Post on 26-Mar-2020
Lumcloon Energy Ltd
WYG Ireland part of the WYG Group creative minds safe hands
www.wyg.com/ireland
Lumcloon Energy Ltd.
Proposed 350 MW Gas Fired Power Plant
EU Habitats Article 6 Appropriate Assessment
WYG
July 2009
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Lumcloon Energy Ltd
WYG Ireland part of the WYG Group creative minds safe hands
www.wyg.com/ireland
REPORT CONTROL
Document: Appropriate Assessment for the Proposed Power Plant at Lumcloon
Project: Lumcloon AA
Client: Lumcloon Energy Ltd.
Job Number: CE07335
File Origin:
Document Checking:
Primary Author Joanne Allen-Hamilton Initialled:
Contributor Teri Hayes Initialled:
Review By Teri Hayes Initialled:
Issue Date Status Checked for Issue
1 09.07.09 DRAFT Teri Hayes
2 27.07.09 FINAL Colm Staunton
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Contents
1.0 INTRODUCTION..................................................................................................................1
1.1 LEGISLATION ............................................................................................................1
1.2 STAGES OF AN APPROPRIATE ASSESSMENT ...............................................................2
1.3 PROJECT BACKGROUND.............................................................................................2
1.4 METHODOLOGY.........................................................................................................4
2.0 STAGE 1: SCREENING MATRIX ............................................................................................5
3.0 REFERENCES AND BIBLIOGRAPHY .....................................................................................15
Appendices Appendix A - Site Location Map Appendix B - NPWS Site Synopsis
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Lumcloon Power Plant: Appropriate Assessment CE07335 July 09
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1.0 INTRODUCTION
This Article 6 Assessment, as described under the Habitats Directive (92/43/EEC), has been produced by
WYG Environmental Ltd for a proposed 350MW Gas Fired Power Plant at Lumcloon, Co. Offaly on behalf of
Lumcloon Energy Ltd.
At the outset of the project, it was agreed that a full Environmental Impact Statement (EIS) would be
required in support of the planning application for the development of the site. As part of the EIS scoping
process the need for an Article 6 Appropriate Assessment as per the Habitats Directive (1992) was
communicated by the National Parks and Wildlife Service. The aim of the Article 6 Appropriate Assessment
is to highlight any likely adverse impacts from the proposed development on any Natura 2000 sites. Natura
2000 sites includes both Special Areas of Conservation (SAC’s) and Special Protection Areas (SPA’s).
1.1 LEGISLATION
The purpose of an Appropriate Assessment is to assess potential adverse impacts on Natura 2000 sites.
This includes designated sites under both the EU Habitats Directive (Council Directive 92/43/EEC on the
Conservation of Natural Habitats and of Wild Flora and Fauna) and the EU Birds Directive (Council Directive
79/409/EEC on the Conservation of Wild Birds). For this reason designated sites protected under Irish
legislation, including Natural Heritage Areas (NHA’s) are not dealt with in this report.
Articles 6(3) and 6(4) of the EU Habitats Directive (1992) set out the regulatory restrictions on any plans or
projects likely to impact upon Natura 2000 sites. Article 6(3) establishes the requirements for an
appropriate assessment to be undertaken:
Article 6(3)
“Any plan or project not directly connected with or necessary to the management of the site but likely to
have a significant effect thereon, either individually or in combination with other plans or projects, shall be
subject to appropriate assessment of its implications for the site in view of the site's conservation
objectives. In the light of the conclusions of the assessment of the implications for the site and subject to
the provisions of paragraph 4, the competent national authorities shall agree to the plan or project only
after having ascertained that it will not adversely affect the integrity of the site concerned and, if
appropriate, after having obtained the opinion of the general public”.
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1.2 STAGES OF AN APPROPRIATE ASSESSMENT
There are four stages of an Appropriate Assessment outlined in the European Commission Guidance
Document (2001), on which this report is based. These are as follows:
1. Stage One: Screening: This stage identifies an likely impacts upon a Natura 2000 site from a
project or plan, either alone or in combination with other projects or plans, and objectively
considers whether these impacts are likely to be significant.
2. Stage Two: Appropriate assessment: During this stage an assessment of the impact of the
project or plan, either alone or in combination with other plans or projects on the integrity of the
Natura 2000 sites is made.
3. Stage Three: Assessment of alternative solutions: this stage of the process examines
alternative ways of achieving the objectives of the project or plan that avoid adverse impacts on
the integrity of the Natura 2000 site.
4. Stage Four: Assessment where no alternative solutions exist and where adverse
impacts remain: This stage is undertaken where the plan or project should proceed for reasons of
overriding public interest and the compensatory measures are assessed to ascertain their
effectiveness in offsetting any adverse impacts of the plan or project.
1.3 PROJECT BACKGROUND
The c.11 acre development site is located in the townland of Lumcloon, approximately 8km south of
Ferbance and 30km south of Athlone and 20km west of Tullamore. The proposed development site is a
brown field site situated within the northern end of a former peat burning power station. The location map
shown in Appendix A also highlights the proximity of Natura 2000 sites. The site is situated within the
Shannon River Basin District with the Silver River located adjacent to the eastern boundary of the site which
flows north where it joins the Brosna River which joins the Shannon River approximately 13km
downstream. The site is surrounded by a mix of agricultural land, large parcels of cutaway bog and conifer
plantations.
The development is proposed on the site of the former ESBI 80MW milled peat fired power plant, which
was built in 1957 and closed in 2000. The station was subsequently decommissioned and in 2003 the
station buildings were demolished.
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Lumcloon Energy proposes to apply for planning permission for a 350MW comprising of two combined cycle
gas turbines (CCGT’s) sharing one steam turbine and one 100MW simple gas turbine. Natural gas supplied
by an Bord Gáis will be the main fuel for the plant. The electrical power generated will be exported from
the substation to the national grid. Once the facility is operation it is anticipated that 30 day and shift
workers will be employed onsite. The facility will comprise the following components:
• Gas Turbine Generator (GTG)
• Heat Recovery Steam Generator with exhaust stack (HRSG)
• Steam Turbine Generator (STG)
• Diesel storage tank – back up fuel
• Water treatment plant -demineralisation plant
• Chemical storage tanks – sulphuric acid and sodium hydroxide
• Water storage facilities
• Process waste water treatment system
• Surface water treatment system
• Foul water treatment system
• Air Cooled Condenser (ACC)
• Above Ground Gas Installation (AGI) and associated piping
• Transformers
• High Voltage Electrical Switchgear
• Switchyard
• Fire protection system
• 220 kV substation
• Building structures to house main plant as listed above
• Workshop / stores building
• Administration / control building
• Internal and access roads and parking
Wastewater from Proposed Development consists of the demineralisation plant and wastewater generated
from boiler blow-down. Wastewater from the demineralisation plant comprises water containing the salts
removed from the raw water or neutralised backwash of the resins from the demineralisation process.
Boiler blow-down comprises water which has been circulating in the water/steam cycle. Process wastewater
will be continuously generated from the plant while in combined cycle operation mode. There is little
wastewater generated while in open cycle mode. Typical normal wastewater volumes generated is
approximately 96m3 per day.
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Steam generated in the HRSGs is used to drive the steam turbine generators. The steam is then condensed
back to water via the air cooled condensers for reuse in the process. Therefore no cooling waters will be
discharged. Process effluents from the plant will be routed via the on-site process wastewater treatment
plant to effluent drainage system. The Process wastewater treatment plant will comprises a below ground
concrete structure containing a number of chambers which will allow agitating, pH and temperature
correction.
Continuous monitoring will be undertaken in the final chamber for dissolved oxygen, pH, conductivity and
temperature. Treated process wastewater will then be discharged via the wastewater collection system to
the Silver River via the discharge point located in the north eastern corner of the site. Water for the plant
will be abstracted from groundwater at approximately 96m3/day and assessment of the sustainable yield
showed that drawdown is localised. Abstraction is not deemed not to have a negative impact upon the
Shannon River Callows Natura 2000 sites and Ferbane and Moyclare SAC’s as they are well outside the zone
of influence of the abstraction. Further information on the proposed development and the plant's process
effluent streams and treatments can be found in Chapter 2 of the EIS – Description of Proposed
Development.
1.4 METHODOLOGY
This assessment was reported using the templates provided in ‘Assessment of plans and projects
significantly affecting Natura 2000 sites’, European Union (2001). This report covers only Stage One of the
Appropriate Assessment.
A range of statutory and non-statutory bodies were consulted with during the preparation of the
Environmental Impact Statement. No bodies with the exception of the National Parks and Wildlife Service
who originally requested the Screening Stage of an Appropriate Assessment be undertaken, have been
consulted with during the Appropriate Assessment process to date.
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2.0 STAGE 1: SCREENING MATRIX
Note: as outlined in the guidelines, the impact of the development without appropriate mitigation measures
is considered in Stage 1 in view of the Precautionary Principle.
Screening Matrix
Brief description of the plan
or project
The proposed development site is located in the townland of
Lumcloon, approximately 8km south of Ferbance and 30km south of
Athlone and 20km west of Tullamore and is c.11 in size.
The site is approximately 16km upstream from the River Shannon
Callows SAC and Middle Shannon Callows SPA. The site is also
located approximately 6km south east from Ferbane Bog SAC and
7km south east of Moyclare bog.
The proposed development comprises a 350MW two combined cycle
gas turbines (CCGT’s) sharing one steam turbine and one 100MW
simple gas turbine. Natural gas will be supplied by Bord Gáis, the
main fuel for the plant. The electrical power generated will be
exported from the substation to the national grid. Once the facility
is operation it is anticipated that 30 day and shift workers will be
employed onsite. Water will be abstracted from the groundwater
and waste water will be processed in line with EPA requirements
and discharged to the Silver River.
Brief description of the Natura
2000 site
(extracted from site synopsis)
(Qualifying interests sourced
NPWS, 2008)
MOYCLARE BOG: 000581
Moyclare Bog is a small raised bog situated 4 km west of Ferbane -
its mean height above sea level is 54 m. On the western edge of the
bog, a low peatface with no perimeter drain lies adjacent to wet
peaty pasture, which has a spring-line at its junction with mineral
soil. The water from this spring disappears under the peat dome of
the bog.
Deleted: of
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Much of the bog surface is very wet, though not quaking, with an
almost 100% cover of bog mosses beneath a sparse cover of
Heather and abundant Deergrass. Active bog moss growth
approaches unusually close to the western margin of the bog, where
some trees of Scots Pine occur. A small flushed hollow on the dome
of the bog contains Soft Rush and the moss Sphagnum cuspidatum.
The bog becomes drier towards the northern boundary, especially
north of an old track which traverses the dome.
Fir Clubmoss (Huperzia selago), the rare Brown Beaked-sedge
(Rhynchospora fusca) and the liverwort (Pleurozia purpurea) occur
on the bog. Moyclare Bog has a largely intact and relatively wet
dome with a uniformly active cover of bog mosses. It is a bog of
good quality in an area where large scale harvesting of peat is on-
going, and where only small bogs remain - most of those
aredegraded and dry. As actively growing raised bogs are a rare
habitat throughout Europe, those found in Ireland have a particular
scientific and conservation value.
Qualifying interests of the SAC:
• Active raised bogs (7110)
• Degraded raised bogs still capable of natural regeneration
(7120)
• Depressions on peat substrates of the Rhynchosporion
(7150)
FERBANE BOG: 000575
Ferbane Bog is a relatively large, domed, raised bog located about
10 km east of Shannonbridge. It is underlain by low permeability
Waulsortian limestone and clayrich tills. Much of the surface of the
bog is very wet and spongy and the cover of Bog Mosses and
lichens is generally good. A wet quaking area to the east occurs in a
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depression while another very wet quaking area on the western side
of the site has well-developed inter-connecting pools. A flushed area
occurs on the northern part of the site. Raised bogs, due to the high
water content of peat are vulnerable to activities which increase
water loss. Drainage is extensive at the site and has caused
significant drying out. Past peat-cutting and some active peat-
cutting have also speeded up water loss. However, although the
high bog has suffered some water loss, it is still in restorable
condition.
Ferbane Bog is a good example of a raised bog of a particular
topographical type and is of considerable conservation significance.
Raised bogs are becoming increasingly rare in Ireland and Europe
and are listed as a priority habitat on Annex I of the EU Habitats
Directive.
Qualifying interests of the SAC:
• Active raised bogs (7110)
• Degraded raised bogs still capable of natural regeneration
(7120)
• Depressions on peat substrates of the Rhynchosporion
(7150)
RIVER SHANNON CALLOWS: 000216
The Shannon Callows has by far the largest area of lowland semi-
natural grassland and associated aquatic habitats in Ireland and one
in which there is least disturbance of natural wetland processes.
Botanically, it is extremely diverse with two legally protected species
of plants and many scarce species. Excellent examples of two
habitats listed on Annex I of the EU Habitats Directive occur within
the site – Molinia meadows and lowland hay meadows with good
examples of a further two Annex habitats (both with priority status).
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In winter the site is internationally important for numbers and
species of waterfowl. In spring it feeds large numbers of birds on
migration. And in summer it holds very large numbers of breeding
waders, rare breeding birds and the endangered Corncrake, as well
as a very wide variety of more common grassland and wetland
birds. The presence of Otter, an Annex II species, adds further
importance to the site.
Qualifying interests of the SAC:
• Lowland hay meadows (Alopecurus pratensis, Sanguisorba officinalis) (6510)
• Molinia meadows on calcareous, peaty or clavey-silt-laden soils (Molinion caeruleae) (6410)
• Alluvial forests with Alnus glutinosa and Fraxinus excelsior (Alno-Padion, Alnion incanae, Salicion albae) (91E0)
• Limestone pavements (8240)
• Otter Lutra lutra (1355)
MIDDLE SHANNON CALLOWS: 004096
The Shannon Callows has by far the largest area of lowland semi-
natural grassland and associated aquatic habitats in Ireland and one
in which there is least disturbance of natural wetland processes.
Botanically, it is extremely diverse. In winter the site is
internationally important for the total numbers of birds (regularly
exceed 20,000) and for Whooper Swan in particular. It also holds
nationally important populations of a further five species. Some of
the wintering species are listed on Annex I of the EU Birds Directive,
including Whooper Swan, Greenland White-fronted Goose and
Golden Plover. In summer the site supports important populations of
breeding waders. Perhaps the most important species which occurs
in the site is Corncrake (the site holds 40% of the national total), as
this is listed on Annex I of the EU Birds Directive and is Ireland’s
only globally endangered species.
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A full Site Synopsis for each site can be found in Appendix B.
Assessment Criteria
Describe the individual
elements of the project
(either alone or in
combination with other plans
or projects) likely to give rise
to impacts on the Natura
2000 site
Note: This assessment
assumes mitigation
measures are not in
operation
During Construction
• Untreated surface water run-off from the development site
which would enter the drainage ditch leading into the Silver
River and eventually the Shannon River. This would result in a
release of suspended solids and hydrocarbons which has the
potential if unmitigated to impact on water quality within the
Shannon River system.
Post Construction
• Discharge of foul waste water to the Silver River not treated to
acceptable EPA standards.
• Discharge of storm waste water to the Silver River not treated
to acceptable EPA standards.
• Discharge of pprocessed waste water to the Silver River not
treated to acceptable EPA standards.
• Accidental spillage/leak from the power plant and associated
works into the ground or surface water.
• Air emissions over EU Directive Limits resulting in chemical
deposition in the surrounding landscape.
Cumulative elements
Other known developments and their potential cumulative effects
are described below.
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• One off housing
Reduction in water quality due to increased pressure on
groundwater resources due to applications for one of housing in
the surrounding countryside.
Describe any likely direct,
indirect or secondary impacts
of the project (either alone or
in combination with other
plans or projects) on the
Natura 2000 site by virtue of:
• Size and scale;
• Land-take;
• Distance from Natura
2000 site or key
features of the site;
• Resource requirements
(water abstraction
etc);
• Emission ( disposal to
land, water or air);
• Excavation
requirements;
• Transportation
requirements;
• Duration of
construction,
operation,
Discharge to the Silver River, a tributary of the Shannon River.
As described above, the Silver River confluences with the Brosna
River which joins the Shannon River and Middle Shannon Callows
SAC approximately 13km downstream of the proposed development
site. Any discharge entering the Silver River during either or both
the construction and operation stage of the project will therefore
flow into the Shannon River and has potential to indirectly impact
the Middle Shannon Callows SAC qualifying interests.
Emission summary
Air emissions by nature have potential to be deposited within the
surrounding landscape and therefore have potential to be deposited
on Moyclare Bog SAC, Ferbane Bog SAC, Shannon Callows SAC and
Middle Shannon Callows SPA. Owing to the hydrogeology and
hydrology relationship of these systems, potential exists to alter the
chemical composition of these rain and groundwater fed systems.
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decommissioning etc;
• Other.
Describe any likely changes to
the site arising as a result of :
• Reduction of habitat area:
• Disturbance to key species;
• Habitat or species
fragmentation;
• Reduction in species
density;
• Changes in key indicators
of conservation value
(water quality etc).
The proposed development is not anticipated to have a direct
negative impact resulting in:
• Reduction of habitat area:
• Disturbance to key species;
• Habitat or species fragmentation;
• Reduction in species density;
Potential however does exist for ‘change in key indicators of
conservation value’ if discharges from the power plant are not
mitigated and discharge directly into the Silver River system,
upstream of the Shannon River Callows SAC and SPA.
3 separate water systems will discharge into the Silver River. These
consist of the;
Foul Waste Water Proprietary Treatment System will
ultimately discharge into the drainage ditch at the north of the site
which enters the Silver River. An Assimilative Capacity Calculation
was undertaken considering the highest potential discharge rate of
250m3/day, BOD5, Ammonia, Suspended Solids and Orthophosphate
concentrations were analysed and it was concluded that the impact
from discharges on water quality would be negligible.
Storm Water Drainage System which incorporates an oil/water
interceptor and attenuation tank before water is discharged into the
Silver River.
Processed Waste Water Treatment Works which receives
waste from waste water demineralisation plant (produces acidic and
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alkaline effluent adjusted to neutral pH prior to delivery to process
WWTP, boiler blow down tank, gas turbine compressor cleaning
solution and a temper filled system which contains temper agent
based on salts therefore biodegradable. The waste from the WWTP
will be agitated, pH neutralised, demineralised and temperature
corrected before discharging to the Silver River. As a result there
would be no discernable impact on water quality and temperature
variation will be less than one degree Celsius.
The quality of the discharge will comply with Integrated Pollution
Prevention and Control Licence (IPPC) issued by the EPA.
Potential also exists for alteration of the surrounding SAC’s from air
emissions. Chapter 11 of the EIS evaluates the emissions and
concludes that Nitrogen Oxides (NOx) emissions from the power
plant are expected to be ~11% of the annual mean limit value for
the protection of vegetation. At Moyclare Bog and Ferbane Bog
SAC’s, approximately 7km to the north east of the proposed
development site, the ambient annual mean NOx concentrations
directly due to process emissions will be insignificant. Sulphur
Dioxide (SO2) emissions at Moyclare Bog and Ferbane Bog SAC’s
concentrations directly due to process emissions will be insignificant.
Describe any likely impacts on
the Natura 2000 site as a
whole in terms of:
• Interference with the key
relationships that define
the structure of the site;
• Interference with key
relationships that define
the function of the site.
A hydrological study of the proposed development highlighted the
potential for impact on the Silver River water quality if mitigation
measures were not incorporated in the design (13km upstream of
Shannon Callows SAC and SPA) Potential contaminants could include
suspended solids, silt, hydrocarbons during the construction phase
through accidental spillage and surface water runoff. The main
threat during the operation phase to the aquatic system is
inadequately treated waste water from the various stages of the
processing plant, foul and surface run-off which may result in
nutrient enrichment or chemical contamination of the receiving
water body. For this reason stringent standards have been
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incorporated into the proposed development design as described
above.
Machinery working within the aquatic environment at the river bank
has the potential to produce pollutants both directly (from leaking
fuels, oil spills, etc.) and indirectly, as a result of the construction
work (i.e. suspended solids, leached pollutants etc.). Any pollutants
or accidental spills could potentially run untreated into the nearest
water body with serious negative consequences. For this reason
appropriate mitigation measures have been incorporated in the
development design, particularly during the construction phase.
Provide as a result of the
identification of effects set
out above in terms of:
• Loss
• Fragmentation
• Disruption
• Disturbance;
• Change to key elements
of the site (e.g. water
quality etc).
The potential threat to water quality of the Silver River, a tributary
of the Shannon River will not result in the loss, fragmentation,
disruption or disturbance to qualifying interests of the Shannon
Callows SAC or Middle Shannon Callows SPA. Discharge’s from
proposed development if managed incorrectly has potential to
negatively impact upon key elements of the Natura 2000 site’s, that
is water quality upon which the qualifying interests depend directly
and indirectly, mainly through food webs. An alteration in water
quality alters the biotic conditions on which many species depend
including both flora and fauna.
This potential impact is not perceived to be significant following the
implementation of standard practices and mitigation measures and
have been recorded as negligible (following mitigation) in the
hydrology sections of the EIS. Compliance of discharge water
quality with EPA IPPC standards will be continuously monitored
onsite using an automatic sampler positioned at the discharge point.
Describe from the above
those elements of the project
or plan, or combination of
elements, where the above
The main potential impact to the Natura 2000 sites downstream of
the proposed development is a potential reduction in water quality
standards of the receiving water to which treated waste water is
discharged. The assimilative capacity study described in the
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Lumcloon Energy Ltd
WYG Ireland part of the WYG Group creative minds safe hands
Lumcloon Power Plant: Appropriate Assessment CE07335 July 09
14
impacts are likely to be
significant or where the scale
or magnitude of impacts are
not known.
Hydrology Chapter of the EIS considered the highest potential
discharge rate of 250m3/day. Water quality data collected over the
last 10 years at Lumcloon Bridge was utilised in the study. It was
concluded from the results of the study that the potential impact to
water quality is negligible with Total Ammonia, Suspended Solids
and BOD5 concentrations within European Communities (Quality of
Salmonid Waters) Regulations 1988 (S.I. 293/1988). Using a
conservative approach, where Total Phosphorous is assumed to
equate to Orthophosphate, a very slight increase in background
Ortho-phosphate concentration is predicted, resulting from the
addition of effluent. However, it is considered that the slight
increase in phosphorus concentration resulting from the proposed
development will have a negligible impact on the water quality in
the river.
The impact of air emissions on surrounding Natura 2000 sites was
addressed in the air chapter of the EIS (Chapter 11) with the
potential impact form deposition from Nitrogen Oxides (NOx) and
Sulphur Dioxide (SO2) emissions deemed to be insignificant.
To conclude the above potential impacts are likely to result in
negligible or insignificant impacts on the receiving Natura 2000 sites
and their qualifying interests and for this reason Stage two of the
Appropriate Assessment was not initiated as per the European
Commission Guidance Document (2001).
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Lumcloon Power Plant: Appropriate Assessment CE07335 July 09
15
3.0 REFERENCES AND BIBLIOGRAPHY
• DoEHLG, 15th February 2008. Circular Letter SEA 1/08 & NPWS 1/08, Appropriate Assessment of
Land Use Plans. Author: Peter Carvill, Assistant Principal, DoEHLG.
• European Commission, 1979. Council Directive 79/409/EEC on the conservation of wild birds.
European Commission, Brussels.
• European Commission, 1992. Council Directive 92/43/EEC on the conservation of natural habitats
and of wild fauna and flora. (EC Habitats Directive). European Commission, Brussels. Official
Journal no. 206, 27.7.92.
• European Commission, 1999. Interpretation Manual of European Union of Habitats. European
Commission, Brussels.
• European Commission, 2001. Assessment of Plans and Projects Significantly Affecting Natura 2000
sites – Methodological Guidance on the Provisions of Article 6(3) and (4) of the Habitats Directive
92/43/EEC. European Commission, Brussels.
• Irish Government, 1976. The Wildlife Act (S.I. No. 39 of 1976). Dublin.
• Irish Government, 2000. The Wildlife (Amendment) Act, 2000 (S.I. No. 71 of 2001). Dublin.
• WYG, 2008. Draft Environmental Impact Statement at Hazelwood on behalf of Forest haze
Developments Ltd., Co. Sligo.
Websites consulted
• National Parks and Wildlife, Department of the Environment Heritage and Local Government
http://www.npws.ie
• Offaly County Council, Planning Webpage.
http://www.offaly.ie
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Lumcloon Energy Ltd
WYG Ireland part of the WYG Group creative minds safe hands
Hazelwood: Appropriate Assessment
CE06705 08.12.08
Appendix A
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Clara Bog
Grand Canal
Lough Coura
Mongan Bog
River Shannon Callows
Ferbane Bog
Moyclare Bog
River Shannon Callows
Woodville Woods
Clonlyon Glebe Bog
Clonydonnin Bog NHA
Lough Boora
Killeen Bog NHACamcor WoodDerrykeel Meadows
All Saints Bog And Esker
Kilcormac Esker
Clonaslee Eskers And Derry Bog
0 1,500 3,000 4,500 6,000750
Meters
Site Location
Note: Base Map Copyright Ordnance Survey Ireland and Government of Ireland Reproduced under licence, number EN 0004909
Legend10km Buffer Zone
NHA Natural Heritage Areas
SAC Special Areas of Conservation
SPA Special Protection Areas
© WYG
Drawn By: Igor Wodyk - ArcMap 9.3 WYG IrelandAppendix A
Job Number:CE07335
Finalised by: JH
Date: June 2009
Office: 1404
Site Location MapLumcloon Energy Ltd.
1:110,000
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Lumcloon Energy Ltd
WYG Ireland part of the WYG Group creative minds safe hands
Hazelwood: Appropriate Assessment
CE06705 08.12.08
Appendix B
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SITE SYNOPSIS
SITE NAME: FERBANE BOG
SITE CODE: 000575
Ferbane Bog is a relatively large, domed, raised bog located about 10 km east of
Shannonbridge. It is underlain by low permeability Waulsortian limestone and clay-
rich tills.
Much of the surface of the bog is very wet and spongy and the cover of Bog Mosses
(Sphagnum spp.) and lichens is generally good. A wet quaking area to the east occurs
in a depression and is characterised by a dominant growth of Hare's-tail Cottongrass
(Eriophorum vaginatum), while another very wet quaking area on the western side of
the site has well-developed inter-connecting pools. Around these wet areas is found a
slightly drier area with lawns of Sphagnum magellanicum and hummocks of S.
papillosum, S. capillifolium and S. imbricatum. Carnation Sedge (Carex panicea) is
present in abundance throughout the site, but particularly so on sloping areas. Purple
Moor-grass (Molinia caerulea) and Bog-myrtle (Myrica gale) occur in scattered
patches throughout the bog. Bog-rosemary (Andromeda polifolia) and Cranberry
(Vaccinum oxycoccos) are also found. A flushed area occurs on the northern part of
the site.
Scots Pine (Pinus sylvestris) and Birch (Betula sp.) trees have encroached onto the
high bog in the north, south, east and north-west. In the north and south these extend
approximately 300 m into the site. An areas of mixed woodland is included in the site
for hydrological reasons.
The vegetation of the older cutaway areas to the west, north and east of the site is
dominated by Birch and Gorse (Ulex europaeus), with areas of Bracken (Pteridium
aquilinum), Willow (Salix sp.), Bilberry (Vaccinium myrtillus), Scots Pine and
Rhododendron (Rhododendron ponticum) also found.
Raised bogs, due to the high water content of peat are vulnerable to activities which
increase water loss. Drainage is extensive at the site and has caused significant drying
out. Past peat-cutting and some active peat-cutting have also speeded up water loss.
However, although the high bog has suffered some water loss, it is still in restorable
condition.
Ferbane Bog is a good example of a raised bog of a particular topographical type and
is of considerable conservation significance. Raised bogs are becoming increasingly
rare in Ireland and Europe and are listed as a priority habitat on Annex I of the EU
Habitats Directive.
4.2.1997
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SITE SYNOPSIS
SITE NAME: MOYCLARE BOG
SITE CODE: 000581
Moyclare Bog is a small raised bog situated 4 km west of Ferbane - its mean height
above sea level is 54 m. On the western edge of the bog, a low peatface with no
perimeter drain lies adjacent to wet peaty pasture, which has a spring-line at its
junction with mineral soil. The water from this spring disappears under the peat dome
of the bog.
Much of the bog surface is very wet, though not quaking, with an almost 100% cover
of bog mosses (Sphagnum spp.) beneath a sparse cover of Heather (Calluna vulgaris)
and abundant Deergrass (Scirpus cespitosus). Cranberry (Vaccinium oxyccocos) is
especially abundant on lawns of the moss Sphagnum magellanicum.
Numerous small pools, mostly filled with the moss Sphagnum cuspidatum are present.
Active bog moss growth approaches unusually close to the western margin of the bog,
where some trees of Scots Pine (Pinus sylvestris) occur.
A small flushed hollow on the dome of the bog contains Soft Rush (Juncus effusus)
and the moss Sphagnum cuspidatum. The bog becomes drier towards the northern
boundary, especially north of an old track which traverses the dome.
Fir Clubmoss (Huperzia selago), the rare Brown Beaked-sedge (Rhynchospora fusca)
and the liverwort (Pleurozia purpurea) occur on the bog.
Moyclare Bog has a largely intact and relatively wet dome with a uniformly active
cover of bog mosses. It is a bog of good quality in an area where large scale
harvesting of peat is on-going, and where only small bogs remain - most of those are
degraded and dry. As actively growing raised bogs are a rare habitat throughout
Europe, those found in Ireland have a particular scientific and conservation value.
10.1.1997
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SITE SYNOPSIS
SITE NAME: RIVER SHANNON CALLOWS
SITE CODE: 000216
The River Shannon Callows is a long and diverse site which consists of seasonally
flooded, semi-natural, lowland wet grassland, along and beside the river between the
towns of Athlone and Portumna. It is approximately 50 km long and averages about
0.75 km wide (reaching 1.5 km wide in places). Along most of its length the site is
bordered by raised bogs - many, but not all, in the process of large-scale harvesting -
esker ridges and limestone-bedrock hills. The soils grade from silty-alluvial to peat.
This site has a common boundary, and is closely associated, with two other sites of
similar habitats, River Suck Callows and Little Brosna Callows.
The River Shannon Callows is mainly composed of lowland wet grassland. Different
plant communities occur, depending on elevation, and therefore their flooding
patterns. Two habitats listed on Annex I of the EU Habitats Directive are well
represented within the site – Molinia meadows and lowland hay meadows. The
former is characterised by the presence of the Meadow Thistle (Cirsium dissectum)
and Purple Moor-grass (Molinia caerulea), while typical species in the latter include
Meadow Fescue (Festuca pratensis), Rough Meadow-grass (Poa trivialis), Downy
Oat-grass (Avenula pubescens), Common Knapweed (Centaurea nigra), Ribwort
Plantain (Plantago lanceolata) and Common Sorrel (Rumex acetosa). In places these
two habitats grade into one another.
Low-lying areas of the callows with more prolonged flooding are characterised by
Floating Sweet-grass (Glyceria fluitans), Marsh Foxtail (Alopecurus geniculatus) and
wetland herbs such as Yellow Cress (Rorippa spp.), Water Forget-me-not (Myosotis
scorpioides) and Common Spike-rush (Eleocharis palustris). Most of the callows
consist of a plant community characterised by Creeping Bent (Agrostis stolonifera),
Brown Sedge (Carex disticha), Common Sedge (Carex nigra), and herbs such as
Marsh Marigold (Caltha palustris) and Marsh Bedstraw (Galium palustre). While the
more elevated and peaty areas are characterised by low-growing sedges, particularly
Yellow Sedge (Carex flava agg.) and Star Sedge (Carex echinata). All these
communities are very diverse in their total number of plant species, and include the
scarce species Meadow-rue (Thalictrum flavum), Summer Snowflake (Leucojum
aestivum), and Marsh Stitchwort (Stellaria palustris).
Two further Annex I habitats, both listed with priority status, have a minor though
important presence within the site. Alluvial forest occurs on a series of alluvial islands
just below the ESB weir near Meelick. Several of the islands are dominated by well
grown woodland of mainly Ash (Fraxinus excelsior) and Willows (Salix spp.). The
islands are prone to regular flooding from the river.
At Clorhane, an area of limestone pavement represents the only known example in Co
Offaly. It is predominantly colonised by mature hazel woodland, with areas of open
limestone and calcareous grassland interspersed. The open limestone pavement
comprises bare or moss covered rock or rock with a very thin calcareous soil cover
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supporting a short grassy turf. The most notable plant in the grassy area is a
substantial population of Green-winged Orchid (Orchis morio), which occurs with
such species as Sweet Vernal-grass (Anthoxanthum odoratum), Quaking Grass (Briza
media), sedges (Carex caryophyllea, C. flacca), Common Bird’s-foot-trefoil (Lotus
corniculatus), Common Knapweed (Centaurea nigra), and Narrow-leaved Plantain
(Plantago lanceolata). Ferns associated with the cracks in the paving include
Asplenium trichomanes, A. ruta-muraria, A. adiantum-nigrum, Polypodium australe.
Bryophytes include Grimmia apocarpa and Orthotrichum cf. anomalum. Anthills are
common within the open grassland. The Hazel wood is well-developed and has
herbaceous species such as Primrose (Primula vulgaris), Common Dog-violet (Viola
riviniana), Wood Sorrel (Oxalis acetosella) and Herb Robert (Geranium
robertianum). The wood is noted for its luxuriant growth of epiphytic mosses and
liverworts, with such species as Neckera crispa and Hylocomium brevirostre. Yew
(Taxus baccata) occurs at one area.
Other habitats of smaller area but equal importance within the site are lowland dry
grassland, drainage ditches, freshwater marshes and reedbeds. The dry grassland
areas, especially where they exist within hay meadows, are species-rich, and of two
main types: calcareous grassland on glacial material, and dry grassland on levees of
river alluvium. The former can contain many Orchid species, Cowslip (Primula
veris), abundant Adder's-tongue Fern (Ophioglossum vulgatum) and Spring-sedge
(Carex caryophyllea), and both contain an unusually wide variety of grasses,
including False Oatgrass (Arrhenatherum elatius), Yellow Oatgrass (Trisetum
flavescens), Meadow Foxtail (Alopecurus pratense), and Meadow Brome (Bromus
commutatus). In places Summer Snowflake also occurs.
Good quality habitats on the edge of the callows included in the site are wet broad-
leaved semi-natural woodland dominated by both Birch (Betula pubescens) and Alder
(Alnus glutinosa) and dry broad-leaved woodland dominated by Hazel (Corylus
avellana). There are also areas of raised bog, fen on old cut-away bog with Black
Bog-rush (Schoenus nigricans), and a 'petrifying stream' with associated species-rich
calcareous flush which supports Yellow Sedge (Carex lepidocarpa), Blunt-flowered
Rush (Juncus subnodulosus) and Stoneworts (Chara spp.).
Two legally-protected plant species (Flora (Protection) Order 1999) occur in the site:
Opposite-leaved Pondweed (Groenlandia densa) in drainage ditches, and Meadow
Barley (Hordeum secalinum) on dry alluvial grassland. This is one of only two known
inland sites for the Meadow Barley in Ireland. The Red Data Book plant Green-
winged Orchid (Orchis morio) is known from dry calcareous grasslands within the
site, while the site also supports a healthy population of Marsh Pea (Lathyrus
palustris).
The site is of International Importance for wintering waterfowl as numbers regularly
exceed the 20,000 threshold (mean of 34985 for 5 winters 1994/94-1998/99). Of
particular note is an Internationally Important population of Whooper Swans (287).
A further five species have populations of national importance (all figures are means
for 5 winters 1995/96-1999/00): Mute Swan (349), Wigeon (2972), Golden Plover
(4254), Lapwing (11578) and Black-tailed Godwit (388). Species which occur in
numbers of regional or local importance include Bewick’s Swan, Tufted Duck,
Dunlin, Curlew and Redshank. The population of Dunlin is notable as it is one of the
few regular inland flocks in Ireland. Small flocks of Greenland White-fronted Goose
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use the Shannon Callows; these are generally associated with larger flocks which
occur on the adjacent Little Brosna Callows and River Suck Callows.
Shoveler (an estimated 12 pairs in 1987) and Black-tailed Godwit (Icelandic race)
(one or two pairs in 1987) breed within this site. These species are listed in the Red
Data Book as being threatened in Ireland. The scarce bird Quail is also known to
breed within the area. The Callows continues to hold over 40% of the Irish population
of the globally endangered Corncrake, although numbers have declined in recent
years. A total of 66 calling birds were recorded in 1999. The total population of
breeding waders (Lapwing, Redshank, Snipe and Curlew) in 1987 was one of three
major concentrations in Ireland and Britain. The breeding Redshank, numbers was
estimated at 10% of the Irish population, making it Nationally significant. Also, the
Annex I species Merlin and Hen Harrier are regularly reported hunting over the
callows during the breeding season and in autumn and winter.
This site holds a population of Otter, a species listed on Annex II of the EU Habitats
Directive, while the Irish Hare, which is listed in the Irish Red Data Book, is a
common sight on the callows.
The Shannon Callows are used for summer dry-stock grazing (mostly cattle, with
some sheep and a few horses), and permanent hay meadow. About 30 ha is a nature
reserve owned by voluntary conservation bodies. The River Shannon is used
increasingly for recreational purposes with coarse angling and boating accounting for
much of the visitor numbers. Intermittent and scattered damage to the habitats has
occurred due to over-deepening of drains and peat silt deposition, water-skiing,
ploughing and neglect of hay meadow (or reversion to pasture). However, none of
these can as of yet be said to be serious. Threats to the quality of the site may come
from the siting of boating marinas in areas away from centres of population, fertilising
of botanically-rich fields, the use of herbicides, reversion of hay meadow to pasture,
neglect of pasture and hay meadow, disturbance of birds by boaters, anglers,
birdwatchers and the general tourist. The maintenance of generally high water levels
in winter and spring benefits all aspects of the flora and fauna, but in this regard,
summer flooding is a threat to breeding birds, and may cause neglect of farming.
The Shannon Callows has by far the largest area of lowland semi-natural grassland
and associated aquatic habitats in Ireland and one in which there is least disturbance
of natural wetland processes. Botanically, it is extremely diverse with two legally
protected species of plants and many scarce species. Excellent examples of two
habitats listed on Annex I of the EU Habitats Directive occur within the site – Molinia
meadows and lowland hay meadows with good examples of a further two Annex
habitats (both with priority status). In winter the site is internationally important for
numbers and species of waterfowl. In spring it feeds large numbers of birds on
migration. And in summer it holds very large numbers of breeding waders, rare
breeding birds and the endangered Corncrake, as well as a very wide variety of more
common grassland and wetland birds. The presence of Otter, an Annex II species,
adds further importance to the site.
22.10.2003
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SITE SYNOPSIS
SITE NAME: MIDDLE SHANNON CALLOWS SPA
SITE CODE: 004096
The Middle Shannon Callows SPA is a long and diverse site which extends for
approximately 50 km from the town of Athlone (at southern point of Lough Ree) to
the town of Portumna (northern point of Lough Derg). The site averages about 0.75
km in width though in places is up to 1.5 km wide. Water levels on the site are greatly
influenced by the very small fall between Athlone and Portumna and by the weir at
Meelick. The Shannon Callows has a common boundary with two other sites of
similar habitats, the River Suck Callows and the Little Brosna Callows, both of which
are also Special Protection Areas.
The site has extensive areas of callow, or seasonally flooded, semi-natural, lowland
wet grassland, along both sides of the river. The callows are mainly too soft for
intensive farming but are used for hay or silage or for summer grazing. Other habitats
of smaller area which occur alongside the river include lowland dry grassland,
freshwater marshes, reedbeds and wet woodland. Along most of its length the site is
bordered by raised bogs, now mostly exploited for peat, esker ridges and limestone-
bedrock hills. The diversity of semi-natural habitats and the sheer size of the site
attracts an excellent diversity of bird species and significant populations of several
species.
The composition of the lowland wet grassland varies, depending on elevation and
flooding patterns. Two habitats listed on Annex I of the EU Habitats Directive are
well represented within the site – Molinia meadows and lowland hay meadows. The
former is characterised by the presence of the Meadow Thistle (Cirsium dissectum)
and Purple Moor-grass (Molinia caerulea), while typical species in the latter include
Meadow Fescue (Festuca pratensis), Rough Meadow-grass (Poa trivialis), Downy
Oat-grass (Avenula pubescens) and Common Sorrel (Rumex acetosa). In places these
two habitats grade into one another.
Low-lying areas of the callows with more prolonged flooding are characterised by
Floating Sweet-grass (Glyceria fluitans), Marsh Foxtail (Alopecurus geniculatus) and
wetland herbs such as Yellow Cress (Rorippa spp.), Water Forget-me-not (Myosotis
scorpioides) and Common Spike-rush (Eleocharis palustris). Most of the callows,
however, consist of a plant community characterised by Creeping Bent (Agrostis
stolonifera), Brown Sedge (Carex disticha), Common Sedge (Carex nigra), and herbs
such as Marsh Marigold (Caltha palustris) and Marsh Bedstraw (Galium palustre).
Scarce plant species associated with the grassland include Meadow-rue (Thalictrum
flavum), Summer Snowflake (Leucojum aestivum) and Marsh Stitchwort (Stellaria
palustris).
The dry grassland areas, especially where they exist within hay meadows, are species-
rich, and can contain many orchid species and such species as Cowslip (Primula
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veris), Adder's-tongue Fern (Ophioglossum vulgatum) and Spring-sedge (Carex
caryophyllea), as well as an unusually wide variety of grasses. In places along the
edge of the callows there occurs wet broad-leaved woodland dominated by both Birch
(Betula pubescens) and Alder (Alnus glutinosa) and dry broad-leaved woodland
dominated by Hazel (Corylus avellana). There are also areas of raised bog and fen on
old cut-away bog with species such as Black Bog-rush (Schoenus nigricans).
Two legally-protected plant species (Flora (Protection) Order 1999) occur in the site:
Opposite-leaved Pondweed (Groenlandia densa) in drainage ditches, and Meadow
Barley (Hordeum secalinum) on dry alluvial grassland. The Red Data Book plant
Green-winged Orchid (Orchis morio) is known from dry calcareous grasslands within
the site, while the site also supports a healthy population of Marsh Pea (Lathyrus
palustris).
The Middle Shannon Callows qualifies as a site of International Importance for
wintering waterfowl both on the total numbers regularly exceeding 20,000 birds (for
example 27,581 in winter 1998/99) and for the Whooper Swan population (287 –
average peak count 1995/96-1999/00). Whooper Swan is listed on Annex I of the EU
Birds Directive. Five further species occur in numbers of national importance (all
figures are average peaks for winters 1995/96-1999/00) - Mute Swan 349, Wigeon
2,972, Golden Plover (listed on Annex I of the EU Birds Directive) 4,254, Lapwing
11,578 and Black-tailed Godwit 388. For some of these species, peak counts in the
period have been considerably higher than the averages, such as 1,096 Black-tailed
Godwits and 23,839 Lapwings. The importance of the site for species like Black-
tailed Godwit and Whimbrel may have been underestimated if count coverage missed
the brief spring peaks for these species. A wide range of other species occur in
numbers of regional or local importance, including Bewick’s Swan (listed on Annex I
of the EU Birds Directive) 7, Teal 77, Tufted Duck 33, Dunlin 369, Curlew 129,
Redshank 31 and Black-headed Gull 1,061. Small numbers of Greenland White-
fronted Goose (listed on Annex I of the EU Birds Directive) use the Shannon Callows
(average 21, peak 55) and these are generally associated with larger flocks which
occur on the adjacent Little Brosna Callows and River Suck Callows. The callow
grasslands provide optimum feeding grounds for these various species of waterfowl,
while many of the birds also roost or rest within the site.
The site is also of national importance for breeding waterfowl. The total population
of breeding waders (Lapwing, Redshank, Snipe and Curlew) on the Shannon and
Little Brosna Callows in 1987 was one of three major concentrations in Ireland and
Britain. Since then, however, numbers of at least Lapwing and Redshank have shown
serious declines (a full survey of the callows is being carried out in 2002). For
example, at a monitoring site at the callows at Shannon Harbour, numbers of Lapwing
fell from 29 to 10 pairs and Redshank from 26 to 10 pairs between 1987 and 1994.
Black-tailed Godwit, a very rare breeding species in Ireland, nests or attempts to nest
in small numbers each year within the site. A further scarce breeding species,
Shoveler, also nests in small numbers each year (an estimated 12 pairs in 1987).
The Shannon Callows continues to hold approximately 40% of the Irish population of
Corncrake, a species of global conservation concern that is also listed on Annex I of
the EU Birds Directive. Between 1997 and 2001, the average number of calling birds
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was 60, with a peak of 69. BirdWatch Ireland, in association with Dúchas and the
RSPB, operate a grant scheme to encourage farming practices that favour the
Corncrake and this has probably been responsible for the stabilisation of numbers in
recent years. A related scarce species, the Quail, is also known to breed within the
callow grasslands.
A good variety of other bird species are attracted to this site. Birds of prey, including
scarce species such as Merlin (listed on Annex I of the EU Birds Directive) and
wintering Hen Harrier (listed on Annex I of the EU Birds Directive), are regularly
reported hunting over the callows. A range of passerine species associated with
grassland and swamp vegetation breed, including Sedge Warbler, Grasshopper
Warbler, Skylark and Reed Bunting. Kingfisher (listed on Annex I of the EU Birds
Directive is also regularly seen within the site. Whinchat, an uncommon breeding
species, occur in small numbers.
The wintering waterfowl within the Shannon Callows are difficult to monitor due to
the size and inaccessibility of large parts of the site. In each winter there is usually
one complete aerial census, as well as partial land-based counts. The population of
Corncrake within the site is monitored each year and research is carried out on various
aspects of the species’ ecology. The breeding waders are also surveyed at intervals.
About 30 ha of the callows is a nature reserve owned by voluntary conservation
bodies.
The Shannon Callows has by far the largest area of lowland semi-natural grassland
and associated aquatic habitats in Ireland and one in which there is least disturbance
of natural wetland processes. Botanically, it is extremely diverse. In winter the site
is internationally important for the total numbers of birds (regularly exceed 20,000)
and for Whooper Swan in particular. It also holds nationally important populations
of a further five species. Some of the wintering species are listed on Annex I of the
EU Birds Directive, including Whooper Swan, Greenland White-fronted Goose and
Golden Plover. In summer the site supports important populations of breeding
waders. Perhaps the most important species which occurs in the site is Corncrake (the
site holds 40% of the national total), as this is listed on Annex I of the EU Birds
Directive and is Ireland’s only globally endangered species.
20.6.2002
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WD4
ED3
ED2
GA1
BL3
WL2WL2
WL2
WL2
GS2
GS2
GS4
GS2
GS2
WD4
GS2
FW1
FW4
BL2BL2
GS2
BL3
GS2
GS2
GS2
FW4
BL3
ED2
FL8
BL3
WL1
BL3
WL1
WL2WL2
WL2
WL1
BL3
TN5
TN6
TN2TN1
TN3
TN5
TN5
TN4
Legend
Site Boundary
BL3-Buildings and artificial stonework
ED2-Spoil and bare ground
ED3-Reconising bare ground
FL8-Other artificial lakes and ponds
FW1-Eroding/upland rivers
FW4-Drainge ditches
GA1-Improwed agricultural grassland
GS2-Dry meadows and grassy verges
GS4-Wet Grassland
WD4-Conifer plantation
WL1-Hedgerows
WL2-Treelines
Bird Sampling Point
0 25 50 75 10012.5
Meters1:2,000
© WYG
Drawn By: Igor Wodyk - ArcMap 9.3
Lumcloon Energy Ltd.
WYG Ireland
Job Number:CE7335Finalised by: JH
Date: Feb. 2009Office: 1404
Site Habitat Map
Appendix 10.1
BSP
BSP1
BSP3
BSP2
[Print] | [Close] | [Export CSV][Glossary] [-] Grid 10K 17 found
SPECIES COMMON_NAME LOCATION TENKM_SQUARE FULL_GRID RECORDED_DATE HD_II HD_IV HD_V WA_INCL_FPO RED Show Map
Print Map
Dama dama Fallow deer Iusmagh N01 11/15/90 1
Galeopsis angustifolia Red Hemp Nettle Coneycarn Pit N01 N004105 06/08/1991 1 V
Groenlandia densa Opposite-leaved Pondweed Shannon Harbour N01 N030180 1992 1 V
Hordeum secalinum Meadow Barley Minus Island N01 N023185 14/07/1998 1 V
Hordeum secalinum Meadow Barley Banagher N01 N010155 17/07/1998 1 V
Hordeum secalinum Meadow Barley Minus Island N01 N023185 1993 1 V
Hordeum secalinum Meadow Barley Banagher N01 N010155 1993 1 V
Sciurus vulgaris Red Squirrel Clareen N10 04/12/90 1
Dama dama Fallow deer Eglish N11 03/07/90 1
Acinos arvensis Basil Thyme Derry Hills N21 N270121 14/06/1991 1 V
Acinos arvensis Basil Thyme Derry Hills N21 N270121 1985 1 V
Lutra lutra Otter Ballyboy N21 04/24/90 II IV 1 II
Lutra lutra Otter Ballyboy N21 N2010 04/24/90 II IV 1 II
Martes martes Pine Marten Ballyboy N21 04/24/90 V 1 II
Sciurus vulgaris Red Squirrel Ballyboy N21 04/24/90 1
Dama dama Fallow deer Pollagh N22 10/23/90 1
Dama dama Fallow deer Pollagh N22 N2020 10/23/90 1
[-] Natural Heritage Areas 0 found
Site Code Site Name SY Doc CP Doc SI Doc Show Map
Print Map
[-] Proposed Natural Heritage Areas 8 found
Site Code Site Name SY Doc CP Doc SI Doc Show Map
Print Map
000567 Banagher (Domestic Dwelling, Occupied)
000575 Ferbane Bog
000581 Moyclare Bog
000893 Clonlyon Glebe Bog
000906 Kilcormac Esker
000909 Lough Coura
Page 1 of 2Detailed Data
17/06/2009http://www.designatednatureareas.ie/mapviewer/DetailedData.aspx?Language=en-IE
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EPA Export 10-03-2011:03:37:39
001365 Lough Boora
002104 Grand Canal
[-] Special Areas of Conservation 2 found
Site Code Site Name SY Doc CP Doc Show Map
Print Map
000575 Ferbane Bog
000581 Moyclare Bog
[-] Special Protected Areas 0 found
Site Code Site Name SY Doc CP Doc SI Doc Show Map
Print Map
Page 2 of 2Detailed Data
17/06/2009http://www.designatednatureareas.ie/mapviewer/DetailedData.aspx?Language=en-IE
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Assessment Criteria (Determining Sensitivity of Receptor)
The methodology for evaluation of the nature conservation value (sensitivity) of ecological receptors
(habitats and species) affected by the proposed development is adapted from the current Institute of
Ecology & Environmental Management (IEEM) guidelines (IEEM 2006). These guidelines recommend
assignment of value (or potential value) to ecological receptors in accordance with the following
scale:
• International (i.e. Europe);
• National (i.e. Ireland);
• County (i.e. Co. Offaly);
• District (i.e. Ferbane and the surrounding area);
• Local (i.e. Lumcloon and its environs); and
• Site (i.e. within the immediate zone of the application site*).
*The zone of influence for a development is difficult to define, but for the purposes of this study,
the zone of influence within which potential direct effects on flora and fauna may be reasonably
anticipated is within the application site boundaries and the immediate area around the
application site.
The IEEM guidelines recommend that the process of identifying the characteristics of the impacts
should be made explicit by referring to the following when describing impacts: confidence in
predictions, positive or negative, magnitude, extent, duration, reversibility, timing and frequency, and
cumulative effects. These are detailed within the following sections, where appropriate.
The recommendations for predicting and characterising ecological impacts contained in the IEEM
guidelines have been followed in broad terms.
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Recommendations for Ecological Impacts
Confidence in Predictions
Consideration is given to the likelihood that an impact will occur as predicted. This describes whether
the impact is certain/near certain (probability estimated at >95% chance), probable (probability
estimated at >50% - <95%), unlikely (probability estimated at >5% - <50%) or extremely unlikely
(probability estimated at <5%) to occur.
Positive or Negative
Consideration is given to whether the impact is adverse or beneficial.
Magnitude
Magnitude of impact describes the level of severity of the influence, for example, complete loss of a
habitat. Categories are defined as follows:
General Methodology for Assessing Magnitude
Scale of Impact Description
Substantial Impact resulting in a considerable change in baseline environmental conditions
(i) with severe undesirable/desirable consequences on the receiving environment or (ii) causing statutory objectives to be exceeded.
Moderate
Impact resulting in a discernible change in baseline environmental conditions (i) with undesirable/desirable conditions or
(ii) possibly causing statutory objectives to be exceeded.
Slight Impact resulting in a discernible change in baseline environmental conditions with
undesirable/desirable conditions that can be tolerated.
Negligible No discernible change in baseline environmental conditions.
Note: An impact which caused a breach in legislation would be substantial however it is assumed that
all environmental legislation will be adhered to in carrying out the development.
Extent
This refers to the size or amount of the impact, which is determined on a quantitative basis, where
possible; for example, a loss of 5Ha of habitat and the percentage loss of the total area where
known.
Duration
The size of the impact will also depend on duration. This is the length of time before which
mitigation measures are expected to reverse or instigate recovery of the ecological receptor. Where
possible, duration is considered in ecological terms and relates to the specific species/habitats and
their lifecycles.
Reversibility
A permanent impact is usually one that is irreversible where there are no practical options available
for a course of action to lower/remove the impact. A temporary impact is usually one that is
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EPA Export 10-03-2011:03:37:39
reversible. Reversal could occur over time and by natural regeneration, by spontaneous recovery or
through the implementation of mitigation.
Timing and Frequency
This considers whether the impact will coincide with a critical stage of a lifecycle, for example, the
bird nesting season, which may be avoided by altering the scheduling of works. Frequency relates to
the regularity of an impact, for example, whether the impact is occasional or continual.
Cumulative Effects
The cumulative effects on the same resources/features taking into account other current proposals,
completed projects and natural trends.
Significance Criteria
In assessing significance, the IEEM guidelines suggest making a decision about whether an impact is
positive, neutral or negative and significant or not, independent of the value of the receptor. In the
first instance, significance is determined at the geographical level at which the resource has been
valued. If an impact is found not to be significant at this level, it is then considered at progressively
lower levels.
The significance of the impacts has been assessed for each ecological receptor (or sensitive receptor)
in the form of habitats and species from both the construction and the operational phases of the
proposed development. The full range of effects, from all stages of the proposed development and
the magnitude of the impacts on each of the identified ecological receptors is set out within the text.
The ‘significance’ of the impact is calculated by comparing the sensitivity of the receptor and the
magnitude of the effect as outlined in Table 4.5.3 generating the following generic definition of
potential effects:
Impact Significance Matrix
Magnitude of Impact Importance of Receptor
Substantial Moderate Slight Negligible
International Major Major - Moderate Moderate - Minor Negligible
National Major Major - Moderate Moderate - Minor Negligible
District or County Major - Moderate Moderate - Minor Minor Negligible
Local or Site Moderate - Minor Minor Minor - Negligible Negligible
Residual Impacts
The residual impacts of the development have been considered in the short-term (0-10 years post-
development) and the longer-term (10-25 (and beyond) years post-development). Impacts have
been assessed as being significant or not significant and positive or negative against the assessment
criteria, following the guidelines by IEEM and the assessment methodology above.
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