Guidelines for measuring vineyard parcels in the context...
Transcript of Guidelines for measuring vineyard parcels in the context...
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1 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Guidelines for measuring vineyard parcels in the context of Reg. 479/08
and 555/08
H. KERDILES, K. GALABOVA, P. LOUDJANI , Agriculture Unit JRC Ispra
In collaboration with F. SPANU, S. TATAYAS, DG AGRI J2
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2 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Outline
• Area based aid schemes for vineyard • Determination of the planted area (art 75)• Specific cases• Measurement tools
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3 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Context• New regulations on CMO in wine (R. 479/08 & 555/08)
• 4 aid schemes paid on area– 3 aid schemes: grubbing up, restructuring and conversion, green harvesting– SPS
• 2 rates of On the Spot checks– 100% for the 3 aid schemes with determination of the planted area according to art 75 of R. 555/08; checks before and after operation for grubbing up and restructuring;
• 5% before grubbing up if GIS tool for measuring planted area
– SPS: at least 5% of SPS claims; area measured according to art 30 of R. 796/04 (may differ from art 75 area)
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4 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Definition of the planted area (for the 3 aid schemes)
- Parcel physical boundary (LPIS or vineyard register)
--- External perimeter of vine stocks
- Planted area as per art 75X: inter row distance
• Introduced in R. 555/08, art 75: area defined by the external perimeter of the vine stocks with addition of a buffer of half the inter row distance
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5 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Determination of the planted area (3 aid schemes)
• In accordance with the 1st subparag of art 30(1) of R. 796/04 i.e. “by any means proven to assure measurement of quality at least equivalent to that required by applicable technical standard, asdrawn up at EC level”
–> EC technical standard = these guidelines
• No measurement tolerance defined (e.g. no maximum tolerance, either relative to parcel perimeter or absolute – cf. 2nd subparag of art 30(1) of R. 796/04)
• However, accurate measurement recommended (ES, FR, IT, PT already use DGPS)
–> accuracy can be expressed as measurement tolerance
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6 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Is a tolerance needed for the 3 aid schemes ?
• No, MS could decide to pay the area measured by the inspector
– 100% OTS check (≠ SPS)– No penalty in case of over claim (≠ SPS)–> Measurement considered as service, not control– A tolerance could be needed in case of dispute by farmer (to check inspector’s measurement)
• However, for consistency with IACS, tolerance may be used to decide if declared area is OK (where relevant)
–> recommend tool with maximum 0.75m buffer
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7 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
0
5
10
15
20
25
30
35
0.93 0.95 0.97 0.99 1.01 1.03 1.05 1.07
measured area (ha) (parcel 100 x 100m)
buffer 75 cm
buffer 1.5m
Meaning of tolerance
Stricter tolerance means more precise measurement (less dispersion), not necessarily less area paid to the farmer
For a 50 x 200m parcel- A tool with a 1.5m buffermay give any valuebetween 0.94 or 1.06 ha- A tool with a 75 cm buffermay give any valuebetween 0.97 and 1.03 hain 95% of the cases
This difference increaseswith the parcel perimeter
1 ha
1.0
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8 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Parcel measurement (general case)
• Measure the parcel following strictly the limit of the vine stocks• add a half inter-row distance around the previous limit (with GIS), while respecting any physical boundary;
• Result = “measured” art 75 area & perimeter
IRD
IRD/2
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9 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Parcel measurement: alternativeDirect measurement of “art 75 area” if more precise, i.e. if
difficulty to follow the vine stocks
IRD
IRD/2
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10 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Tolerance
• Tolerance = buffer width corresponding to the measurement tool x “art 75” perimeter• Establishment of the determined area for the 3 aid schemes:
– declared area if declared area falls in “measured”art 75 area +/- tolerance;– “measured” art 75 area otherwise
Measured area
Measured + toleranceMeasured - tolerance
Declared area OK Declared area not OK -> take measured area
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11 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Tolerance: example of application• Area measured: 1.00 ha (50 x 200 m); perimeter 500 m• IRD = 2.50m => add 1.25 m round the planted areaArt 75 area and perimeter: 52.5 x 202.5 = 1.06 ha; 510 m
Measurement tool: GPS with buffer width of 0.75 m => tolerance = 510 x 0.75 m = 383 m2 = 0.04 ha Accept declared if falls inside 1.06 ha +/- 0.04 ha
IRD = 2.5m
1.25m
tolerance
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12 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Parcel measurement : specific cases (1/3)
• Single row– area = (row length+2L) x 2L with L = 1.5m max (exceptions to be justified by MS)
• Individual vine plants– 5m2 / stock unless justified exception
5m2
L (max 1.5m)
Row length
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13 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Exception: case of inter row distance>3m
• e.g. vine in pergola (IT, PT)
Inter-row distance = 7m
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14 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Parcel measurement : specific cases (2/3)
• Inclusions and holes− Exclude ineligible features above 100m2 (same rule as in IACS – see WikiCAP, category art30) such as roads, buildings, other (subsidized) crops as well as isolated trees if subsidized or their density exceeds 40 trees / ha .
− possibility to subtract the IACS GIS area of other crops if up to date (e.g. for olive trees)
− Exclude holes (missing plants) if grouped or above a max density (e.g. 1 hole / 10 plants)
Subsidized olive trees(planted before 05/98)
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15 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Example: partial exclusion of head rowHead row, 7.2m
Inter row distance 3m (=15 / 5)
LPIS boundary
NB: If parcel grubbed up, nb of entitlements attributed (nb of art 75 ha) may be less than area eligible to SPS (here full parcel)
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16 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Example: mixed parcels
Deduct olive trees and other (non subsidized) trees
P Loudjani
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17 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Vine + oak (not aided, well distributed) -> no deduction of trees
12 m wide path
ES SIGPAC
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18 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Parcel measurement : specific cases (3/3)
• Terraces
Same principle: include terrace if width < inter row distance, otherwise add half inter row buffer
Width < IRD
Planted area
Terrace
Slope / dry wall
external limit of the parcel
Deducted areaWidth > inter row distance
planted area+ half inter row distance (IRD)
Vine row
> IRD
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19 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Terraces that can be included
Deductroad
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20 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Particular case of terraces
Exclusion of each terrace?Orthoimage needed
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21 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Measurement tools
• Tools with a tolerance < 0.75m– DGPS, single or dual phase frequency GPS, electronic total station
• Stand alone GPS to be tested (2 of the 4 certified GPS OK)
• Tools measuring lengths (tape, topofil, laser meter)
–-> for simple shapes (single rows, rectangular narrow parcels); tolerance to be determined by MS (cf. guidelines on wikiCAP)
NB: projected area (length) needed
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22 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Use of VHR ortho imagery
• For verifying the grubbed up area or measuring it in case of partial grubbing up• Recommend resolution (ground sampling distance) ≤≤≤≤ 0.5m(≤≤≤≤ 1m in Regulation) and late spring or summer acquisition
–> risk of confusion between vineyard and other land cover; –> check vine plants are visible on the image
• NB: Possible use of VHR imagery for removing inclusions (roads, buildings, trees)
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23 / 2214th MARS Annual Conference "Geomatics in support of the CAP“ - Ljubljana, Slovenia, 3-5 December 2008
Very first results of survey
We fully approve these excellent
guidelines!