Nel et al 2012 SCP Turtles - Convention on the ... · FRA FRA FRA FRA COM FRA K 025 500 1000 km...

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Ronel Nel, Linda Harris and Karien BezuidenhoutNelson Mandela Metropolitan University, South Africa 33°0'0"E

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Fuentes et al 2011

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ZAR

MOZ

MAD

FRA

FRA

FRA

FRA

FRACOM

0 500 1000250 kmK

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§ Climate Change?

§ SST (Change)

§ Ocean Acidification

§ Storms

http://www.bbc.co.uk/news/science-environment-15373071

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§§MPA DesignMPA Design……§ Systematic Conservation Planning

§ (Margules & Pressey 2000)

§ Objectives§ Representativeness

§ Persistence

§ Key features§ Complementarity

§ Irreplaceability

I II III IV V

A 1 1 1 0 0

B 1 1 0 0 0

C 0 0 1 1 0

D 0 0 0 1 0

E 1 1 0 0 1

F 1 0 0 0 0

Σ 4 3 2 2 1

Make decisions about the location of conservation areas… and their configuration and management

HS = 4 sp SCP = 6 sp

??

?

?

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Spe

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Patterns:Patterns:§Turtles (all life history phases)§Habitat

Processes:Processes:§Migratory Corridors§Genetic stocks

Threats:Threats:§Natural§Human Induced

I II III IV V

Cc 1 1 1 0 0

Dc 1 1 0 0 0

Cm 0 0 1 1 0

Lo 0 0 0 1 0

Ei 1 1 0 0 1

Nd 1 0 0 0 0

Σ 4 3 2 2 1

HS = 4 sp SCP = 6 sp

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TARGETS? How many turtlemany turtles…How much habitatmuch habitat……

Turtles Habitat

20% 20%

40% 40%

60% 60%

80% 80%

100% 100%

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0 500 1000250 kmK

(Data Proxies!)

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§ Species Distribution (Presence/Absence)

§ IOSEA data base +

§ Habitat Data

§ Coral Reefs

§ Mangroves

§ Sea grass

§ (Beaches)

§ Sea mounts

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§ Habitat

§ SST

§ Productivity

§ Species

§ Migration Corridors

§ Genetic splits

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∆∆SSTSSTCyclonesCyclones

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§ Habitat Threats –

§ Destructive Demersal Trawling

§ Artificial Lights

§ Bycatch Threats –

§ Pelagic Fishing

§ Artisanal fishing

§ Pollution (3 types)

§ Shipping Lanes

Demersal TrawlingArtificial lightArtisanal FishingPelagic Fishinge.g. Inorganic PollutionShipping Lanes

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Scenario BLMTarget Habitat

(%)Target Species

(%)1 5 30 302 5 60 603 5 90 904 5 90 305 5 30 906 5 40 10

Low Habitat : Low SpeciesMedium Habitat : Medium SpeciesHigh Habitat : High SpeciesHigh Habitat : Low SpeciesLow Habitat : High Species40% Habitat : 10% Species33°0'0"E

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§§ Large body of spatial data (e.g. LMELarge body of spatial data (e.g. LME’’s)s)

§§ SCP framework availableSCP framework available

Using SCP:Using SCP:

§§ Map Patterns & ProcessesMap Patterns & Processes§§ Include Culture & SocioInclude Culture & Socio--economic Features economic Features §§ Climate Change, Sea level rise (Climate Change, Sea level rise (‘‘ForecastingForecasting’’))

§§ INTEGRATEINTEGRATE§§ Set (Min) TargetsSet (Min) Targets

§§ Identify gaps in knowledge (Identify gaps in knowledge (genetics, feeding groundsgenetics, feeding grounds))§§ Support Site Network? (Support Site Network? (high seas, sea mountshigh seas, sea mounts))

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Thank You.

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