using biodiversity planning products to measure...
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Using biodiversity planning products to measure
conservation success:GreenChoice’s Monitoring & Evaluation Project
Biodiversity Planning ForumMay 2012
Genevieve PenceHeidi Hawkins
Rosanne Stanway
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Overview
• GreenChoice M&E project
• Biodiversity metric results 2006 – 2010
• Data sources & issues
• Implications?
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• Economic, social & environmental outcomes• Participatory monitoring, field sampling &
mapping
• Biodiversity indicator = set of metrics re: contributions of C.A.P.E. Business & Biodiversity Initiatives to conservation
• Baseline assessment 2006• Post-baseline assessment 2010
GreenChoice M&E project
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BBI participation:
280 members1729 cadastres
412,000 ha
Flower Valley Conservation
Trust
Biodiversity & Wine Initiative
Sandveld Biodiversity Best Practice
Potato Project
Right Rooibos
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mapped biodiversity metrics• National Vegetation Targets• Listed Threatened Ecosystems• Critical Biodiversity Areas (CBAs)• Ecological Support Areas (ESAs)• Mountain Catchment Areas (MCAs)• National Freshwater Ecosystem Priority Areas
(FEPA wetlands & free-flowing rivers) • Key climate adaptation corridors
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412,010 ha BBI member footprint
~253,480 ha (62%) natural 2006~250,150 ha (61%) natural 2010
2,827 ha lost to transformation892 ha lost to degradation
96 vegetation types
40 Listed Threatened Ecosystems
47% of remaining habitat is Threatened
On average, 13.7% contribution per National veg target achievable within BBIs
But only 0.6% secured at high level and 1.3% at lower level of protection
5,500 ha of intact FEPA wetland (70% of wetland area)
But 30% (2,360 ha) = converted, despite regulatory protection
2010 results
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313(11%) 111
(4%)
1247(44%)
1156(41%)
1669(59%)
70(2%)
807(29%)
10(0%)
15(1%)
0
500
1000
1500
2000
2500
3000H
ecta
res
lost
CR EN VU LT CBA ESA Corr MCA FEPA Total
Biodiversity Metric
Summary of change (loss per metric) 2006-2010
2827(100%)
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Average loss per member
Initiative
% of members with
transformation 2006-2010
Minimum area (ha)
transformed by single member
Maximum area (ha)
transformed by single member
Average area (ha)
transformed per member
Flower 63% 0.66 14.8 5.6
Potato 97% 0.20 241.5 42.4
Rooibos 83% 0.15 212.1 40.8
Wine 65% 0.06 60.6 5.6
Total 77% 0.06 241.5 21.3
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was one of the largest Swartland Shale Renosterveld (CR) remnants
2006 2010
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Business and Biodiversity Initiative (BBI) Member
Initiative / Industry = wineBBI_CODE = BWI_VANZ_27Member name = Vanzylsdamme Total farm ha = 249.79Natural ha = 211Degraded ha = 17.55Transformed (no natural) ha = 21.23Farm number (or portion/farm) = RE/37Surveyor General Code = C04200000000003700000
Biodiversity metric results (2006 conditions)
Critically Endangered (CR) vegetationOriginal ha = 0Natural ha = 0Degraded ha = 0
Endangered (EN) vegetationOriginal ha = 0Natural ha = 0Degraded ha = 0
Vulnerable (VU) vegetationOriginal ha = 0Natural ha = 0Degraded ha = 0
Least Threatened (LT) vegetationOriginal ha = 249.79
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Summer grazing in wetland on R365
Coordinates: -32.38734900; 18.72911900; Altitude: 221.0 m;GPS Date: 11/18/2011 10:29:17 AMDirections: To here - From here
Groundtruthed 40 high-priority cadastres
Verify presence & condition of veg types, CBAs, wetlands
& corridors along transect
Result: 2 discrepancies, both re condition &
coincide with change in ownership
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Can we use mapped data to measure conservation results?
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mapped biodiversity metrics• National Vegetation Targets• Listed Threatened Ecosystems• Critical Biodiversity Areas (CBAs)• Ecological Support Areas (ESAs)• Mountain Catchment Areas (MCAs)• National Freshwater Ecosystem Priority Areas
(FEPA wetlands & free-flowing rivers) • Key climate adaptation corridors
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Can we use mapped data to measure conservation results?
If mapped at right scaleAND only with suitable landcover data
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Potential landcover informants
National Landcover (NLC) 2000 Little Karoo landcover Sandveld landcover change projectCFR rate of loss project Area Wide Planning projects~ National field boundary layer~ Overberg Transformation Map~ Fine-Scale Biodiversity Planning projectCity of Cape Town
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2006
883 cadastral units covering 168,355 ha (41%) of participating lands edited manually for BBI landcover base
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2010
all 1729 cadastral units covering 412,010 ha of participating landsedited manually for transformation since 2006
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Little Karoo Landcover
degradation
Manual mapping
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Area-wide planning data: fields classified as natural
Manually corrected
National field boundary layer:
missing fields under cloud cover
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Can we use mapped data to measure conservation results?
If mapped at right scalewith suitable landcover dataAND manual spot checking &
groundtruthing
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Thank you!