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Mountain Gorilla Conservation in the Virunga-Bwindi Region:
Systematic Monitoring and Impact Measurement
Measuring Conservation Effectiveness SummitMoore Foundation
5 May, 2010
• IGCP is coalition of 3 organizations (AWF, WWF-I, FFI) and 3 PA authorities (Uganda-UWA, DRC-ICCN, Rwanda-ORTPN)
• Innovative regional conservation approach for mountain gorilla and their afro-montane forest habitat
• IGCP works closely with other regional partners as well.
Virunga-Bwindi Region
• Two remaining isolated afro-montane forest blocks (Virunga and Bwindi)
•Only remaining natural habitat for endangered Mountain Gorilla (Gorilla beringei beringei);
•Mountain Gorilla: Flagship species for biodiversity of Virungas;
•Critical Threats: •Habitat destruction, conversion to agriculture;•High human population density and high levels of poverty;•Prolonged regional political and social conflict.
Conservation Context
• IGCP strategies: 1.Strengthening protected areas;2.Biodiversity monitoring/protection; 3.Conservation enterprises with local communities;4.Transboundary coordination;
•Regional Information System is used to develop and adapt strategy:•Ranger-based monitoring•Socio-economic surveys•Remote sensing/GIS
Current Conservation Strategies
Ranger Based Monitoring (RBM) Program• Standardized system for data collection/analysis across;
• Simple, low-tech data collection system implemented by rangers;
• Ecological information and illegal activities information that guides management response to critical threats;
• Key Management and Planning tool for Protected Area Authorities and for transboundary resource management.
Virunga Volcano RangetrailsPark boundaryRugendoRuzirabobaMunyagaMapuwaPili-piliBuhangaKabiriziHumbaKaratekaNyakageziGroupe13HirwaKwitondaSabyinyoUmubanoAmahoroSusaShindaPablo
10 0 10 Kilometers
N
Habituated Gorilla Home Range in Virunga Volcano Range:June 2006 - June 2007
@ A. K. Basabose, CSO-IGCP, 2007
GORILLA MONITORING
Illegal activities (snares, water and Honey collection)Human-Gorilla Conflicts
Gorilla range
Patrols
How far are the gorillas coming outside the park?
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Vca_lim.shp#S Buhanga_utm_juin06-mai07.shp# Humba_utm_juin06-juin07.shp# Kabirizi_utm_juin06-juin07.shp(X Karateka_utm_juin06-mai07.shp# Mapuwa_utm_juin06-juin07.shp#S Munyaga_utm_juin06-juin07.shp#S Pili-pili_utm_juin06-juin07.shp#S Rugendo_utm_juin06-juin07.shp# Ruziraboba_utm_juin06-mai07.shp
Vca_lim.shp
10 0 10 Kilometers
N
EW
S
Strategy repsonse: Nkuringo buffer zoneActivities done
• Piloting non palatable crops• Mauritius thorn hedge• Removal of exotics
Conservation based Enterprise: Sabinyo Silverback Lodge
Strategy Outputs Outcome Impact
Ranger BasedMonitoring program
established
-buffer zone protectionReduced Threats
StablePopulation ofMountain Gorillas
- Biodiversity Monitoring and
Protection
-conservation-based enterpriseswith local communities
Year of Census1997 2002 2006
Total population estimate 300 320 340Number of groups 28 27 30Number of solitary males 7 10 11Mean group size 10.2 11.3 10.8
Mountain Gorillas -- Bwindi Population, UgandaComparison of population size and structure*
Conservation Impact:Population increase 1997-2006 = 12% (≈1% annually)
Conservation Status of Bwindi Mountain Gorillas =Reasonably healthy and well protected population
*McNeilage, A, Robbins, MM, Gray, M, Olupot, W, Babaasa, D, Bitariho, R, Kasangaki, A, Rainer, H, Asuma, S, Mugiri, G, Baker, J. 2006. Census of the mountain gorilla population in Bwindi Impenetrable National Park, Uganda. Oryx 40: 419-427.
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