9 - Habitat loss and fragmentation

43 bio 3115 universit dottawa university of ottawa

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Unformatted text preview: erptile species richness 0.6 0.4 0.2 0.0 -0.2 -0.4 0.4 0.2 0.0 -0.2 -0.4 -0.4 -0.2 0.0 0.2 0.4 -0.4 -0.2 0.0 0.2 0.4 Area-corrected forest cover (2000 m) M9.44 BIO 3115 Université d’Ottawa / University of Ottawa 2012 M9.22 BIO 3115 Conservation Biology 2009-2010 Cumulative effects of habitat loss and other extinction risk factors: three case studies M9.45 BIO 3115 Université d’Ottawa / University of Ottawa 2012 Decline of neotropical migrants and nonmigrants at Rock Creek Park, D.C. Decline caused by deforestation and habitat degradation from pesticides on wintering grounds… … and habitat fragmentation and disturbance on breeding grounds leading to increased nest predation and nest parasitism rates. 100 Percent loss (1940s - 1980s) 80 60 40 20 0 Neotropical migrants Non-migrants M9.46 BIO 3115 Université d’Ottawa / University of Ottawa 2012 M9.23 BIO 3115 Conservation Biology 2009-2010 Range loss for some Southeast Asian primates and current habitat protection Original range (x 1000 ha) Orangutan 55,300 Siamang 46,511 Bornean g...
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This document was uploaded on 03/11/2014 for the course BIO 3115 at University of Ottawa.

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