Large Carnivores and the Conservation of BiodiversityJustina Ray Island Press, 2005 - 526 páginas Large Carnivores and the Conservation of Biodiversity brings together more than thirty leading scientists and conservation practitioners to consider a key question in environmental conservation: Is the conservation of large carnivores in ecosystems that evolved with their presence equivalent to the conservation of biological diversity within those systems? Building their discussions from empirical, long-term data sets, contributors including James A. Estes, David S. Maehr, Tim McClanahan, Andrès J. Novaro, John Terborgh, and Rosie Woodroffe explore a variety of issues surrounding the link between predation and biodiversity: What is the evidence for or against the link? Is it stronger in marine systems? What are the implications for conservation strategies? Large Carnivores and the Conservation of Biodiversity is the first detailed, broad-scale examination of the empirical evidence regarding the role of large carnivores in biodiversity conservation in both marine and terrestrial ecosystems. It contributes to a much more precise and global understanding of when, where, and whether protecting and restoring top predators will directly contribute to the conservation of biodiversity. Everyone concerned with ecology, biodiversity, or large carnivores will find this volume a unique and thought-provoking analysis and synthesis. |
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... puma 0 1981 1983 Figure 14.2 2 1.5 - Guanacos / km2 0.5 0 1985 Trend in puma recolonization : based on year ranches ) and mean guanaco density of puma reappearance at 32 in 1982 and 2001-2 ( from transect estimates at 7 ranches ) in ...
Justina Ray. % Guanaco in puma diet 2 32 26 20 14 R2 = 94 % -2 2 6 Threshold ( P = 0.002 ) 8 10 12 14 16 Guanacos / km2 Figure 14.4 Response in puma consumption of guanacos as a function of density of guanacos at different sites in ...
... puma preda- tion on , 278 Porgy , jolthead ( Calamus bajonado ) , 263 Porites coral , 250 , 251 " Predator chain , " 13-14 Predator - prey ( ungulates ) dynamics : concep- tual models of , 344-346 , 345 ; ecosystem processes ...
Índice
PART I | 7 |
CHAPTER | 12 |
Keystones to Trophic Cascades | 15 |
Direitos de autor | |
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Large Carnivores and the Conservation of Biodiversity Justina Ray,Kent H. Redford,Robert Steneck,Joel Berger Pré-visualização limitada - 2013 |