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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... Guanacos were hunted to reduce their competition with sheep . Commercial hunting of guanaco young for their skins and of choiques for their feathers was heavy and widespread . Between 1972 and 1979 , 443,655 guanaco pelts were legally ...
... guanacos as a function of density of guanacos at different sites in Patagonia ( Novaro et al . in prep . ) . Data are from three ranches in southern Neuquén , Auca Mahuida Provincial Reserve , and five yearly means during guanaco ...
Justina Ray. Guanacos / km2 25 20 159 10 LO 5 0 1982 2001 Remolinos -Chacayal La Teresa Quemquemtreu - Collon Cura - Alicura -Ache Co Figure 14.5 Trends in guanaco density at seven ranches where sheep were removed in southern Neuquén ...
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 |