Large Carnivores and the Conservation of BiodiversityJustina Ray, Kent H. Redford, Robert Steneck, Joel Berger Island Press, 09/04/2013 - 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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... relatively few carnivorous species at the highest trophic levels. These “apex” predators are so named because no predator controls their abundance (i.e., they are resource limited according to HSS). Thus all keystone predators are apex ...
... relatively inedible and thus immune to apex predators (Owen-Smith 1988; Sinclair et al. 2003). Herbivory can weed out the most edible and palatable plants from a community, leaving plants that are avoided or impossible to eat. Thus the ...
... relatively modest vegetational impacts. Predator effects on herbivores that cascade to plants exist in both marine and terrestrial systems, but the changes in higher-order terrestrial predators translate to relatively modest or ...
... relatively rare in modern terrestrial ecosystems. Why Big Fierce Animals Are Rare: Top-Down Vulnerability and Chronically Sliding Baselines Paul Colinvaux, in his book Why Big Fierce Animals Are Rare (1979), explains that this rarity is ...
... relatively fragile because of the disproportionate susceptibility of megafauna to extinction. In other words, reasons why large predators have always been relatively rare are the same reasons why they are vulnerable today. Whatever ...
Índice
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From Largely Intact to HumanDominated Systems Insight on the Role of Predation Derived from LongTerm Studies | 177 |
Achieving Conservation and Management Goals through Focus on Large Carnivorous Animals | 289 |
References | 429 |
List of Contributors | 509 |
Index | 512 |
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Wildlife Science: Linking Ecological Theory and Management Applications Timothy E. Fulbright,David G. Hewitt Pré-visualização limitada - 2007 |