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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... values relative to other conservation values. To help sort out what we can do from what we should do, this chapter ... trophic levels. That is, where predator impacts affect the biodiversity of the entire ecosystem. Finally, I will ...
... trophic levels as well as to the fact that different processes may act at different trophic levels. They also pointed out that predators at upper trophic levels might control the distribution and abundance of consumers at lower trophic ...
... trophic levels all in the context of the ecosystem's other physical and biological processes. which predators prevent the monopolization of the major environmental requisites by one species (Paine 1966: 65).” Monopoly busting was only ...
... trophic level is “successively dependent upon the preceding level as a source of energy” (Lindeman 1942:415). In other words, the primary interactions ... trophic levels and effects. Large arrows indicate large effect. 14 Setting the Stage.
... trophic levels. Top-Down Forces in Food Webs: Keystones to Trophic Cascades The top-down manner by which predators drive the structure of ecosystems was illustrated in several compelling studies published in rapid succession, beginning ...
Índice
1 | |
7 | |
57 | |
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 |