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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... carnivore and the next a secondary carnivore, etc.” Hutchinson (1959: 147). Hutchinson further pointed out the ... top. Today, this is called bottom-up control of community structure (sensu Power 1992). What Hairston et al. (1960) ...
... predators could be “drivers” of the system by limiting the abundance of their prey ... Top-Down Forces in Food Webs: Keystones to Trophic Cascades The top-down ... Carnivores in Conserving Biodiversity 15 Top-Down Forces in Food WEbs ...
... predators in the world. They are rare or absent from most highly diverse ecosystems. Arguably, it is immaterial whether a single or several predators are controlling prey densities. What matters most is that carnivores at or near the top ...
... top carnivores are actively hunted for food, which is 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 ...
... top predators (Van Valkenburgh 2001), although rare or absent today, was predicted by HSS in their landmark paper (Hairston et al. 1960). Specifically, they suggested that top predators and plants would be resource-limited if herbivores ...
Índice
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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 |