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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Resultados 1-5 de 89
... Abundance 112 Evidence for Past and Present Top-Down Predator Effects Altering Trophic Cascades in Major Benthic Marine Ecosystems 116 Evidence from Other Marine Ecosystems 132 General Consequences of the Loss of Large Carnivores, and ...
... abundance. These indices were useful to demonstrate that a biota was dominated by few species (e.g., Simpson's dominance index, Simpson 1949), or if they were more evenly distributed (e.g., the Shannon diversity index or index of ...
... abundance of lower trophic levels (top-down) (sensu Power 1992). This paradigm shift is much more ural communities, they had been thought of as “passengers” carried. than changing terminology. While predators had long been considered ...
... abundance of their prey. This new way of thinking opened new avenues of ecological theory focusing on the communitywide impacts of higher-order predators on organisms at lower trophic levels. Top-Down Forces in Food Webs: Keystones to ...
... abundance of moose that in turn control the abundance of the island's balsam fir (Abes balsamea) trees (McLaren and Peterson 1994). Keystone species need not be carnivores, but most are, because of the stipulation that they have a great ...
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 |