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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... Megaherbivores " ( defined as those weighing more than 1000 kg as adults ) have been a key part of the earth's ecology for the last 200 million years . But due to " overkill , " only a few remain in the living menagerie of our time ...
... Megaherbivores constitute one of two classes of vertebrate herbivores ne- glected by HSS ; the other is herd - forming migratory ungulates ( Terborgh et al . 1999 ) . Whereas megaherbivores escape predation through huge size , migratory ...
... megaherbivores capable of transforming vegetation . In the pres- ence of megaherbivores , neither the Green World nor the Plant Self - Defense Hy- pothesis is valid because megaherbivores are not regulated by predators and are only ...
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 |