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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... result in an environment hostile to herbivores , ( 2 ) poorly defined trophic struc- ture resulting from widespread omnivory that blurs trophic - level distinctions and functions , ( 3 ) reduced interaction strengths of predators or ...
... results are by no means universal ( e.g. , Karanth and Sunquist 1995 ) . Although these results reaffirm both ... result of very thorough analyses of the underlying data ( Eberhardt and Peterson 1999 ) . Second , several of the ...
... result in low energy expenditures for tigers . By contrast , wolves have low success rates , averaging 14 % ( based on individual prey ) over 14 studies ( Mech and Peterson 2003 ) . As cursorial predators , they may chase prey for ...
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 |