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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... top - down structured but , through fishing down of the local food webs , have become bottom - up structured . This does not mean that human disturbance has eliminated top - down control , since humans are exerting the strongest top- down ...
... Top - Down Control Bogumiła Jędrzejewska and Włodzimierz Jędrzejewski A typical food chain found throughout the temperate and boreal forests of the Ho- larctic ... Up and Top-Down Control Bogumiła Jędrzejewska and Włodzimierz Jędrzejewski.
... ( top - down forcing ) has the greatest empirical support ; these low densities of prey relative to K typically involve multiple - predator and multiple - prey systems ( Gas- away et al . 1992 ; Bowyer et al . 1998 ; Hayes and Harestad ...
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 |