Pinnipeds and El Niño : responses to environmental stress
著者
書誌事項
Pinnipeds and El Niño : responses to environmental stress
（Ecological studies : analysis and synthesis, v. 88）
Springer-Verlag, c1991
- : gw
- : us
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注記
Bibliography : p. [271]-288
Includes index
内容説明・目次
内容説明
El Nino is a meteorological and oceanographic phenomenon, which occurs at irregular intervals in the eastern tropical Pacific. Its most obvious characteristic is the warming of surface waters, which causes enormous disturbances of the marine environment. A severe Nino may also affect continental systems worldwide. This book examines the information available on the effects of the exceptionally strong 1982-83 Nino on a group of marine mammals, the pinnipeds. It presents an analysis of the effects of environmental stress on the populations of top predators. Data and interpretations are based on a collection of long-term studies of pinniped population dynamics, behaviour and ecology which spanned the El Nino event. The responses of pinniped populations to the El Nino disturbance of the marine ecosystem also has important implications for the management and conservation of marine mammal populations.
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