Comparative Ecology

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CUP Archive, 1980 - Nature - 436 pages
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This 1980 book considers the patterns of population fluctuations of animals and intraspecific social relations by means of comparative methods and discusses the evolution of population regulation mechanisms and social relations. The author proposes that parental care has evolved in environments in which it is difficult for the young to obtain food, whilst high fecundity has evolved in the opposite environment. He presents evidence from a wide range of organisms to argue that during evolution animals repeatedly face the 'choice' of two strategies - low fecundity combined with parental protection, or high fecundity - and that this choice determined the amplitude, regularity and associated main factors of population fluctuations as well as the main characteristics of social relations as expressed in group life or dispersed living involving territory. Although many examples are drawn from insects, with which the author is most familiar, mammal, birds and other animal groups are also examined in depth.
  

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Contents

Evolution of reproductive rates
1
Egg numbers of fishes
7
Clutch size of birds
16
Litter size of mammals
22
Seed numbers of plants
28
A critique of rK selection theory
38
Strategies of survival
47
Survivorship curves of aquatic invertebrates amphibians
57
Survivorship curves of mammals
74
Survivorship curves of insects
80
Discussion on the evolution of reproductive rates and sur
94
Population fluctuations
103
Population fluctuations of microbes and invertebrate animals
112
Territoriality
196
Social insects
258
Group life
303

Survivorship curves of birds
67

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Popular passages

Page 395 - Bull., 21:1-55. . 1976. A revision of the poison-arrow frogs of the genus Phyllobates Bibron in Sagra (Family Dendrobatidae).
Page 395 - Silverstone, PA 1975. A revision of the poison-arrow frogs of the genus Dendrobates Wagler.
Page 388 - CD 1962. Biological observations on the primitively social bees of the genus "Allodapula

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