Zobrazeno 1 - 10 of 52 pro vyhledávání: '"Dennis Chitty"'
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Elektronická kniha
Do Lemmings Commit Suicide? : Beautiful Hypotheses and Ugly Facts
Autor: Dennis Chitty
In 1929, a group of scientists, including the author, working at the Bureau of Animal Population, Oxford University, began'the pursuit of the ecological Holy Grail', a scientific endeavor devoted to the search for the secret mechanisms behind biologi
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2
The Natural Selection of Self-Regulatory Behavior in Animal Populations
Autor: Dennis Chitty
Publikováno v: Natural Regulation of Animal Populations ISBN: 9781315125145
This chapter discusses ways of testing the hypothesis that all species of animals have a form of behavior that can prevent unlimited increase in population density. Selective advantage is measured in terms of relative contribution to the gene pool of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::debe852a2d261a41aa9be5dbcb442a8f
https://doi.org/10.4324/9781315125145-10
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3
Mammal population cycles: evidence for intrinsic differences during snowshoe hare cycles
Autor: Charles J. Krebs, Anthony R. E. Sinclair, Dennis Chitty, Carol I. Stefan
Publikováno v: Canadian Journal of Zoology. 81:216-220
Some mammals in high northern latitudes show regular population cycles. In snowshoe hares (Lepus americanus), these occur every 9-10 years. One hypothesis proposes extrinsic causes such as food shortage or preda- tion. The other proposes intrinsic ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4cc961cfec92da365e257365a9405da7
https://doi.org/10.1139/z03-006
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5
Do Lemmings Commit Suicide? Beautiful Hypotheses and Ugly Facts
Autor: Dennis Chitty, William Z. Lidicker
Publikováno v: Ecology. 78:1934
1. Introduction 2. Pioneering Observations, 1929-1939 3. Qualitative Changes, 1937-1939 4. Wartime Rat and Mouse Control, 1939-1946 5. Replication, 1946-1951 6. Behavior, Physiology, and Natural Selection, 1949-1961 7. Controversies, 1952-1956 8. Var
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::594b0e6d5f9b31d8665cea021bbfef2e
https://doi.org/10.2307/2266114
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6
Can Changes in Social Behaviour Help to Explain House Mouse Plagues in Australia?
Autor: Charles J. Krebs, Grant R. Singleton, Dennis Chitty, Rudy Boonstra
Publikováno v: Oikos. 73:429
House mouse plagues in the grain-growing areas of eastern Australia are a graphic illustration of the failure of social mechanisms of population control that are postulated by the self-regulation hypothesis to prevent unlimited increase in numbers. Y
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::16ee86bc2f9de01fcad6c766b7da62e8
https://doi.org/10.2307/3545972
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7
Social and local environments of the vole Microtus townsendii
Autor: Dennis Chitty
Publikováno v: Canadian Journal of Zoology. 65:2555-2566
Why do vole populations usually stop increasing before they run out of food, then decline to a phase of low numbers and low body weights? Here I test the hypothesis that indefinite increase is prevented by spacing behaviour and that the decline is du
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56166feb64a0997c7a2e99279a343d92
https://doi.org/10.1139/z87-385
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