Dennis Chitty
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Canadian zoologist (1912–2010)
Dennis Hubert Chitty | |
|---|---|
| Born | (1912年09月18日)September 18, 1912 |
| Died | February 3, 2010(2010年02月03日) (aged 97) |
| Alma mater | |
| Known for | Chitty Hypothesis of Population Regulation |
| Scientific career | |
| Fields | |
| Institutions | |
| Thesis | Factors controlling the density of wild populations, with special reference to fluctuations in the vole ( Microtus) and the snowshoe rabbit (Lepus americanus) (1949) |
| Doctoral advisor | Charles Sutherland Elton |
| Doctoral students | Charles Krebs |
Dennis Hubert Chitty FRSC (18 September 1912 – 3 February 2010), was a professor of zoology at the University of British Columbia. In 1969, he was elected a Fellow of the Royal Society of Canada.[1]
The Chitty Hypothesis of Population Regulation states that population density is limited by spacing behaviour, which has genetic underpinnings and rapidly responds to natural selection.[2] Because of the controversial nature of this idea at the time, David Lack attempted to veto Chitty's dissertation, though it was eventually accepted because of the intervention of Peter Medawar.[3]
References
[edit ]- ^ Obituary
- ^ Krebs, Charles J. (1978). "A review of the Chitty Hypothesis of population regulation". Canadian Journal of Zoology. 56 (12): 2463–2480. doi:10.1139/z78-335.
- ^ Was the Chitty Hypothesis of Population Regulation a ‘Big Idea’ in Ecology and was it successful?
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