نتایج جستجو برای: specific competition
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Males among many species, including humans, evaluate cues of sperm competition risk and adjust accordingly their sperm competition tactics. The number of potential sexual rivals can serve as an index of sperm competition risk. Therefore, men may adjust their in-pair copulatory interest in accordance with the presence of sexual rivals. Using self-reports from 45 married men, we test the hypothes...
x )-elationj and of this paper form part of a PhD thesis submitted the author to the "",,,,,,.,.,,,,,t,, of London. The author the support of the Commonwealth :::;c.hoJlarsrup Commission. Australasian Journal of Combinatorics 3(1991) pp 235-249 (a) D n and (b) NIH ~ q) for some s, 0 236 power q. s::=;n 3. term
That competition is stronger among closely related species and leads to phylogenetic overdispersion is a common assumption in community ecology. However, tests of this assumption are rare and field-based experiments lacking. We tested the relationship between competition, the degree of relatedness, and overdispersion among plants experimentally and using a field survey in a native grassland. Re...
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