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作者:R. A. Barton , A. B. Pleasants
来源:[J].New Zealand Journal of Agricultural Research(IF 0.839), 1997, Vol.40 (1), pp.57-68
摘要:Abstract(#br)The carcass composition (dressing‐out percentage, kidney and channel fat, fat depth at the 12th rib, eye muscle area, and trimmed fat, bone, and muscle weight) of 30‐month‐old beef‐type steers [Angus (71), Beef Shorthorn (28), Galloway (29), Here...
作者:R. A. Barton , A. Purvis , P. H. Harvey
来源:[J].Philosophical Transactions of the Royal Society B: Biological Sciences(IF 6.23), 1995, Vol.348 (1326), pp.381-392
摘要:How brains have evolved in response to particular selection pressures is illuminated by ecological correlates of differences in brain structure among contemporary species. The focus of most comparative studies has been on the overall size of brains relative to body size, hence ig...
作者:... E. Rogers , A. Whiten , R. A. Barton
来源:[J].Philosophical Transactions of the Royal Society B: Biological Sciences(IF 6.23), 1991, Vol.334 (1270), pp.171-178
摘要:Four categories of plant food dominated the diet of chimpanzees in Kibale Forest, Uganda: non-fig tree fruits, fig tree fruits, herbaceous piths and terrestrial leaves. Fruit abundance varied unpredictably, more among non-figs than figs. Pith intake was correlated negatively with...
作者:R. A. Barton , P. G. Waterman ...
来源:[J].Philosophical Transactions of the Royal Society B: Biological Sciences(IF 6.23), 1991, Vol.334 (1270), pp.187-197
摘要:As large-bodied savannah primates, baboons have long been of special interest to students of human evolution: many different populations have been studied and dietary comparisons among them are becoming possible. Baboons' foraging strategies can be shown to combine high degrees o...

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