Spatial and Energy Requirements of Beavers

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Title: Spatial and Energy Requirements of Beavers
Creators: Brenner, Fred J.
Issue Date: 1967-07
Citation: The Ohio Journal of Science. v67 n4 (July, 1967), 242-246
Abstract: The relationship between energy intake and metabolic requirements of beavers {Castor canadensis) is discussed in regard to the spatial requirements of three colonies. A 26-pound yearling beaver requires 850 kcal of digestible energy, or 1.5 lb of fresh aspen per day, to maintain its daily metabolic processes with no additional growth. In order for such a beaver to attain maximum growth, 2040 kcal or 3.6 lb of fresh aspen/day are required. An acre of aspen produces 5,840 lb of food, so there: would be sufficient energy to maintain a population of 10 beavers for 442 days if no growth of beavers occured. If one acre of aspen would maintain the population for one year, there would be 2.8 lb of fresh aspen/day which could be utilized for growth within the population.
Description: Author Institution: Department of Biology, Thiel College, Greenville, Pa.
ISSN: 0030-0950
Rights: Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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