Zobrazeno 1 - 8
of 8
pro vyhledávání: '"J. M. Fryxell"'
Publikováno v:
Ecology and Evolution, Vol 14, Iss 6, Pp n/a-n/a (2024)
Abstract Individuals that isolate themselves to give birth can use more than one strategy in choosing birth sites to maximize reproductive success. Previous research has focused on the consistency in the use of the same birth‐site across years (i.e
Externí odkaz:
https://doaj.org/article/2dbb85d2214b445d98c3af961fd40cc3
Autor:
J. M. Fryxell, C. M. Doucet
Publikováno v:
Ecology. 74:1297-1306
We investigated the effects of changing sapling availability on foraging se- lectivity and cutting rates by beavers in large experimental enclosures. As predicted by an energy-maximizing contingency model, the mean size of saplings cut by beavers inc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d378bdfb7f03bd413ca60fe73bf4a30
https://doi.org/10.2307/1940060
https://doi.org/10.2307/1940060
Autor:
C. M. Doucet, J. M. Fryxell
Publikováno v:
Canadian Journal of Zoology. 69:1308-1313
Field studies suggest that beavers are increasingly selective the farther they forage from the lodge. This could result either from spatial variation in food availability (as predicted by classic contingency foraging models) or from the provisioning
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b9c8f136dd440967c0d5847994e2de7
https://doi.org/10.1139/z91-184
https://doi.org/10.1139/z91-184
Autor:
J. M. Fryxell
Publikováno v:
Oecologia. 72:83-91
Although it is commonly presumed that many populations of large-herbivores are limited by food availability, supporting evidence is scarce. This hypothesis was investigated in a population of over 800,000 white-eared kob in the Boma National Park reg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a3985289150ddee44413220ee67dc365
https://doi.org/10.1007/bf00385049
https://doi.org/10.1007/bf00385049
Autor:
J. M. Fryxell
Publikováno v:
Ecology. 67:1687-1692
Most conventional methods for estimating age—specific survivorship depend on restrictive assumptions of a stable age distribution and constant rates of population increase. I propose an alternative approach that is free of these assumptions, based
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3bf0aea7efad20d55d43093a7de6b56
https://doi.org/10.2307/1939101
https://doi.org/10.2307/1939101
Autor:
J. M. Fryxell
Publikováno v:
African Journal of Ecology. 25:117-124
Summary The reproductive phenology of migratory white-eared kob in Boma National Park, southern Sudan, was investigated during 198 1-83. Calf production occurred during the late wet season (September-December), well after the period of peak food abun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f8d92809ede6bc5afd468cf720b1437
https://doi.org/10.1111/j.1365-2028.1987.tb01098.x
https://doi.org/10.1111/j.1365-2028.1987.tb01098.x
Autor:
Anthony R. E. Sinclair, J. M. Fryxell
Publikováno v:
African Journal of Ecology. 26:17-31
Summary Previous studies suggest that ungulate migrations in savanna ecosystems follow seasonal changes in the distribution of food, water or both. These hypotheses were examined for a migratory population of over 800,000 white-eared kob in Boma Nati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a716abab8eb19f435c9a33d47dff32f8
https://doi.org/10.1111/j.1365-2028.1988.tb01125.x
https://doi.org/10.1111/j.1365-2028.1988.tb01125.x