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Assessing the Dynamics of Wild Populations
Abstract
Lotka's equations summarizing population dynamics can be approximated by functional models of the survivorship and reproductive curves, incorporating three stages of survival and reproduction, respectively. An abbreviated form uses a single reproductive parameter and two survival values. Survivorship and reproductive curves were fitted to data on northern fur seals (Callorhinus ursinus), domestic and feral sheep, white-tailed deer (Odocoileus virginianus), grizzly bears (Ursus arctos), African buffalo (Syncerus caffer), free-ranging horses, and fin whales (Balaenoptera physalus). Data for 10 species suggest a useful relationship between senescence parameters. A bias due to senescence may lead to serious underestimation of survival rates. Observed annual rates of increase of 18-20% for feral horses, 16% for southern fur seals (Arctocephalus gazella), and 60% for white-tailed deer are compatible with observed population parameters. 43 references, 11 figures, 3 tables.
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Citations
Cited by
Temporal Variation in Fitness Components and Population Dynamics of Large Herbivores
Gaillard, J.-M., Festa-Bianchet, M., Yoccoz, N. G., Loison, A., & Toïgo, C. (2000) · Annual Review of Ecology and Systematics · doi:10.1146/annurev.ecolsys.31.1.367 · Cited by 1,729
TEMPORAL VARIATION IN SURVIVAL OF MAMMALS: A CASE OF ENVIRONMENTAL CANALIZATION?
Gaillard, J.-M., & Yoccoz, N. G. (2003) · Ecology · doi:10.1890/02-0409 · Cited by 639
A PARADIGM FOR POPULATION ANALYSIS OF LONG-LIVED VERTEBRATES
Eberhardt, L. L. (2002) · Ecology · doi:10.1890/0012-9658(2002)083[2841:apfpao]2.0.co;2 · Cited by 560
Self-citationAGE-SPECIFIC SURVIVAL IN FIVE POPULATIONS OF UNGULATES: EVIDENCE OF SENESCENCE
Loison, A., Festa-Bianchet, M., Gaillard, J.-M., Jorgenson, J. T., & Jullien, J.-M. (1999) · Ecology · doi:10.1890/0012-9658(1999)080[2539:assifp]2.0.co;2 · Cited by 455
Roe Deer Survival Patterns: A Comparative Analysis of Contrasting Populations
Jean-Michel, G., Delorme, D., Jean-Marie, B., Laere, G. V., Boisaubert, B., & Pradel, R. (1993) · The Journal of Animal Ecology · doi:10.2307/5396 · Cited by 300
Metadata
- Authors
- Eberhardt, L. L.
- Venue
- The Journal of Wildlife Management
- Publisher
- JSTOR
- Published
- 1985-10
- Volume
- 49
- Issue
- 4
- Pages
- 997
- ISSN
- 0022-541X (ISSN-L)
- OpenAlex
- W2056291047
- Cited by
- 200
- References
- 0
- FWCI
- 6.92
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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