Population Viability Analysis
Population Viability Analysis (PVA), introduced by Shaffer (1981), estimates the probability that a population will persist over a given time period under specified conditions. PVA combines demographic models (Leslie matrices, IPMs) with stochastic simulation to project population trajectories, quantifying extinction risk. This allows conservation planners to assess whether a population will likely persist, evaluate management scenarios, and estimate the minimum viable population (MVP) size for long-term persistence. PVA is a decision-support tool, not a precise predictor.
Rekodi ya chanzo
Nukuu zimehamishwa kwa uhalisi kutoka kwa rekodi ya chanzo cha mbinu. Hakuna uthibitisho wa kiwango cha dai unaodokezwa kutoka kwao.
- Shaffer, M. L. (1981). Minimum population sizes for species conservation. BioScience, 31(2), 131-134. · DOI 10.2307/1308256
- Morris, W. F., Blakesley, D., Bruna, M. E., et al. (2002). A practical handbook for population viability analysis. NatureServe, Arlington, Virginia. · URL
- Ralls, K., Ballou, J. D., & Templeton, A. R. (1988). Estimates of lethal equivalents and the cost of inbreeding in mammals. Conservation Biology, 2(2), 185-193. · DOI 10.1111/j.1523-1739.1988.tb00169.x
Madai yaliyotunzwa
Madai yamehifadhiwa katika daftari la ushahidi, kila moja ikiwa na tathmini yake.
Mwonekano huu haubuni tathmini ya dai wakati daftari haina yoyote.
Mbinu zinazohusiana
Zilizotengenezwa kutoka kwa grafu ya mbinu na kuonyeshwa kama uhusiano uliopendekezwa na mashine — hakuna dai la ushahidi linalodokezwa.