作者
Brigitte Tenhumberg, Andrew J Tyre, Katriona Shea, Hugh P Possingham
发表日期
2004/10
期刊
Conservation Biology
卷号
18
期号
5
页码范围
1304-1314
出版商
Blackwell Publishing Inc
简介
Captive breeding of animals is widely used to manage endangered species, frequently with the ambition of future reintroduction into the wild. Because this conservation measure is very expensive, we need to optimize decisions, such as when to capture wild animals or release captive‐bred individuals into the wild. It is unlikely that one particular strategy will always work best; instead, we expect the best decision to depend on the number of individuals in the wild and in captivity. We constructed a first‐order Markov‐chain population model for two populations, one captive and one wild, and we used stochastic dynamic programming to identify optimal state‐dependent strategies. The model recommends unique sequences of optimal management actions over several years. A robust rule of thumb for species that can increase faster in captivity than in the wild is to capture the entire wild population whenever the wild …
引用总数
学术搜索中的文章
B Tenhumberg, AJ Tyre, K Shea, HP Possingham - Conservation Biology, 2004