minimum viable population

the theory and models of population viability analysis and minimum viable population are used to study the problem of species extinction and the viability of ecosystems can be determined by using the viability of keystone species, thus they are theoretical foundation of the nature reserve design.

种群生存力分析和最小可存活种群的理论及模型用于物种绝灭问题的研究，同时关键种的生存力用于确定生态系统的生存力，因而该理论和模型成为自然保护区设计的理论基础。

minimum viable population----the level of population below which regeneration is negative, leading ultimately to extinction.

中等可控污染——非再生性之下级别的污染，绝大多数最终灭亡。

The theory of island biogeography, minimum viable population and metapopulation came into being successively during the development of conservation biology.

保护生物学在形成和发展过程中，相继产生了岛屿生物地理学、最小存活种群和集合种群三个重要理论。