The role of local populations within a landscape context: defining and classifying sources and sinks.

源-汇动态

源-汇动态（）是生态学家描述棲息地品质对生物种群兴衰之影响的理论模型。.

生态陷阱

生态陷阱（）是环境的快速变化导致生物反而偏好在劣质棲息地定居的情景。这一概念的基础是，主动选择栖息地的生物依靠环境线索来识别高质量栖息地。若栖息地质量或线索发生改变，令两二者不再相符，则生物可能会被引导至质量较差的栖息地。.

Source–sink dynamics

Source–sink dynamics is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms.

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