An eradication unit is a defined population targeted for eradication, or removal. The population must be clearly defined in terms of where it is found in order for effective eradication to occur. Looking at the genetic makeup of individuals can help to identify the limits of a population and to determine if there is migration between two seemingly isolated areas is occurring.[1]

Human transport and migration are two factors that can influence the extent of an eradication unit. In terms of management, efforts to remove an invasive species are most effective when the entire eradication unit is targeted at the same time to prevent a reoccurring population from persisting.[1]


  1. 1.0 1.1 Abdelkrim, Jawad, et al. "Importance of assessing population genetic structure before eradication of invasive species: examples from insular Norway rat populations." Conservation Biology 19.5 (2005): 1509-1518.

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