Recovery potential modelling of redside dace (Clinostomus elongatus) in Canada / Adam S. van der Lee, Mark S. Poesch, D. Andrew R. Drake, and Marten A. Koops.: Fs70-5/2019-034E-PDF

"The Committee on the Status of Endangered Wildlife in Canada (COSEWIC) has assessed Redside Dace (Clinostomus elongatus) as Endangered in Canada. Here a population model is presented to determine population-based recovery targets, assess allowable harm, and conduct long-term projections of population recovery in support of a recovery potential assessment (RPA). The analyses demonstrate that the dynamics of Redside Dace populations are particularly sensitive to perturbations that affect survival of immature individuals (from hatch to age-2) and population-level fecundity. Harm to these portions of the life cycle should be minimized to avoid jeopardizing the survival and future recovery of Canadian populations. Meta-population structure was incorporated into analyses. The manner in which catastrophes impacted segments of the meta-population influenced recovery target estimates, indicating that understanding the extent of meta-population structure throughout the species range is needed to refine recovery targets"--Abstract, page v.

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