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Resident Fish Substitution Environmental Risk Assessment

This program requires an environmental risk assessment for proposals involving non-native species in resident fish substitution projects. The template will be developed by the Council, ISRP, and relevant agencies and tribes. The criteria for assessing consequences of substitution will be considered based on subbasin and basinwide objectives.

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Resident Fish Substitution Environmental Risk Assessment

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  1. 2009 NPCC Fish and Wildlife Program: Resident Fish Substitution • “All proposals for ongoing and new resident fish substitution projects that involve a non-native species should include an environmental risk assessment of potential impacts on native fish species.” • Start with ISAB’s risk assessment template • Council, ISRP, and appropriate fish and wildlife agencies and tribes will develop the final template. • “Council will consider the criteria currently being used by managers to assess consequences of substitution in the light of the Program’s subbasin and basinwide objectives”

  2. Page 46 • Description of the proposed resident fish substitution project • c. Have you included (Provide) clear statements of the rationale(s) for proposing the resident fish substitution, including explicit considerations of the biological, socioeconomic, and cultural benefits?

  3. Page 47 • 4. Distribution and abundance • What is the current distribution of the selected substitution species regionally, nationally, and within the affected river basins? • What is the current distribution of the selected substitution species regionally, nationally, and within the affected river basins?

  4. Page 47 • 5. Biology and life history • What are the general attributes of the species • proposed as the resident substitution species, • with specific considerations of its: • Origin in North American and the state and region (if known or unknown, range outside the continent?) • Taxonomy? (including closest species relatives) • Growth? • Age-at-maturity and longevity? • Reproduction? • Diseases? (both wild and hatchery situations) • Genetics? (see also 7 below)

  5. Page 48 • 6. Ecological factors and relationships with other species • What are the documented effects (within the basin, (regionally if information is not available for within the basin)) of the substitute species on each of the native fish species. with which it co-exists, nationally, regionally, and in the basin? • What are the documented effects (within the basin, (regionally if information is not available for within the basin)) of the substitute species on other aquatic taxa and aspects of the aquatic community. with which it co-exists, nationally, regionally, and in the basin?

  6. Page 49 14. Input from co-managers and other affected agencies Other agencies and stakeholders should be provided a copy of the Environmental Risk Assessment and be requested to comment on it. Their comments should be made available to the ISRP by being appended to the proposal when Submitted. Steps described under “14” should take place following the completion and successful review of the assessment questions and should not require an ISRP review.

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