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G00559 11 FLANNELMOUTH SUCKER (FMS) & OTHER NATIVE FISH MO 8: Achieve healthy, self-sustaining populations offlannelmouth sucker, bluehead sucker, and speckled dace in the Colorado River ecosystem, with special emphasis on flannelmouth sucker in Glen Canyon based upon the capability of the habitat to support those fishes. IN 8.1 Determine the status of flannelmouth sucker, bluehead sucker, and speckled dace in the Colorado River ecosystem, with special emphasis on flannelmouth sucker in Glen Canyon. IN 8.2 Determine population dynamics, distribution, and other life history traits of native fish species. IN 8.3 Determine historic and current character and structure of native fish populations. IN 8.4 Determine historic and current ecosystem requirements (habitat, spacing, food source, interdependencies, etc.) of native fish species. IN 8.5 Determine and define impacts of alternative flow regimes on native fish population character and structure. IN 8.6 Determine requirements to maintain/enhance self-sustaining populations of native fish. (IN's 10.1 through 10.14 were moved to Appendix Biological Resources 2) MO 9: Attain riverine conditions, including appropriate habitat, that support all life stages of endangered and native fish species. IN 9.1 Design experimental flows and studies to include high steady flows in the spring and low steady flows in the summer and fall during low water years (RPM I.A). Improve the mean for determining the definition of a "low water year" that would initiate research flows in a given year. IN 9.2 Quantify to the extent possible the effects of spring high steady flows and summer and fall low steady flows on endangered and native fish (RPM l.a). IN 9.3 Determine relationships among tributary hydrology, reproductive success of fishes, and the abundance of fishes in mainstem rearing habitats (RPM l.c.ii). Revised 6-10-98