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<br />". ,,?, <br /> <br />, ' ~. <br /> <br />Chapter 1 - Gather Existing Information <br /> <br />River Land Management Plan Final Environmental Impact Statement (USDA <br />-FS-R2-FEIS, FY-76-02l. <br /> <br />7. Item/Title: An experimental analysis of biological factors contributing to <br />stream community structure. Ecology 61: 1283-1290. <br /> <br />Prepared by: B.L. Peckarsky and S.1. Dodson. <br /> <br />Date: 1980. <br /> <br />Abstract: Peckarsky in this work addresses the question of whether prey <br />densities of macroinvertebrates affects colonization by predators and other <br />competitors. Two streams are compared - a Wisconsin stream and the East <br />River in Gunnison, Colorado. Data regarding East River are presented on <br />page 1284 of the report. <br /> <br />8. Item/Title: Effect of Keystone Mine effluent on colonization of stream <br />benthos. Environmental Entomology 10:864-871. <br /> <br />Prepared by: <br /> <br />B.L. Peckarsky and K.Z. Cook. <br /> <br />Date: 1981. <br /> <br />Abstract: This study reveals that total number of live insects colonizing <br />cages were higher above the effluent of the Keystone Mine on Coal Creek. <br />The study was performed prior to the construction of the treatment plant <br />for acid mine drainage. Information regarding Coal Creek including velocity <br />of water and water chemistry are presented in the study. <br /> <br />9. ItemlTltle: Feeding habits and prey consumption of three predaceous <br />stoneflies (Plecoptera) in a mountain stream. Ecology 63:26-34. <br /> <br />Prepared by: <br /> <br />J.D. Allan <br /> <br />Date: 1982. <br /> <br />Abstract: The author used Cement Creek as a basis for studying habits of <br />stoneflies. A physical description of Cement Creek is presented on page 27 <br /> <br />42 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />