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Susan Morrison <br />July 21, 1992 <br />Page 5 <br />Productivity assessments will be made at all nests <br />identified unless, in the judgment of the field <br />biologist, such assessments may jeopardize <br />successful nesting. <br />Terrestrial invertebrates <br />No studies are proposed. Data collected from <br />sweep-net studies conducted at Seneca II and Seneca <br />II-W will be used to support the Yoast permit <br />application. <br />Aquatic Vertebrates and Invertebrates <br />An aquatic survey will be conducted in flowing <br />portions of Sage Creek and Grassy Creek to a point <br />no further than three miles downstream from the <br />proposed permit area. The survey will be designed <br />to investigate the existence of biological <br />communities as defined by regulation. <br />Surveys will consist of placement of multi-plate <br />substrate samplers in appropriate flowing habitat <br />in the stream channels. A minimum of three <br />samplers will be placed in each stream at various <br />locations, depending upon flowing habitat <br />availability. Samplers will be installed for 45 to <br />60 days from mid-April to mid-June. At the time of <br />installation and de-installation, dip-netting will <br />be conducted in flowing reaches. Semi-qualitative <br />analysis will be conducted by utilizing constant <br />dip-net reaches and sampling intervals. Sampling <br />will be augmented with qualitative picking in <br />likely habitats (reeds, turning rocks, and wood <br />debris, etc.). <br />The data will be used to develop a species list, <br />assess dependence on flowing conditions, assess <br />reproduction, and assess relative abundance. <br />Threatened and Endangered Species <br />Threatened and endangered species, or other species <br />of high Federal or State interest will be assessed <br />during the consultation phase with the appropriate <br />agencies. Should such species exist in or near the <br />proposed permit area, habitat requirements and <br />availability will be quantified along with breeding <br />sites/habitats, roosting and lounging habitat, etc. <br />