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Album caption: View down and across Gens de Large River from fork point near Head Forks, 7 miles above Camp 28 at mouth of Portage Creek or 204 miles above mouth of river, looking S. 65 degrees east. Index card: Panorama with 314. Note: Panorama with sfc00314.
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Benthic invertebrate communities are monitored because the composition of those communities can affect and be affected by the water quality of an aquatic system. Benthic communities use and sometimes regulate the cycling of essential elements (for example, carbon). Benthic invertebrate taxa may also indicate acute and chronic stressors in an environment because they accumulate contaminants and can respond – sometimes dramatically - to oligotrophic and eutrophic conditions. Benthic communities affect water quality by grazing pelagic food resources and increasing the rate of nutrient regeneration through feeding and bioturbating sediments. South San Francisco Bay is a system dependent on phytoplankton as the base...


    map background search result map search result map View down and across Gens de Large River from fork point near Head Forks. Chandalar district, Southwestern Alaska region, Alaska. 1899. Benthic Community Dynamics in Coyote Creek and Artesian Slough, Southern San Francisco Bay, California, May 2016 to March 2018 Benthic Community Dynamics in Coyote Creek and Artesian Slough, Southern San Francisco Bay, California, May 2016 to March 2018 View down and across Gens de Large River from fork point near Head Forks. Chandalar district, Southwestern Alaska region, Alaska. 1899.