Filters: Tags: community ecology (X) > Types: OGC WMS Layer (X)

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Benthic Community Dynamics in Coyote Creek and Artesian Slough, Southern San Francisco Bay, California, May 2016 to March 2018 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alviso Slough, Annelids, Aquatic Biology, Benthic Ecosystems, Benthos, All tags... Bivalves, California, Community Ecology, Coyote Creek, Crustaceans, Don Edwards San Francisco Bay National Wildlife Refuge, Ecology, San Francisco Bay, USGS Science Data Catalog (SDC), slough, Fewer tags Fish communities in Shenandoah Valley streams, 2021 From 16 June to 30 July, 2021, a Virginia Tech team of 4-6 sampled the fish community in 30 Shenandoah Valley streams (Virginia and West Virginia, USA) as part of a larger stream-health study including other teams who surveyed geomorphology, water quality, flow, temperature, macroinvertebrates, and fish health at the same 30 streams. The fish community team also sampled three additional bonus streams (SiteID's FOLL, NAKE, and TUMB) during 19-22 August, 2021. These 33 streams had upstream drainage areas of 7 to 46 sq. km and included 4 James River tributaries (SiteID's POAG, MLRB, CEDR, PISG), one Potomac River tributary (HARL), and 28 Shenandoah River tributaries. At each stream, we sampled fish from two reaches... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Augusta, Berkeley, Clarke, Ecology, Jefferson, All tags... Maury, Potomac, Rockbridge, Rockingham, Shenandoah, USGS Science Data Catalog (SDC), United States, Virginia, Warren, West Virginia, biota, community ecology, farming, field sampling, fish, freshwater ecosystems, river systems, Fewer tags USGS Benthic Laboratory The Benthic Lab investigates the benthic community throughout the San Francisco Bay and Sacramento Delta. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: aquatic biology, benthic, bivalves, community ecology