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Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (3) OGC WFS Layer (3) OGC WMS Layer (3) Contacts C. LeAnn White James S White U.S. Geological Survey - ScienceBase U.S. Geological Survey Nancy J Thomas More... Categories Data (3) Tag Types Place (3) Theme (3) Harvest Set (3) USGS Scientific Topic Keyword (1) Tag Schemes Geographic Names Information System (1) CommonGeographicAreas (1) none (1) None (1) Common geographic areas (1) USGS (1) ISO 19115 Topic Category (2) More... View Results as: JSON ATOM CSV

Northern Sea Otter Aging Criteria: data Measurement of skull ossification patterns is a standard method for aging various mammalian species and has been used to age Russian, Californian, and Alaskan sea otter populations. Cementum annuli counts have also been verified as an accurate aging method for the Alaskan sea otter population. In this study, cementum annuli count results and skull ossification patterns were compared as methods for aging the northern sea otter (Enhydra lutris kenyoni) population in Washington State. Significant agreement was found between the two methods suggesting that either method could be used to age the Washington population of otters. This study also found that ossification of the squamosal-jugal suture at the ventral glenoid... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Age determination, Clallam, Grays Harbor, Jefferson, Pacific, All tags... USGS Science Data Catalog (SDC), Washington, age estimation methods, cementum annuli, dental assessment, morphometry, skull ossification, tooth eruption, tooth wear, 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 Comparison of environmental flow recommendations for the Willamette Basin Sustainable Rivers Program, water years 2008-2022 The U.S. Army Corps of Engineers (USACE) and the Nature Conservancy developed the Sustainable Rivers Program (SRP) as a collaborative environmental flows program to identify, refine, and implement environmental strategies at select USACE dams. The SRP was introduced to the Willamette Basin, Oregon, in 2007 through a series of environmental flow workshops, which led to stakeholder generated environmental flow recommendations in the North Santiam, South Santiam, Santiam (Bach and others, 2013), McKenzie, South Fork McKenzie (Risley and others, 2010), and Middle Fork Willamette Rivers (Gregory and others, 2007, https://www.hec.usace.army.mil/sustainablerivers/). This data release is a compilation of the stakeholder-defined... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Coburg, Eugene Water and Electric Board Canal, Foster Reservoir, Greens Bridge, Jasper, All tags... Jefferson, Leaburg, Leaburg Canal, McKenzie Riverr, North Santiam River, Oregon, Rainbow, Santiam River, South Santiam River, USGS Science Data Catalog (SDC), Vida, Walterville, Waterloo, Willamette River, freshwater ecosystems, hydrology, inlandWaters, river, streamflow, surface water, watershed management, Fewer tags