Filters: Tags: Invertebrates (X) > partyWithName: Mark D Munn (X)

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The quality of our Nation’s water—Understanding the influence of nutrients on stream ecosystems in agricultural landscapes—supplemental data In the contiguous United States there are approximately 5 million kilometers of streams and rivers, which contain a diversity of aquatic species including microbes, aquatic vegetation (algae and plants), invertebrates, and fish, all of which play key roles in structuring the food web that sustains aquatic life, wildlife, and in some cases humans. Over the last 50 years, human actions have profoundly altered the natural input and cycling of nutrients (nitrogen and phosphorus) through the environment and greatly increased the amount of nutrients transported to our streams, rivers, and estuaries. Although nutrients are essential for a healthy aquatic ecosystem, excess nutrients can affect aquatic and human health.... Categories: Data; Types: Citation; Tags: USGS Science Data Catalog (SDC), United States of America, Water Quality, agriculture, algae, All tags... invertebrates, monitoring, streams, Fewer tags Gross Primary Production (GPP) data used in a USGS National Water Quality Project assessing nutrients in agricultural streams This dataset includes Gross Primary Production (GPP) estimates at 46 agricultural streams around the United States. GPP values are based upon the single-station dissolved oxygen method with data collected at 5-min intervals over a 24-hour period. GPP data is presented as grams dissolved oxygen per meter square per day. Categories: Data; Tags: United States of America, agriculture, algae, ecosystem monitoring, freshwater ecosystems, All tags... invertebrates, stream, Fewer tags Dissolved oxygen data used in a USGS National Water Quality Project assessing nutrients in agricultural streams This dataset includes dissolved oxygen data collected at 5-min intervals over a 24-hour period at three agricultural streams: Maple Creek in NE (2004), Morgan Creek in Delaware (2004) and Stalker Creek in Idaho (2007). Categories: Data; Tags: United States of America, agriculture, algae, ecosystem monitoring, freshwater ecosystems, All tags... invertebrates, stream, Fewer tags Water temperature and dissolved oxygen data from Stalker Creek, Idaho, used in a USGS National Water Quality Project assessing nutrients in agricultural streams This dataset includes water temperature and dissolved oxygen collected during July 2007 from Stalker Creek in Idaho. Data was collected at 3 minute intervals over several days. Categories: Data; Tags: United States of America, agriculture, algae, ecosystem monitoring, freshwater ecosystems, All tags... invertebrates, stream, Fewer tags Biological metrics used in a USGS National Water Quality Project assessing nutrients in agricultural streams This dataset includes algal and invertebrate metrics used to assess water quality conditions in agricultural streams of the Midwest. Data was collected in wadable streams from 2003 to 2008. Data includes two benthic algal metrics (percent eutrophic taxa and observed taxa/expected taxa) and two benthic invertebrate metrics (EPT taxa and observed taxa/expected taxa). Categories: Data; Tags: United States of America, agriculture, algae, ecosystem monitoring, freshwater ecosystems, All tags... invertebrates, stream, Fewer tags