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Found 56 dataset(s) matching "benthic index".
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Combined benthic macroinvertebrate indices and landscape data used in random forest analysis. Data is from the 2008/2009 National Rivers and Streams Assessment. All data and meta data are also...
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This collection comprises the Environmental Sensitivity Index (ESI) data for various regions in U.S. coastal waters. ESI data characterize estuarine environments and wildlife by their sensitivity...
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This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. In 2007 - State leaders in Maryland took a bold step in their efforts to restore the Chesapeake Bay with the...
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This data release links fish survey data from a suite of programs in the Chesapeake Bay watershed as well the benthic macroinvertebrate sites included in the Chesapeake Bay Basin-wide Index of...
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During 2013-2017, the U.S. Geological Survey, National Water-Quality Assessment (NAWQA) Project, collected water samples year-round from the National Water Quality Network – Rivers and Streams...
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This data release links benthic macroinvertebrate sites to both the NHDPlus Version 2 and NHDPlus High Resolution Region 02 networks, hereafter referred to as V2 and HR, using the hydrolink...
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The National Centers for Coastal Ocean Science (NCCOS), Center for Coastal Monitoring and Assessment, Biogeography Branch (CCMA-BB) worked with partners to assess and characterize the marine...
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Biological indicator taxa have long been used for integrative assessments of water quality, particularly benthic invertebrate groups such as arthropods. While standardized protocols have been...
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Metrics describing watershed hydrology, stream hydraulics, stream geomorphology, physicochemical processes, and aquatic biology were used to assess a 1.72 km reach of stream above the U.S....
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Shore-based belt and habitat quadrats were surveyed using transects at 1 to ~5 m depths at a total seven (7) sites: at (1-2) 2 longshore sites on the leeward coast (South Kohala district) of the...
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Shore-based belt transects were conducted and habitat quadrats were surveyed using transects at 1 to ~ 5 m depths at a total four (4) sites: at (1-2) 2 longshore sites on the leeward coast (South...
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This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The stream reaches are color coded according to the Combined Index of Biotic Integrity (CIBI) scores of...
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The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
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The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
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We used 14 years (10-01-1999 to 09-30-2014) of biological data (benthic macroinvertebrate and stream fish community data and complementary biological metrics) that was collected from Alabama...
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This dataset provides analysis results for recent status of and trends in 44 fish and 99 macroinvertebrate assemblages in the Chesapeake Bay watershed. For both biological datasets a multi-metric...
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These files contain ground-truth data collected in support of Submerged Marine Habitat Mapping at Cape Cod National Seashore. Files include data concerning CTD profiles, sampling locations,...
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Four data sets are included here to aid in assessing the influence of substrate complexity on kelp forest ecosystem stability. One data set consists of counts of a suite of kelps and benthic...
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These data sets show the distribution of key species and habitats, such as seabirds, bathymetry, surficial sediments, deep sea corals, and oceanographic habitats. NOAA’s Biogeography Branch worked...
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R code and data files used to identify diatom metrics that are robust to taxonomic inconsistency. The R code run a goodness of fit analysis to determine how much variation is explained by analyst...
