47906 me_wells01_benthos-meta Data Set Published / External 37225 Benthic Project Completed 2004-09-30 In fall 2001, researchers from the Wells National Estuarine Research Reserve, Virginia Institute of Marine Science, and the NOAA Office for Coastal Management conducted a project to map benthic habitats in the York and Webhannet rivers in southern Maine. The team completed two weeks of fieldwork in September 2001, collecting sediment profile images at 382 stations and sediment grab samples at 93 stations. This data set represents the benthic community information gathered from grab sampling. Original contact information: Contact Name: Dr. Michele Dionne Contact Org: Wells National Estuarine Research Reserve Phone: (207) 646-1555 The Wells Reserve is using the 2001 grab and SPI information to characterize benthic habitats within the York and Webhannet rivers, and to examine relationships between animal communities and sediment characteristics as well as the potential effects of dredging activities. Identification and enumeration of infauna, biomass, and benthic community parameters were measured from the benthic grab samples. These data were collected to examine community distributions throughout Webhannet and York Rivers. 10063 Theme Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > BENTHIC Theme Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > COASTAL Theme Global Change Master Directory (GCMD) Science Keywords EARTH SCIENCE > BIOSPHERE > ECOSYSTEMS > MARINE ECOSYSTEMS > ESTUARY Theme ISO 19115 Topic Category biota Theme ISO 19115 Topic Category environment Spatial Global Change Master Directory (GCMD) Location Keywords CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MAINE Theme Environmental Monitoring Theme GIS Theme OCM Benthic Habitat Mapping Theme benthic grab Theme benthos Theme geographic information systems Spatial Maine Spatial Webhannet River Spatial Wells Spatial York Spatial York River Office for Coastal Management Charleston SC Data Set None Planned Map (digital) While every effort has been made to ensure that these data are accurate and reliable within limits of the state of the art, NOAA will not assume any liability for damages caused by any inaccuracies in these data, or failure in their use. NOAA Office for Coastal Management 49318 benthos.dbf Published / External Completed Database file | Description Source: Unknown Converted from FGDC using 'fgdc_to_inport_xml_entity.pl' script. 1 FID Unknown No No Active Internal feature number. | Description Source: ESRI Sequential unique whole numbers that are automatically generated. 2 Shape Unknown No No Active Feature geometry. | Description Source: ESRI Coordinates defining the features. 3 STATION NUMBER No No Active Unique identifier for sample sites. | Description Source: NOAA Office for Coastal Management 101 - 888 4 RIVER VARCHAR No No Active Designates Webhannet and York sample sites. | Description Source: Unknown Webhannet: Unknown | York: Unknown | 5 LATITUDE NUMBER No No Active Latitude in decimal degrees. | Description Source: Unknown 43.12551 - 43.32913 6 LONGITUDE NUMBER No No Active Longitude in decimal degrees. | Description Source: Unknown -70.67694 - -70.55597 7 TOTAL_TAXA NUMBER No No Active Number of taxa present in sample. | Description Source: Unknown nominal 5 - 66 8 ABUNDANCE NUMBER No No Active Total number of infaunal organisms in sample. | Description Source: Unknown nominal 29 - 26,044 9 RICHNESS NUMBER No No Active Margalef's index calculated to measure the number of species present for a given number of individuals. | Description Source: Unknown nominal 0.65475 - 6.83547 10 EVENNESS NUMBER No No Active Pielou's Index value calculated to describe how equally the individuals in a sample are distributed among the different species. | Description Source: Unknown nominal 0.06671 - 0.873 11 DIVERSITY NUMBER No No Active Shannon-Weiner diversity index score. | Description Source: Unknown nominal 0.22462 - 2.53438 12 POLYCHAETA NUMBER No No Active Total abundance of all polychaetes. | Description Source: Unknown nominal 11 - 5729 13 OLIGOCHAET NUMBER No No Active Total abundance of all oligochaetes. | Description Source: Unknown nominal 0 - 1136 14 GASTROPODA NUMBER No No Active Total abundance of all gastropods. | Description Source: Unknown nominal 0 - 2143 15 BIVALVIA NUMBER No No Active Total abundance of all bivalves. | Description Source: Unknown nominal 0 - 22,940 16 AMPHIPODA NUMBER No No Active Total abundance of all amphipods. | Description Source: Unknown nominal 0 - 570 17 CRUSTACEA NUMBER No No Active Total abundance of all crustaceans (including Natantia and Reptantia). This field does not include amphipods as they are listed as a separate field. | Description Source: Unknown nominal 0 - 7 18 OTHER NUMBER No No Active Total abundance of all other organisms. Other organisms for Webhannet River include Mysidacea, Tanaidacea, Isopoda, Insecta, Urochordata, and additional miscellaneous. Other organisms for York River include Mollusca, Mysidacea, Tanaidacea, Insecta, Isopoda, Phorondia, Echinodermata, Urochordata, and additional miscellaneous. | Description Source: Unknown nominal 0 - 369 19 CLUSTER_GR VARCHAR No No Active Groups of stations with similar communities based on cluster analysis of species abundance (beta value = -0.25, Bray-Curtis similarity). | Description Source: Unknown W1: Mud Community (Webhannet River) | W2: Fine Sand Community (Webhannet River) | W3: Sand Community (Webhannet River) | W4: Coarse Sand Community (Webhannet River) | Y1: Hardbottom Community (York River) | Y2: Sand Community (York River) | Y3: Mud Community (York River) | Y4: Enriched Mud Community | 20 CLUSTER_NA Unknown No No Active Name of groups assigned by cluster analysis based on sediment characteristics. | Description Source: Unknown Unknown Data Steward 2004-09-30 Organization NOAA Office for Coastal Management NOAA/OCM coastal.info@noaa.gov 2234 South Hobson Ave Charleston SC 29405-2413 (843) 740-1202 https://coast.noaa.gov NOAA Office for Coastal Management Home Page Online Resource Distributor 2004-09-30 Organization NOAA Office for Coastal Management NOAA/OCM coastal.info@noaa.gov 2234 South Hobson Ave Charleston SC 29405-2413 (843) 740-1202 https://coast.noaa.gov NOAA Office for Coastal Management Home Page Online Resource Metadata Contact 2004-09-30 Organization NOAA Office for Coastal Management NOAA/OCM coastal.info@noaa.gov 2234 South Hobson Ave Charleston SC 29405-2413 (843) 740-1202 https://coast.noaa.gov NOAA Office for Coastal Management Home Page Online Resource Point of Contact 2004-09-30 Organization NOAA Office for Coastal Management NOAA/OCM coastal.info@noaa.gov 2234 South Hobson Ave Charleston SC 29405-2413 (843) 740-1202 https://coast.noaa.gov NOAA Office for Coastal Management Home Page Online Resource Ground Condition -70.682172 -70.55111 43.329201 43.125142 Range 2001-09-11 2001-09-18 Yes Yes 92 Unclassified Alternately, the data can be obtained by contacting the Wells National Estuarine Research Reserve. Address: 342 Laudholm Farm Road, Wells, Maine 04090 Phone: (207) 646-1555; None These data should be used for resource mapping and comparison purposes only. While every effort has been made to ensure that these data are accurate and reliable within limits of the state of the art, NOAA and the Wells Reserve will not assume any liability for damages caused by any inaccuracies in these data, or failure in their use. For use of these data in published analyses with the first two years of development, please contact Dr. Michele Dionne at the Wells Reserve for use permission. https://ocmgeodatastor1.blob.core.windows.net/benthic-data/Benthic/Grab_Sample_Data/ME_Wells_benthos.zip https://coast.noaa.gov/ NOAA's Office for Coastal Management (OCM) website Online Resource Information on the NOAA Office for Coastal Management (OCM) 2017-03-30 Date that the source FGDC record was last modified. 2017-11-14 Converted from FGDC Content Standard for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details. 2018-02-08 Partial upload of Positional Accuracy fields only. 2018-04-11 Partial upload to move data access FTP links to Distribution Info and remove broken URLs. Microsoft Windows 2000 Version 5.0 (Build 2195) Service Pack 4; ESRI ArcCatalog 8.3.0.800 Stations were located in the field using a differential Global Positioning System (GPS), and station coordinates, date and time of day were recorded upon arrival at each station. Not relevant to the data set. All grab data were not included in this data layer. Abundances for taxonomic groups, community diversity, species richness, evenness, total abundance, cluster group analyses, and abundance of species groups (polychaetes, oligochaetes, gastropods, bivalves, amphipods, crustaceans, and all others) were included in this data layer. Biomass data and abundance of individual species were not included, but these data can be found in the project database at the Wells Reserve. All data are believed to be logically consistent. Wells Reserve Benthic Survey, September 2001 C. Timothy Morris and Nancy K. Mountford of Cove Corporation (species identification)Lisa Scott of Versar, Inc. (biomass) Range 2001-09-11 2001-09-18 Benthic identifications were made by Cove Corporation and biomass determined by Versar, Inc. | Source Geospatial Form: None | Type of Source Media: database table 1 Field Methods: Grabs for sediments and benthos were collected from 11 to 18 September at a total of 93 stations. A Young grab, 0.044 m2 surface area, was deployed twice to collect a sample for substrate and a sample for benthic community data. The Young grab is the same sampler used by EPA in its Environmental Monitoring and Assessment Program (EMAP) and Mid-Atlantic Integrated Assessment (MAIA) programs. The Young grab is similar to a van Veen grab that has been placed in a frame to hold it level with the sediment surface while a sample is collected. Grabs without frames tend to twist and collect uneven samples. Because of its frame, the Young grab functions well in both soft and hard sediment. Laboratory Methods: A grab for benthic fauna was washed in the field over a 0.5-mm mesh screen and preserved in 10% Formalin. To facilitate the sorting process, Rose Bengal was added to the Formalin. In the laboratory each sample was washed over a 0.5-mm mesh screen with water and sorted to major taxonomic categories such as polychaetes, amphipods, and bivalves. After sorting, the organisms were identified and enumerated. Identifications were made at the lowest practical taxonomic level, usually species by Tim Morris (Cove Corporation, Lusby, MD; polychaetes, crustaceans, miscellaneous taxa) and Nancy Mountford (Cove Corporation; mollusks). After identification samples were placed in 2% Formalin and biomass determined by Lisa Scott (Versar Corporation, Columbia, MD). 2001-09-01T00:00:00 2 Data from field samples was entered into an Access database for the Wells, Maine benthic survey. A query was developed to review benthic community data from all grab sampling stations. See Entity and Attribute section for more information on data collected. A shapefile was created using the field data in the Access database to show spatial trends in benthic community distribution in the two rivers. 2004-05-01T00:00:00 49318 Entity gov.noaa.nmfs.inport:47906 Anne Ball 2017-11-14T12:57:33 Jesse Brass 2026-06-19T19:09:24 2018-04-11 Office for Coastal Management OCM 1002 Public No No 2018-04-11 1 Year 2019-04-11