{"id":{"repo_id":"unt","oai_identifier":"info:ark/67531/metadc2756"},"canonical_url":"https://search.dev.ndltd.org/etd/unt/info:ark/67531/metadc2756","repository":{"repo_id":"unt","name":"University of North Texas","base_url":"https://digital.library.unt.edu/oai/"},"display":{"title":"Correspondence Between Aquatic Ecoregions and the Distribution of Fish Communities of Eastern Oklahoma","abstract":"I assessed fish community data collected by the Oklahoma Conservation Commission from 82 minimally impaired wadeable reference streams in eastern Oklahoma to determine whether existing aquatic ecoregions provide the best framework for spatial classification for the development of biological assessment methods and biocriteria. I used indirect ordination and classification to identify groups of sites that support similar fish communities. Although correspondence was observed between fish assemblages and three montane ecoregions, the classification system must be refined and expanded to include major drainage basins and physical habitat attributes for some areas to adequately partition variance in key measures of biological integrity. Results from canonical correspondence analysis indicated that substrate size and habitat type were the primary physical habitat variables that influenced the fish species composition and community structure.","abstract_html":"I assessed fish community data collected by the Oklahoma Conservation Commission from 82 minimally impaired wadeable reference streams in eastern Oklahoma to determine whether existing aquatic ecoregions provide the best framework for spatial classification for the development of biological assessment methods and biocriteria. I used indirect ordination and classification to identify groups of sites that support similar fish communities. Although correspondence was observed between fish assemblages and three montane ecoregions, the classification system must be refined and expanded to include major drainage basins and physical habitat attributes for some areas to adequately partition variance in key measures of biological integrity. Results from canonical correspondence analysis indicated that substrate size and habitat type were the primary physical habitat variables that influenced the fish species composition and community structure.","abstract_has_math":false,"creators":["Howell, Charles E."],"institution":"University of North Texas","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Waller, William T.","Kennedy, James H.","La Point, Thomas W., 1949-","Dickson, Kenneth L."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2001,"date_issued":"2001-05","date_published":"2001-05","updated_at":"2026-07-24T05:34:52Z","subjects":["Aquatic ecology -- Oklahoma.","Fish communities -- Oklahoma.","Fishes -- Habitat -- Oklahoma.","Riparian forest","avian community","greenbelt corridor","Ray Roberts Greenbelt"],"languages":["English"],"rights":["Public","Copyright","Hoffman, Karl W.","Copyright is held by the author, unless otherwise noted. All rights reserved."],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["oclc: 48991988","untcat: b2353109","https://digital.library.unt.edu/ark:/67531/metadc2756/","ark: ark:/67531/metadc2756"],"render_values":[{"text":"oclc: 48991988","href":null,"code":true},{"text":"untcat: b2353109","href":null,"code":true},{"text":"https://digital.library.unt.edu/ark:/67531/metadc2756/","href":"https://digital.library.unt.edu/ark:/67531/metadc2756/","code":true},{"text":"ark: ark:/67531/metadc2756","href":null,"code":true}]}]},"links":{"outbound_url":"https://doi.org/10.12794/metadc2756","outbound_label":"DOI","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Waller, William T.","Kennedy, James H.","La Point, Thomas W., 1949-","Dickson, Kenneth L."]},{"key":"dc:creator","label":"Author","values":["Howell, Charles E."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2001-05"]},{"key":"dc:publisher","label":"Institution","values":["University of North Texas"]},{"key":"dc:type","label":"Dc Type","values":["Thesis or Dissertation"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Aquatic ecology -- Oklahoma.","Fish communities -- Oklahoma.","Fishes -- Habitat -- Oklahoma.","Riparian forest","avian community","greenbelt corridor","Ray Roberts Greenbelt"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["English"]},{"key":"dc:rights","label":"Dc Rights","values":["Public","Copyright","Hoffman, Karl W.","Copyright is held by the author, unless otherwise noted. 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Although correspondence was observed between fish assemblages and three montane ecoregions, the classification system must be refined and expanded to include major drainage basins and physical habitat attributes for some areas to adequately partition variance in key measures of biological integrity. Results from canonical correspondence analysis indicated that substrate size and habitat type were the primary physical habitat variables that influenced the fish species composition and community structure."]},{"key":"dc:format","label":"Dc Format","values":["Text"]},{"key":"dc:title","label":"Title","values":["Correspondence Between Aquatic Ecoregions and the Distribution of Fish Communities of Eastern Oklahoma"]}]}],"canonical_facts":{"dc:contributor":["Waller, William T.","Kennedy, James H.","La Point, Thomas W., 1949-","Dickson, Kenneth L."],"dc:creator":["Howell, Charles E."],"dc:date":["2001-05"],"dc:description":["I assessed fish community data collected by the Oklahoma Conservation Commission from 82 minimally impaired wadeable reference streams in eastern Oklahoma to determine whether existing aquatic ecoregions provide the best framework for spatial classification for the development of biological assessment methods and biocriteria. I used indirect ordination and classification to identify groups of sites that support similar fish communities. Although correspondence was observed between fish assemblages and three montane ecoregions, the classification system must be refined and expanded to include major drainage basins and physical habitat attributes for some areas to adequately partition variance in key measures of biological integrity. Results from canonical correspondence analysis indicated that substrate size and habitat type were the primary physical habitat variables that influenced the fish species composition and community structure."],"dc:format":["Text"],"dc:identifier":["oclc: 48991988","untcat: b2353109","doi: 10.12794/metadc2756","https://digital.library.unt.edu/ark:/67531/metadc2756/","ark: ark:/67531/metadc2756"],"dc:language":["English"],"dc:publisher":["University of North Texas"],"dc:rights":["Public","Copyright","Hoffman, Karl W.","Copyright is held by the author, unless otherwise noted. All rights reserved."],"dc:subject":["Aquatic ecology -- Oklahoma.","Fish communities -- Oklahoma.","Fishes -- Habitat -- Oklahoma.","Riparian forest","avian community","greenbelt corridor","Ray Roberts Greenbelt"],"dc:title":["Correspondence Between Aquatic Ecoregions and the Distribution of Fish Communities of Eastern Oklahoma"],"dc:type":["Thesis or Dissertation"]},"updated_at":"2026-07-24T05:34:52Z"}