{"id":{"repo_id":"sdstate","oai_identifier":"oai:openprairie.sdstate.edu:etd-1197"},"canonical_url":"https://search.dev.ndltd.org/etd/sdstate/oai:openprairie.sdstate.edu:etd-1197","repository":{"repo_id":"sdstate","name":"South Dakota State University","base_url":"https://openprairie.sdstate.edu/do/oai/"},"display":{"title":"Evaluation of Fish Stocking in Southeastern South Dakota Ponds","abstract":"A mail survey was sent to owners of 220 ponds which had received hatchery fish. Based on 187 pond owner responses, at most 45 (24%) of the ponds still contained the fishes stocked. Pond dryness and/or winterkill attributed to the failure of 121 (65%) of the ponds. A subsequent field survey of 30 ponds identified fish populations of recreational value. Attempts were made to identify important pond parameters that contributed to successful fish populations. Aᵼ (percent harvestable fish), F/C (forage to carnivore ratio), balance (in or out), and a scale of balance were the dependent variable used to describe successful fish populations. Statistical analysis of the field survey data identified several significant (P .10) correlations. Alkalinity was negatively correlated with Aᵼ (percent harvestable fish). That is, as alkalinity levels increased, Aᵼ estimates decreased. Estimated pond size and secchi disk visibility were positively correlated with a scale of balance. That is, as estimated pond size increased or the depth to which the secchi disk was visible increased balance improved.","abstract_html":"A mail survey was sent to owners of 220 ponds which had received hatchery fish. Based on 187 pond owner responses, at most 45 (24%) of the ponds still contained the fishes stocked. Pond dryness and/or winterkill attributed to the failure of 121 (65%) of the ponds. A subsequent field survey of 30 ponds identified fish populations of recreational value. Attempts were made to identify important pond parameters that contributed to successful fish populations. Aᵼ (percent harvestable fish), F/C (forage to carnivore ratio), balance (in or out), and a scale of balance were the dependent variable used to describe successful fish populations. Statistical analysis of the field survey data identified several significant (P .10) correlations. Alkalinity was negatively correlated with Aᵼ (percent harvestable fish). That is, as alkalinity levels increased, Aᵼ estimates decreased. Estimated pond size and secchi disk visibility were positively correlated with a scale of balance. That is, as estimated pond size increased or the depth to which the secchi disk was visible increased balance improved.","abstract_has_math":false,"creators":["Peeters, Paul J."],"institution":null,"degree_name":"Master of Science (MS)","degree_level":"Thesis - Open Access","degree_discipline":"Wildlife and Fisheries Science","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1978,"date_issued":"1978-01-01T08:00:00Z","date_published":"1978-01-01T08:00:00Z","updated_at":"2026-07-24T04:27:36Z","subjects":["Natural Resources and Conservation"],"languages":["en"],"rights":["<p>No Copyright - Non-Commercial Use Only<br /><a href=\"http://rightsstatements.org/vocab/InC-EDU/1.0/\">http://rightsstatements.org/vocab/NoC-NC/1.0/</a></p>"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://openprairie.sdstate.edu/etd/197","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Peeters, Paul J."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_discipline","label":"Discipline","values":["Wildlife and Fisheries Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis - Open Access"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science (MS)"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Natural Resources and Conservation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["<p>No Copyright - Non-Commercial Use Only<br /><a href=\"http://rightsstatements.org/vocab/InC-EDU/1.0/\">http://rightsstatements.org/vocab/NoC-NC/1.0/</a></p>"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://openprairie.sdstate.edu/etd/197"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["A mail survey was sent to owners of 220 ponds which had received hatchery fish. Based on 187 pond owner responses, at most 45 (24%) of the ponds still contained the fishes stocked. Pond dryness and/or winterkill attributed to the failure of 121 (65%) of the ponds. A subsequent field survey of 30 ponds identified fish populations of recreational value. Attempts were made to identify important pond parameters that contributed to successful fish populations. Aᵼ (percent harvestable fish), F/C (forage to carnivore ratio), balance (in or out), and a scale of balance were the dependent variable used to describe successful fish populations. Statistical analysis of the field survey data identified several significant (P .10) correlations. Alkalinity was negatively correlated with Aᵼ (percent harvestable fish). That is, as alkalinity levels increased, Aᵼ estimates decreased. Estimated pond size and secchi disk visibility were positively correlated with a scale of balance. That is, as estimated pond size increased or the depth to which the secchi disk was visible increased balance improved."]},{"key":"dc:title","label":"Title","values":["Evaluation of Fish Stocking in Southeastern South Dakota Ponds"]}]}],"canonical_facts":{"dc:creator":["Peeters, Paul J."],"dc:description.abstract":["A mail survey was sent to owners of 220 ponds which had received hatchery fish. Based on 187 pond owner responses, at most 45 (24%) of the ponds still contained the fishes stocked. Pond dryness and/or winterkill attributed to the failure of 121 (65%) of the ponds. A subsequent field survey of 30 ponds identified fish populations of recreational value. Attempts were made to identify important pond parameters that contributed to successful fish populations. Aᵼ (percent harvestable fish), F/C (forage to carnivore ratio), balance (in or out), and a scale of balance were the dependent variable used to describe successful fish populations. Statistical analysis of the field survey data identified several significant (P .10) correlations. Alkalinity was negatively correlated with Aᵼ (percent harvestable fish). That is, as alkalinity levels increased, Aᵼ estimates decreased. Estimated pond size and secchi disk visibility were positively correlated with a scale of balance. That is, as estimated pond size increased or the depth to which the secchi disk was visible increased balance improved."],"dc:identifier":["https://openprairie.sdstate.edu/etd/197"],"dc:language":["en"],"dc:rights":["<p>No Copyright - Non-Commercial Use Only<br /><a href=\"http://rightsstatements.org/vocab/InC-EDU/1.0/\">http://rightsstatements.org/vocab/NoC-NC/1.0/</a></p>"],"dc:subject":["Natural Resources and Conservation"],"dc:title":["Evaluation of Fish Stocking in Southeastern South Dakota Ponds"],"thesis:degree_discipline":["Wildlife and Fisheries Science"],"thesis:degree_level":["Thesis - Open Access"],"thesis:degree_name":["Master of Science (MS)"]},"updated_at":"2026-07-24T04:27:36Z"}