This is the OBIS extraction of the Ocean Tracking Network and South African Department of Agriculture, Forestry and Fisheries (DAFF) Goukou Estuary fish tracking, consisting of the release tagging metadata, i.e. the location and date when the tagged animal was released, and summarized detection events of tagged individuals.\n If readers are interested in the source dataset they may also inquire with the project PIs as listed here or on the OTN web site (https://members.oceantrack.org/project?ccode=SAF.GEFT).
Abstract:Estuaries are highly productive ecosystems that provide an important nursery function to many marine-spawning fish species. To gain a better understanding of the importance of these systems to estuary-associated species, knowledge on their movement patterns within estuaries is necessary. This is particularly relevant in the development of alternative management options such as estuarine protected areas (EPAs). The Goukou Estuary in the Western Cape has a formalised EPA within its boundaries, therefore this study aims at assessing the efficacy of this EPA by studying the movement behaviour of two important estuary-dependent fishery species with two very different movement behaviours.
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Accessed via the Ocean Tracking Network OBIS IPT on INSERT DATE https://doi.org/10.14286/aquya3 accessed via GBIF.org on 2025-12-17. accessed via GBIF.org on 2026-10-14.","identifier":"https://doi.org/10.14286/aquya3","citationProvidedBySource":true},"contactsCitation":[],"lockedForAutoUpdate":false,"createdBy":"6772852d-ca2e-496f-9bea-dcf86134cb19","modifiedBy":"jwaller","created":"2025-06-20T14:33:58.226+00:00","modified":"2025-12-17T18:56:01.817+00:00","contacts":[{"key":6147501,"type":"ORIGINATOR","primary":true,"userId":[],"firstName":"Ocean Tracking Network","lastName":"Data Centre","position":["Data Manager"],"email":["otndc@dal.ca"],"phone":["+1 (902) 494-4101"],"homepage":["https://members.oceantrack.org"],"organization":"Ocean Tracking Network","address":["Dalhousie University"],"city":"Halifax","province":"Nova Scotia","country":"CA","postalCode":"B3H 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S., Du Plessis, J., Cowley, P. yyyy. Goukou Estuary fish tracking. In: Acoustic Tracking Array Platform, Grahamstown South Africa / atap@saiab.ac.za Retrieved: 2014-04-29 from db.load.oceantrack.org","citationProvidedBySource":false}],"curatorialUnits":[],"taxonomicCoverages":[{"description":"Species included below are tagged by this project and have left any embargo. Other individuals or species may later be appended to this dataset.","coverages":[{"scientificName":"Lichia amia","commonName":"leerfish","rank":{"verbatim":"species","interpreted":"SPECIES"}},{"scientificName":"Pomadasys commersonnii","commonName":"spotted grunter","rank":{"verbatim":"species","interpreted":"SPECIES"}}]}],"geographicCoverages":[{"description":"EASTERN CAPE","boundingBox":{"minLatitude":-34.39,"maxLatitude":-34.38,"minLongitude":21.42,"maxLongitude":21.43,"globalCoverage":false}}],"temporalCoverages":[{"@type":"range","start":"2013-02-01T00:00:00.000+00:00","end":"2014-04-30T00:00:00.000+00:00"}],"keywordCollections":[{"thesaurus":"n/a","keywords":["ACOUSTIC TAGS"]},{"thesaurus":"Global Change Master Directory (GCMD)","keywords":["EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > ANIMALS/VERTEBRATES > FISH"]},{"thesaurus":"GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type.xml","keywords":["Occurrence"]},{"thesaurus":"GBIF Dataset Subtype Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_subtype.xml","keywords":["Observation"]},{"thesaurus":"GBIF Dataset Type Vocabulary: http://rs.gbif.org/vocabulary/gbif/dataset_type_2015-07-10.xml","keywords":["Samplingevent"]}],"project":{"title":"Goukou Estuary fish tracking","contacts":[{"type":"PRINCIPAL_INVESTIGATOR","primary":false,"userId":[],"firstName":"Steve","lastName":"Lamberth","position":[],"email":[],"phone":[],"homepage":[],"address":[]}],"funding":"OTN is a research and technology development initiative headquartered at Dalhousie University, in Halifax Nova Scotia. OTN is funded by the Canada Foundation for Innovation (CFI) and is grateful to have once received funding from the Natural Sciences and Engineering Research Council of Canada (NSERC) and the Social Sciences and Engineering Research Council of Canada (SSHRC). OTN is also grateful for the continued support from Research Nova Scotia, and OTN's host institution, Dalhousie University.","awards":[],"studyAreaDescription":"No study area description for this project was provided to OTN for publication.","designDescription":"A wide range of aquatic species are tagged with small electronic transmitters, surgically implanted or attached externally, which can operate for up to 20 years. Acoustic receivers arranged in line on the ocean floor as well as attached to buoys, gliders and large animals (e.g. grey seals) pick up the coded acoustic signals from these tags identifying each tagged sea creature that passes within half a kilometer of the receiver. Data collected by these listening stations are subsequently uploaded to one of many compatible data nodes, adding to the reach of an intercompatible network of networks designed and maintained by the Ocean Tracking Network, producing current and reliable records for every part of the globe. Certain classes of electronic tags and listening equipment (receivers) may also be outfitted or co-located with sensors to measure the ocean's temperature, depth, salinity, currents, chemistry, and other properties.","relatedProjects":[],"abstract":"Estuaries are highly productive ecosystems that provide an important nursery function to many marine-spawning fish species. To gain a better understanding of the importance of these systems to estuary-associated species, knowledge on their movement patterns within estuaries is necessary. This is particularly relevant in the development of alternative management options such as estuarine protected areas (EPAs). The Goukou Estuary in the Western Cape has a formalised EPA within its boundaries, therefore this study aims at assessing the efficacy of this EPA by studying the movement behaviour of two important estuary-dependent fishery species with two very different movement behaviours."},"samplingDescription":{"studyExtent":"Program started 2013-02-01 and ran until 2014-04-30","sampling":"Acoustic tags released.","qualityControl":"OTN species names are verified using the World Register of Marine Species (WoRMS). If species names on new data cannot be verified against (a) known valid names in OTN, and/or (b) WoRMs the Data Provider will be notified so they can check they are correct. Names that cannot be placed after checking with WoRMS are, where possible, placed on the basis of other authoritative sources, such as the Fishbase or ITIS; and once completely verified a request will be sent to WoRMS for addition of the verified species name.\nhttp://members.oceantrack.org/data/discovery/byspecies","methodSteps":["This resource was created by the Ocean Tracking Network Data Centre as a summarized representation of animal presence determined by electronic tagging efforts. Darwin Core (DwC) records were extracted from the OTN database and filtered and summarized according to international agreed-upon standards."]},"countryCoverage":[],"collections":[],"dataDescriptions":[{"name":"Goukou Estuary fish tracking","charset":"ASCII","url":"https://members.oceantrack.org/project?ccode=SAF.GEFT","format":"HTM"}],"dataLanguage":"eng","purpose":"These data are for display on the OBIS portal and associated mapping programs and for download to personal computers for ad-hoc end-user analysis.
","additionalInfo":"Access Constraints: none\nUse Constraints:\nAcknowledge the use of specific records from contributing databases in the form appearing in the 'Citation' field thereof (if any); and acknowledge the use of the OBIS facility.\n\nFor information purposes, email to info@obis.org the full citation of any publication made (printed or electronic) that cites OBIS or any constituent part.\n\nRecognize the limitations of data in OBIS. See https://manual.obis.org/policy.html#disclaimer for more details","pubDate":"2024-08-30T00:00:00.000+00:00","maintenanceUpdateFrequency":"UNKOWN","maintenanceDescription":"","license":"http://creativecommons.org/licenses/by/4.0/legalcode","dwca":{"coreType":"http://rs.tdwg.org/dwc/terms/Event","extensions":["http://rs.iobis.org/obis/terms/ExtendedMeasurementOrFact","http://rs.tdwg.org/dwc/terms/Occurrence"],"modified":"2026-07-12T15:03:27.824+00:00"},"category":["Tracking"],"approximateCounts":{"occurrenceCount":516}}