{"datasetrec":{"DasID":8790,"Acronym":"Hevring_Trout_Denmark","StandardTitle":"Acoustic receiver array in the River Hevring (2023-2028)","OrigTitle":null,"OrigTitleLangID":null,"OrigTitleLangCode":null,"OrigTitleLang":null,"OrigTitleLangNL":null,"VersionName":null,"ContactEmail":null,"VersionDate":null,"VersionDay":null,"VersionMonth":null,"VersionYear":null,"SizeReference":null,"EngAbstract":"<p>Anadromous fish such as Sea trout (<i>Salmo trutta</i>) hatch in freshwater and leave their natal river as young fish (smolt) to migrate to sea, where they will spend months to years foraging to attain a larger size, and thus higher fecundity (Jonsson &amp; Jonsson 2003). In late autumn/early winter, during the breeding season, they return to their natal rivers to spawn (Thorstad et al. 2016). Some individuals die after spawning, but most survive and migrate seaward to repeat the cycle (Jonsson &amp; Jonsson 2002, Bendall et al. 2005). Those survivors are termed kelt (Bendall et al. 2005, Östergren &amp; Rivinoja 2008). Most of our knowledge on sea trout migrations towards the sea is in systems with fjords (Finstad et al. 2005, del Villar-Guerra et al. 2014, Kristensen et al. 2019). Very little is known about the smolt and the kelt that migrate from rivers that flow directly into the sea, thus our understanding of the threats they may face in these systems remains poor. This project will investigate the behaviour and threats that brown trout face in such systems using telemetry. Acoustic receivers (THELMA BIOTEL) will be deployed in the river Hevring to detected brown trouts tagged with acoustic telemetry tags (THELMA BIOTEL)</p>","EngDescr":null,"OrigAbstract":null,"OrigDescr":null,"Comments":null,"ReleaseDate":null,"ReleaseDate0":null,"OrigDescrLang":null,"EmbargoDate":null,"OrigDescrLangNL":null,"OrigLangCode":null,"OrigLangCodeExtended":null,"OrigLangID":null,"DescrCompFlag":null,"DescrTransFlag":null,"Citation":"Aarestrup, K.; Birnie-Gauvin, K.; Peddacini, M.; Jepsen, N. Acoustic receiver array in the River Hevring (2023-2028)","AccessConstraints":null,"UDate":"2025-04-02","CDate":"2025-04-02","CurrencyDate":null,"RevisionDate":null,"DateLastModified":{"date":"2025-07-02 08:33:20.512335","timezone_type":1,"timezone":"+02:00"},"CheckedFlag":0,"PublicFlag":1,"VlizCoreFlag":1,"MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"StatusID":1,"DasType":"Data","DasTypeID":1,"DasOrigin":"Sensor platform","Progress":"In Progress","AccessConstraint":"Attribution (CC BY)","AccConstrEN":"Attribution (CC BY)","AccConstrDisplay":"<a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\" target=\"_blank\"><img alt=\"Creative Commons License\" style=\"border:0px;height:15px;width:80px;vertical-align:middle;\" src=\"https://www.marinespecies.org/aphia/images/cc/by.png\" /></a> This dataset is licensed under a <a rel=\"license\" href=\"https://creativecommons.org/licenses/by/4.0/\" target=\"_blank\">Creative Commons Attribution 4.0 International License</a>.","License":"https://creativecommons.org/licenses/by/4.0/","AccConstrDescription":"This license lets others distribute, remix, tweak, and build upon your work, even commercially, as long as they credit you for the original creation. This is the most accommodating of licenses offered. Recommended for maximum dissemination and use of licensed materials.","Lineage":null,"AccConID":21},"dois":null,"spcols":[{"SpColID":1000,"SpName":"European Tracking Network"}],"keywords":[{"ThesaurusTerm":"Acoustic arrays","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":"c_2cdfca90","Description":null,"OrigThesTerm":"Acoustic arrays","DutchTerm":null,"URI":"http://aims.fao.org/aos/agrovoc/c_2cdfca90","DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic data","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":"c_54b338c3","Description":null,"OrigThesTerm":"Acoustic data","DutchTerm":null,"URI":"http://aims.fao.org/aos/agrovoc/c_54b338c3","DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic detection","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":null,"Description":null,"OrigThesTerm":"Acoustic detection","DutchTerm":null,"URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic devices","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":null,"Description":null,"OrigThesTerm":"Acoustic devices","DutchTerm":null,"URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic receivers","ThesTypID":0,"ThesType":null,"Code":null,"Description":null,"OrigThesTerm":"Acoustic receivers","DutchTerm":null,"URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic telemetry","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":"c_3563933f","Description":null,"OrigThesTerm":"Acoustic telemetry","DutchTerm":null,"URI":"http://aims.fao.org/aos/agrovoc/c_3563933f","DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic Telemetry","ThesTypID":30,"ThesType":"ETN Context","Code":null,"Description":"Acoustic telemetry uses acoustic signals (also called ‘pings’) which propagate into the water, and are detected by acoustic receivers","OrigThesTerm":"Acoustic Telemetry","DutchTerm":"Akoestische Telemetrie","URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic tracking","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":null,"Description":null,"OrigThesTerm":"Acoustic tracking","DutchTerm":null,"URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic tracking","ThesTypID":4,"ThesType":"CAB Thesaurus","Code":"5296","Description":null,"OrigThesTerm":"Acoustic tracking","DutchTerm":null,"URI":"https://id.cabi.org/cabt/5296","DasKeywordDescr":null},{"ThesaurusTerm":"Acoustic tracking systems","ThesTypID":1,"ThesType":"ASFA Thesaurus List","Code":null,"Description":null,"OrigThesTerm":"Acoustic tracking systems","DutchTerm":null,"URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"ANE, Kattegat","ThesTypID":34,"ThesType":"ASFA Geoterms","Code":null,"Description":null,"OrigThesTerm":"ANE, Kattegat","DutchTerm":null,"URI":null,"DasKeywordDescr":null},{"ThesaurusTerm":"Network Project","ThesTypID":30,"ThesType":"ETN Context","Code":null,"Description":"Project metadata related to receivers and deployments","OrigThesTerm":"Network Project","DutchTerm":"Network Project","URI":null,"DasKeywordDescr":null}],"parents":[{"DasID":5912,"Acronym":null,"EngAbstract":"The European Tracking Network is a pan-European biotelemetry network that aims at the integration of regional telemetry initiatives into a sustainable, efficient and integrated network embedded in the international context. Data is integrated in the ETN data system that is part of the ETN virtual lab developed by LifeWatch.","License":"https://creativecommons.org/licenses/by/4.0/","StandardTitle":"European Tracking Network (ETN) data","doi":null,"vlizDoi":null}],"children":null,"othrel":null,"othrelrev":[{"DasID":8793,"Acronym":"Hevring_Trout_Denmark","StandardTitle":"River Hevring Seatrout behaviour (2023-2028)","Relation":"Related Dataset","RelationY":"Related Dataset","RelID":11,"doi":null,"vlizDoi":null}],"ownerships":[{"OrderNr":1,"Surname":"Aarestrup","Firstname":"Kim","Initials":"K.","PerPublicFlag":1,"AdrID":161019,"Email":"kaa@aqua.dtu.dk","InsPublicFlag":1,"Acronym":"DTU Aqua","OrigNameLangCode":"da","OrigNameLangID":12,"FullOrigName":"Danmarks Tekniske Universitet; Institut for Akvatiske Ressourcer","InsOwnerCNT":7,"PersID":35670,"InsID":9029,"FullInstitute":"Technical University of Denmark; National Institute of Aquatic Resources","RoleID":59,"Role":"Principal Investigator","OrigName":"Institut for Akvatiske Ressourcer","StandardName":"National Institute of Aquatic Resources","FullAcronym":"DTU-DTU Aqua","ORC":"https://orcid.org/0000-0001-8521-6270","ROR":null},{"OrderNr":2,"Surname":"Aarestrup","Firstname":"Kim","Initials":"K.","PerPublicFlag":1,"AdrID":161019,"Email":"kaa@aqua.dtu.dk","InsPublicFlag":1,"Acronym":"DTU Aqua","OrigNameLangCode":"da","OrigNameLangID":12,"FullOrigName":"Danmarks Tekniske Universitet; 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