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Cetacean and sea turtle observations in the remote mid-atlantic (NW) ocean

2023Journal article Restricted
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dc.contributor.authorWachtendonk, Rachel
dc.contributor.authorSmultea, Mari A.
dc.contributor.authorPedrie, Kolby
dc.date.accessioned2024-01-16T11:03:11Z
dc.date.available2024-01-16T11:03:11Z
dc.date.issued2023
dc.description.abstractDue to its remoteness, little is known about the occurrence and abundance of cetaceans and sea turtles in the pelagic mid-Atlantic Ocean. Data on cetacean and sea turtle occurrence and distribution were collected by dedicated biological observers to address U.S. monitoring and mitigation requirements associated with a vessel based academic geophysical survey in international waters in the northwestern and mid -Atlantic Ocean from 14 June through 16 July 2018. A total of 6,949 km (503 h) of visual observations occurred while surveying north from Bermuda and ending in Woods Hole, Massachusetts. A total of 928 cetaceans representing at least 14 species and 15 sea turtles representing three species were observed. The most frequently observed cetacean species was the Atlantic white-sided dolphin (Lagenorhynchus acutus) (340 individuals; 37%) followed by the short-beaked common dolphin (Delphinus delphis) (286 individuals; 31%) and pilot whales (Globicephala spp.) (95 individuals; 10%). These sighting data also included an extralimital sighting of a sperm whale (Physeter macrocephalus) calf at 43.44 degrees N latitude and 36.85 degrees W longitude, and extralimital sightings of Atlantic white-sided dolphins below 38 degrees N latitude. Loggerhead sea turtles (Caretta caretta) were seen most frequently (6 individuals). This study addresses a data gap in documented occurrence and lack of occurrence of cetaceans and sea turtles over a large pelagic area in the northwestern Atlantic Ocean during summer.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1578/AM.49.6.2023.495pt_PT
dc.identifier.eissn0167-5427
dc.identifier.urihttp://hdl.handle.net/10400.1/20295
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAquatic Mammalspt_PT
dc.subjectCetaceanspt_PT
dc.subjectSperm whalept_PT
dc.subjectPhyseter macrocephaluspt_PT
dc.subjectAtlantic white-sided dolphinpt_PT
dc.subjectLagenorhynchus acutuspt_PT
dc.subjectGeophysicalpt_PT
dc.subjectBermudapt_PT
dc.subjectPelagicpt_PT
dc.titleCetacean and sea turtle observations in the remote mid-atlantic (NW) oceanpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage507pt_PT
oaire.citation.issue6pt_PT
oaire.citation.startPage495pt_PT
oaire.citation.titleAquatic Mammalspt_PT
oaire.citation.volume49pt_PT
person.familyNameWachtendonk
person.givenNameRachel
person.identifier.orcid0000-0002-6011-4283
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationbad8a2fa-4c72-4cb4-a857-663448b290cd
relation.isAuthorOfPublication.latestForDiscoverybad8a2fa-4c72-4cb4-a857-663448b290cd

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