Data from: Latitudinal cline in the ratio of foraging dichotomy in the North Pacific population of loggerhead turtles revealed a priority conservation area

datacite.RelatedIdentifierhttps://doi.org/10.1111/ddi.13531
datacite.RelatedIdentifier.relatedIdentifierTypeDOI
datacite.RelatedIdentifier.relationTypeIsSupplementTo
dc.contributor.authorOkuyama, Junichi
dc.contributor.authorWatabe, Akemi
dc.contributor.authorTakuma, Shunichi
dc.contributor.authorTanaka, Kentaro
dc.contributor.authorShirai, Kotaro
dc.contributor.authorMurakami-Sugihara, Naoko
dc.contributor.authorArita, Mamiko
dc.contributor.authorFujita, Kento
dc.contributor.authorNishizawa, Hideaki
dc.contributor.authorNarazaki, Tomoko
dc.contributor.authorYamashita, Yoshiya
dc.contributor.authorKameda, Kazunari
dc.date.accessioned2022-12-22T14:04:41Z
dc.date.available2022-12-22T14:04:41Z
dc.date.issued2022-12-22
dc.date.submitted2022
dc.description.abstractAim: Quantifying the importance of habitat areas for conservation of highly migratory marine species with complex life histories can be challenging. For example loggerhead turtles (Caretta caretta) nesting in Japan forage both oceanically and neritically after their reproductive period. Here, we aimed to quantify the proportions of turtles using these two contrasting habitats (foraging dichotomy) to suggest priority conservation areas. Location: North Pacific Ocean. Methods: We examined the occurrence of foraging dichotomy at three nesting sites (Ishigaki, Okinoerabu Islands and Ichinomiya) based on stable isotope analysis of the egg yolks for 82 turtles and satellite tracking of post-nesting migration for 12 turtles. Moreover, we used the data of three other sites from previous studies (Yakushima Island, Minabe and Omaezaki). Results: Two neritic foraging grounds (East China Sea and the coastal area of the Japanese archipelago), and an oceanic ground (North Pacific Ocean) were identified. We found a latitudinal cline with respect to the occurrence of foraging dichotomy; >84% of the females nesting at southern sites (Ishigaki and Okinoerabu Islands), 73% at middle sites (Yakushima Island and Minabe) and <46% at northern sites (Omaezaki and Ichinomiya) were neritic foragers; the proportion of oceanic foragers increased at northern sites. Based on the annual number of nests in the entire nesting region of Japan, satellite tracking and the latitudinal cline of foraging dichotomy, we estimated that 70% and 9% of annual nesting females in Japan utilize the neritic foraging habitat in the East China Sea and the coastal area of the Japanese archipelago, respectively, and that and 22% utilize the oceanic habitat of the North Pacific Ocean. Main conclusions: The East China Sea represents a critical foraging habitat for the North Pacific populations of endangered loggerhead sea turtles. Our findings emphasize the need for international management to ensure their protection.
dc.identifier.doidoi:10.5441/001/1.m3c90703
dc.identifier.urihttps://datarepository.movebank.org/handle/10255/move.1350
dc.language.isoeng
dc.relationDiversity and Distributions
dc.relation.haspartdoi:10.5441/001/1.m3c90703/1
dc.relation.haspartdoi:10.5441/001/1.m3c90703/2
dc.relation.isreferencedbydoi:10.1111/ddi.13531
dc.rightsCC0 1.0 Universalen
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/
dc.subjectCaretta caretta
dc.subjectanimal tracking
dc.subjectArgos
dc.subjectCaretta caretta
dc.subjectconservation biology
dc.subjectloggerhead sea turtle
dc.subjectsatellite telemetry
dc.titleData from: Latitudinal cline in the ratio of foraging dichotomy in the North Pacific population of loggerhead turtles revealed a priority conservation area
dc.typeArticle
dspace.entity.typeData package
dwc.ScientificNameCaretta caretta
mdr.animal.count12
mdr.citation.BibTex
@misc{001/1_m3c90703,
  title = {Data from: Latitudinal cline in the ratio of foraging dichotomy in the North Pacific population of loggerhead turtles revealed a priority conservation area},
  author = {Okuyama, J and Watabe, A and Takuma, S and Tanaka, K and Shirai, K and Murakami-Sugihara, N and Arita, M and Fujita, K and Nishizawa, H and Narazaki, T and Yamashita, Y and Kameda, K},
  year = {2022},
  URL = {http://dx.doi.org/10.5441/001/1.m3c90703},
  doi = {doi:10.5441/001/1.m3c90703},
  publisher = {Movebank data repository}
}
mdr.citation.CSE
Okuyama J, Watabe A, Takuma S, Tanaka K, Shirai K, Murakami-Sugihara N, Arita M, Fujita K, Nishizawa H, Narazaki T, Yamashita Y, Kameda K. 2022. Data from: Latitudinal cline in the ratio of foraging dichotomy in the North Pacific population of loggerhead turtles revealed a priority conservation area. Movebank Data Repository. https://doi.org/10.5441/001/1.m3c90703
mdr.citation.RIS
TY  - DATA
ID  - doi:10.5441/001/1.m3c90703
T1  - Data from: Latitudinal cline in the ratio of foraging dichotomy in the North Pacific population of loggerhead turtles revealed a priority conservation area
AU  - Okuyama, Junichi
AU  - Watabe, Akemi
AU  - Takuma, Shunichi
AU  - Tanaka, Kentaro
AU  - Shirai, Kotaro
AU  - Murakami-Sugihara, Naoko
AU  - Arita, Mamiko
AU  - Fujita, Kento
AU  - Nishizawa, Hideaki
AU  - Narazaki, Tomoko
AU  - Yamashita, Yoshiya
AU  - Kameda, Kazunari
Y1  - 2022/12/22
KW  - Caretta caretta
KW  - animal movement
KW  - animal tracking
KW  - Argos
KW  - Caretta caretta
KW  - conservation biology
KW  - loggerhead sea turtle
KW  - satellite telemetry
KW  - Caretta caretta
PB  - Movebank data repository
UR  - http://dx.doi.org/10.5441/001/1.m3c90703
DO  - doi:10.5441/001/1.m3c90703
ER  -
mdr.journal.titleDiversity and Distributions
mdr.location.count17248
mdr.study.id1417866900
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