Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific
The northwestern Pacific region is an important habitat for sea turtles, hosting five species out of seven. There is still limited information available about the sea turtle aggregations around the Korean Peninsula, which is the northern boundary for many sea turtle species in the western Pacific ar...
| Main Authors: | , , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Frontiers Media S.A.
2024-02-01
|
| Series: | Frontiers in Marine Science |
| Subjects: | |
| Online Access: | https://www.frontiersin.org/articles/10.3389/fmars.2024.1281897/full |
| _version_ | 1797305213298671616 |
|---|---|
| author | Sook-Jin Jang Sook-Jin Jang Kyungsik Jo Kyungsik Jo Soojin Jang Hideaki Nishizawa Miyeon Kim George Balazs Jibin Im Ho Young Suk Byung-Yeob Kim Taewon Kim Taewon Kim |
| author_facet | Sook-Jin Jang Sook-Jin Jang Kyungsik Jo Kyungsik Jo Soojin Jang Hideaki Nishizawa Miyeon Kim George Balazs Jibin Im Ho Young Suk Byung-Yeob Kim Taewon Kim Taewon Kim |
| author_sort | Sook-Jin Jang |
| collection | DOAJ |
| description | The northwestern Pacific region is an important habitat for sea turtles, hosting five species out of seven. There is still limited information available about the sea turtle aggregations around the Korean Peninsula, which is the northern boundary for many sea turtle species in the western Pacific area. The present study aims to investigate the migratory route of sea turtles visiting Jeju Island. Five species of sea turtles were identified from by-catch and stranding data between 2013 and 2022 on Jeju Island in Korea: green (Chelonia mydas; 24 individuals), loggerhead (Caretta caretta; 9), hawksbill (Eretmochelys imbricata; 2), olive ridley (Lepidochelys olivacea; 2), and leatherback (Dermochelys coriacea; 1). Mixed stock analysis using mitochondrial DNA haplotypes revealed that Jeju green turtles primarily originate from the rookeries of the Japanese Archipelago. This connectivity between two regions was also supported by the similar genetic composition of loggerhead turtles. Similarly, satellite tracking data showed that several green turtles originating from Jeju Island migrated to waters near the Ryukyu Archipelago in Japan. Nevertheless, about 60% of the tracked green turtles stayed near Jeju Island, with most overwintering there, indicating the long residency in Jeju Island. This study also provides the genetic sequences of other three species including new orphan haplotypes of hawksbill and olive ridley turtles. Our findings suggest that Jeju Island serves as a stable foraging habitat and provide insight into understanding the habitat range of sea turtles in the western Pacific. |
| first_indexed | 2024-03-08T00:21:44Z |
| format | Article |
| id | doaj.art-2d5b2a60689f4bb7a1fa66f823440787 |
| institution | Directory Open Access Journal |
| issn | 2296-7745 |
| language | English |
| last_indexed | 2024-03-08T00:21:44Z |
| publishDate | 2024-02-01 |
| publisher | Frontiers Media S.A. |
| record_format | Article |
| series | Frontiers in Marine Science |
| spelling | doaj.art-2d5b2a60689f4bb7a1fa66f8234407872024-02-16T04:39:52ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452024-02-011110.3389/fmars.2024.12818971281897Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western PacificSook-Jin Jang0Sook-Jin Jang1Kyungsik Jo2Kyungsik Jo3Soojin Jang4Hideaki Nishizawa5Miyeon Kim6George Balazs7Jibin Im8Ho Young Suk9Byung-Yeob Kim10Taewon Kim11Taewon Kim12Ocean Georesources Research Department, Korea Institute of Ocean Science and Technology, Busan, Republic of KoreaBK21 Center for Precision Medicine & Smart Engineering, Inha University, Incheon, Republic of KoreaProgram in Biomedical Science and Engineering, Inha University, Incheon, Republic of KoreaDepartment of Ocean Sciences, Inha University, Incheon, Republic of KoreaMarine Animal Research and Conservation, Jeju, Republic of KoreaGraduate School of Informatics, Kyoto University, Kyoto, JapanMarine Animal Research and Conservation, Jeju, Republic of KoreaGolden Honu Services of Oceania, Honolulu, HI, United StatesDepartment of Ocean Sciences, Inha University, Incheon, Republic of KoreaDepartment of Life Sciences, Yeungnam University, Gyeongsan, Republic of KoreaCollege of Ocean Sciences, Jeju National University, Jeju, Republic of KoreaProgram in Biomedical Science and Engineering, Inha University, Incheon, Republic of KoreaDepartment of Ocean Sciences, Inha University, Incheon, Republic of KoreaThe northwestern Pacific region is an important habitat for sea turtles, hosting five species out of seven. There is still limited information available about the sea turtle aggregations around the Korean Peninsula, which is the northern boundary for many sea turtle species in the western Pacific area. The present study aims to investigate the migratory route of sea turtles visiting Jeju Island. Five species of sea turtles were identified from by-catch and stranding data between 2013 and 2022 on Jeju Island in Korea: green (Chelonia mydas; 24 individuals), loggerhead (Caretta caretta; 9), hawksbill (Eretmochelys imbricata; 2), olive ridley (Lepidochelys olivacea; 2), and leatherback (Dermochelys coriacea; 1). Mixed stock analysis using mitochondrial DNA haplotypes revealed that Jeju green turtles primarily originate from the rookeries of the Japanese Archipelago. This connectivity between two regions was also supported by the similar genetic composition of loggerhead turtles. Similarly, satellite tracking data showed that several green turtles originating from Jeju Island migrated to waters near the Ryukyu Archipelago in Japan. Nevertheless, about 60% of the tracked green turtles stayed near Jeju Island, with most overwintering there, indicating the long residency in Jeju Island. This study also provides the genetic sequences of other three species including new orphan haplotypes of hawksbill and olive ridley turtles. Our findings suggest that Jeju Island serves as a stable foraging habitat and provide insight into understanding the habitat range of sea turtles in the western Pacific.https://www.frontiersin.org/articles/10.3389/fmars.2024.1281897/fullsea turtlesgenetic connectivitysatellite trackingnatal originforaging ground |
| spellingShingle | Sook-Jin Jang Sook-Jin Jang Kyungsik Jo Kyungsik Jo Soojin Jang Hideaki Nishizawa Miyeon Kim George Balazs Jibin Im Ho Young Suk Byung-Yeob Kim Taewon Kim Taewon Kim Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific Frontiers in Marine Science sea turtles genetic connectivity satellite tracking natal origin foraging ground |
| title | Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific |
| title_full | Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific |
| title_fullStr | Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific |
| title_full_unstemmed | Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific |
| title_short | Connectivity between sea turtles off Jeju Island on the Korean Peninsula, and other populations in the western Pacific |
| title_sort | connectivity between sea turtles off jeju island on the korean peninsula and other populations in the western pacific |
| topic | sea turtles genetic connectivity satellite tracking natal origin foraging ground |
| url | https://www.frontiersin.org/articles/10.3389/fmars.2024.1281897/full |
| work_keys_str_mv | AT sookjinjang connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT sookjinjang connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT kyungsikjo connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT kyungsikjo connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT soojinjang connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT hideakinishizawa connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT miyeonkim connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT georgebalazs connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT jibinim connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT hoyoungsuk connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT byungyeobkim connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT taewonkim connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific AT taewonkim connectivitybetweenseaturtlesoffjejuislandonthekoreanpeninsulaandotherpopulationsinthewesternpacific |