Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole
Abstract Climate change affects the spatial distribution and abundance of yellowfin tuna (Thunnus albacares, YFT) in the tropical Pacific, yet the mechanisms linking remote climate modes to YFT dynamics remain unclear. This study finds that the variability of autumn tropical Pacific YFT is tied to t...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2025-04-01
|
| Series: | Geophysical Research Letters |
| Subjects: | |
| Online Access: | https://doi.org/10.1029/2024GL114459 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1849321393344217088 |
|---|---|
| author | Gongjun Zhang Jianping Li |
| author_facet | Gongjun Zhang Jianping Li |
| author_sort | Gongjun Zhang |
| collection | DOAJ |
| description | Abstract Climate change affects the spatial distribution and abundance of yellowfin tuna (Thunnus albacares, YFT) in the tropical Pacific, yet the mechanisms linking remote climate modes to YFT dynamics remain unclear. This study finds that the variability of autumn tropical Pacific YFT is tied to the spring sea surface temperature anomalies (SSTAs) of the North Atlantic Tripole (NAT), mediated by the Victoria Mode (VM), the second dominant mode of North Pacific SSTAs variability. The result shows that the spring NAT is significantly positive correlated with the subsequent autumn tropical Pacific YFT catch per unit effort (CPUE). The spring NAT triggers eastward‐propagating Rossby waves, inducing VM‐like SSTAs in the North Pacific. These anomalies modify YFT habitat conditions in the tropical Pacific through coupled oceanic‐atmospheric bridge (COAB) mechanism, ultimately affecting autumn CPUE. This study unveils a teleconnection‐driven mechanism influencing tropical Pacific YFT CPUE, with important implications for fisheries management and forecasting. |
| format | Article |
| id | doaj-art-c40481944f704b97beddf92e03632d25 |
| institution | Kabale University |
| issn | 0094-8276 1944-8007 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Wiley |
| record_format | Article |
| series | Geophysical Research Letters |
| spelling | doaj-art-c40481944f704b97beddf92e03632d252025-08-20T03:49:45ZengWileyGeophysical Research Letters0094-82761944-80072025-04-01527n/an/a10.1029/2024GL114459Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic TripoleGongjun Zhang0Jianping Li1Frontiers Science Center for Deep Ocean Multi‐spheres and Earth System (DOMES) Key Laboratory of Physical Oceanography and Academy of Future Ocean College of Oceanic and Atmospheric Sciences Center for Ocean Carbon Neutrality Ocean University of Chin Qingdao ChinaFrontiers Science Center for Deep Ocean Multi‐spheres and Earth System (DOMES) Key Laboratory of Physical Oceanography and Academy of Future Ocean College of Oceanic and Atmospheric Sciences Center for Ocean Carbon Neutrality Ocean University of Chin Qingdao ChinaAbstract Climate change affects the spatial distribution and abundance of yellowfin tuna (Thunnus albacares, YFT) in the tropical Pacific, yet the mechanisms linking remote climate modes to YFT dynamics remain unclear. This study finds that the variability of autumn tropical Pacific YFT is tied to the spring sea surface temperature anomalies (SSTAs) of the North Atlantic Tripole (NAT), mediated by the Victoria Mode (VM), the second dominant mode of North Pacific SSTAs variability. The result shows that the spring NAT is significantly positive correlated with the subsequent autumn tropical Pacific YFT catch per unit effort (CPUE). The spring NAT triggers eastward‐propagating Rossby waves, inducing VM‐like SSTAs in the North Pacific. These anomalies modify YFT habitat conditions in the tropical Pacific through coupled oceanic‐atmospheric bridge (COAB) mechanism, ultimately affecting autumn CPUE. This study unveils a teleconnection‐driven mechanism influencing tropical Pacific YFT CPUE, with important implications for fisheries management and forecasting.https://doi.org/10.1029/2024GL114459North Atlantic tripoleteleconnectionYellowfin Tunavictoria mode |
| spellingShingle | Gongjun Zhang Jianping Li Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole Geophysical Research Letters North Atlantic tripole teleconnection Yellowfin Tuna victoria mode |
| title | Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole |
| title_full | Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole |
| title_fullStr | Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole |
| title_full_unstemmed | Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole |
| title_short | Variability of Autumn Tropical Pacific Yellowfin Tuna Tied to the Spring North Atlantic Tripole |
| title_sort | variability of autumn tropical pacific yellowfin tuna tied to the spring north atlantic tripole |
| topic | North Atlantic tripole teleconnection Yellowfin Tuna victoria mode |
| url | https://doi.org/10.1029/2024GL114459 |
| work_keys_str_mv | AT gongjunzhang variabilityofautumntropicalpacificyellowfintunatiedtothespringnorthatlantictripole AT jianpingli variabilityofautumntropicalpacificyellowfintunatiedtothespringnorthatlantictripole |