Current Dependent Dispersal Characteristics of Japanese Glass Eel around Taiwan

Japanese eel larvae are passively transported to the East Asian Continental Shelf by the North Equatorial Current, Kuroshio and Kuroshio intrusion currents, and coastal currents. Previous studies have investigated the dispersal characteristics and pathways of Japanese glass eels. However, there are...

Full description

Saved in:
Bibliographic Details
Published in:Journal of marine science and engineering 2022-01, Vol.10 (1), p.98
Main Authors: Hsiung, Kuan-Mei, Lin, Yen-Ting, Han, Yu-San
Format: Article
Language:English
Subjects:
Anguilla japonica
Catadromous fishes
Coastal currents
Coasts
Continental shelves
Dispersal
Dispersion
Eels
El Nino
El Nino phenomena
Endangered & extinct species
ENSO events
Environmental conditions
Fisheries
Fishery data
Fishing
La Nina
Larvae
Marine fishes
Ocean currents
Recruitment
Recruitment (fisheries)
recruitment dynamics
Shelf dynamics
Taiwan strait
Time series
weekly catch
Wholesalers
Wind
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Japanese eel larvae are passively transported to the East Asian Continental Shelf by the North Equatorial Current, Kuroshio and Kuroshio intrusion currents, and coastal currents. Previous studies have investigated the dispersal characteristics and pathways of Japanese glass eels. However, there are still limitations in these studies. According to long-term (2010–2020) catch data from the Fisheries Agency in Taiwan, the distribution and time series of glass eels recruitment to Taiwan are closely related to the surrounding ocean currents. Recruitment begins in eastern Taiwan via the mainstream Kuroshio and in southern Taiwan via the Taiwan Strait Warm Current. In central Taiwan, recruitment occurs from southern Taiwan, as well as from mainland China via the southern branch of the China Coast Current (CCC). The latest recruitment occurred in northern Taiwan and mainly comprised glass eels from mainland China via the northern branch of the CCC. A stronger monsoon during the La Niña phase could affect the recruitment time series in northern and eastern Taiwan. This study suggests that the recruitment directionality of glass eels is an indicator of the flow field of ocean/coastal currents and elucidates the dispersal characteristics of glass eels in the waters around Taiwan.
ISSN:2077-1312
2077-1312
DOI:10.3390/jmse10010098