Effects of oceanographic conditions on fishery distribution: A case study of chub mackerel (Scomber japonicus) in northeastern Taiwan.

Autor: Mondal S; Department of Environmental Biology Fisheries Science, National Taiwan Ocean University, Keelung, 202, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 202, Taiwan., Muller-Karger F; Institute for Marine Remote Sensing, College of Marine Science, University of South Florida, Florida, 33701, USA., Ray A; Department of Environmental Biology Fisheries Science, National Taiwan Ocean University, Keelung, 202, Taiwan., Ito SI; The Atmosphere and Ocean Research Institute, The University of Tokyo, Tokyo, 113-8654, Japan., Lee MA; Department of Environmental Biology Fisheries Science, National Taiwan Ocean University, Keelung, 202, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 202, Taiwan; Doctoral Degree Program in Ocean Resource and Environmental Changes, National Taiwan Ocean University, Keelung, 202, Taiwan. Electronic address: malee@mail.ntou.edu.tw., Lu HJ; Department of Environmental Biology Fisheries Science, National Taiwan Ocean University, Keelung, 202, Taiwan.
Jazyk: angličtina
Zdroj: Marine environmental research [Mar Environ Res] 2024 Nov; Vol. 202, pp. 106803. Date of Electronic Publication: 2024 Oct 18.
DOI: 10.1016/j.marenvres.2024.106803
Abstrakt: Changes in oceanographic conditions can affect species distribution in marine habitats. Global climate change may negatively influence the oceanographic factor-species distribution relationship. Here, we assessed the influence of oceanographic conditions on chub mackerel (Scomber japonicus) distribution in northeastern Taiwan by constructing and using a habitat ensemble model incorporating chub mackerel fishery, climatic oscillation, and oceanography data. Our results indicated that the chub mackerel catch was mainly influenced by the Western Pacific Oscillation. Moreover, sea-surface height and mixed-layer depth exerted the most and least significant effects on chub mackerel distribution, respectively. The chub mackerel catch rate peaked in the study area with a sea-surface temperature of 29 °C, sea-surface chlorophyll of 0.25 mg/m 3 , sea-surface salinity of 33.7 psμ, and SSH of 0.575 m. Chub mackerel was the most widely distributed in the area between 25°N, 120.5°E and 26.2°N, 121.5°E. Our findings can be used to develop critical adaptation plans for managing chub mackerel fisheries in the northeastern waters of Taiwan. Considering changing climate conditions globally, the incorporation of this knowledge into managerial strategies may aid decision-makers in protecting not only other ocean fisheries but also individuals dependent on them.
Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
(Copyright © 2024 Elsevier Ltd. All rights reserved.)
Databáze: MEDLINE
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