Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea

Increasing evidence has suggested that climate variability has a vital impact on the stock fluctuation of many small pelagic fishes by regulating their recruitment. However, most recruitment-related studies have focused on large spawning/nursing grounds at annual or seasonal scales, while few have c...

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Autores principales:	Qinwang Xing, Haiqing Yu, Shin-ichi Ito, Shuyang Ma, Huaming Yu, Hui Wang, Yongjun Tian, Peng Sun, Yang Liu, Jianchao Li, Zhenjiang Ye
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Small pelagic fish Particle tracking Climate variability Early life stage Fisheries management Larval growth Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/a4feb8e4a119449c9b8a43e4a2464e51
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spelling	oai:doaj.org-article:a4feb8e4a119449c9b8a43e4a2464e512021-12-01T04:41:55ZUsing a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea1470-160X10.1016/j.ecolind.2020.107301https://doaj.org/article/a4feb8e4a119449c9b8a43e4a2464e512021-03-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X20312437https://doaj.org/toc/1470-160XIncreasing evidence has suggested that climate variability has a vital impact on the stock fluctuation of many small pelagic fishes by regulating their recruitment. However, most recruitment-related studies have focused on large spawning/nursing grounds at annual or seasonal scales, while few have considered the impact of short-term environmental variations during the vulnerable passive-transport period. In this study, a larval growth index based on a Lagrangian particle-tracking model coupled with a hydrodynamic model that focused on the early growth and passive transport of the SPF was developed to identify the key spawning/nursing period and grounds accommodating fish recruitment. Taking Japanese anchovy (Engraulis japonicus) in the Yellow Sea as an example, the key spawning grounds and time for its recruitment was identified and the impact of sea-surface temperature (SST) and climate variability on its recruitment was then investigated and discussed. Significant positive (negative) correlations were identified between the recruitment index and the mean growth index (mean water temperature) along the tracking path of eggs or larvae released in the Bohai Sea and the southwestern Yellow Sea during July (1987–2004), implying that these were the key spawning grounds and period for recruitment success. The multi-year tracking path of released particles indicated that both the southwestern Yellow Sea and the central Bohai Sea may be the key nursing grounds. Meanwhile, the SST in July was found to be associated with basin-scale atmosphere–ocean interactions. A potential “atmosphere–ocean-recruitment” influence pattern for Japanese anchovy in the Yellow and Bohai Seas was thus proposed, in which higher (lower) temperature during the key spawning/nursing period induced by atmospheric variation might diminish (promote) recruitment success by limiting the growth and survival of anchovy larvae. The larval growth index developed in this study can be widely applied to other small pelagic fishes in other waters and provide implications for climate-induced recruitment studies.Qinwang XingHaiqing YuShin-ichi ItoShuyang MaHuaming YuHui WangYongjun TianPeng SunYang LiuJianchao LiZhenjiang YeElsevierarticleSmall pelagic fishParticle trackingClimate variabilityEarly life stageFisheries managementLarval growthEcologyQH540-549.5ENEcological Indicators, Vol 122, Iss , Pp 107301- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Small pelagic fish Particle tracking Climate variability Early life stage Fisheries management Larval growth Ecology QH540-549.5
spellingShingle	Small pelagic fish Particle tracking Climate variability Early life stage Fisheries management Larval growth Ecology QH540-549.5 Qinwang Xing Haiqing Yu Shin-ichi Ito Shuyang Ma Huaming Yu Hui Wang Yongjun Tian Peng Sun Yang Liu Jianchao Li Zhenjiang Ye Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea
description	Increasing evidence has suggested that climate variability has a vital impact on the stock fluctuation of many small pelagic fishes by regulating their recruitment. However, most recruitment-related studies have focused on large spawning/nursing grounds at annual or seasonal scales, while few have considered the impact of short-term environmental variations during the vulnerable passive-transport period. In this study, a larval growth index based on a Lagrangian particle-tracking model coupled with a hydrodynamic model that focused on the early growth and passive transport of the SPF was developed to identify the key spawning/nursing period and grounds accommodating fish recruitment. Taking Japanese anchovy (Engraulis japonicus) in the Yellow Sea as an example, the key spawning grounds and time for its recruitment was identified and the impact of sea-surface temperature (SST) and climate variability on its recruitment was then investigated and discussed. Significant positive (negative) correlations were identified between the recruitment index and the mean growth index (mean water temperature) along the tracking path of eggs or larvae released in the Bohai Sea and the southwestern Yellow Sea during July (1987–2004), implying that these were the key spawning grounds and period for recruitment success. The multi-year tracking path of released particles indicated that both the southwestern Yellow Sea and the central Bohai Sea may be the key nursing grounds. Meanwhile, the SST in July was found to be associated with basin-scale atmosphere–ocean interactions. A potential “atmosphere–ocean-recruitment” influence pattern for Japanese anchovy in the Yellow and Bohai Seas was thus proposed, in which higher (lower) temperature during the key spawning/nursing period induced by atmospheric variation might diminish (promote) recruitment success by limiting the growth and survival of anchovy larvae. The larval growth index developed in this study can be widely applied to other small pelagic fishes in other waters and provide implications for climate-induced recruitment studies.
format	article
author	Qinwang Xing Haiqing Yu Shin-ichi Ito Shuyang Ma Huaming Yu Hui Wang Yongjun Tian Peng Sun Yang Liu Jianchao Li Zhenjiang Ye
author_facet	Qinwang Xing Haiqing Yu Shin-ichi Ito Shuyang Ma Huaming Yu Hui Wang Yongjun Tian Peng Sun Yang Liu Jianchao Li Zhenjiang Ye
author_sort	Qinwang Xing
title	Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea
title_short	Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea
title_full	Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea
title_fullStr	Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea
title_full_unstemmed	Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea
title_sort	using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: a case study for japanese anchovy (engraulis japonicus) in the yellow sea
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/a4feb8e4a119449c9b8a43e4a2464e51
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Using a larval growth index to detect the environment-recruitment relationships and its linkage with basin-scale climate variability: A case study for Japanese anchovy (Engraulis japonicus) in the Yellow Sea

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