Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea

A habitat suitability index model (HSI) was established to examine seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea and assessed the impacts of the El Niño event on habitat variations based on sea surface temperature (SST), chlorophyll-a (Chla) and sea surface height (SS...

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Autores principales:	Jiangtao Fan, Zuozhi Chen, Xue Feng, Wei Yu
Formato:	article
Lenguaje:	EN
Publicado:	Taylor & Francis Group 2021
Materias:	sthenoteuthis oualaniensis habitat pattern spatio-temporal distribution seasonal variation south china sea Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/0220423d6e53495c88afa392f32472bf
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spelling	oai:doaj.org-article:0220423d6e53495c88afa392f32472bf2021-12-02T16:25:32ZClimate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea2332-887810.1080/20964129.2021.1926338https://doaj.org/article/0220423d6e53495c88afa392f32472bf2021-01-01T00:00:00Zhttp://dx.doi.org/10.1080/20964129.2021.1926338https://doaj.org/toc/2332-8878A habitat suitability index model (HSI) was established to examine seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea and assessed the impacts of the El Niño event on habitat variations based on sea surface temperature (SST), chlorophyll-a (Chla) and sea surface height (SSH). Environmental conditions and habitat patterns showed significant seasonal and spatial variations. Spatial pattern of favorable environmental conditions played important roles in regulating the ranges and longitudinal and latitudinal distributions of suitable habitats (areas with HSI≥0.6) of S. oualaniensis across seasons. Significant positive correlation was found between SST and HSI, whereas negative relationship was revealed between HSI and Chla as well as SSH by correlation analysis. Comparing to normal climate condition in spring 2014, the El Niño events in spring 2015 and 2016 yielded lower SST and higher Chla and SSH, which were unfavorable for the formation of high-quality habitats. Favorable ranges of environmental conditions showed decreasing trend from spring 2014 to 2016. Consequently, the suitable habitats in spring 2015 and 2016 largely contracted and became discontinuity. Our findings indicated that seasonal habitat patterns of S. oualaniensis in the South China Sea were strongly affected by the El Niño events and local environmental conditions.Jiangtao FanZuozhi ChenXue FengWei YuTaylor & Francis Grouparticlesthenoteuthis oualaniensishabitat patternspatio-temporal distributionseasonal variationsouth china seaEcologyQH540-549.5ENEcosystem Health and Sustainability, Vol 7, Iss 1 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	sthenoteuthis oualaniensis habitat pattern spatio-temporal distribution seasonal variation south china sea Ecology QH540-549.5
spellingShingle	sthenoteuthis oualaniensis habitat pattern spatio-temporal distribution seasonal variation south china sea Ecology QH540-549.5 Jiangtao Fan Zuozhi Chen Xue Feng Wei Yu Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea
description	A habitat suitability index model (HSI) was established to examine seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea and assessed the impacts of the El Niño event on habitat variations based on sea surface temperature (SST), chlorophyll-a (Chla) and sea surface height (SSH). Environmental conditions and habitat patterns showed significant seasonal and spatial variations. Spatial pattern of favorable environmental conditions played important roles in regulating the ranges and longitudinal and latitudinal distributions of suitable habitats (areas with HSI≥0.6) of S. oualaniensis across seasons. Significant positive correlation was found between SST and HSI, whereas negative relationship was revealed between HSI and Chla as well as SSH by correlation analysis. Comparing to normal climate condition in spring 2014, the El Niño events in spring 2015 and 2016 yielded lower SST and higher Chla and SSH, which were unfavorable for the formation of high-quality habitats. Favorable ranges of environmental conditions showed decreasing trend from spring 2014 to 2016. Consequently, the suitable habitats in spring 2015 and 2016 largely contracted and became discontinuity. Our findings indicated that seasonal habitat patterns of S. oualaniensis in the South China Sea were strongly affected by the El Niño events and local environmental conditions.
format	article
author	Jiangtao Fan Zuozhi Chen Xue Feng Wei Yu
author_facet	Jiangtao Fan Zuozhi Chen Xue Feng Wei Yu
author_sort	Jiangtao Fan
title	Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea
title_short	Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea
title_full	Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea
title_fullStr	Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea
title_full_unstemmed	Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea
title_sort	climate-related changes in seasonal habitat pattern of sthenoteuthis oualaniensis in the south china sea
publisher	Taylor & Francis Group
publishDate	2021
url	https://doaj.org/article/0220423d6e53495c88afa392f32472bf
work_keys_str_mv	AT jiangtaofan climaterelatedchangesinseasonalhabitatpatternofsthenoteuthisoualaniensisinthesouthchinasea AT zuozhichen climaterelatedchangesinseasonalhabitatpatternofsthenoteuthisoualaniensisinthesouthchinasea AT xuefeng climaterelatedchangesinseasonalhabitatpatternofsthenoteuthisoualaniensisinthesouthchinasea AT weiyu climaterelatedchangesinseasonalhabitatpatternofsthenoteuthisoualaniensisinthesouthchinasea
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Climate-related changes in seasonal habitat pattern of Sthenoteuthis oualaniensis in the South China Sea

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