Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves

The Yangtze finless porpoise has become as significant indicator of current ecological conservation effectiveness in Poyang Lake, where nearly half of the population is found. Serious water shortages in the lake during the dry season has led the government to consider the establishment of a hydrauli...

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Autores principales:	Qiyue Li, Geying Lai, Ying Liu, Adam Thomas Devlin, Shupin Zhan, Sheng Wang
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Hydraulic project Hydrodynamic modeling Species distribution modeling Likely habitat distribution Porpoise conservation Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/2da1a5031ed74eb896f4b1bde59523fd
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spelling	oai:doaj.org-article:2da1a5031ed74eb896f4b1bde59523fd2021-12-01T04:54:51ZAssessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves1470-160X10.1016/j.ecolind.2021.107873https://doaj.org/article/2da1a5031ed74eb896f4b1bde59523fd2021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21005380https://doaj.org/toc/1470-160XThe Yangtze finless porpoise has become as significant indicator of current ecological conservation effectiveness in Poyang Lake, where nearly half of the population is found. Serious water shortages in the lake during the dry season has led the government to consider the establishment of a hydraulic project (PLHP) in order to remedy the deteriorating situation. However, the possible impacts of the PLHP on porpoise habitats is uncertain since the distribution of porpoise habitats during the dry season has not been sufficiently studied. Here, we combine hydrodynamic and species distribution models to simulate likely habitat and nursing area variations with or without PLHP during the dry season. Results indicate that flow velocity and distance to sand mining areas dominate the habitat preferences of the porpoise and its calves, respectively. Habitats were concentrated in the narrow channel of the Lake, which includes an area less than 10% of the lake inundation area. Under the operation of PLHP, the nursing area will increase, and the habitat will increase during September to December, but decrease during January to February. However, their proportion of the lake inundation area will decreased by 0.5% to 1.6%, and the distribution pattern will become more discontinuous. Our results suggest that the PLHP may not substantially benefit the porpoise, as it will block the only natural migration channel between Poyang Lake and the Yangtze River.Qiyue LiGeying LaiYing LiuAdam Thomas DevlinShupin ZhanSheng WangElsevierarticleHydraulic projectHydrodynamic modelingSpecies distribution modelingLikely habitat distributionPorpoise conservationEcologyQH540-549.5ENEcological Indicators, Vol 129, Iss , Pp 107873- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Hydraulic project Hydrodynamic modeling Species distribution modeling Likely habitat distribution Porpoise conservation Ecology QH540-549.5
spellingShingle	Hydraulic project Hydrodynamic modeling Species distribution modeling Likely habitat distribution Porpoise conservation Ecology QH540-549.5 Qiyue Li Geying Lai Ying Liu Adam Thomas Devlin Shupin Zhan Sheng Wang Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves
description	The Yangtze finless porpoise has become as significant indicator of current ecological conservation effectiveness in Poyang Lake, where nearly half of the population is found. Serious water shortages in the lake during the dry season has led the government to consider the establishment of a hydraulic project (PLHP) in order to remedy the deteriorating situation. However, the possible impacts of the PLHP on porpoise habitats is uncertain since the distribution of porpoise habitats during the dry season has not been sufficiently studied. Here, we combine hydrodynamic and species distribution models to simulate likely habitat and nursing area variations with or without PLHP during the dry season. Results indicate that flow velocity and distance to sand mining areas dominate the habitat preferences of the porpoise and its calves, respectively. Habitats were concentrated in the narrow channel of the Lake, which includes an area less than 10% of the lake inundation area. Under the operation of PLHP, the nursing area will increase, and the habitat will increase during September to December, but decrease during January to February. However, their proportion of the lake inundation area will decreased by 0.5% to 1.6%, and the distribution pattern will become more discontinuous. Our results suggest that the PLHP may not substantially benefit the porpoise, as it will block the only natural migration channel between Poyang Lake and the Yangtze River.
format	article
author	Qiyue Li Geying Lai Ying Liu Adam Thomas Devlin Shupin Zhan Sheng Wang
author_facet	Qiyue Li Geying Lai Ying Liu Adam Thomas Devlin Shupin Zhan Sheng Wang
author_sort	Qiyue Li
title	Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves
title_short	Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves
title_full	Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves
title_fullStr	Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves
title_full_unstemmed	Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves
title_sort	assessing the impact of the proposed poyang lake hydraulic project on the yangtze finless porpoise and its calves
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/2da1a5031ed74eb896f4b1bde59523fd
work_keys_str_mv	AT qiyueli assessingtheimpactoftheproposedpoyanglakehydraulicprojectontheyangtzefinlessporpoiseanditscalves AT geyinglai assessingtheimpactoftheproposedpoyanglakehydraulicprojectontheyangtzefinlessporpoiseanditscalves AT yingliu assessingtheimpactoftheproposedpoyanglakehydraulicprojectontheyangtzefinlessporpoiseanditscalves AT adamthomasdevlin assessingtheimpactoftheproposedpoyanglakehydraulicprojectontheyangtzefinlessporpoiseanditscalves AT shupinzhan assessingtheimpactoftheproposedpoyanglakehydraulicprojectontheyangtzefinlessporpoiseanditscalves AT shengwang assessingtheimpactoftheproposedpoyanglakehydraulicprojectontheyangtzefinlessporpoiseanditscalves
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Assessing the impact of the proposed Poyang lake hydraulic project on the Yangtze finless porpoise and its calves

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