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Estimation of ecological water supplement for typical bird protection in the Yellow River Delta wetland
Yu, Xiaoyu1,2; Zhu, Wenbin1; Wei, Jiaxing3; Jia, Shaofeng1; Wang, Andong4; Huang, Yanbo5; Zhao, Yajie4
2021-08-01
Source PublicationECOLOGICAL INDICATORS
ISSN1470-160X
Volume127Pages:14
Corresponding AuthorZhu, Wenbin(zhuwb@igsnrr.ac.cn)
AbstractWith abundant resources in the wetland, the Yellow River Delta provides important habitats for various kinds of rare bird species. However, due to climate change and human water withdrawal activities, no-flow events of the Yellow River occurred frequently since the 1970s, resulting in serious wetland degradation and biodiversity losses. Ecological water supplement has been regarded as one of the most effective measures to cope with these environmental problems. Accordingly, how much water is required for the ecological restoration becomes an essential question to be answered. Since the primary function of the Yellow River Delta Natural Reserve (YRDNR), the typical wetland in the Yellow River Delta, is to provide suitable habitats for various rare birds, the purpose of this paper is to propose a method based on water balance analysis to specify monthly ecological water supplement for the habitats of typical birds in the YRDNR. Specifically, three typical birds were selected as the protection objects, including Grus japonensis, Ciconia boyciana, and Larus saundersi. Monthly water supplement was determined by monthly long-term time series data (2003-2018) of evapotranspiration product derived from remote sensing and meteorological data (precipitation and pan evaporation) acquired from National Meteorological Information Center. The results showed that the annual ecological water supplement for 10 km2 ideal habitats was 666.17 x 104 m3, 1165.22 x 104 m3, and 664.48 x 104 m3 for G. japonensis, C. boyciana, and L. saundersi, respectively. Besides, it was found that annual precipitation generally had a significant negative relation with annual ecological water supplement, which suggested that local precipitation should be considered as a key factor in determining the amount of annual water supplement. The frequency analysis was then implemented to provide reasonable scheme of actual ecological water supplement under different precipitation scenarios. The results indicated that annual ecological water supplement for the whole YRDNR was 1.81 x 108 m3, 1.94 x 108 m3, 2.10 x 108 m3 and 2.25 x 108 m3 respectively under wet, average, dry and extreme dry conditions. If water storage measurements are implemented to store surplus precipitation under rainy season, the average volume would reduce by nearly 10%.
KeywordYellow River Delta Wetland Ecological water supplement Evapotranspiration Water balance method Waterbirds
DOI10.1016/j.ecolind.2021.107783
WOS KeywordBARMAH-MILLEWA FOREST ; CLIMATE-CHANGE ; MANAGEMENT ; AREA ; EVAPOTRANSPIRATION ; RESTORATION ; REQUIREMENT ; EVAPORATION ; VEGETATION ; CHINA
Indexed BySCI
Language英语
Funding ProjectNational Natural Sciences Foundation of China[42071032] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2020056]
Funding OrganizationNational Natural Sciences Foundation of China ; Youth Innovation Promotion Association of Chinese Academy of Sciences
WOS Research AreaBiodiversity & Conservation ; Environmental Sciences & Ecology
WOS SubjectBiodiversity Conservation ; Environmental Sciences
WOS IDWOS:000659186000002
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/164026
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhu, Wenbin
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
4.Shandong Yellow River Delta Natl Nat Reserve Adm, Dongying 257091, Peoples R China
5.USDA, Crop Prod Syst Res Unit, Agr Res Serv, Stoneville, MS 38776 USA
Recommended Citation
GB/T 7714
Yu, Xiaoyu,Zhu, Wenbin,Wei, Jiaxing,et al. Estimation of ecological water supplement for typical bird protection in the Yellow River Delta wetland[J]. ECOLOGICAL INDICATORS,2021,127:14.
APA Yu, Xiaoyu.,Zhu, Wenbin.,Wei, Jiaxing.,Jia, Shaofeng.,Wang, Andong.,...&Zhao, Yajie.(2021).Estimation of ecological water supplement for typical bird protection in the Yellow River Delta wetland.ECOLOGICAL INDICATORS,127,14.
MLA Yu, Xiaoyu,et al."Estimation of ecological water supplement for typical bird protection in the Yellow River Delta wetland".ECOLOGICAL INDICATORS 127(2021):14.
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