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Waterbird habitat loss fringing the Yellow and Bohai seas along the East Asian--Australasian migratory flyway
  • +1
  • Houlang Duan,
  • Xiubo Yu,
  • Shaoxia Xia,
  • Guangshuai Zhang
Houlang Duan
Institute of Geographic Sciences and Natural Resources Research, CAS
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Xiubo Yu
Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences
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Shaoxia Xia
Institute of Geographic Sciences and Natural Resources Research CAS
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Guangshuai Zhang
National Marine Environmental Monitoring Center, Dalian 116023, China
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Abstract

Natural wetland along the coasts of Yellow and Bohai seas provided key stopover sites for migratory waterbirds. However, these wetlands are facing land loss. Understanding how natural wetlands loss influence habitat is an important step for habitat management. Using species distribution model to report changes in area of suitable habitat, and the effects of natural wetland loss on habitat for 80 waterbird species attributed to four functional categories (shorebird, duck, heron, gull), between 2000 and 2015 in the Yellow and Bohai seas. Of 1794.8 km2 of coastal wetland lost to development between 2000 and 2015, most represented tidal flats converted into aquaculture and salt pan habitat, or for construction. Consequently, habitat for 73 of these 80 species has decreased in area over this time period. Generally, the proportional decline in habitat suitable for species of duck was less than it was shorebirds, herons and gulls. The proportional loss of tidal flat habitat that formerly represented suitable habitat for shorebirds, herons and gulls was also significantly higher than it was for ducks. Because more species of duck exploit aquaculture and salt pan habitat converted from tidal flats than do shorebird, heron and gull species, such conversion of tidal flats pose a greater threat to shorebirds, herons and gulls than they do to ducks. Preventing further reclamation of tidal flats and managing artificial wetlands are priorities for waterbirds conservation, especially for the species ducks.

Peer review status:ACCEPTED

26 Jan 2021Submitted to Land Degradation & Development
27 Jan 2021Submission Checks Completed
27 Jan 2021Assigned to Editor
02 Feb 2021Reviewer(s) Assigned
23 Feb 2021Review(s) Completed, Editorial Evaluation Pending
03 Mar 2021Editorial Decision: Revise Major
16 Apr 20211st Revision Received
19 Apr 2021Submission Checks Completed
19 Apr 2021Assigned to Editor
24 May 2021Review(s) Completed, Editorial Evaluation Pending
11 Jun 2021Editorial Decision: Accept