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Revisiting the effectiveness of biodiversity offsets in coastal wetlands of China through landscape connectivity.

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Title: Revisiting the effectiveness of biodiversity offsets in coastal wetlands of China through landscape connectivity.
Authors: Yu, Shuling1 (AUTHOR) shulingyu@tiangong.edu.cn, Qian, Yi1 (AUTHOR), Xie, Chengjie2 (AUTHOR), Sun, Shan1,3 (AUTHOR) sunshan@shandong.cn
Source: Ecological Indicators. Mar2024, Vol. 160, pN.PAG-N.PAG. 1p.
Subjects: Coastal wetlands, Coastal biodiversity, Marshes, Ecological zones, Salt marshes, Landscapes
Geographic Terms: China
Abstract: • The biodiversity offsets strategy was reconsidered from a landscape perspective. • Substantial gaps exist between habitat offsets and connectivity effectiveness. • A novel ecological processes compensation was established for biodiversity offsets. • Implementing connectivity offsets improved the likelihood of achieving no net loss. We modified the landscape connectivity calculation method and applied it to assess changes in temporal connectivity under different offsetting scenarios in the Yellow River Delta High-efficiency Ecological Economic Zone of China. We evaluated landscape connectivity based on resistance surfaces, least-cost distances, habitat areas, and the probability of dispersal between wetland patches in the landscape. The landscape connectivity declined between 1980 and 2015, with the degree of decline varying with the type of wetland. The cumulative percentages of freshwater marsh, salt marsh, and tidal marsh habitat areas that could be offset were 100 %, 100 %, and 34 %, respectively. However, the maximum landscape connectivity that was compensated for was only 1.2–10.4 %. When the offset patches were restored to freshwater marsh, the highest connectivity of coastal wetlands was achieved. There were substantial gaps between the area of habitat restoration offset required to achieve no net loss and the landscape connectivity that would ensure ecological effectiveness. The compensation area required to achieve no net loss of landscape connectivity was greater than that required to achieve no net loss of habitat area. We provide guidance for policy makers on how to implement offsetting to develop and manage green corridors, thus allowing movement that will ensure species' survival. It was suggested that the passive restoration of isolated coastal wetland may be difficult to achieve. Policies that seek to increase landscape connectivity offsets can effectively promote population diffusion and migration, avoid habitat fragmentation, and are key to improving no net loss effectiveness. [ABSTRACT FROM AUTHOR]
Copyright of Ecological Indicators is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 176539020
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Revisiting the effectiveness of biodiversity offsets in coastal wetlands of China through landscape connectivity.
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  Data: <searchLink fieldCode="AR" term="%22Yu%2C+Shuling%22">Yu, Shuling</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> shulingyu@tiangong.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Qian%2C+Yi%22">Qian, Yi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xie%2C+Chengjie%22">Xie, Chengjie</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sun%2C+Shan%22">Sun, Shan</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> sunshan@shandong.cn</i>
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  Data: <searchLink fieldCode="DE" term="%22Coastal+wetlands%22">Coastal wetlands</searchLink><br /><searchLink fieldCode="DE" term="%22Coastal+biodiversity%22">Coastal biodiversity</searchLink><br /><searchLink fieldCode="DE" term="%22Marshes%22">Marshes</searchLink><br /><searchLink fieldCode="DE" term="%22Ecological+zones%22">Ecological zones</searchLink><br /><searchLink fieldCode="DE" term="%22Salt+marshes%22">Salt marshes</searchLink><br /><searchLink fieldCode="DE" term="%22Landscapes%22">Landscapes</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22China%22">China</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: • The biodiversity offsets strategy was reconsidered from a landscape perspective. • Substantial gaps exist between habitat offsets and connectivity effectiveness. • A novel ecological processes compensation was established for biodiversity offsets. • Implementing connectivity offsets improved the likelihood of achieving no net loss. We modified the landscape connectivity calculation method and applied it to assess changes in temporal connectivity under different offsetting scenarios in the Yellow River Delta High-efficiency Ecological Economic Zone of China. We evaluated landscape connectivity based on resistance surfaces, least-cost distances, habitat areas, and the probability of dispersal between wetland patches in the landscape. The landscape connectivity declined between 1980 and 2015, with the degree of decline varying with the type of wetland. The cumulative percentages of freshwater marsh, salt marsh, and tidal marsh habitat areas that could be offset were 100 %, 100 %, and 34 %, respectively. However, the maximum landscape connectivity that was compensated for was only 1.2–10.4 %. When the offset patches were restored to freshwater marsh, the highest connectivity of coastal wetlands was achieved. There were substantial gaps between the area of habitat restoration offset required to achieve no net loss and the landscape connectivity that would ensure ecological effectiveness. The compensation area required to achieve no net loss of landscape connectivity was greater than that required to achieve no net loss of habitat area. We provide guidance for policy makers on how to implement offsetting to develop and manage green corridors, thus allowing movement that will ensure species' survival. It was suggested that the passive restoration of isolated coastal wetland may be difficult to achieve. Policies that seek to increase landscape connectivity offsets can effectively promote population diffusion and migration, avoid habitat fragmentation, and are key to improving no net loss effectiveness. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ecological Indicators is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1016/j.ecolind.2024.111902
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Coastal wetlands
        Type: general
      – SubjectFull: Coastal biodiversity
        Type: general
      – SubjectFull: Marshes
        Type: general
      – SubjectFull: Ecological zones
        Type: general
      – SubjectFull: Salt marshes
        Type: general
      – SubjectFull: Landscapes
        Type: general
      – SubjectFull: China
        Type: general
    Titles:
      – TitleFull: Revisiting the effectiveness of biodiversity offsets in coastal wetlands of China through landscape connectivity.
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          Name:
            NameFull: Yu, Shuling
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            NameFull: Qian, Yi
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            NameFull: Xie, Chengjie
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            NameFull: Sun, Shan
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          Dates:
            – D: 01
              M: 03
              Text: Mar2024
              Type: published
              Y: 2024
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              Value: 160
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