Journal of Coastal Conservation

, Volume 22, Issue 2, pp 209–215 | Cite as

Effects of reclamation on heavy metal pollution in a coastal wetland reserve

  • Lingqian Xu
  • Wen Yang
  • Fan Jiang
  • Yajun Qiao
  • Yaner Yan
  • Shuqing An
  • Xin Leng


Owing to accelerating reclamation activities in the coastal wetland reserves, it is of great importance to analyze the effects of wetland reclamation on heavy metal pollution in these areas. Soil samples were collected from reclamation and natural habitats in Yancheng National Nature Reserve for Coastal Rare Birds in Jiangsu, China to investigate the effects of reclamation on the total amounts, availability, and vertical distribution of seven elemental heavy-metal pollutants. In general, the total amount and availability each element were relatively low in the two habitats and were classified as “no pollution”. Reclamation was found to significantly increase the total amount of As, Cu, and Zn as well as the pollution degrees of As, Cr, and Zn. The availability of Cu, Pb, Cd, and Cr can also be significantly affected by reclamation. Furthermore, surface-accumulation patterns of the total amounts of these heavy metals could be observed in both habitats, and the availabilities of these elements were higher in deeper soils. Reclamation also had significant impacts on the vertical distribution of Cu, Pb, Cd, and Zn. It is essential to properly monitor nearby aquacultural activities, freshwater irrigation, and traffic pollution during plant harvest to alleviate the negative effects of these human activities.


Coastal biosphere reserves Reclamation Heavy metals pollution Availability 



We thank Guangfang Sun and Benfa Liu who helped collect soil samples. In addition, we thank Lining for helping to modify our paper. The funding for this research was provided by the National Basic Research Program of China (grant no. 2013CB430400).


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Copyright information

© Springer Science+Business Media Dordrecht 2016

Authors and Affiliations

  • Lingqian Xu
    • 1
  • Wen Yang
    • 1
  • Fan Jiang
    • 1
  • Yajun Qiao
    • 1
  • Yaner Yan
    • 1
  • Shuqing An
    • 1
    • 2
  • Xin Leng
    • 1
    • 2
  1. 1.School of Life Science and Institute of Wetland EcologyNanjing UniversityNanjingPeople’s Republic of China
  2. 2.Nanjing University Ecology Research Institute of Changshu (NJUecoRICH)ChangshuPeople’s Republic of China

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