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- Title
Study of Spatial Heterogeneity of Ecological Carrying Capacity in Jiangsu Tidal Flat Coastal Zone.
- Authors
ZHANG Shanshan; CHEN Ting; ZHANG Lei; DONG Yawen
- Abstract
The coastal area of Jiangsu Province was selected as the research area, which has a unique muddy coastal zone and diverse beach wetland ecosystem with good development advantages and potential. We construct the evaluation system with five indexes such as wetland, forest land, key functional areas, rivers entering the sea and soil. By using space technologies of GIS, the evaluation unit was composed of districts, counties and grids of Nantong, Yancheng and Lianyungang, and the ecological carrying capacity was calculated through evaluation of single index and comprehensive evaluation of multiple indexes. This paper analyzed the spatial pattern heterogeneity of ecological carrying suitability in coastal areas, revealed the influencing factors causing the difference of spatial bearing state. The results showed that the ecological carrying capacity of the study area in terms of "suitable", "less suitable", "general suitable", "controlled" and "unsuitable" is 16.59%, 11.22%, 38.50%, 17.15% and 16.54% respectively. There is significant heterogeneity in the spatial pattern of the bearing capacity, and the distribution showed characteristics of " low in the middle, high in the north and south". The bearing capacity of Nantong in the south is relatively higher than that of Lianyun in the north, mainly for "suitable" and "more suitable" distribution areas. The ecological carrying capacity of the central Yancheng area is significantly lower than that of other areas, mainly for the "unsuitable" and "controlled" distribution areas.
- Subjects
JIANGSU Sheng (China); ECOLOGICAL carrying capacity; ECOLOGICAL heterogeneity; COASTAL wetlands; COASTS; TIDAL flats; FORESTS &; forestry; GEOGRAPHIC information systems
- Publication
Environmental Science & Technology (10036504), 2023, Vol 46, Issue 10, p189
- ISSN
1003-6504
- Publication type
Article
- DOI
10.19672/j.cnki.1003-6504.1717.22.338