[1]WANG Zhicheng,GAO Zhiqiang.Analysis on Spatiotemporal Characteristics and Causes of Tidal Flat Wetland in Jiaozhou Bay from 1987 to 2017 Based on Land Use Change[J].Research of Soil and Water Conservation,2020,27(06):196-201.
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Analysis on Spatiotemporal Characteristics and Causes of Tidal Flat Wetland in Jiaozhou Bay from 1987 to 2017 Based on Land Use Change
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
27
Number of periods:
2020 06
Page number:
196-201
Column:
目次
Public date:
2020-10-20
- Title:
- Analysis on Spatiotemporal Characteristics and Causes of Tidal Flat Wetland in Jiaozhou Bay from 1987 to 2017 Based on Land Use Change
- Keywords:
- Jiaozhou Bay; LUCC; tidal flat wetland; reclamation activity of sea
- CLC:
- TP79; P748; F301.24
- DOI:
- -
- Abstract:
- In order to explore the spatiotemporal characteristics and causes of tidal flat wetland in Jiaozhou Bay, we firstly extracted the LUCC information of the surrounding area of Jiaozhou Bay from remote sensing images from 1987 to 2017 by means of object-oriented classification, and at the same time used the tidal calibration model to correct the bare tidal flats in the land use types to obtain the real tidal flat wetland spatial scale. Then, we analyzed the LUCC characteristics of the surrounding area of Jiaozhou Bay from 1987 to 2017 and the spatiotemporal characteristics of the tidal flat wetland in Jiaozhou Bay, and the causes of the spatiotemporal characteristics of the tidal flat wetland in Jiaozhou Bay from 1987 to 2017 from the perspective of LUCC. The results showed that:(1)cultivated land, build-up areas and forest areas are the main land-use types of study area; cultivated land decreased and built-up areas increased while forest areas decreased firstly and then increased during study period;(2)the area of tidal flat wetland decreased and the decreasing rate slowed down gradually; while the upper bounds of tidal flat wetland tended to move towards the inside of Jiaozhou Bay;(3)the reclamation activity of sea was the main reason for the changes of tidal flat wetland; build-up areas, grass land, bareland and inland water were the main land-use types after reclamation activity of sea. To sum up, the upper bounds of tidal flat wetland in Jiaozhou Bay pushed towards the sea year by year, and the area gradually reduced. The reduced part of tidal flat wetland was mainly transformed into build-up areas, grassland, bare land and inland waters, which was mainly caused by reclamation activity of sea.
- References:
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Last Update:
2020-10-20