EVALUATION OF THE EFFECT OF VEGETATION RESTORATION IN THE YELLOW RIVER DELTA WETLAND BIODIVERSITY CONSERVATION PROJECT

PANG Bo; YANG Wenxin; CUI Baoshan; ZHANG Shuyan; XIE Tian; NING Zhonghua; GAO Fang; ZHANG Hongshan

doi:10.13205/j.hjgc.202301026

Volume 41 Issue 1

Jan. 2023

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2023 > 41(1): 213-221

PANG Bo, YANG Wenxin, CUI Baoshan, ZHANG Shuyan, XIE Tian, NING Zhonghua, GAO Fang, ZHANG Hongshan. EVALUATION OF THE EFFECT OF VEGETATION RESTORATION IN THE YELLOW RIVER DELTA WETLAND BIODIVERSITY CONSERVATION PROJECT[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(1): 213-221. doi: 10.13205/j.hjgc.202301026

Citation:

PANG Bo, YANG Wenxin, CUI Baoshan, ZHANG Shuyan, XIE Tian, NING Zhonghua, GAO Fang, ZHANG Hongshan. EVALUATION OF THE EFFECT OF VEGETATION RESTORATION IN THE YELLOW RIVER DELTA WETLAND BIODIVERSITY CONSERVATION PROJECT[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(1): 213-221. doi: 10.13205/j.hjgc.202301026

Citation:

PANG Bo, YANG Wenxin, CUI Baoshan, ZHANG Shuyan, XIE Tian, NING Zhonghua, GAO Fang, ZHANG Hongshan. EVALUATION OF THE EFFECT OF VEGETATION RESTORATION IN THE YELLOW RIVER DELTA WETLAND BIODIVERSITY CONSERVATION PROJECT[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(1): 213-221. doi: 10.13205/j.hjgc.202301026

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EVALUATION OF THE EFFECT OF VEGETATION RESTORATION IN THE YELLOW RIVER DELTA WETLAND BIODIVERSITY CONSERVATION PROJECT

doi: 10.13205/j.hjgc.202301026

1. State Key Joint Laboratory of Environmental Simulation and Pollution Control, School of Environment, Beijing Normal University, Beijing 100875, China;
2. Shandong Yellow River Delta National Nature Reserve Administration Committee, Dongying 257091, China

Received Date: 2022-10-08
Available Online: 2023-03-23

Abstract

Abstract

Follow-up monitoring and evaluation of restoration effects are important aspects of wetland ecological restoration. Follow-up monitoring can observe the state and process of wetland restoration, identify potential problems in the restoration process and adjust the application of restoration techniques in time to improve the restoration efficiency, and also provide data for evaluating the restoration effects of wetlands. In this study, the effect of vegetation restoration in the Yellow River Delta wetland biodiversity conservation project was evaluated through field ecological monitoring and remote sensing inversion. The results showed that the soil moisture content in the south and north restoration areas was increased by 45.86% and 25.17% respectively, and the soil salinity decreased by 70.51% and 64.71% respectively; the vegetation coverage in the south and north restoration areas was increased by 5% and 54% respectively; NDVI was increased by 48.4% and 44.1% respectively. The vegetation species in the restoration area tended to be diversified and the vegetation community structure was improved. Different restoration methods were effective for vegetation restoration, but the differences in effects were not significant. Reed was the dominant species of vegetation in the restoration area, with a dominance of 0.748, while the dominance of other vegetation was low. The overall vegetation cover, reed density and plant height in the restored area were not significantly different from those of the unrestored area. As a whole, the vegetations situation in the north restored area had not yet recovered to a high level, while vegetation in the south restored area had been recovered well. The damage to native species should be mitigated when the ecological restoration project is implemented, the lag of vegetation recovery should be paid attention to after the implementation, and the wetland management as well as the invasion prevention of alien species should be strengthened. This study can provide data and technical references for the ecological restoration of coastal wetlands in China.
- ecological restoration,
- coastal wetlands,
- ecological water replenishment,
- vegetation restoration,
- NDVI

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References(29)

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