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Study on Survival Rate and Applicability of Floodplain Plants in the Lower Reaches of the Three Gorges Dam Area Under Flooded Environment
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Ding-jun ZHANG1, Liu-dong WU2, Hao LI1, Lan-fang YANG1, Jun ZHANG1
Water Resources and Power | 2023, 41(7) : 68 - 71
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Water Resources and Power | 2023, 41(7): 68-71
• HYDROLOGY，WATER RESOURCES AND ENVIRONMENT •
Study on Survival Rate and Applicability of Floodplain Plants in the Lower Reaches of the Three Gorges Dam Area Under Flooded Environment
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Ding-jun ZHANG1, Liu-dong WU2, Hao LI1, Lan-fang YANG1, Jun ZHANG1
Affiliations
  • 1.Yangtze River Institute of Rare Plants, Yangtze River Ecological Environment Engineering Research Center, China Three Gorges Corporation, Yichang 443000, China
  • 2.CSCEC Southwest Survey, Design and Research Institute Co., Ltd. Huazhong Company, Wuhan 430074, China
Published: 2023-07-25 doi: 10.20040/j.cnki.1000-7709.2023.20220947
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In order to research the growth adaptability and engineering applicability plants in the floodplain ecological restoration area in the lower reaches of the Three Gorges dam area under flooded environment, four kinds of shrub plants such as distylium chinense, myricaria laxiflora, salix variegata and rosa sp were planted and observed in the floodplain area at the same water level in the lower reaches of the Three Gorges dam area. Four shrub plants experienced a certain degree of flooding period. The results show that the survival rates of the four shrub plants were different under flooding conditions, and the plant preservation rates from high to low were as follows: salix variegata, distylium chinense, myricaria laxiflora and rosa sp. The morphological changes, plant height growth and recovery growth were observed. Among them, salix variegata, distylium chinense and myricaria laxiflora showed better flooding adaptability under flooding stress. The applicability of ecological restoration engineering of 4 Shrub plants was evaluated by weighted scoring method. The scores from high to low are distylium chinense, myricaria laxiflora, rosa sp and myricaria laxiflora. It is determined that distylium chinense can be used as the main shrub plant in the floodplain ecological restoration project.

Three Gorges dam area  /  river flat  /  flooding stress  /  shrubs and plants  /  weighted scoring method  /  ecological restoration engineering
Ding-jun ZHANG, Liu-dong WU, Hao LI, Lan-fang YANG, Jun ZHANG. Study on Survival Rate and Applicability of Floodplain Plants in the Lower Reaches of the Three Gorges Dam Area Under Flooded Environment[J]. Water Resources and Power, 2023 , 41 (7) : 68 -71 . DOI: 10.20040/j.cnki.1000-7709.2023.20220947
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Year 2023 volume 41 Issue 7
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Article Info
doi: 10.20040/j.cnki.1000-7709.2023.20220947
  • Receive Date：2022-05-07
  • Online Date：2026-01-28
  • Published：2023-07-25
Article Data
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History
  • Received：2022-05-07
  • Revised：2022-09-24
Funding
Affiliations
    1.Yangtze River Institute of Rare Plants, Yangtze River Ecological Environment Engineering Research Center, China Three Gorges Corporation, Yichang 443000, China
    2.CSCEC Southwest Survey, Design and Research Institute Co., Ltd. Huazhong Company, Wuhan 430074, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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