[1] Xu Sudong, Li Rui, Yin Kai,. Habitat evaluation for target species following deep-waterchannel project in the Yangtze River [J]. Journal of Southeast University (English Edition), 2015, 31 (4): 559-565. [doi:10.3969/j.issn.1003-7985.2015.04.022]
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Habitat evaluation for target species following deep-waterchannel project in the Yangtze River(
)
长江深水航道工程后特征物种的生态评价
)Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]
- Volumn:
- 31
- Issue:
- 2015 4
- Page:
- 559-565
- Research Field:
- Environmental Science and Engineering
- Publishing date:
- 2015-12-30
Info
- Title:
- Habitat evaluation for target species following deep-waterchannel project in the Yangtze River
- 长江深水航道工程后特征物种的生态评价
- Author(s):
- Xu Sudong; Li Rui; Yin Kai
- School of Transportation, Southeast University, Nanjing 210096, China
- Keywords:
- deep-water channel project; hydrodynamic model; habitat suitability index; ecological engineering
- PACS:
- X826
- DOI:
- 10.3969/j.issn.1003-7985.2015.04.022
- Abstract:
- In order to optimize the design of a 12.5 m deep-water channel project and protect the ecological environment, it is necessary to study the habitat evaluation of species in the engineered area. A coupled eco-hydrodynamic model, which combines a hydrodynamic model(ADCIRC)and a habitat suitability index(HSI)model is developed for target fish(Coilia nasus)and benthos(Corbicula fluminea)in the Yangtze River in order to predict the ecological changes and optimize the regulation scheme. Based on the existing research concerning the characteristics of Coilia nasus and Corbicula fluminea, the relationship between the target species and water environment factors is established. The verification results of tidal level, velocity and biological density show that the proposed coupling model performs well when predicting ecological suitability in the studied region. The results indicate a slight improvement in the potential habitat availability for the two species studied as the natural hydraulic conditions change after the deep-water channel regulation works.
- 为了优化12.5 m深水航道整治工程设计及保护生态环境, 需要对工程区域的物种进行生态评价.将水动力模型(ADCIRC)和生态适宜度模型(HSI)进行耦合, 对长江特征物种刀鲚和河蚬进行生态适宜度评价, 以此预测生态环境变化并优化深水航道整治方案.基于已有研究建立了刀鲚和河蚬与水动力因素之间的关系, 并对研究区域内的潮位、流速及物种丰度进行了验证, 模型可用于预测该区域的生态适宜性.结果显示, 深水航道整治工程改变了工程区域的水动力条件, 在一定程度上提高了该区域刀鲚和河蚬的生态适宜度.
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Memo
- Memo:
-
Biography: Xu Sudong(1980—), male, doctor, associate professor, sudongxu@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.51209040, 51279134), the Natural Science Foundation of Jiangsu Province(No.BK2012341).
Citation: Xu Sudong, Li Rui, Yin Kai. Habitat evaluation for target species following deep-water channel project in the Yangtze River[J].Journal of Southeast University(English Edition), 2015, 31(4):559-565.[doi:10.3969/j.issn.1003-7985.2015.04.022]