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[Analysis on the ecosystem structure and function of Lake Taihu based on ecopath model]
Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|October 28, 2014
Summary
Lake Taihu
Area of Science:
- Ecology
- Freshwater Ecosystems
- Ecosystem Modeling
Background:
- Lake Taihu is an exploited freshwater ecosystem.
- Understanding its structure and function is crucial for management.
Purpose of the Study:
- To characterize the functioning and structure of Lake Taihu's ecosystem.
- To assess the impact of human activities, particularly fishing.
Main Methods:
- Utilized Ecopath with Ecosim 6.1 software.
- Modeled 20 functional groups, including primary producers, fish, and detritus.
- Analyzed trophic pathways, ecotrophic efficiency, and ecosystem development indices.
Main Results:
- The detrital pathway dominated Lake Taihu's ecosystem.
- Low ecotrophic efficiency led to internal nutrient pollution.
- The ecosystem exhibits characteristics of a low developmental stage.
- Intensive fishing negatively impacts the ecosystem, reducing top-down predator effects.
Conclusions:
- Lake Taihu's ecosystem is characterized by a dominant detrital pathway and internal pollution.
- Intensive fishing is detrimental, diminishing the influence of top predators.
- Ecosystem management strategies should address nutrient cycling and fishing pressure.
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