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What are the ecological roles of freshwater fish species? 


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Freshwater fish species play important ecological roles in freshwater ecosystems. They contribute to nutrient cycling, trophic dynamics, productivity, and ecosystem engineering. They are also involved in the connection of different ecosystems through migrations. Freshwater fish species have high diversity and are responsible for several important functions in the ecosystem. They are valuable resources for food, sport, and have high ornamental value. However, they face numerous threats such as overexploitation, habitat loss and fragmentation, introduction of non-native species, and pollution. These threats can have negative impacts on fish diversity and disrupt their ecological roles. Freshwater invertebrates, including arthropods and molluscs, are important food sources for freshwater fishes and contribute to the stability of lotic ecosystems. They also provide aesthetic benefits and are widely used for biological monitoring of environmental quality. However, some freshwater invertebrates can be disease vectors and pests, while invasive species can have economic influences on humans.

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The provided paper does not explicitly mention the ecological roles of freshwater fish species.
Book ChapterDOI
Vincent H. Resh, David M. Rosenberg 
01 Jan 2015
5 Citations
The provided paper does not specifically discuss the ecological roles of freshwater fish species.
The paper mentions that freshwater fish species are responsible for fundamental ecological processes and functions such as nutrient cycling, trophic dynamics, productivity, ecosystem engineering, and ecosystems connection through migrations, among others.
The paper does not explicitly mention the ecological roles of freshwater fish species. The paper focuses on the importance of fish and fishery resources in riverine ecosystems and their significance as sources of food for humans.
The paper does not specifically mention the ecological roles of freshwater fish species.

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