Factors Affecting Sustainable Yield Calculation for Walleye Fishing in Lake Ontario
Introduction
Walleye fishing in Lake Ontario is an important activity for both recreational and commercial purposes. In order to ensure the long-term viability of the fishery, it is essential to calculate the sustainable yield accurately. The sustainable yield is the maximum number of fish that can be harvested without depleting the population. However, there are several factors that can affect the calculation of sustainable yield for Walleye fishing in Lake Ontario.
Factors Affecting Sustainable Yield Calculation
1. Fishing Effort: The level of fishing effort, including the number of boats, fishermen, and fishing gear used, can significantly impact the sustainable yield calculation. Higher fishing effort can lead to overfishing and reduce the sustainable yield. 2. Natural Mortality: Natural mortality refers to the rate at which fish die due to natural causes such as predation, disease, or old age. A higher natural mortality rate can decrease the sustainable yield as it reduces the overall population size. 3. Habitat Quality: The quality of the fish habitat in Lake Ontario plays a crucial role in determining the sustainable yield. Degraded habitat can limit the reproductive success of Walleye and reduce their overall population size. 4. Climate Change: Climate change can also impact the sustainable yield calculation for Walleye fishing in Lake Ontario. Changes in water temperature, precipitation patterns, and ice cover can affect the availability of food and the reproductive success of the fish. 5. Illegal Fishing: Illegal fishing practices such as poaching can lead to unsustainable harvest levels and reduce the sustainable yield. Effective enforcement of fishing regulations is essential to ensure sustainable Walleye fishing in Lake Ontario.Conclusion
In conclusion, the calculation of sustainable yield for Walleye fishing in Lake Ontario is influenced by a variety of factors including fishing effort, natural mortality, habitat quality, climate change, and illegal fishing. It is important to consider these factors when developing management plans to ensure the long-term sustainability of the fishery.
Which of the following would least affect a calculation of sustainable yield for fishing of Walleye in Lake Ontario?
Answer:
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Explanation: