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In the last few decades:
Fisheries resources are not unlimited or inexhaustible. We can overharvest fish populations on lakes, rivers and reservoirs of all sizes and have done so in South Dakota. Overharvest - What’s it all about? Overharvest of a fish population occurs when harvest exceeds what the population can annually replace. Overharvest reduces the quality of a fish population for years to come.
There is a portion of each fish population that can be harvested each year without hurting its ability to maintain its quality, in terms of number and sizes of fish. The size of that portion changes annually based on past reproduction, fish growth and angler harvest. For many fisheries, we are currently at, or have surpassed, a level of sustainable harvest. If we hope to maintain or improve the quality of fish populations, the impact of each fishing trip on fisheries resources must decrease. Imagine a fish population as a pie. The pie doesn’t become any larger as more people want a slice of pie. To prevent overharvest from occurring, each slice taken must be smaller. On a daily basis, the maximum size of an individual’s slice of pie is set by the daily regulations. For an entire year, how large each angler’s slice of pie gets depends upon:
Practice Selective Harvest To Do Your Part If we want to maintain or improve fisheries resources, without adding more complicated and restrictive fishing regulations, we must practice selective harvest. Learn about each body of water you intend to fish and what level of harvest is appropriate. The key to maintaining and improving fisheries resources for the future is in the selective harvest of these resources on each and every fishing trip. Selective harvest requires that we make an effort to be aware of our personal impact on fisheries resources on both a daily and yearly basis. To estimate your personal impact on fish populations, ask yourself the following questions:
To get an idea of your reasons for keeping fish, ask yourself the following questions:
The best way to reduce your individual impact on fisheries resources is to take a good look at your own harvest practices:
Do you ever waste fish by?
Ways to reduce your impact on fish populations:
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