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A handful of fish stocks has declined to the point of their survival being threatened; To make it possible for small fishing companies to compete with massive fishing fleets; Failure to prevent or terminate overfishing of the International fishery agreement; To provide optimal yields on a continuing basis to preserve and maintain fisheries [3]
The concept of maximum sustainable yield (MSY) has been used in fisheries science and fisheries management for more than a century. Originally developed and popularized by Fedor Baranov early in the 1900s as the "theory of fishing," it is often credited with laying the foundation for the modern understanding of the population dynamics of fisheries. [1]
The Gordon-Schaefer model is a bioeconomic model applied in the fishing industry.It may be used to compute the maximum sustainable yield.It takes account of biological growth rates, carrying capacity, and total and marginal costs and revenues.
The Sustainable Fisheries Act of 1996 is an amendment to the Magnuson-Stevens Fishery Conservation and Management Act, a law governing the management of marine fisheries in the United States. Another major amendment to this legislation was later made under the Magnuson-Stevens Fishery Conservation and Management Reauthorization Act of 2006 .
The fishing industry is worth $4 billion annually, as of 2010. [18] Fish harvesting and processing corporations are invested in the political process to maximize their profits, to protect against foreign competition and to prevent regulations from making their proprietary information available to the public.
Although it is widely practiced by state and federal government agencies regulating wildlife, forests, and fishing, MSY has come under heavy criticism by ecologists and others from both theoretical and practical reasons. [14] The concept of maximum sustainable yield is not always easy to apply in practice.
The maximum sustainable yield is usually higher than the optimum sustainable yield. This logistic model of growth is produced by a population introduced to a new habitat or with very poor numbers going through a lag phase of slow growth at first. Once it reaches a foothold population it will go through a rapid growth rate that will start to ...
Fisheries objectives need to be expressed in concrete management rules. In most countries fisheries management rules should be based on the internationally agreed, though non-binding, Code of Conduct for Responsible Fisheries, [8] agreed at a meeting of the U.N.'s Food and Agriculture Organization FAO session in 1995.