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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]
In fisheries terms, maximum sustainable yield (MSY) is the largest average catch that can be captured from a stock under existing environmental conditions. [22] MSY aims at a balance between too much and too little harvest to keep the population at some intermediate abundance with a maximum replacement rate.
Three ways of defining a sustainable fishery exist: Long term constant yield is the idea that undisturbed nature establishes a steady state that changes little over time. Properly done, fishing at up to maximum sustainable yield allows nature to adjust to a new steady state, without compromising future harvests. However, this view is naive ...
The issue of over-fishing in the mid-1850s led to a new reference point for fishery management known as the maximum sustainable yield. [14] Sustainable yield in fishery management is defined as the number of fish that can be extracted without reducing the base of fish stock, and the maximum sustainable yield is defined as the number of fish ...
The population dynamics of fisheries is used by fisheries scientists to determine sustainable yields. [1] [2] The basic accounting relation for population dynamics is the BIDE (Birth, Immigration, Death, Emigration) model, shown as: [3] N 1 = N 0 + B − D + I − E
The maximum sustainable yield (MSY) is the largest amount of biomass that can be collected annually for indefinite periods. MSY assesses the productive capacity of the fishery, rather than demand or economic costs. MSY output may be greater or less than monopolistic or competitive output.
All the Fish in the Sea: Maximum Sustainable Yield and the Failure of Fisheries Management is a 2011 book by Carmel Finley.The book argues that the policies for international fishing and whaling management were essentially locked in place by 1958, and that the United States played a large role in setting them.
In environmental science, optimum sustainable yield is the largest economical yield of a renewable resource achievable over a long time period without decreasing the ability of the population or its environment to support the continuation of this level of yield, and enables an ecosystem to have a high aesthetic value.