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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.
The maximum sustainable yield is usually higher than the optimum sustainable yield and maximum economic yield. MSY is extensively used for fisheries management . Unlike the logistic ( Schaefer ) model, [ 1 ] MSY has been refined in most modern fisheries models and occurs at around 30% of the unexploited population size.
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]
An open entry policy usually results in too many fishermen so profits are barely higher than opportunity costs. See economic rent. Maximum sustainable yield (MSY) – the maximum catch that can be taken from a species' stock over an indefinite period. Under the assumption of logistic growth, the MSY will be exactly at half the carrying capacity ...
The maximum sustainable yield (MSY) is defined as "the highest average catch that can be continuously taken from an exploited population (=stock) under average environmental conditions". MSY was originally calculated as half of the carrying capacity, but has been refined over the years, [ 36 ] now being seen as roughly 30% of the population ...
The S&P 500 index (SNPINDEX: ^GSPC) is yielding a scant 1.2%. By comparison, the 6.3% yield on offer from Enbridge (NYSE: ENB) and the 6.4% from Enterprise Products Partners (NYSE: EPD) are huge ...
The tax-equivalent yield of a municipal bond is the effective pre-tax yield that you would need to earn to equal the tax-free yield on the muni. If you’re considering investing in muni bonds, it ...
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, because constancy is not an attribute of marine ...