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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 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 Sri Lankan Ministry of Fisheries have estimated that damage of Rs 700 million has been done to the fishing gear of Sri Lanka fishermen by Indian bottom trawlers. [8] With over 1000 Indian trawlers engaged in bottom trawling at a time, the Indian Coast Guard and the Sri Lankan Navy has been active in thwarting illegal maritime activities. [9]
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.
Sri Lanka: 332,623 59,080 ... Following is a sortable table of the world fisheries' harvest of aquatic plants for 2005. The tonnage from capture and aquaculture is ...
In population ecology and economics, the maximum sustainable yield or MSY is, theoretically, the largest catch that can be taken from a fishery stock over an indefinite period. [8] [9] Under the assumption of logistic growth, the MSY will be exactly at half the carrying capacity of a species, as this is the stage at when population growth is ...
Sustainable yield in fisheries#Maximum sustainable yield; Retrieved from "https: ...
Services accounted for 58.2% of Sri Lanka's economy in 2019 up from 54.6% in 2010, industry 27.4% up from 26.4% a decade earlier and agriculture 7.4%. [41] Though there is a competitive export agricultural sector, technological advances have been slow to enter the protected domestic sector. [42]