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The World Wildlife Fund and the Zoological Society of London jointly issued their "Living Blue Planet Report" on 16 September 2015 which states that there was a dramatic fall of 74% in world-wide stocks of the important scombridae fish such as mackerel, tuna and bonitos between 1970 and 2010, and the global overall "population sizes of mammals ...
Sustainability can mean different things to different people. Some may view sustainable fishing to be catching very little in order for fish populations to return to their historical levels (represented by the upper left green area), while others consider sustainability to be the maximum amount of fish we can catch without depleting stocks any further (red dot).
The World Development Report 2010 – Development and Climate Change, Chapter 3 [53] shows that reducing overcapacity in fishing fleets and rebuilding fish stocks can both improve resilience to climate change and increase economic returns from marine capture fisheries by US$50 billion per year, while also reducing GHG emissions by fishing fleets.
To improve their overfishing prevention programs, the NMFS has implemented the Fish Stock Sustainability Index (FSSI), which measures key stocks according to their overfishing status and biomass levels. Since the FSSI began the index has increased every year. [12] The act also has impacts on financial matters.
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]
A report by Prince Charles' International Sustainability Unit, the New York-based Environmental Defense Fund and 50in10 published in July 2014 estimated global fisheries were adding $270 billion a year to global GDP, but by full implementation of sustainable fishing, that figure could rise by an extra amount of as much as $50 billion. [55]
The Marine Stewardship Council (MSC) is a non-profit organisation which aims to set standards for sustainable fishing.Fisheries that wish to demonstrate they are well-managed and sustainable compared to the MSC's standards are assessed by a team of Conformity Assessment Bodies (CABs).
According to a survey by the Outdoor Foundation, 60.3% of fishermen report fishing as a means of getting exercise, 59.1% report fishing to bond with family, and 51.2% report fishing to be close to nature and observe the scenery. [11] Some of the fish caught are also large, providing a source of nutrition to successful fishermen.