Global Warming Causes Risk to Fisheries Worldwide
Editorials News | Mar-16-2018
A new research has been conducted by the University of California. It has been estimated by the Irvine scientists that the world fisheries will become less productive by the year 2300. The North Atlantic fisheries will decline by 60 percent and those in Western Pacific will decline more than 50 percent. The UCI climatologists have outlined the results of computer simulations and have confirmed three more centuries of unstoppable global warming. The mean surface air temperature in the future may go up to as high as 9.6 degree Celsius. This warming will lead to change in wind patterns; increased surface temperature and melt all the sea ice in polar regions. These environmental changes will cause changes in phytoplankton growth and ocean circulation around Antarctica, which in turn will transfer the nutrients from upper ocean to deep ocean. As a result, the marine ecosystems will be starved for nutrients causing reduced photosynthesis in phytoplanktons which are the basis of the food chain in the oceans. The main key factors are: the long-term warming trend in the oceans, the changes in winds due to global climate warming and, the decrease in sea ice along the coast of Antarctica. This decrease in the fish food will cause a depletion in the important fisheries. As a result, the scientists are concerned that this issue of increased global warming requires immediate attention. To keep a check on global warming, it is important to reduce fossil fuel use and emissions of greenhouse gas pollutants.
By: Anuja Arora
Source: https://www.sciencedaily.com/releases/2018/03/180308143129.htm
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