Fish Production

Topics: Aquaculture, Fish, Overfishing Pages: 3 (626 words) Published: November 29, 2012

Aim: This task considers commercial fishing in a particular country in two different environments- the sea and fish farms (aquaculture). The data is taken from the UN Statistics Division Common Database.

*The following table gives the total mass of fish caught in the sea, in thousands of tonnes (1 tonne = 1000 kilograms)

Define suitable variables and discuss any parameters/ constraints. Using technology, plot the data points form the table on a graph. Comment on any apparent trends in your graph and suggest suitable models.

*Aquaculture pros and cons

Feeds the world's demand for seafood
Has a tremendous economic impact on world

Major impact it has on the ecology of the
Utilizes nets or traps may inadvertently capture
and kill other marine animals, including turtles,
dolphins or sharks.
70 percent of the world's fish species are
depleted" or "fully exploited."

Wild fish are usually healthier (higher in
Omega-3s) and less contaminated than farmed
Employs more than 200 million people around Overfishing
the globe
Many people prefer the taste of wild fish.
The shipping of fish all over the world uses
Farmed fish do not have as much room to
fossil fuels and pollutes the environment.
move which results in partial growth.

Using technology, plot the data points from the table on a graph.

Overall it seems as though the trend of the mass of fish caught in the sea follows an unpredictable pattern. The mass of fish increases at its highest from 1980-1988. From then onwards it takes it biggest plummet from 1988-1991, then increases rapidly from 1991-1995. After that there are at sharp increases which then follow sharp decreases which can be seen from 1995-2006. The mass of the fish between those time periods follow an up and down then up and down form of pattern. Fish caught at sea can have variables such as weather,...
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