The graphs present information about the number of two kind of fish which seized close to Westhaven and the number of trawling vessels in Westhaven during 4 years from 2008 to 2010. Overall, the number of two kind fish, tuna and swordfish between 2008 and 2009. It was a slight increased, and followed in 2010 until 2011 tuna rose constantly. Otherwise, swordfish was fell in 2010 and went up rapidly in 2011. The number of trawling vessels, there was an upward trend from 2008 to 2011.
As can be clearly seen, between 2008 and 2009 the number of trawling in Westthaven increased slightly from 50 to approximately 55. After that, there was dramatic decreased by 10 in 2010, and reached peaked at 75 in 2011.
In comparison, the number of two kind fish, between 2008 and 2011 tuna was increased gradually from about 75 in 2008 to 100 in 2011. Whereas, swordfish from 65 in 2008 rose rapidly to 90 but fell quickly by around 20 in 2011. After that increased again to 90.
As can be clearly seen, between 2008 and 2009 the number of trawling in Westthaven increased slightly from 50 to approximately 55. After that, there was dramatic decreased by 10 in 2010, and reached peaked at 75 in 2011.
In comparison, the number of two kind fish, between 2008 and 2011 tuna was increased gradually from about 75 in 2008 to 100 in 2011. Whereas, swordfish from 65 in 2008 rose rapidly to 90 but fell quickly by around 20 in 2011. After that increased again to 90.