What Happens if we Overfish the Oceans?

What Happens if we Overfish the Oceans? book cover — OVERFISHING IS NOT THE ONLY PROBLEM THAT NEEDS TO BE SOLVED TO PROTECT FISH AND OTHER SEALIFE ALTHOUGH POLLUTION FROM FACTORIES PESTICIDES AND OIL SPILLS POISON THE SEAS GLOBAL WARMING IS THE BIGGEST DANGER THE SEA IS BECOMING WARMER AND MORE ACIDIC AND THIS IS DAMAGING CORAL REEFS AND OTHER SEALIFE WARMER SEAS ALLOW SOME FISH TO MOVE INTO NEW AREAS WHERE THEY COMPETE WITH NATIVE FISH AND DISTURB EXISTING FOOD CHAINS Angela Royston What Happens if We Overfish the OCEANS

What Happens if we Overfish the Oceans? — page 1 — This Chinese fishing boat is one of many in the Pacific Ocean Among them Chinese fishing boats haul in one-third of the world’s total fishing catch Plenty of Fish in the Sea (cid:59)(cid:79)(cid:76)(cid:3)(cid:86)(cid:74)(cid:76)(cid:72)(cid:85)(cid:90)(cid:3)(cid:72)(cid:89)(cid:76)(cid:3)(cid:85)(cid:86)(cid:91)(cid:3)(cid:91)(cid:76)(cid:76)(cid:84)(cid:80)(cid:85)(cid:78)(cid:3)(cid:94)(cid:80)(cid:91)(cid:79)(cid:3)(cid:196)(cid:90)(cid:79)(cid:21)(cid:3)(cid:45)(cid:80)(cid:90)(cid:79)(cid:3)(cid:91)(cid:76)(cid:85)(cid:75)(cid:3)(cid:91)(cid:86)(cid:3)(cid:78)(cid:72)(cid:91)(cid:79)(cid:76)(cid:89)(cid:3) (cid:80)(cid:85)(cid:3)(cid:90)(cid:86)(cid:84)(cid:76)(cid:3)(cid:72)(cid:89)(cid:76)(cid:72)(cid:90)(cid:3)(cid:84)(cid:86)(cid:89)(cid:76)(cid:3)(cid:91)(cid:79)(cid:72)(cid:85)(cid:3)(cid:86)(cid:91)(cid:79)(cid:76)(cid:89)(cid:90)(cid:21)(cid:3)(cid:59)(cid:79)(cid:76)(cid:90)(cid:76)(cid:3)(cid:87)(cid:83)(cid:72)(cid:74)(cid:76)(cid:90)(cid:19)(cid:3)(cid:74)(cid:72)(cid:83)(cid:83)(cid:76)(cid:75)(cid:3) (cid:196)(cid:90)(cid:79)(cid:80)(cid:85)(cid:78)(cid:3)(cid:78)(cid:89)(cid:86)(cid:92)(cid:85)(cid:75)(cid:90)(cid:19)(cid:3)(cid:72)(cid:89)(cid:76)(cid:3)(cid:84)(cid:86)(cid:90)(cid:91)(cid:83)(cid:96)(cid:3)(cid:80)(cid:85)(cid:3)(cid:91)(cid:79)(cid:76)(cid:3)(cid:94)(cid:72)(cid:91)(cid:76)(cid:89)(cid:90)(cid:3)(cid:72)(cid:89)(cid:86)(cid:92)(cid:85)(cid:75)(cid:3)(cid:91)(cid:79)(cid:76)(cid:3) (cid:76)(cid:75)(cid:78)(cid:76)(cid:90)(cid:3)(cid:86)(cid:77)(cid:3)(cid:91)(cid:79)(cid:76)(cid:3)(cid:74)(cid:86)(cid:85)(cid:91)(cid:80)(cid:85)(cid:76)(cid:85)(cid:91)(cid:90)(cid:3)(cid:94)(cid:79)(cid:76)(cid:89)(cid:76)(cid:3)(cid:91)(cid:79)(cid:76)(cid:3)(cid:90)(cid:76)(cid:72)(cid:3)(cid:80)(cid:90)(cid:3)(cid:77)(cid:76)(cid:94)(cid:76)(cid:89)(cid:3)(cid:91)(cid:79)(cid:72)(cid:85)(cid:3) (cid:29)(cid:28)(cid:23)(cid:3)(cid:77)(cid:76)(cid:76)(cid:91)(cid:3)(cid:15)(cid:25)(cid:23)(cid:23)(cid:3)(cid:84)(cid:16)(cid:3)(cid:75)(cid:76)(cid:76)(cid:87)(cid:21)(cid:3)(cid:45)(cid:86)(cid:89)(cid:3)(cid:74)(cid:76)(cid:85)(cid:91)(cid:92)(cid:89)(cid:80)(cid:76)(cid:90)(cid:19)(cid:3)(cid:87)(cid:76)(cid:86)(cid:87)(cid:83)(cid:76)(cid:3)(cid:79)(cid:72)(cid:93)(cid:76)(cid:3)(cid:92)(cid:90)(cid:76)(cid:75)(cid:3) (cid:73)(cid:86)(cid:72)(cid:91)(cid:90)(cid:3)(cid:91)(cid:86)(cid:3)(cid:74)(cid:72)(cid:91)(cid:74)(cid:79)(cid:3)(cid:196)(cid:90)(cid:79)(cid:3)(cid:80)(cid:85)(cid:3)(cid:74)(cid:86)(cid:72)(cid:90)(cid:91)(cid:72)(cid:83)(cid:3)(cid:94)(cid:72)(cid:91)(cid:76)(cid:89)(cid:90)(cid:21) Ideal conditions Fish thrive where there is plenty of food They feed mostly on other fish in a food chain that relies on phytoplankton microscopic plants that float on the surface of the water For this reason fish mainly keep to the sunlit waters near the surface Below a depth of about 650 feet 200 m the water is dark Only a few fish can survive here and many of them come up to the upper layer to feed Where are most of the fish 4

What Happens if we Overfish the Oceans? — page 2 — A healthy coral reef is home to many different kinds of fish and other sea life Unfortunately many coral reefs are being destroyed by fishing and other environmental threats Number Crunchin g In 2010 a total of 85 3 million tons 77 4 million t of fish were caught worldwide In the western Pacific Ocean off the coast from South Korea to Indonesia 42 percent of the total was caught In the North Atlantic Ocean mostly off Western Europe 13 5 percent of the total was caught A further 10 percent was caught off the coast of South America Fishing grounds Many types of fish like cold water Some of the most plentiful fishing grounds are in cold waters off the coasts of Alaska Canada and Iceland In warmer tropical seas most fish are found around coral reefs Until the 1950s the fishing grounds had plentiful supplies of fish that were easy to catch Since then however stocks have been declining and now many fishing grounds are running out of fish 5

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