Part 1 of Essay
has been a reoccurring phenomenon for centuries. Man has only started to realize how much of the worlds weather is effected by it. The term refers to an irregular warming of the seas surface. During the last 40 years there have been 10 significant occurrences. Most affecting the coast of South America. Water temp ....

Part 2 of Essay
.... decrease in the primary life forms that form the beginning of the food chain. The warmer waters that are brought by these changing cycles hold less dissolved oxygen forcing fish to go deeper or venture elsewhere. Due to a lack of data during occurrences it is not fully known if fish populations are depleted solely due to exposure to . A decrease in their growth and reproductive success has been observed by many surveys in coastal waters. The link between climatic effects around the world and is now well est ....