Case-In-Point Analysis - SPECIES RICHNESS IN LAKE VICTORIA University of Phoenix SCI362 - environmental Ethics Facilitator: Steven Goldsmith August 16, 2010 Lake capital of Seychelles, the worlds second-largest freshw taker lake in East Africa has an abnormal variety of species of cichlid look fores. The ecological health of Lake Victoria, previously the home of ab stunned 400 species of cichlids, has been gravely change as a result of a apace exploitation population, clearance of natural vegetation along the shores, a halcyon fish-export industry, the disappearance of nearly(prenominal) fish species native to the lake, fat issue of algae, and dumping of untreated effluent by several industries (Chege, 2010, para. 1). much of this damage is widespread and irreparable. The opposite types of cichlids had amazingly different eating habits.
Some grazed on algae; some consumed dead organic material at the foundation of the lake; and others ate insects, shrimp, or other cichlid species (Raven, Berg, & Hassenzahl, 2010, p. 83). immediately to a greater extent than half of these cichlids and other native fish of Lake Victoria be now extinct. Because of the extinction of these algae-eating fish, the algal has grown out of control. When an increase population of algae dies, their decomposition uses up the fade aside atomic number 8 in the lake. With too teeny dissolved oxygen at the bottom of the lake, any fish swimming into the oxygen-free district will die from suffocation. A major(ip) reader to the destruction of Lake Victorias ecological balance was the d eliberate adit of the Nile repose, a large! and voracious predator, into the lake (Raven, Berg, & Hassenzahl, 2010, p. 83). Supporters of introducing the Nile stay believed that once the fish was successfully established, it would bring the local economy cover song to life and help local fishermen. However, as the population of the Nile perch slowly increased, it did not have a... If you want to get a full essay, order it on our website: OrderEssay.net
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