Ecosystems at Risk

Topics: Amazon Rainforest, Coral reef, Brazil Pages: 2 (720 words) Published: December 2, 2012
Humans have been associating with ecosystems and changing them for as long as the start of human life. An ecosystem is a community of species and their non-living environment working in cohesion. Ecosystems at risk, such as The Amazon rainforest and the GBR are those which are heavily affected by change and if altered they require a long time to return to their former state. Human activities such as fishing, tourism and deforestation have had huge impacts on the balance of these ecosystems.

The Great Barrier Reef is the largest biological organism in the world, the balanced ecology of the Great Barrier Reef is very vulnerable to even the smallest human influence. The range, frequency and the scale of human impacts on coral reefs are building to the extent that reefs are threatened globally. Pollution, global warming and over-fishing are the main factors that are tipping the stability of the ecosystems within the coral reefs. Pollution has made a huge impact on the Great Barrier Reef and its struggle for survival, human based pollution has caused such harm to our reefs that it needs to be stopped or reduced dramatically in order to save our this fragile ecosystem. The human pollution has been a major source for issues concerning the Great Barrier Reef and its struggle to survive in modern day conditions.

The Amazon rainforest is one of the world’s largest tropical rainforest covering more than half of Brazil. Deforestation is the major concern in the Amazon Forest, there is little thought been given to sustainable methods for the region. Due to Brazil’s economic situation, the government decided to use the Amazon Basin to increase activity in the agricultural industry; As a result the largest factor of forest destruction has been to create temporary cattle pastures but because most of the regions poor soil the pastures is only viable for a few years. Government policies have allowed the destruction of the forest to be so extensive that there are no more...
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