The Great Barrier Reef

The Great Barrier Reef on the Queensland coast of Australia is one of the seven natural wonders of the world. It consists of 3000 different reef systems, hundreds of tropical islands and immense biodiversity. It is the only living thing that can be viewed from space. There are over 400 types of coral, 1500 types of tropical fish and some sea turtles being more than 120 years old. This gorgeous reef used to be pristine, however there are various human threats which may lead to the demise of the Great Barrier Reef. The main threats according to the WWF are listed below:

Image from <http://www.greatbarrierreef.org/about.php>

• Climate change is the major threat as it is increasing ocean temperatures, acidification and sea levels which have enormous impacts of the reef ecosystems.
• Coral bleaching is when the coral looses pigmentation due to stress of environmental and human impacts. Surveys show that 60% of the reef haas already experienced bleaching.
• Pollution due to human activity has lead to reduced health of the reef. More than 1/3 of the reef has been affected by human pesticides.
• Overfishing based on the high levels of demand by humans. Trawling for prawns is allowed in 1/3 of the marine park but leads to bycatching precious native animals and plants.

Image from <http://www.anzang.samuseum.sa.gov.au/index.php?blog/show/Our-Impact-2009.html>

By understanding the major threats to the reef, it is vital to realise that we need to live a sustainable life and minimise our impact on the environment as these threats may mean that the next generation cannot enjoy the beauty of the Great Barrier Reef.

Until next time,

Keep loving the green life