| Coastal Polution - The destruction of sea grass by increased sedimentation and high levels of nutrints in one of the biggest problems facing the Australian marine enviroment. - Over a third of the oil found in the sea comes from the land. - At any one time around 500 seals in Tsamanian waters have 'collars' of plastic litter around their necks. - 34% of surfing beaches have one or more storm water outlets on them. - OiI spills account for only 5% of oil entering the ocean. - Most frequently found items in beach clean ups are plastics, followed by plastic foam, plastic utensils, glass and cigarette butts. - As many as 20,000 northern fur seals die each year from becoming entangled in netting. - Air pollution is responsible for almost one third of the toxic ontaminants and nutrients that enter coastal areas and oceans. - There are 109 countries with coral reefs. Reefs in 90 countries are being damaged by tourism- cruise ships anchors sewage, tourists taking chunks of coral, and by commercial harvestin for sale to tourists. - The anchor from one cruise ship can destroy a sea area the size of half a football field. - |
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