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Dr Selina Ward explains why sediment harms the Great Barrier Reef
Brisbane Times
10 January 2014
“There are a lot of impacts that are possible certainly whenever we are dredging large amounts of sediment. We have the potential for that sediment to move.
“It is being dug up, it circulates and what that does is, first of all, there can be things which are stored in these older sediments and whilst this is probably not going to be as bad as it was in Gladstone, there is still the potential for a lot of nitrogen and phosphorous, metals, pesticides – that sort of thing – to be present in those sediments and become available in the surrounding water. Read more
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