'Residents are warned to stay out of the water until a cause is determined.' 9News
The sight of lifeless silvery fish will become more common, according to one marine biologist who believes La Nina will exacerbate mass fish kills in Australia.The warning also comes after "thousands" ofHundreds of dead fish found washed up at Lake Macquarie.
"With climate change it's quite likely, almost a guarantee, we will see more severe weather events, which can ultimately lead to fish deaths.Guida explained floodwater can decrease the amount of oxygen available in riverine and marine environments as it can generate bacteria and algal blooms.Road signs are submerged under floodwater along the Hawkesbury River near the Windsor Bridge.
Although it has not been formally confirmed he suspects recent wet weather and flash flooding contributed to the die-off."Thousands" of dead fish, including this white-spotted eagle ray, were found washed up on the shore of Manning Park over the weekend. "The Department of Planning and Environment labs tested for a full suite of metals and found levels below the ANZECC marine water quality guidelines ," a statement read.
"What supposedly happened is the coral spawn hadn't been able to dissipate as effectively and essentially created coral spawn slicks that were trapped close to the coast
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