Scientists say the River Murray flood has been 'disastrous' for the region's bird species, prompting urgent calls for better management and intervention of the river system.
"We've now got an algal bloom taking place here," Dr Paton said.
"The birds are now limited to the fact they've got to forage on the tops of this rather yucky-looking, filamentous green algae."Dr Paton said there was no tracking of the birds to understand which ones had flocked to now flooded inland waterways, and which ones had just disappeared. Numbers in the Coorong's south lagoon are believed to have plummeted from 1,500 in the 1990s to about 300 today.Its usual nesting sites are underwater and ecologists have only managed to find one nest this year in the south lagoon, with the eggs at risk of flooding.
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