Across south-east Australia, the population of many plants and animals declined substantially during the millennium drought and some haven’t recovered. Scientists hope recent floods might give those species their chance.
At least two people died in floods in Victoria and farmers are counting the cost of widespread destruction of livestock and crops.La Trobe University ecologist Professor Andrew Bennett said theflooding would encourage a system-wide increase in animal populations, particularly those that became isolated and smaller during the drought, like frogs.
“The way we manage water, with all the diversions, means the natural flooding regimes have changed and some of these plant species don’t get the flooding they used to,” Bennett said., a critically endangered bird that lives in arid grasslands, prefers open, sparse plains, and during periods of strong grass growth their usual habitat might become less suitable.
Murray crayfish had been badly affected by the low oxygen levels in rivers and many have been spotted crawling onto the riverbank, where they dry out and die.
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