Articles on Freshwater

Displaying 21 - 27 of 27 articles

Australia’s north is home to many pristine rivers, but most national parks are focused on land-based conservation. Carole Mackinney/Wikimedia Commons

Why are there no true freshwater protected areas in Australia?

Freshwater ecosystems such as rivers, lakes and wetlands are precious. They contain several-times more vertebrate species per unit area than land and ocean environments, and they are more degraded. Protected…
Across California there are plenty of signs of just how dry it’s been, such as here in Topanga Canyon near Los Angeles. wasim muklashy/Flickr via CC BY-NC-SA

California’s severe drought shows why we need to raise the price of water

Last January, California Governor Jerry Brown declared a State of Emergency following projections of severe drought. State bureaucrats and local officials jumped into action and mandated any number of…
Spending on water-saving infrastructure could expose Murray-Darling farmers to debt and drought. Michelle Bartsch/Flickr

The latest Murray-Darling plan could leave farmers high and dry

The federal government’s approach for the Murray-Darling Basin Plan has shifted again, and now favours water-saving infrastructure over purchasing water rights. But is it the right move? The new scheme…
Water management in the Murray-Darling may be inadvertently helping the common carp at the expense of native fish. Tom Rayner

Alien fish boom shows difficulty of replenishing Murray-Darling

Wetlands and rivers need water – not least in the case of Australia’s biggest river system, the Murray-Darling Basin, which has been the target of an “environmental watering” plan designed to preserve…
Leckie’s Crayfish is found in a tiny mountain stream in northern New South Wales. Jason Coughran

Australian endangered species: Leckie’s Crayfish

Australia has about 135 species of freshwater crayfish - and we’re still describing more. Case in point are the Cherax group of crayfish, which includes the critically endangered Hairy Marron from Western…
Fracking would exacerbate problems with low water levels in reservoirs. John Giles/PA

Water supplies may struggle to cope with fracking demands

The drilling and hydraulic fracturing (fracking) of wells for oil or gas is a well-established technique and requires large quantities of water. During the initial drilling of the well, water is needed…
It’s hard being a tiny snail in a Great Lake. Karen Richards

Australian endangered species: Tasmanian snails and limpets

While you’re worrying about pygmy-possums and hairy-nosed wombats spare a thought for some of Australia’s least known endangered species. Freshwater molluscs - snails, slugs and mussels - are in trouble…

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