Introduced Species

Global biodiversity suffers as humanity lives beyond its means

Australia

Bridie Smith and Inga Ting Australia’s ecological footprint is the 13th-largest in the world - and is likely to get bigger following the repeal of the carbon tax, conservation group WWF has warned.

Botanic Gardens use barcodes to determine origin of species

Sophia Phan We know a tree's rings can tell us how old it is. Now scientists are using DNA-style technology to identify where trees come from.

Wasps nest warning as numbers peak

100216  The Canberra Times Times   Photo by KATE LEITH. Dr Phillip Spradbery with one of his precious European wasps  this one a queen wasp from his vast collection SPECIAL 001

Emma Kelly Canberrans are being urged to keep a close eye out for European wasps and potential nest sites before the winter hibernation period closes in.

Pushy myna birds a major nest pest

Common Myna.

Bridie Smith Research shows the myna bird is proving a major problem for native bird species.

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Shock tactics give researchers insight into endangered fish habitat

perch

Nicky Phillips, Science Researchers are using electro-fishing to capture endangered Macquarie perch to survey the endangered fish species.

Expert advises big fix for jumbo-sized problem

elephant

Nicky Phillips, SCIENCE Kangaroos and koalas should share this wide, brown land with elephants, a scientist has advised.

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Living with nature's original sin

Enviro-Reformation.

Michael Duffy It's been suggested that passionate environmentalism is a bit like religion. It has its own sense of original sin, the belief that the New World was once a pristine and stable wilderness that was...

The last refuge

Quoll

'No one is allowed to sleep until we find it.'' Ecologist Dr James Smith is half joking but the force of his voice suggests he is determined, even a bit desperate.

Regular rain gives birth to irregular boom time at Lake Eyre

Sunrise over the Kalaweerina Creek where it flows into Lake Eyre.

Tom Arup ACROSS the great Lake Eyre basin that covers the heart of Australia, there is an environmental boom occurring, the kind not seen in decades.

First the rains came, then the birds

Rains have revitalised the great Lake Eyre Basin

Tom Arup Across the great Lake Eyre Basin, an environmental boom is occurring.

Enemy invaders or rare new species?

Nicky Phillips Introduced plant species are becoming stronger, more versatile invaders by rapidly evolving to suit Australia's harsh climate, research has found.

Holding the fate of a species in caring hands

Orange-bellied parrot

Peter Ker There are moments when the Tasmanian wilderness achieves pure silence, leaving city ears straining for noise.

Last chance for a bird in the hand

Facing extinction, these rare birds have been given a helping hand to fight back, writes Peter Ker.

Axe the thirsty willow and spare the river

Nicky Phillips SCIENCE REMOVING willow trees from river banks could return hundreds of megalitres of water to struggling river systems, research by the CSIRO has found.

Party locked and loaded to go hunting in national parks

Brian Robins The Shooters and Fishers Party wants the new state government to allow the hunting of feral animals in national parks along with a review of marine parks, saying ''political'' factors underscored...

Heritage threat: lake shores in danger

The shores of Lake Burley Griffin have made a list of the heritage places most at risk in Australia - to the surprise of the National Capital Authority.

A fifth of plants face extinction: study

A visitor views a collection of cycads, one of the most threatened groups of plants in the Sampled Red List Index for Plants, in a greenhouse at Kew Gardens

More than a fifth of the world's plant species faces the threat of extinction, according to research released on Wednesday.