Invasive species

The Carp Herpes Virus (scientifically known as Cyprinid herpesvirus 3 or KHV) is a biological control agent proposed by the Australian government to combat the invasive common carp. Since its introduction in the 1800s, carp have decimated Australia's freshwater ecosystems, with experts estimating they make up 80 to 90 per cent of the fish biomass in the Murray-Darling Basin.

New data has revealed the NSW Government is contributing just ‘bits of bacon’ to the desperate effort to curb feral pigs, the state’s peak farm body says. Media reports of 53,000 feral pigs culled by authorities over the past year were dwarfed by the estimated tens of millions of the pests farmers were reporting in the paddock, NSW Farmers’ President Xavier Martin said.

Cane toads are predicted to invade Western Australia’s Pilbara region by 2041 if left unchecked, but the Northern Territory’s population of the pests hold key lessons that could save billions in eradication costs ... academics found the toxic creatures could colonise three quarters of the Pilbara, threatening 25 native species in the biodiversity hotspot.

Satellite imagery and artificial intelligence can detect with high accuracy two invasive weed species in Australia, posing a new opportunity for defense against these pervasive plants. Research conducted by Charles Darwin University (CDU) and Charles Sturt University (CSU) explored the potential for SkySat satellite imagery and AI algorithms to detect and map African lovegrass (Eragrostis curvula) and bitou bush (Chrysanthemoides monilifera ssp. rotundata).

The Territory’s 45 million hectares of cattle country is “some of the most intact” land in Australia, something that pastoral families, over more than a century, have achieved not “by locking the country away ... Romy Carey, CEO of the Northern Territory Cattlemen’s Association, is making a powerful point in her group’s current newsletter, as her $1.5 billion a year industry is facing Chinese trade restrictions and criticism over its position on buffel weed.

Colleen Krestensen. With the repeal of the Kosciuszko Wild Horse Heritage Act 2018 (NSW), the Australian Brumby Alliance and brumby rehoming organisations are deeply concerned that the NSW Government and NPWS will move to quickly slaughter the remaining brumbies by aerial culling or other lethal methods ... The ABA strongly believes that with the brumby population in Kosciuszko National Park now as low as 579 horses, and the perceived density problem addressed, there is time to review how the remaining horses are managed and to make animal welfare an imperative.

The debate about buffel needs to be broadened to take account of the weed's current and future commercial as well as social consequences. The pastoral industry, in love with the irresponsibly introduced plant, has leases over half of the NT, land that is owned by the people of the NT. From 31 December they will have just 43 days to comment on how the government should be dealing with the scourge, declared a weed in 2024, yet still expanding in the region's prime tourism areas.

Alex Nelson. When I moved to Pitchi Richi Sanctuary in October 2022, buffel grass smothered almost the entire site. Aside from a small area around the resident caretaker's cottage, I assessed that buffel grass comprised a minimum of 99.9 per cent of the groundcover across the entire property.

Adam Kerezsy ... the inland rivers of Australia's Murray-Darling Basin are already well-inhabited by invasive – or alien – species ... Unfortunately, in the Lachlan, there’s a new kid on the block. Oriental weatherloach is an eel-like animal from Asia that started off in Australia as an aquarium fish.

An invasive weed not seen in the Lockyer Valley for more than half a century has been detected at Forest Hill, prompting Council to issue an alert. A Lockyer Valley Regional Council contractor recently raised the alarm after stumbling upon an infestation of rubber vine in the rail reserve at Forest Hill.

Whether the risks posed by imports from Australia's trading partners are being sufficiently assessed and addressed, whether we really need to or should import certain products at all, and whether Australia is becoming complacent, resigned, or courting disaster for political Brownie points - such questions are being asked more often. ... This last week, Australia's biosecurity around beef and banana imports was called into question by David Littleproud, Leader of The Nationals and Shadow Agriculture Minister. ARR.News sought a response from Julie Collins, the Minister for Agriculture, Fisheries and Forestry ...

Agriculture Victoria is urging farmers to be mindful of import requirements and to keep watch for red imported fire ants (RIFA) when sourcing fodder from interstate. Agriculture Victoria acting Chief Plant Health Officer, Stephen Dibley, said RIFA - or Solenopsis invicta - is one of the worst invasive ant species in Australia.

While politicians and activists agonise over the merits of the wars in Gaza and Ukraine, a far more insidious war rages on — not between nations, but between species. It’s the war we barely talk about, yet one we’re losing badly: the war against invasive pests. From farmland to forest, the frontlines are everywhere, and the casualties aren’t measured in headlines but in trees, crops, ecosystems — and billions of taxpayer dollars.

The Allan Labor Government is expanding recreational hunting in East Gippsland – boosting tourism, supporting local jobs and helping control wild deer. Minister for Outdoor Recreation Steve Dimopoulos today announced that the National Parks Act will be amended to allow seasonal deer hunting in Errinundra and Snowy River National Park. 

Tasmania’s peak farming body, TasFarmers, is today releasing its bold long-term vision for the state, calling on all political parties to commit to strategic policy that supports the growth and sustainability of agriculture ... "The policy platform outlines key reforms across multiple areas, including local government rates, invasive species management, freight, and workforce development.

Sally Jarvis. A NAIDOC Week Wild Weedy Weaver project launch will celebrate indigenous culture with weaving demonstrations using an introduced pest plant on July 12 ... Attendees can reflect and celebrate the creative and cultural possibilities of learning more about and working with introduced species.

Ninety years ago this month, Australia embarked on an ambitious but ultimately ill-fated experiment in biological control. In 1935, Queensland sugar cane farmers faced a relentless enemy—the cane beetle ...

NSW Premier Chris Minns has sparked debate around the introduction of a bounty on feral animals. Speaking on radio last week Mr Minns suggested that a system where shooters are paid a small fee for each feral animal killed could be a "novel way" to reduce their populations, which he believes have "taken over a lot of parks."

A non-toxic, environmentally friendly method of controlling weeds and pests in horticultural crops that has already proved successful in the United States and Europe will now be tested in Australia through a $4.74 million project led by La Trobe University. 

Prue Weir spoke about the issue of tropical soda apple at the Kyogle Council meeting on Monday, April 14. Ms Weir is a part of a group of residents formed in late 2023 to raise awareness of the insidious weed ... “It is an environmental disaster,” Ms Weir said.