Locals urged to report invasive grass putting native species under threat

[Pelican Press 0]

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Locals urged to report invasive grass putting native species under threat

The Department of Primary Industries and Regional Development is urging Kununurra residents to be on the look out for gamba grass, a voracious weed which threatens native grass species and elevates fire risk.

Recent routine surveillance by DPIRD detected several immature gamba grass plants, also known as andropogon gayanus, along several roads near Kununurra.

Regional biosecurity co-ordinator Lindsay Strange called on the community to support DPIRD’s efforts to eradicate the weed by reporting sightings of the weed tussocks.

“Gamba grass is a tropical perennial grass that was introduced into Australia in the 1940s as a feed crop for cattle,” he said.

“It has become a significant weed across northern Australia due to its ability to grow to over four metres high and form dense patches which can burn at high intensity, posing a risk to flora and fauna, livestock and human life.

“There are a number of options to remove gamba grass and DPIRD has been working across the Kimberley to eradicate the weed for many years.

“While the recent detections have been removed, it’s important for DPIRD to know of any new sightings of the weed so department officers can take action.”

Gamba grass grows to form tussocks that are *******, taller and more dense than native grass species and has strappy leaves that can grow up to 60cm long, with a distinctive white midrib covered with soft hairs.

It also features fluffy flower heads on tall stems between April and June, depending on weather conditions, and remains green long into the dry season, when most native grasses have hayed off.

Gamba grass sightings can be reported via DPIRD’s MyPestGuide Reporter app or to its Pest and Disease Information Service on 9380 3080 or *****@*****.tld.

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