More than 2700 exotic plant and 73 exotic animal species have been introduced into Australia which severely impact agriculture systems, urban areas, and the natural environment.
Predation by feral cats is listed as a key threatening process under the EPBC Act 1999. Cats kill a wide range of native wildlife and spread disease and parasites, and for this reason are thought to reduce the distribution and abundance of many native species.
Feral pigs were introduced into the Australian landscape via earlier settlers and have since caused an extensive amount of damage to environmental areas, and to high quality agricultural land each year as a result of rooting, wallowing, grazing, trampling and predation. Read more.
Giant rat’s tail grass
Native to central and southern Africa, Giant rat’s tail (GRT) grass is a robust, upright perennial grass that grows in large tussocks. GRT grass can produce approximately 80,000 seeds per square meter with 90% seed viability. Read more
Hymenachne amplexicaulis, native to South America, was introduced as a ponded pasture grass for cattle fodder during the dry seasons. However this plant is highly invasive invading lagoons, wetlands, rivers, creeks and table drains. Read more ..
Itch grass is vigorous annual, cane-like grass with an average maximum height of 3m. The plants ‘aerial’ prop roots help to distinguish the stem from other common grasses in the region. Read more.
In our tropical coastal area Leucaena leucacephala subspecies leucopehala has become a weed, invading creek banks, roadsides and mangrove margins. Experts advise that while the subspecies leucopehala is predominant, a number of other subspecies can be identified in the Mackay Whitsunday Region. Read more..
Mimosa pigra is a much–branched, thorny legume shrub that grows along waterways and invades freshwater wetlands and swamps. Read more.
Pond Apple (Annona glabra) is a major weed impacting areas in northern Queensland. Pond Apple was originally imported to Australia in 1912 as root stock for Custard Apple. Read more.
The Rubber vine is a vigorous climber which can grow either as a many stemmed shrub 1-2 meters in height or scrambling up to 30 meters in trees. It was originally introduced into Australia as an ornamental shrub during the 1800s. Read more.
Noxious tilapia species Oreochromus mossambicus was identified at a number of locations within the Gooseponds Lagoons and at McCreadys Creek. More information, Lower Pioneer Tilapia Report (pdf), Predator Control Update June 2015 (pdf), Predator Control Update January 2016 (pdf), Gooseponds Log Hotel Feasibility (pdf).
Read about the large number of high priority weeds and feral animals within our region.
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