What got rid of cane grubs in Australia?

What got rid of cane grubs in Australia? “They’re just doing what they’re good at, which is thriving and multiplying.” (Image credit: Radio Pictures P/L.) Cane toads (Bufo marinus) were a complete failure at killing Australia’s sugar cane-ravaging beetles. Instead of controlling the pests, the toads have become pests themselves. What was introduced to kill […]

Why are boomerangs dangerous?

Why are boomerangs dangerous? The returning boomerang is generally considered to have developed from the nonreturning types, which swerve in flight. The nonreturning boomerang is longer, straighter, and heavier than the returning variety. With it animals were maimed and killed, while in warfare it caused serious injuries and death. How do boomerangs kill? The first […]

How does brine affect the environment?

How does brine affect the environment? Environmental Impacts of Brine (Produced Water) (R1850, June 2017) Brine, or produced water, is a byproduct of oil and gas production. Brine has a high salt concentration the ions of the salts negatively affect the site’s soil and vegetation, impairing its ability to produce crops and forage. How does […]

What do Redfin bully eat?

What do Redfin bully eat? Eats aquatic invertebrates. Some indigenous fish species are widespread but in low numbers and declining, e.g. longfin eel, giant kokopu, koaro and inanga. Where do bully fish live? They are found in a range of habitats including streams, rivers and lakes. Bullies are well camouflaged against sand and rocks, but […]

Who brought carp to Australia?

Who brought carp to Australia? Others claim the first introduction was to Victoria in the 1870s. The earliest documented report was from David Stead who purchased carp from a “bird and animal dealer “in Sydney and introduced them into Prospect Reservoir in 1907 and 1908. They became known as the “Prospect strain”. Why was carp […]

What percent of Australians have phones?

What percent of Australians have phones? 89% Mobile technologies are embedded in everyday life. Today, 89% of Australians own a smartphone (Deloitte, 2018a), and the average Australian spends three hours every day using their smartphone – working, playing, connecting with family and friends (Deloitte, 2018a). How many phones are there in Australia? 31.01 million mobile […]

Which nation is the least developed?

Which nation is the least developed? According to the Human Development Index, Niger is the least developed country in the world with an HDI of . 354. Is Australia an LDC? Australia has provided over $250 million to the Heavily Indebted Poor Countries (HIPC) Initiative and the subsequent Multilateral Debt Relief Initiative. Out of the […]

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