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To 4-wheel drive or not on Australian beaches

Science - Climate

According to Australian researcher Thomas Schlacher, sandy beaches that allow off-road driving have one-half the number and variety of animal species than beaches that do not allow 4WD vehicles.       


Australian marine scientist Thomas Schlacher, from the University of the Sunshine Coast, Maroochydore (Queensland), states that off-roading on sandy beaches has a devastating effect on tiny animals that live around sand grains.

These tiny animals, almost too small to see, are either killed outright by the tires of the vehicles, or are left without homes as their habitat is destroyed by the vehicles.

Such destruction of these tiny animals, such as shrimp and sea-snails, however, causes an even worse problem.

The killing of the animals and destruction of their habitat adversely affects the larger ecosystem of the entire area because larger animals do not have as much to eat, which adversely affects even larger animals and likewise up the food chain.

Schlacher states, “Most people go to the beach and don't realize there's actually a lot of life there. If you take a handful of sand you can find dozens of species. The beaches are a habitat full of life." [ABC]

Schlacher and his colleagues studied the impact of off-road driving on those species of animals on four beaches on the Sunshine Coast of Queensland near Noosa.

Two of the beaches, Sunrise Beach and Peregian Beach, does not allow off-road traffic. The other two beaches, Teewah Beach and North Shore Beach, allow 4WD (four-wheel-drive) vehicles.
 
The researchers found that over 250,000 vehicles drive on these two sandy beaches each year.

Their research found that the two beaches allowing off-roading to occur has much less numbers and varieties of tiny animals in and around the beach area. In fact, Schacher states, “Overall, they were reduced by at least half.” [ABC]

Where to find the study. Please read on.
 


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