AUSTRALIA is considering building an exclusion fence in an effort to stop the northward advance of one of the country’s most devastating pests, the cane toad.
The fence would be built across the neck of the Cobourg peninsula north-east of Darwin, part of the Gurig national park. No more than 9 kilometres long, it would be dwarfed by the 1600-kilometre rabbit fence erected in Western Australia. But if it keeps the poisonous toads out of the national park, it would be a major achievement, says Delia Lawrie, chair of the Northern Territory’s environment and sustainable development parliamentary committee. “It would…
