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WA Backs 150-Kilometer Water Barrier to Halt Cane Toads’ Push Toward the Pilbara

The plan exploits a dry bottleneck south of Broome by toad-proofing pastoral waterpoints.

Overview

  • Curtin University modeling warns cane toads are advancing about 40–50 km a year, with Broome projected within two to three wet seasons and the Pilbara within 10–20 years without intervention.
  • Researchers propose a 150 km containment zone between Broome and Port Hedland by upgrading roughly 150 dams to tanks and troughs that toads cannot access.
  • The Age reports backing from pastoralists, BHP, Rio Tinto, the Skip Foundation, and state government approval, with waterpoint upgrades planned to begin next year.
  • Without containment, the study projects colonization of up to 75% of the Pilbara in three decades, placing about 25 native species at serious risk and pushing some toward higher threat categories.
  • Scientists highlight cultural and economic stakes, warning of declines in species important to Traditional Custodians and potential new conservation obligations for the mining sector.