Ecological, economic and social considerations of spray control for Hymenachne : final technical report

Hymenachne, a Weed of National Significance (WoNS), is an aquatic plant invading northern Australia's wetlands and waterways. The proliferation of this weed is associated with serious ecological losses and there are substantial costs associated with its control. Hymenachne also deserves special attention given the nexus regarding its beneficial use as a ponded pasture species for livestock production and drought management, and the disadvantages associated with its spread and ecological impact. A key challenge in the management of this weed is to understand the best ways to approach Hymenachne control, whilst satisfying environmental, social and economic concerns.