Protecting wetlands The conservation of wetlands is guided by the NSW Wetlands Policy, the Ramsar Convention and state and national programs. photo_cameraOpen description Wavy marshwort (Nymphoides crenata) bloom in Macquarie Marshes Nature Reserve closeClose descriptionImage Credit: Nicola Brookhouse/DCCEEW Threats to wetlands Human activity, pests and weeds and climate change are some of the main threats to wetlands.east How wetlands are protected Find out about the programs, policies and activities that help threatened wetlands survive and thrive.east NSW Wetlands Policy There are 12 principles that guide the way wetlands are looked after and preserved.east Endangered wetland communities Find out which wetland communities are listed as endangered, and why.east Internationally significant wetlands Twelve NSW wetlands are listed under an international convention that aims to protect their ecological character.east Other protected wetlands Many NSW wetlands are nationally significant, protected under a coastal planning policy or in national parks.east