Native vegetation Native vegetation clearance Most native vegetation in South Australia is protected, requiring approval to clear. Native Vegetation Heritage Agreement The Native Vegetation Heritage Agreement encourages landowners to conserve biodiversity of native vegetation on their properties. Roadside Marker Scheme (blue markers) There are a number of ways we are managing natural vegetation in our area including; the development of a roadside vegetation management plan, the roadside market scheme and removal when required. Roadside Vegetation Management Plan We're able to manage our roadside vegetation through the Roadside Vegetation Management Plan. Conservation parks