Project   Implementation of Oyster Harbour  Catchment Plan     Delivery Organisation   Oyster Harbour Catchment Group This project addressed key degradation issues in the Oyster Harbour Catchment including salinity, water-logging, nutrient loss, soil erosion, sub soil acidity and non-wetting soils. It also aims to implement better management practices to maintain soil health and reduce off-site impacts. In addition the project identifies, protects and enhances remnant vegetation and bio-diversity in key macro corridors between the Stirling Range National Park and Porongurup National Park.