Darling River Eco Corridor 4

Darling River Eco Corridor 4 is a Human-Induced Regeneration (HIR) project located approximately 85km southwest of Cobar in the remote Western Division of New South Wales. Registered in April 2016, the project covers a substantial area of 61,878 hectares within the Cobar Shire Council local government area. The surrounding region is characterized by extensive rangeland grazing, primarily for sheep, goats, and cattle, and is known for its "Mulga Lands" landscape.

The project operates under the Human-Induced Regeneration methodology, which involves regenerating permanent native forest by removing suppression mechanisms rather than planting new trees. In this context, the primary suppressors are introduced livestock and feral animals, particularly goats, which consume young saplings before they can mature. By installing new fencing, managing grazing timing, and controlling feral animal populations, the project allows in-situ seed sources and rootstock to regenerate naturally.

Environmentally, the region is semi-arid with low and variable rainfall, typically averaging between 250mm and 350mm annually. The terrain features slightly undulating plains with red sandy loam soils (Kandosols) and red earths (Chromosols), supporting native vegetation such as Mulga (Acacia aneura), Turpentine (Eremophila sturtii), and Hopbush (Dodonaea viscosa). This project is part of a larger aggregation known as the "Darling River Eco Corridor," managed by Terra Carbon (a subsidiary of GreenCollar), which aims to create a contiguous zone of protected vegetation to improve biodiversity and soil stability in the Darling River catchment.