Dhimurru Aboriginal Corporation (Dhimurru) is a community-based natural and cultural resource management agency established in 1992 by the Yolngu traditional owners of land and sea estates in the Gove Peninsula region of North East Arnhem Land in the Northern Territory.
The Djelk rangers operate in the area around Maningrida in the north east of the Northern Territory, an enormous area of approximately 10,000 sq kms located entirely within the Arnhem Land Aboriginal Land Trust.
The Garawa are the traditional owners of country in the southwest Gulf of Carpentaria: their country covers approximately 30,000 sq km. Garawa estates also include sea country in the southwest Gulf. On the Garawa ALT there is the community of Robinson River with approximately 150 people resident, and six outstations.
The traditional owners of the Waanyi/Garawa Aboriginal Land Trust (ALT) (also known as the Nicholson Block) are the Waanyi and Garawa peoples. The land trust is approximately 60 km from the coast in the southern Gulf of Carpentaria and abuts the Northern Territory/Queensland border, and is approximately 12,000 sq km in area.
Warddeken Land Management Limited cares for country within the west Arnhem plateau of the Northern Territory, immediately east of Kakadu National Park.
The Yirralka rangers in association with Yolngu traditional owners manage both land and sea in the Laynhapuy Indigenous Protected Area (IPA), which covers 6,900 sq. km in North East Arnhem Land, extending south from the Gove Peninsula to Blue Mud Bay.
The Yugul Mangi Land and Sea Management Corporation is based in Ngukurr in south east Arnhem Land. The area of operation is approximately 20,000 sq km and includes the Roper River and sea country as far north as Wuyagiba to Limmen Bight in the southern Gulf of Carpentaria. The rangers also work inland as far as Womena.