The eucalypt forest provides key habitat for rare and threatened species such as the powerful owl, the spotted quoll, mainland Australia's largest marsupial carnivore, and the long-footed potoroo.
[2] Some parts of Brown Mountain are already protected within the Errinundra National Park, other sections of forest designated as old growth by the Department of Sustainability and Environment between Legges Road and the Errinundra Road are under the control of VicForests, with logging being allowed.
[6] Recovery of the carbon debt from clearing intact natural eucalypt forests through afforestation or reforestation takes more than 100 years.
[7] Research into the age class structure of Brown Mountain's trees and the forest's carbon capacity is ongoing.
A temporary injunction on logging was ordered on September 14, 2009, by Justice Jack Forrest, after the environmental group Environment East Gippsland sued state-owned timber agency VicForests in the Supreme Court, arguing it would be failing its duty to protect native animals if it logged the two remaining coups as planned.