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The State of Queensland, Environmental Protection Agency 2008
Department of the Environment, Water, Heritage and the Arts, 2008
The boggomoss snail Adclarkia dawsonensis is currently the only described species in the genus. The boggomoss snail is a medium-sized snail characterised by a relatively thin, semi-transparent shell.
The boggomoss snail Adclarkia dawsonensis is listed as 'Critically Endangered' under the Commonwealth Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act).
Living populations of Adclarkia dawsonensis are currently known from only two localities in the Greater Taroom area. One is situated adjacent to a boggomoss (artesian spring) on Mt Rose Station. A second, and seemingly more robust population is present on a camping and water reserve on the Isla-Delusion crossing of the Dawson River approximately halfway between Taroom and Theodore.
Given the paucity of records for the boggomoss snail it is difficult to accurately speculate on the previous abundance and distribution of the species. However it has been suggested that the snail has undergone a severe reduction in numbers. This reduction in numbers is an inference based on the almost total destruction of its preferred habitat - riparian on alluvial flats in the Dawson River Valley. In the past, it is suspected that the boggomoss snail was much more widely spread on these flats, but these have been largely cleared for farming. The following threats to the snail's habitat have been identified:
The overall objective of this recovery plan is to manage and protect the boggomoss snail and its habitat.
The major actions of this recovery plan include; assessing the weed problem and controlling if necessary; developing and implementing a fire risk management plan; fencing the habitat critical to the survival of the snail to exclude cattle; and protecting the habitat of the snail through a voluntary conservation agreement with the landowners. Additional knowledge and understanding of the species is required. This will be achieved by: searching for additional populations of the species; determining the impact of other threatening processes; monitoring known populations of the snail; researching the genetics of the snail; and researching the ecology and life cycle of the snail. Increasing public and landholder awareness of the snail will be achieved through the media, brochures and extension activities.