|Scientific Name:||Dendrolagus lumholtzi|
|Species Authority:||Collett, 1884|
|Red List Category & Criteria:||Near Threatened ver 3.1|
|Assessor(s):||Woinarski, J. & Burbidge, A.A.|
|Contributor(s):||Kanowski, J., Martin, R. & Winter, J.|
Lumholtz’s Tree-kangaroo has a restricted distribution (extent of occurrence <20,000 km2 and area of occupancy < 2,000 km2). The number of locations is unknown but probably not substantially more than 10. The population size is >10,000 mature individuals. There is no reliable assessment of trends in population size, but limited information provides weak (and inconsistent) inference of continuing population decline. Declines over last, or next three generation period are unlikely to approach 30%, so are insufficient to qualify for criterion A.
|Previously published Red List assessments:|
|Range Description:||This species is present in the rainforests between Ingham and Mossman in north-eastern Queensland, Australia. It is now largely restricted to upland rainforests because of extensive clearing of lowland rainforests. Its area of occupancy has declined substantially in upland areas because of clearing of prime habitat on basalt soils on the Atherton Tableland. About 41,000 ha of the original 66,000 ha of this habitat cleared (Kanowski et al. 2003). The elevational range is sea level to 1,600 m asl.|
|Range Map:||Click here to open the map viewer and explore range.|
Kanowski et al. (2001a) estimated that the 650 km2 of high altitude rainforest (>800 m a.s.l.) in the Wet Tropics World Heritage area supported 10,000 to 20,000 individuals, and this would represent the majority of the population.
|Current Population Trend:||Unknown|
|Habitat and Ecology:|
Lumholtz’s Tree-kangaroo is restricted mostly to rainforest habitats, but also extends along riparian vegetation through primarily open forest habitats, and less abundantly in wet sclerophyll forests along the western edge of the Atherton Tablelands (Kanowski et al. 2001a).
|Continuing decline in area, extent and/or quality of habitat:||No|
|Generation Length (years):||8|
|Movement patterns:||Not a Migrant|
|Major Threat(s):||Historically, the main threat has been reduction of habitat, but this has ceased with the declaration of the Wet Tropics World Heritage Area, and the species appears to have been able to persist in the mosaic of fragmented habitat (particularly where there are available habitat corridors). On the Atherton Tableland, increased fragmentation makes them more vulnerable to predation by dogs, although strategic reforestation on the Atherton Tableland opens the possibility of some recovery of its original area of occupancy in the future (Maxwell et al. 1996). In agricultural areas where it occurs, predation by dogs and road kills represent threats. Climate change and associated factors have been predicted to have a major detrimental impact on this species, acting directly or indirectly through reduction in rainforest area, reduction in foliar nitrogen concentration, habitat degradation due to increased incidence of severe cyclones, increased incidence of high temperatures, and reduced incidence of free water in mist (Kanowski 2001, 2004; Kanowski et al. 2001; Winter 2004).|
|Conservation Actions:||This species is present in the Wet Tropics World Heritage Area. The species has been promoted as a flagship species, and it has a very high profile in the region where it occurs. Recommended conservation actions for this species, from Maxwell et al. (1996), include: monitor distribution and abundance; study habitat utilization and population dynamics in fragmented and regenerating rainforest habitats.|
IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-1. Available at: www.iucnredlist.org. (Accessed: 30 June 2016).
Johnson, P. M., and Newell, G. R. 2008. Lumholtz’s Tree-kangaroo Dendrolagus lumholtzi. In: S. Van Dyck and R. Strahan (eds), The mammals of Australia, pp. 310-311. Reed New Holland, Sydney.
Jones, K.E., Bielby, J., Cardillo, M., Fritz, S.A., O'Dell, J., Orme, C.D.L., Safi, K., Sechrest, W., Boakes, E.H., Carbone, C., Connolly, C., Cutts, M.J., Foster, J.K., Grenyer, R., Habib, M., Plaster, C.A., Price, S.A., Rigby, E.A., Rist, J., Teacher, A., Bininda-Emonds, O.R.P., Gittleman, J.L., Mace, G.M. and Purvis, A. 2009. PanTHERIA: a species-level database of life history, ecology and geography of extant and recently extinct mammals. Ecology 90: 2648.
Kanowski, J. 2001. Effects of elevated CO2 on the foliar chemistry of seedlings of two rainforest trees from north-east Australia: implications for folivorous marsupials. Austral Ecology 26: 165-172.
Kanowski, J. 2004. What factors control the distribution and abundance of folivorous possums inhabiting rainforests of the Atherton Tablelands in north-east Queensland? In: R.L. Goldingay and S.M. Jackson (eds), The biology of Australian possums and gliders, pp. 539-548. Surrey Beatty and Sons, Sydney.
Kanowski, J. and Tucker, N. I. J. 2002. Trial of shelter poles to aid the dispersal of tree-kangaroos on the Atherton Tablelands, north Queensland. Ecological Management and Restoration 3: 137-138.
Kanowski, J., Catterall, C.P. and Winter, J.W. 2008. Impacts of cyclone Larry on arboreal folivorous marsupials endemic to upland rainforests of the Atherton Tableland, Australia. Austral Ecology 33: 541-548.
Kanowski, J., Felderhof, L., Newell, G., Parker, T., Schmidt, C., Wilson, R., and Winter, J.W. 2001. Community survey of the distribution of Lumholtz’s Tree-kangaroo on the Atherton Tablelands, north-east Queensland. Pacific Conservation Biology 7: 79-86.
Kanowski, J., Hopkins, M. S., Marsh, H. and Winter, J. W. 2001. Ecological correlates of folivore abundance in north Queensand rainforests. Wildlife Research 28: 1-8.
Kanowski, J.J., Winter, J.W., Simmons, T. and Tucker, N.I.J. 2003. Conservation strategy for Lumholtz's tree-kangaroo on the Atherton Tablelands. Ecological Management and Restoration 4: 220-221.
Laurance, W F. 1990. Comparative responses of five arboreal marsupials to tropical forest fragmentation. Journal of Mammalogy 71: 641-653.
Laurance, W.F. 1991. Ecological correlates of extinction proneness in Australian tropical rain forest mammals. Conservation Biology 5: 79-89.
Laurance, W.F. 1995. Extinction and survival of rainforest mammals in a fragmented tropical landscape. In: W.Z. Lidicker (ed.), Landscape approaches in mammalian ecology and conservation, pp. 46-63. University of Minnesota Press, Minneapolis.
Laurance, W.F. 1997. Responses of mammals to rainforest fragmentation in tropical Queensland: a review and synthesis. Wildlife Research 24: Wildlife Research.
Laurance, W.F., Laurance, S.G., and Hilbert, D.W. 2008. Long-term dynamics of a fragmented rainforest mammal assemblage. Conservation Biology 22: 1154-1164.
Martin, R.W. 2005. Tree-kangaroos of Australia and New Guinea. CSIRO, Melbourne.
Maxwell, S., Burbidge, A.A. and Morris, K. 1996. The 1996 Action Plan for Australian Marsupials and Monotremes. Australasian Marsupial and Monotreme Specialist Group, IUCN Species Survival Commission, Gland, Switzerland.
Newell, G.R. 1999. Australia’s tree-kangaroos: current issues in their conservation. Biological Conservation 87: 1-12.
Newell, G.R. 1999. Home range and habitat use by Lumholtz’s Tree-kangaroo (Dendrolagus lumholtzi) within a rainforest fragment in north Queensland. Wildlife Research 26: 129-145.
Newell, G.R. 1999. Responses of Lumholtz’s Tree-kangaroo (Dendrolagus lumholtzi) to loss of habitat within a tropical rainforest fragment. Biological Conservation 91: 181-189.
Williams, S.E., Bolitho, E.E. and Fox, S. 2003. Climate change in Australian tropical rainforests: an impending environmental catastrophe. Proceedings of the Royal Society 270: 1887-1892.
Winter, J. W. 2004. Forest mammals of northern Queensland: is their conservation status improving? In: D. Lunney (ed.), Conservation of Australia’s forest fauna, pp. 435-451. Royal Zoological Society of New South Wales, Mosman, NSW.
Woinarski, J.C.Z., Burbidge, A.A. and Harrison, P.L. 2014. The Action Plan for Australian Mammals 2012. CSIRO Publishing, Collingwood.
|Citation:||Woinarski, J. & Burbidge, A.A. 2016. Dendrolagus lumholtzi. The IUCN Red List of Threatened Species 2016: e.T6432A21957815.Downloaded on 23 July 2016.|
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