The irreversible cattle-driven transformation of a seasonally flooded Australian savanna

Journal of Biogeography

Volumn 30, Issue 5, 2003, Pages 783-802

  Sharp, Ben R ^a,b   Whittaker, Robert J ^a  

^a UNIVERSITY OF OXFORD   (United Kingdom)

^b CHARLES DARWIN UNIVERSITY   (Australia)

Author keywords

Degradation; Fire; Grazing; Northern Territory; Stability; Transitions; Tree grass interactions; Tropical savannas; Vegetation dynamics; Woody plant encroachment

Indexed keywords

CATTLE; FLOODING; GRAZING; LIVESTOCK; SAVANNA; TEMPORAL VARIATION; TROPICAL ENVIRONMENT; VEGETATION;

AUSTRALIA;

BOS TAURUS; CYPERACEAE; EUCALYPTUS MICROTHECA; EXCOECARIA; EXCOECARIA PARVIFOLIA; MICROTHECA; POACEAE; VICTORIA;

EID: 0038531112     PISSN: 03050270     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-2699.2003.00840.x     Document Type: Article

References (65)

1. Andrew, M.H. (1986) Selection of plant species by cattle grazing native monsoon tallgrass pasture at Katherine, N.T. Tropical Grasslands, 20, 120-127.
2. Archer, S. (2002) Woody plant encroachment bibliography. Public domain website: http://rangeweb.tamu.edu/archer/bibliography.htm. Accessed 10 January 2002.
3. Archer, S. & Stokes, C.J. (2000) Stress, disturbance, and change in rangeland systems. Rangeland degradation. Advances in vegetation science, Vol. 19 (eds O. Arnalds and S. Archer), pp. 17-24. Kluwer Press, The Netherlands.
4. 2? Climatic Change, 29, 91-99.
5. Belsky, A.J. (1990) Tree/grass ratios in East African savannas: a comparison of existing models. Journal of Biogeography, 17, 483-489.
6. Bowman, D.M.J.S. (1998) Tansley Review No. 101: the impact of Aboriginal landscape burning on the Australian biota. New Phytologist, 140, 385-410.
7. Bowman, D.M.J.S. (2001) On the elusive definition of 'Australian rainforest': response to Lynch and Neldner (2000). Australian Journal of Botany, 49, 1-3.
8. Bowman, D.M.J.S. & Minchin, P.R. (1987) Environmental relationships of woody vegetation patterns in the Australian monsson tropics. Australian Journal of Botany, 35, 151-169.
9. Bowman, D.M.J.S., Garde, M. & Saulwick, A. (2001) Kunj-ken makka man-wurrk (Fire is for kangaroos): interpreting Aboriginal accounts of landscape burning in Central Arnhem Land. Essays in honour of Rhys Jones (eds A. Anderson, I. Lilley and S. O'Connor), pp. 61-78. ANH Publications, Australian National University, Canberra.
10. Brown, J.R. & Archer, S. (1987) Woody plant seed dispersal and gap formation in a North American subtropical savanna woodland: the role of domestic herbivores. Vegetatio, 73, 73-80.
11. Bureau of Meteorology, Australia (2001) Climate averages for Australian sites. Public domain website: http://www.bom. gov.au/climate/averages/tables/cw_014850. shtml. Accessed 10 January 2002.
12. Burrows, W.H., Compton, J.F. & Hoffmann, M.B. (1998) Vegetation thickening and carbon sinks in the grazed woodlands of north-east Australia. Proceedings of the Australian Forest Growers Conference, 6-9 July 1998. Lismore, NSW.
13. DeAngelis, D.L. & Waterhouse, J.C. (1987) Equilibrium and nonequilibrium concepts in ecological models. Ecological Monographs, 57, 1-21.
14. Dyer, R. (1997) Developing sustainable pasture management practices for the semi-arid tropics of the Northern Territory. Unpublished Report, Northern Territory Department of Primary Industry and Fisheries, Katherine.
15. Eckhardt, H.C., van Wilgen, B.W. & Biggs, H.C. (2000) Trends in woody vegetation cover in the Kruger National Park, South Africa, between 1940 and 1998. African Journal of Ecology, 38, 108-115.
16. Ellis, J.E. & Swift, D.M. (1988) Stability of African pastoral ecosystems: alternate paradigms and implications for development. Journal of Range Management, 41, 450-459.
17. Fensham, R.J., Fairfax, R.J., Holman, J.E. & Whitehead, P.J. (2002) Quantitative assessment of vegetation structural attributes from aerial photography. International Journal of Remote Sensing, 23, 2293-2317.
18. Freeland, W.J. & Choquenot, D. 1990. Determinants of herbivore carrying capacity: plants, nutrients, and Equus asinus in northern Australia. Ecology, 71, 589-597.
19. Foran, B.D., Bastin, G. & Hill, B. (1985) The pasture dynamics and management of two rangeland communities in the Victoria River District of the Northern Territory. Australian Rangeland Journal, 7, 107-113.
20. Gardener, C.J., McIvor, J.G. & Williams, J. (1990) Dry topical rangelands: solving one problem and creating another. Proceedings of the Ecological Society of Australia, 16, 279-286.
21. Hanley, T.A. (1978) A comparison of line-interception and quadrat estimation methods of determining shrub canopy coverage. Journal of Rangeland Management, 31, 60-62.
22. Harrington, G.N. & Johns, G.G. (1990) Herbaceous biomass in a Eucalyptus savanna woodland after removing trees and/or shrubs. Journal of Applied Ecology, 27, 775-787.
23. Haynes, C.D. (1985) The pattern and ecology of munwag: traditional Aboriginal fire regimes in north central Arnhemland. Proceedings of the Ecological Society of Australia, 13, 203-214.
24. Hollingsworth, I.D. & Aldrick, J.M. (1997) The proposed Bradshaw field training area, soil properties and land unit mapping. Final report to Connel Wagner. CSIRO Land and Water, Consultancy report 97-48. CSIRO, Canberra.
25. Jacklyn, P. (2000) Tropical savannas: not what they used to be. Savanna Links: Monthly Newsletter of the Cooperative Research Council for the Sustainable Development of Tropical Savannas, 14, 1-4.
26. 2 and plant-plant interactions: effects on natural vegetation. Vegetatio, 104/105, 157-170.
27. Kadmon, R. & Harari-Kremer, R. (1999) Studying long-term vegetation dynamics using digital processing of historical aerial photographs. Remote Sensing of Environment, 68, 164-176.
28. Knoop, W.T. & Walker, B.H. (1985) Interactions of woody and herbaceous vegetation in a southern African savanna. Journal of Ecology, 73, 235-253.
29. Lane, A.M. & Orr, T.M. (1997) Bradshaw field training area baseline vegetation survey and vegetation management. Report to Connell Wagner. ERA Environmental Services Pty Ltd, Darwin, September 1997.
30. Lane, A.M. & Orr, T.M. (1999) Bradshaw field training area additional vegetation survey. Report to the Department of Defence. ERA Environmental Services Pty Ltd, Darwin, July 1999.
31. Laycock, W.A. (1991) Stable states and thresholds of range condition on North American rangelands: a viewpoint. Journal of Range Management, 44, 427-433.
32. Lewis, H.T. (1991) Technological Complexity, Ecological Diversity, and Fire Regimes in Northern Australia: Hunter-Gatherer, Cowboy, Ranger. Profiles in cultural evolution. Anthropological papers no. 85 (eds A.T. Rambo and K. Gillogly), pp. 261-288. University of Michigan, Ann Arbor, MI.
33. Lewis, D. (2002) Slower than the eye can see: environmental change in the Victoria River District since European settlement, 104 pp. Tropical Savannas CRC, Darwin.
34. Madany, M.H. & West, N.E. (1983) Livestock grazing-fire regime interactions within montane forests of Zion National Park, Utah. Ecology, 64, 661-667.
35. McDonald, R.C., Isbell, R.F., Speight, J.G., Walker, J. & Hopkins, M.S. (1990) Australian soil and land survey field handbook. CSIRO Land and Water, CSIRO Publishing, Canberra.
36. Milchunas, D.G. & Lauenroth, W.K. (1993) Quantitative effects of grazing on vegetation and soils over a global range of environments. Ecological Monographs, 63, 327-366.
37. Minchin, P.R. (1986) An evaluation of the relative robustness of techniques for ecological ordination. Vegetatio, 69, 89-107.
38. Minchin, P.R. (1990) DECODA user's manual. Research School of Pacific Studies, Australian National University, Canberra.
39. 2 concentrations. BioScience, 41, 96-104.
40. Mott, J.J. (1987) Patch grazing and degradation in native pastures of the tropical savannas of northern Australia. Grazing lands research at the plant-animal interface (eds F. Horn, J. Hodgson, J.J. Mott and R.W. Brougham), pp. 153-162. Winrock International, Arkansas.
41. Mulvaney, J. & Kamminga, J. (1999) Prehistory of Australia, 480 pp. Allen and Unwin, Sydney.
42. Norton-Griffiths, M. (1979) The influence of grazing, browsing and fire on the vegetation dynamics of the Serengeti. Serengeti: dynamics of an ecosystem (eds A.R.E. Sinclair and M. Norton-Griffiths), pp. 310-352. University of Chicago Press, Chicago, IL.
43. Petheram, R.J. & Kok, B. (1983) Plants of the Kimberley region of Western Australia. University of Western Australia Press, Nedlands.
44. Polley, H.W. (1997) Implications of rising atmospheric carbon dioxide concentration for rangelands. Journal of Range Management, 50, 562-577.
45. Reid, R.S. & Ellis, J.E. (1995) Impacts of pastoralists on woodlands in South Turkana, Kenya: livestock-mediated tree recruitment. Ecological Applications, 5, 978-992.
46. Roberts, S.J. (1993) Fire on the Gapalg (floodplain): contemporary Aboriginal and other burning patterns in Kakadu National Park, Northern Australia. Fire in wetlands; a management perspective. Proceedings of the Tall Timbers Fire Ecology Conference No. 19 (eds S.I. Cerulean and R.T. Engstrom), pp. 31-38. Tall Timbers Research Station, Tallahassee.
47. Roques, K.G., O'Conner, T.G. & Watkinson, A.R. (2001) Dynamics of shrub encroachment in an African savanna: relative influences of fire, herbivory, rainfall, and density dependence. Journal of Applied Ecology, 38, 268-280.
48. Russell-Smith, J., Lucas, D., Gapindi, M., Gunbunuka, B., Kapirigi, N., Namingam, G., Lucas, K., Giuliani, P. & Chaloupka, G. (1997) Aboriginal resource utilisation and fire management practice in western Arnhem Land, monsoonal northern Australia: notes for prehistory, lessons for the future. Human Ecology, 25, 159-195.
49. Scholes, R.J. & Archer, S.R. (1997) Tree-grass interactions in savannas. Annual Review of Ecology and Systematics, 28, 517-544.
50. Sharp, B.R. & Bowman, D.M.J.S. (in press) Patterns of long-term woody vegetation change in a sandstone-plateau savanna woodland, Northern Territory, Australia. Journal of Tropical Ecology, in press.
51. Skarpe, C. (1990) Shrub layer dynamics under different herbivore densities in an arid savanna, Botswana. Journal of Applied Ecology, 27, 873-885.
52. Skarpe, C. (1991) Impact of grazing in savanna ecosystems. Ambio, 20, 315-356.
53. Skarpe, C. (1992) Dynamics of savanna ecosystems. Journal of Vegetation Science, 3, 293-300.
54. Sternberg, L. da S.L. (2001) Savanna-forest hysteresis in the tropics. Global Ecology and Biogeography, 10, 369-378.
55. Stott, P. (1991) Recent trends in the ecology and management of the world's savanna formations. Progress in Physical Geography, 15, 18-28.
56. Sullivan, S. (1996) Towards a non-equilibrium ecology: perspectives from an arid land. Journal of Biogeography, 23, 1-5.
57. Tothill, J.C. & Mott, J.J. (1985) Australian savannas and their stability under grazing. Proceedings of the Ecological Society of Australia, 13, 317-322.
58. Walker, B.H. (1993) Rangeland ecology: understanding and managing change. Ambio, 22, 80-87.
59. Walker, B.H. & Noy-Meir, I. (1982) Aspects of the stability and resilience of savanna ecosystems. Ecology of tropical savannas; ecological studies, Vol. 42 (eds B.J. Huntley and B.H. Walker), pp. 556-590. Springer-Verlag, New York.
60. Walker, B.H., Ludwig, D., Holling, C.S. & Peterman, R.M. (1981) Stability of semi-arid savanna grazing systems. Journal of Ecology, 69, 473-498.
61. Walker, B.H., Langridge, J.L. & McFarlane, F. (1997) Resilience of an Australian savanna grassland to selective and non-selective perturbations. Australian Journal of Ecology, 22, 125-135.
62. Wilson, A.D. (1990) The effect of grazing on Australian ecosystems. Proceedings of the Ecological Society of Australia, 16, 287-301.
63. Winter, W.H. (1991) Australia's northern savannas: a time for change in management philosophy. Journal of Biogeography, 17, 525-529.
64. Yates, C., Russell-Smith, J. & May, T. (2000) Monitoring and assessment of fire regimes and their effects on habitat for long-term management of Bradshaw Field Training Area, Northern Territory. Unpublished Report to Australian Defence Force. Bushfires Council of the Northern Territory, Darwin.
65. Yibarbuk, D., Whitehead, P.J., Russell-Smith, J., Jackson, D., Godjuwa, C., Fisher, A., Cooke, P., Choquenot, D. & Bowman, D.M.J.S. (2001) Fire ecology and Aboriginal land management in central Arnhem Land, northern Australia: a tradition of ecosystem management. Journal of Biogeography, 28, 325-343.