Competition by herbs as a limiting factor in shrub invasion in grassland: A test with different growth forms

Journal of Vegetation Science

Volumn 9, Issue 6, 1998, Pages 829-836

  Brown, Joel R ^a,b   Scanlan, J C ^c   McIvor, John G ^a  

^a CSIRO   (Australia)

^b USDA NRCS   (United States)

^c Mines and Water   (Australia)

Author keywords

Acacia nilotica; Cryptostegia grandiflora; Exotic shrub: Tropical savanna; Weed invasion

Indexed keywords

COMPETITION; GRASSLAND; GROWTH FORM; HERB; LIMITING FACTOR; SHRUB;

ACACIA NILOTICA; CRYPTOSTEGIA GRANDIFLORA;

EID: 0344938218     PISSN: 11009233     EISSN: None     Source Type: Journal    
DOI: 10.2307/3237048     Document Type: Article

References (39)

1. Anderson, J.M. & Ingram, J.S.I. 1989. Tropical soil biology and fertility: A handbook of methods. C.A.B. International, Wallingford.
2. Archer, S. 1994. Woody plant encroachment into southwestern grasslands and savannas: rates, patterns and proximate causes. In: Vavra, M., Laycock, W. & Pieper, R. (eds.) Ecological implications of livestock herbivory in the West, pp. 13-68. Society for Range Management, Denver, CO.
3. 2? Clim. Change 29: 90-101.
4. Bengtsson, J., Fagerström, T. & Rydin, H. 1994. Competition and coexistence in plant communities. Trends Ecol. Evol. 2: 246-250.
5. 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.
6. Brown, J.R. & Archer, S. 1989. Woody plant invasion of grasslands: establishment of honey mesquite (Prosopis glandulosa var. glandulosa) on sites differing in herbaceous biomass and grazing history. Oecologia (Berl.) 80: 19-26.
7. Brown, J.R. & Archer, S. 1990. Water relations of a perennial grass and seedling versus adult woody plants in a subtropical savanna, Texas. Oikos 57: 366-374.
8. Brown, J.R. & Carter, J. 1998. Spatial and temporal patterns of exotic shrub invasion in an Australian tropical grassland. Landscape Ecol. 13: 93-102.
9. Burrows, W.H., Carter, J.O, Scanlan, J.C. & Anderson, E.R. 1990. Management of savannas for livestock production in north-east Australia: contrasts across the tree-grass continuum. J. Biogeogr. 17: 503-512.
10. Bush, J.K. & Van Auken, O.W. 1990. Growth and survival of Prosopis glandulosa seedlings associated with shade and herbaceous competition. Bot. Gaz. 151: 234-239.
11. Carter, J.O. & Cowan, D.C. 1993. Population dynamics of prickly acacia Acacia nilotica, subsp. indica (Mimosaceae). In: Delfosse, E.S. (ed.) Pests of pastures: Weed, invertebrate and disease pests of Australian sheep pastures, pp. 128-132. CSIRO Information Services, Melbourne.
12. Cohn, E.J., Van Auken, O.W. & Bush, J.K. 1988. Competitive interactions between Cynodon dactylon and Acacia smallii seedlings at different nutrient levels. Am. Midl. Nat. 121: 265-272.
13. Facelli, J.M. & Pickett, S.T.A. 1991. Indirect effects of litter on woody seedlings subject to herb competition. Oikos 62: 129-138.
14. Fleischmann, K. 1997. Invasion of alien woody plants on the islands of Mahé and Silhouette, Seychelles. J. Veg. Sci. 8: 5-12.
15. Freund, R.J. & Wilson, W.J. 1997. Statistical methods. Academic Press. San Diego, CA.
16. Gordon, D.R., Welker, J.M., Menke, J.W. & Rice, K.J. 1989. Competition for soil water between annual plants and blue oak (Quercus douglasii) seedlings. Oecologia (Berl.) 28: 1-9.
17. Grace, J.B. 1995. In search of the Holy Grail: explanations for the coexistence of plant species. Trends Ecol. Evol. 10: 263-264.
18. Grice, A.C. 1996. Seed production, dispersal and germination in Cryptostegia grandiflora and Ziziphus mauritiana, two invasive shrubs in tropical woodlands of northern Australia. Aust. J. Ecol. 21: 324-331.
19. Harrington, G.N. 1991. Effects of soil moisture on shrub seedling survival in a semi-arid grassland. Ecology 72: 1138-1149.
20. Hoffmann, W.A. 1996. The effects of fire and cover on seedling establishment in a neotropical savanna. J. Ecol. 84: 383-393.
21. Kelt, D.A., Taper, M.L. & Meserve, P.L. 1995. Assessing the impact of competition on community assembly: a case study using small mammals. Ecology 76: 1283-1296.
22. Knoop, W.T. & Walker, B.H. 1985. Interactions of woody and herbaceous vegetation in a southern African savanna. J. Ecol. 73: 235-253.
23. Lubchenco, J., Olson, A.M., Brabaker, L.B., Carpenter, S.R., Holland, M.M., Hubbell, S.P., Levin, S.A., MacMahon, J.A., Matson, P.A., Melillo, J.M., Mooney, H.A., Peterson, C.H., Pulliam, H.R., Real, L.A., Regal, P.J. & Risser, P.G. 1991. The sustainable biosphere initiative: an ecological research agenda. Ecology 72: 371-412.
24. McIvor, J.G. & Gardener, C.J. 1991. A description of the ECOSSAT experimental site at Cardigan near Charters Towers, north Queensland. Trop. Agron. Tech. Memo. Nr. 68. CSIRO Division of Tropical Crops and Pastures, Brisbane.
25. McPherson, G.R. 1993. Effects of herbivory and herb interference on oak establishment in a semi-arid temperate savanna. J. Veg. Sci. 4: 687-692.
26. Miller, M.F. 1996. Dispersal of Acacia seeds by ungulates and ostriches in an African savanna. J. Trop. Ecol. 12: 345-356.
27. Mooney, H.A. & Drake, J.A. 1986. The ecology of biological invasions of North American and Hawaii. Springer-Verlag, New York, NY.
28. Mott, J.J., Williams, J., Andrew M.H. & Gillison, A.N. 1985. Australian savanna ecosystems. In: Tothill, J.C. & Mott, J.J (eds.) Ecology and management of the World's savannas, pp. 56-82. Australian Academy of Science, Canberra.
29. 4 grass Schizachyrium and the grassland invader Prosopis. Ecology 75: 976-988.
30. Scholes, R.J. & Walker, B.H. 1993. An African savanna - Synthesis of the Nylsvley study, Cambridge University Press, Cambridge.
31. Stace, H.C.T., Hubble, G.D., Brewer, G.D., Northcote, K.H., Sheeman, J.R., Mulcahy, M.J. & Hallsworth, E.G. 1968. A handbook of Australian soils. CSIRO, Melbourne.
32. Taylor, A.H. 1990. Tree invasion in meadows of Lassen Volcanic National Park, California. Prof. Geogr. 42: 457-470.
33. Tomley, A. 1995. The biology of Australian weeds 26. Cryptostegia grandiflora R.Br. Plant Prot. Quart. 10: 122-130.
34. Van Auken, O.W. & Bush, J.K. 1988. Competition between Schizachyrium scoparium and Prosopis glandulosa. Am. J. Bot. 75: 782-789.
35. Van Auken, O.W. & Bush, J.K. 1989. Prosopis glandulosa growth: influence of nutrients and simulated grazing of Bouteloa curtipendula. Ecology 70: 512-516.
36. Vilà, M. 1997. Effect of root competition and shading on resprouting dynamics of Erica multiflora L. J. Veg. Sci. 8: 71-80.
37. Walter, H. 1979. Vegetation of the earth and ecological systems of the geo-biosphere. Springer-Verlag, New York, NY.
38. Westoby, M., Walker, B.H. & Noy Meir, I. 1989. Opportunistic management for rangelands not at equilibrium. J. Range Manage. 42: 266-274.
39. Wilson, J.B. 1988. Shoot competition and root competition. J. App. Ecol. 25: 279-296.