The threat of alien invasive grasses to lowland Cape floral diversity: An empirical appraisal of the effectiveness of practical control strategies

South African Journal of Science

Volumn 101, Issue 7-8, 2005, Pages 337-344

  Musil, Charles F ^a   Milton, Suzanne J ^b   Davis, George W ^a  

^a SOUTH AFRICAN NATIONAL BIODIVERSITY INSTITUTE   (South Africa)

^b STELLENBOSCH UNIVERSITY   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

BIODIVERSITY; BIOLOGICAL INVASION; GRASS; INVASIVE SPECIES; WEED CONTROL;

AFRICA; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

ANIMALIA; POACEAE;

EID: 28744442464     PISSN: 00382353     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (73)

1. De Antonio C.M. and Vitousek, P.M. (1992). Biological invasions by exotic grasses the grass/fire cycle and global change. Annu. Rev. Ecol. Systematics 23, 63-87.
2. Knapp P.A. (1996). Cheatgrass (Bromus tectorum L) dominance in the Great Basin Desert: History, persistence, and influences to human activities. Global Environ. Change 6, 37-52.
3. Milton S.J. (2004). Grasses as invasive alien plants in South Africa. S. Afr. J. Sci. 100, 69-75.
4. Hobbs R.J. (2001). Synergisms among habitat fragmentation, livestock grazing, and biotic invasions in southwestern Australia. Cons. Biol. 15, 1522-1528.
5. Vila M., Lloret F., Ogeri, E. and Terradas J. (2000). Positive fire-grass feedback in mediterranean basis woodlands. For. Ecol. Mngmnt 51, 94-112.
6. Lenz T.I., Moyle-Croft, J.L. and Facelli J.M. (2003). Direct and indirect effects of exotic annual grasses on species composition of a South Australian grassland. Aust. Ecol. 28, 23-32.
7. Goldblatt P. and Manning J. (2000). Cape plants. A conspectus of the Cape flora of South Africa. Strelitzia 9, National Botanical Institute, Pretoria.
8. Myers N., Mittermeier R.A., Mittermeier C.G., da Fonseca G.A.B, and Kent J. (2000). Biodiversity hotspots for conservation priorities. Nature 403, 853-858.
9. Vlok J.H.J. (1988). Alpha diversity of lowland fynbos herbs at various levels of infestation by alien annuals. S. Afr. J. Bot. 54, 623-627.
10. Steinschen A.K., Görne A. and Milton S.J. (1996). Threats to the Namaqualand flowers: out-competed by grass or exterminated by grazing? S. Afr. J. Sci. 92, 237-242.
11. Shmida A. and Ellner S. (1983). Seed dispersal on pastoral grazers in open Mediterranean chaparral, Israel. Israel J. Bot. 32, 147-159.
12. Davidse G. (1986). Fruit dispersal in the Poaceae. In Grass Systematics and Evolution, eds T.R. Soderstrom, K.W Hiln, C.S. Campbell and M.E. Barkworth, pp. 143-155. Smithsonian Institution Press, Washington, D.C.
13. Malo J.E. and Suarez F. (1995). Herbivorous mammals as seed dispersers in a Mediterranean dehesa. Oecologia 104, 246-255.
14. Shiponeni N.N. (2003). Dispersal of seeds as a constraint in revegetation of old fields in Renosterveld vegetation in the Western Cape, South Africa. M.Sc. thesis, University of Stellenbosch.
15. Kemper J., Cowling R.M. and Richardson D.M. (1999). Fragmentation of South African renosterveld shrublands: effects on plant community structure and conservation implications. Biol. Conserv. 90, 103-111.
16. Van Rooyen S. (2003) Factors affecting alien grass invasion into West Coast Renosterveld fragments. M.Sc thesis, University of Stellenbosch.
17. Brooks M.L. (2000). Competition between alien annual grasses and native annual plants in the Mojave Desert. Am. Midland Naturalist 144, 92-108.
18. van Wilgen B.W., de Wit M.P., Anderson H.J., Le Maitre D.C., Kotze I.M., Ndala S., Brown B. and Rapholo M.B. (2004). Costs and benefits of biological control of invasive alien plants: case studies from South Africa. S. Afr. J. Sci. 100, 113-122.
19. Marais C., van Wilgen B.W and Stevens D. (2004). The clearing of invasive alien plants in South Africa: a preliminary assessment of costs and progress. S. Afr. J. Sci. 100, 97-103.
20. Low A.B. and Rebelo A.G. (1996). Vegetation of South Africa, Lesotho and Swaziland. Department of Environmental Affairs and Tourism, Pretoria.
21. Boucher C. and Moll E.J. (1981). South African mediterranean shrublands. In Ecosystems of the World, vol. 11, Mediterranean Type Shrublands, eds F. di Castri, D.W. Goodall and R.L. Specht, pp. 233-248. Elsevier, Amsterdam.
22. Cowling R.M., Pierce S.M. and Moll E.J. (1986). Conservation and utilization of South Coast renosterveld, an endangered South African vegetation type. Biol. Conserv. 37, 363-377.
23. Bromilow C. (2001). Problem Plants of South Africa. Briza Press, Pretoria.
24. Schiffman P.M. (1994). Promotion of exotic weed establishment by endangered giant Kangaroo rats (Diplodomus ingens) in a California grassland. Biodiversity and Conservation 3, 524-537.
25. Kotanen P.M. (1995). Responses of vegetation to a changing regime of disturbance: Effects of feral pigs in a Californian coastal prairie. Ecography 18, 190-199.
26. Deregibus V.A., Casal J.J., Jacoba E.J., Gibson D., Kauffman M. and Rodrigues A.M. (1994). Evidence that heavy grazing may promote the germination of Lolium multiflorum seeds via phytochrome-mediated perception of high red/far-red ratios. Functional Ecol. 8, 536-542.
27. DeBano L.F., Neary D.G. and Ffoliott P.F. (1998). Fire Effects on Ecosystems. John Wiley, New York.
28. DeLucia E.H., Schlesinger W.H. and Billings W.D. (1989). Edaphic limitations to growth and photosynthesis in Sierran and Great Basin vegetation. Oecologia 78, 184-190.
29. Osborn J.F., Letey J., DeBano L.F. and Terry E. (1967). Seed germination and establishment as affected by non-wettable soils and wetting agents. Ecology 48, 494-497.
30. Adams S., Strain B.R. and Adams M.S. (1970). Water repellent soils, fire and annual plant cover in a desert scrub community of southeastern California. Ecology 51, 696-700.
31. DeBano L.F. (2000). The role of fire and soil heating on water repellency in wildland environments: a review. J. Hydrol. 231-232, 195-206.
32. Maron J.L. and Connors P.G. (1996). A native nitrogen-fixing shrub facilitates weed invasion. Oecologia 105, 302-312.
33. Cabin R.J., Weller S.G., Lorence D.H., Cordell S. and Hadway L.J. (2002). Effects of microsite, water, weeding, and direct seeding on the regeneration of native and alien species within a Hawaiian dry forest preserve. Biol. Conserv. 104, 181-191.
34. Eissenstat D.M. and Caldwell M.M. (1988). Competitive ability is linked to rates of water extraction. Oecologia 75, 1-7.
35. Melgoza G. and Nowak R.S. (1991). Competition between cheatgrass and two native species after fire: implications from observations and measurements of root distribution. J. Range Mngmnt 44, 27-33.
36. Whelan R.J. (1995). The Ecology of Fire. Cambridge University Press, Cambridge.
37. Pyke D.A. and Archer S. (1991). Plant-plant interactions affecting plant establishment and persistence on revegetated rangeland. J. Range Mngmnt 44, 550-557.
38. Brooks M.L. and Pyke D.A. (2001). Invasive plants and fire in the deserts of North America. In Proc. Invasive Species Workshop: the Role of Fire in the Control and Spread of Invasive Species, eds K.E.M. Galley and T.P. Wilson, pp. 1-14. Fire Conference 2000: the First National Congress on Fire Ecology, Prevention, and Management. Miscellaneous Publication No. 11, Tall Timbers Research Station, Tallahassee, FL.
39. Murphy A.H. and Lusk W.C. (1961). Timing of medusahead burns to destroy more seed and save good grasses. California Agric. 15, 6-7.
40. Torell P.J., Erickson L.C. and Hass RH. (1963). The medusahead problem in Idaho. Weeds 9, 124-131.
41. Turner R.B., Poulton C.E. and Gould W.L. (1963). Medusahead - a threat to Oregon rangeland. Special Report 149, Oregon Agricultural Experiment Station, Oregon State University, Corvallis.
42. Rasmussen G.A. (1994). Prescribed burning in sagebrush annual grassland communities. In Proc. Ecology and Management of Annual Rangelands, eds S.B. Monsen and S.G. Kitchen, pp. 69-70. General Technical Report INT-GTR-313, U.S. Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, UT
43. Matthews J.M. (1996). Cultural management of annual ryegrass. Plant Protection Quart. 11 Suppl. 1, 198-200.
44. McDowell C. (1994). Grazing and renosterveld management. In Proc. symposium on the sustainable use and management of renosterveld remnants in the Cape Floristic Region, eds A.B. Low and F.E. Jones, pp. 63-71. FCC Report 95/4, Conservation Committee, Botanical Society of South Africa, Kirstenbosch, Cape Town.
45. Watt J.M. and Breyer-Brandwijk M.G. (1962). Medicinal and Poisonous Plants of Southern and Eastern Africa. E & S Livingstone, Edinburgh.
46. Janzen D.H. (1988). Management of habitat fragments in a tropical dry forest: growth. Ann. Missouri Bot. Gard. 75, 105-116.
47. Blackmore M. and Vitousek P.M. (2000). Cattle grazing, forest loss and fuel loading in a dry forest ecosystem at Pu'u Wa'aWA'a Ranch, Hawai'i. Biotropica 32, 625-632.
48. Brussard P.F., Murphy D.D. and Tracy C.R. (1994). Cattle and conservation - another view. Cons. Biol. 8, 919-928.
49. Fleischner T.L. (1994). Ecological costs of livestock grazing in western North America. Cons. Biol. 8, 629-644.
50. Noss R.F. (1994). Cows and conservation biology. Cons. Biol. 8, 613-616.
51. Brown J.H. and McDonald W (1995). Livestock grazing and conservation on southwestern rangelands. Cons. Biol. 9, 1644-1647.
52. Carson W.P. and Peterson C.J. (1990). The role of litter on an old-field community: impact of litter quantity in different seasons on plant species richness and abundance. Oecologia 85, 8-13.
53. Facelli J.M. and Pickett S.T.A. (1991). Plant litter: its dynamics and effects on plant community structure. Bot. Rev. 57, 1-32.
54. Peterson C.J. and Facelli J.M. (1992). Contrasting germination and seedling growth of Betula alleghaniensis and Rhus typhina subjected to various amounts and types of litter. Am. J. Bot. 9, 1209-1216.
55. Facelli J.M., Williams R., Fricker S. and Ladd B. (1999). Establishment and growth of seedlings of Eucalyptus obliqua: interactive effects of litter, water and pathogens. Aust. J. Ecol. 24, 484-494.
56. Facelli J.M. (1994). Multiple indirect effects of plant litter affect the establishment of woody seedlings in old fields. Ecology 75, 1727-1735.
57. Hoopes M.F. and Hall L.M. (2002). Edaphic factors and competition affect pattern formation and invasion in a California grassland. Ecol. Applications 12, 24-39.
58. Young TE, Patridge N. and Macrae A. (1995). Long-term glades in Acacia bushland and their edge effects in Laikipia, Kenya. Ecol. Applications 5, 97-108.
59. Midoko-Iponga D. (2004). Renosterveld restoration: the role of competition, herbivory and other disturbances. M.Sc. thesis, University of Stellenbosch.
60. 4 grass and a woody legume with differential herbivory. The Southwestern Naturalist 39, 114-121.
61. Yoder C. and Caldwell M. (2002). Effects of perennial neighbors and nitrogen pulses on growth and nitrogen uptake by Bromus tectorum. Plant Ecol. 158, 77-84.
62. Dyer A.R. and Rice K.J. (1999). Effects of competition on resource availability and growth of a California bunchgiass. Ecology 80, 2697-2710.
63. Hamilton J.G., Holzapfel C. and Mahall B.E. (1999). Coexistence and interference between a native perennial grass and non-native annual grasses in California. Oecologia 121, 518-526.
64. Matthews J.M. (1996). Chemical management of annual ryegrass. Plant Protection Quart. 11 Suppl. 1, 200-202.
65. Gill G.S. (1996). Why annual ryegrass is a problem in Australian agriculture. Plant Protection Quart. 11 Suppl.1, 185-187.
66. Cairns A. and Eksteen E. (2001). Group G/9 resistant rigid ryegrass (Lolium rigidum), South Africa. Weeds Science Society of America - International Survey of Herbicide-Resistant Weeds. http://www.weedscience.org
67. Brown N.A.C. and Botha P.A. (2004). Smoke seed germination studies and a guide to seed propagation of plants from the major families of the Cape Floristic Region, South Africa. S. Afr. J. Bot. 70, 559-580.
68. Blumenthal D.M., Jordan N.R. and Russelle M.P. (2003). Soil carbon addition controls weeds and facilitates prairie restoration. Ecol. Applications 13, 605-615.
69. Alpert P. and Maron J.L. (2000). Carbon addition as a countermeasure against biological invasion by plants. Biol. Invas. 2, 33-40.
70. Hetherington S.D. and Auld B.A. (1996). Biological control of annual grass weeds - progress and prospects Plant Protection Quart. 11, Suppl. 1, 215-216.
71. Jones T.A. (1998). Viewpoint: the present status and future prospects of squirreltail research. J. Range Mngmnt 51, 326-331.
72. Bakker J.P. and Berendse F. (1999). Constraints in the restoration of ecological diversity in grassland and heathland communities. Trends Ecol. Evol. 14, 63-68.
73. Cordell S., Cabin R.J., Weller G. and Lorence D. (2002). Simple and cost-effective methods control fountain grass in dry forests (Hawaii). Ecol. Restor. 20, 139-140.