Environmental factors influencing the distribution of Opuntia stricta, an invasive alien plant in the Kruger National Park, South Africa

South African Journal of Botany

Volumn 73, Issue 1, 2007, Pages 109-112

  Foxcroft, L C ^a,b   Hoffmann, J H ^c   Viljoen, J J ^a   Kotze, J J ^a  

^a TSHWANE UNIVERSITY OF TECHNOLOGY   (South Africa)

^b Savanna Ecological Research Unit   (South Africa)

^c UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

Alien invader; Cactoblastis cactorum; Canonical Community Analysis; Environmental correlates; Weed

Indexed keywords

ABUNDANCE; CACTUS; CANONICAL ANALYSIS; ENVIRONMENTAL EFFECT; INVASIVE SPECIES; POPULATION DISTRIBUTION; WEED;

AFRICA; KRUGER NATIONAL PARK; SOUTH AFRICA; SOUTHERN AFRICA; SUB-SAHARAN AFRICA;

CACTACEAE; CACTOBLASTIS CACTORUM; OPUNTIA; OPUNTIA STRICTA;

EID: 33845468884     PISSN: 02546299     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.sajb.2006.09.008     Document Type: Article

References (16)

1. Anthony M. Ecology of Opuntiae in the Big Bend Region of Texas. Ecology 35 (1954) 334-347
2. Dodd A.P. The biological campaign against prickly pear. Brisbane, Australia: Commonwealth Prickly Pear Board Bulletin (1940) 128
3. Foxcroft L.C., and Hoffmann J.H. Dispersal of Dactylopius opuntiae (Cockerell) (Hemiptera: Dactylopiidae), a biological control agent of Opuntia stricta (Haw.) Haw (Cactaceae) in the Kruger National Park, South Africa. Koedoe 43 (2000) 1-5
4. Foxcroft L.C., Rouget M., Richardson D.M., and Mac Fadyen S. Reconstructing 50 years of Opuntia stricta invasion in the Kruger National Park, South Africa: environmental determinants and propagule pressure. Diversity and Distributions 10 (2004) 427-437
5. Henderson L. Alien weeds and invasive plants. Plant Protection Research Institute Handbook vol. 12 (2001), Agricultural Research Council, Pretoria 96
6. Hoffmann J.H., Moran V.C., and Zeller D.A. Evaluation of Cactoblastis cactorum (Lepidoptera: Phycitidae) as a biological control agent of Opuntia stricta (Cactaceae) in the Kruger National Park, South Africa. Biological Control 12 (1998) 20-24
7. Hoffmann J.H., Moran V.C., and Zeller D.A. Long-term population studies and the development of an integrated management programme for control of Opuntia stricta in Kruger National Park, South Africa. Journal of Applied Ecology 35 (1998) 156-160
8. Hoffmann J.H., Moran V.C., and Zimmermann H.G. Integrated management of Opuntia stricta (Haworth) Haworth (Cactaceae) in South Africa: an enhanced role for two, renowned, insect agents. African Entomology Memoir vol. 1 (1999) 15-20
9. Keane R.M., and Crawley M.J. Exotic plant invasions and the enemy release hypothesis. Trends in Ecology and Evolution 17 (2002) 164-170
10. Kemp A.C., Begg K.S., Benn G.A., and Chadwick P. A visual assessment of vegetation structure for the Kruger National Park. Koedoe 40 (1997) 117-121
11. Kershaw K.A. Quantitative and Dynamic Plant Ecology. 2nd Edn (1973), Edward Arnold, London 1-308
12. Lotter W.D., and Hoffmann J.H. Integrated management plan for the control of Opuntia stricta in the Kruger National Park. Koedoe 41 (1998) 63-68
13. Montana C. A floristic-structural gradient related to land forms in the southern Chihuahuan Desert. Journal of Vegetation Science 1 (1990) 669-674
14. Soil Classification Working Group (SCWG). Soil classification: a taxonomic system for South Africa. Memoirs on the Agricultural Natural Resources of South Africa vol. 15 (1991), Pretoria 1-257
15. Ter Braak, C.J.F., 1998. CANOCO. Version 4.0. Centre for Biometry Wageningen, The Netherlands.
16. Volchansky C.R., Hoffmann J.H., and Zimmermann H.G. Host-plant affinities of two biotypes of Dactylopius opuntiae (Homoptera: Dactylopiidae): enhanced prospects for biological control of Opuntia stricta (Cactaceae) in South Africa. Journal of Applied Ecology 36 (1999) 85-91