RESEARCH PUBLICATIONS

Research Publications

This is a list of all of the research publications that have been produced by the Working for Water’s research projects since the inception of the programme in 1995. The publications are listed under the five research themes: Biological Control, Social Development, Hydrology, Ecology and Resource Economics. The list includes all papers published in peer-reviewed scientific journals, conference proceedings, chapters in books, handbooks, theses, formal research reports, and popular articles. Unpublished research reports were not included. The programme has produced 68 publications to date, and these are summarised below.

Baars, J.R. and Neser, S., 1999. Past and present initiatives on the biological control of Lantana camara (Verbenaceae) in South Africa. African Entomology Memoir 1:21-33.

Baars, J.R., 2000. Emphasizing behavioral host-range: The key to resolving ambiguous host-specificity results on Lantana camara L. Proceedings of the X International Symposium on Biological Control of Weeds, (ed by Neal R. Spencer), pp 887 – 896.

Cilliers, C.J., 1999. Biological control of parrot's feather, Myriophyllum aquaticum (Vell.) Verdc. (Haloragaceae), in South Africa. African Entomology Memoir 1:113-118.

Coetzer, W., 2000. Oviposition preferences of Sulcobruchus subsuturalis (Pic) (Coleoptera: Bruchidae), an introduced natural enemy of Caesalpinia decapetala (Roth) Alston (Caesalpiniaceae) in South Africa. African Entomology 8:293-297.

Coetzer, W. and Neser, S., 1999. Biological control of initiatives against the invasive Oriental legume, Caesalpinia decapetala (Roth) Alston (Caesalpiniaceae) in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:145-152.

Den Breyen, A., 1999. Biological control of water hyacinth using plant pathogens: Dual pathogenicity and insect interactions. Proceedings of the First Global Working Group Meeting for the Biological and Integrated Control of Water Hyacinth (IOBC), 16-19 Nov, Harare, Zimbabwe.

Dennill, G.B.; Donnelly, D., Stewart, K. and Impson, F.A.C., 1999. Insect agents used for the biological control of Australian Acacia species and Paraserianthes lophantha (Willd.) Nielsen (Fabaceae) in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:45-54.

Gordon, A.J., 1999. A review of established and new insect agents for the biological control of Hakea sericea Schrader (Proteaceae) in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:35-43.

Gordon, A.J., 1999. Biological control of Australian myrtle, LeptospeResearch Management Unitm laevigatum (J. Gaertn) F. Muell. (Myrtaceae) in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:140-143.

Hill, M.P., 1998. Herbivorous insect fauna associated with Azolla species (Pteridophyta: Azollaceae) in Southern Africa. African Entomology 6:370-372.

Hill, M.P., 1998. Life history and laboratory host range of Stenopelmus rufinasus Gyllenhal (Coleoptera: Curculionidae), a natural enemy for Azolla filiculoides in South Africa. Biocontrol 43:215-224.

Hill, M.P., 1999. The world's worst aquatic weed. Pesticide Outlook 10:58-62.

Hill, M.P., 1999. Biological control of red water fern, Azolla filiculoides Lamarck (Pteridophyta: Azollaceae), in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999 African Entomology Memoir 1:119-124.

Hill, M.P., 1997. The potential for the biological control of the floating aquatic fern Azola filiculoides Lamarc (Red water fern/Rooiwatervaring) in South Africa. WRC Report No. KV 100/97. Water Research Commission, Pretoria. 31pp.

Hill, M.P. and Cilliers, C.J., 1999. Azolla filiculoides Lamarck (Pteridophyta: Azollaceae), its status in South Africa and control. Hydrobiologia 415: 203-206.

Hill, M.P. and Cilliers, C.J., 1999. A review of arthropod natural enemies, and factors that influence their efficacy, in the biological control of water hyacinth, Eichhornia crassipes (Mart.) Solms-Laubach (Pontederiaceae), in South Africa.In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:103-112.

Hill, M.P. and Cilliers, C.J. and Nesser, S., 1999. Life history and laboratory host range of Eccritotarsus catarinensis (Carvalho) (Heteroptera: Midirae), a new natural enemy released on water hyacinth (Eichhornia crassipes (Mart.) Solms-Laub.) (Pontederiaceae) in South Africa. Biological Control 14:127-133.

Hill, M.P. and Oberholzer, I.G., 2000. Host-specificity of the grasshopper, Cornops aquaticum, a natural enemy of water hyacinth. Proceedings of the Xth International Symposium on Biological Control of Weeds, (ed by Neal R. Spencer), pp. 349 – 356.

Hill, R., Gordon, A.J. and Nesser, S., 1999. Bruchophagus on acacias in New Zealand. Proceedings of the Xth International Symposium on Biological Control of Weeds, (ed by Neal R. Spencer), pp. 919 – 929.

Hoffmann, J.H. and Moran, V.C., 1999. A review of the agents and factors that have contributed to the successful biological control of Sesbania punicea (Cav.) Benth. (Papilionaceae) in South Africa. African Entomology Memoir 1:75-79.

Hoffmann, J.H., Moran, V.C. and Zimmermann, H.G. , 1999. Integrated management of Opuntia stricta (Haworth) Hayworth (Cactaceae) in South Africa: An enhanced role for two renowned insect agents. African Entomology Memoir 1:15-20.

Impson, F.A.C., Moran, V.C. and Hoffmann, J.H., 1999. A review of the effectiveness of seed-feeding bruchid beetles in the biological control of mesquite, Prosopis species (Fabaceae), in South Africa. African Entomology Memoir 1:81-88.

Klein, H., 1999. Biological control of three cactaceous weeds, Pereskia aculeata Miller, Harrisia martinii (Labouret) Britton and Cereus jamacaru De Condolle in South Africa. African Entomology Memoir 1:3-14.

Klein, H. (Compiler), 1999. Biocontrol agents against alien invasive plants in fynbos. Handbook No. 10. Plant Protection Research Institute. Pretoria. 52pp.

Moran, V.C., Hoffmann, J.H., Donnelly, D., Zimmermann, H.G., and van Wilgen, B.W., 2000. Biological control of alien invasive pine trees (Pinus species) in South Africa. Proceedings of the Xth International Symposium on Biological Control of Weeds, (ed by Neal R. Spencer), pp 941 – 953.

Morris, M.J.; Wood, A. and Den Breyen, A., 1999. Plant pathogens and biological control of weeds in South Africa: A review of projects and progress during the last decade. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:129-137.

Olckers, T., 1998. Biology and host range of Platyphora semiviridis, a leaf beetle evalauted as a potential biological control agent for Solanum mauritianum in South Africa. BioControl 43:225-239.

Olckers, T., 1999. Introduction. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:1-2.

Olckers, T., 1999. Biological control of Solanum mauritianum Scopoli (Solanaceae) in South Africa: A review of candidate agents, progress and future prospects. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:65-73.

Olckers, T., 2000. Biology, host specificity and risk assessment of Gargaphia decoris, the first agent to be released in South Africa for the biological control of the invasive tree Solanum mauritianum. BioControl 45:373-388.

Olckers, T., 2000. Implementing biological control technology into the management of alien invasive weeds: South African experiences and challenges. In: British Crop Protection Council Symposium Proceedings No. 74: Predicting field performance in crop protection, pp 111-122. Copping, L. G. (ed.). University of Kent, Canterbury, United Kingdom. British Crop Protection Council, Farnham.

Olckers, T., Hoffmann, J.H., Moran, V.C., Impson, F.A.C. and Hill, M.P., 1999. The initiation of biological control programmes against Solanum elaeagnifolium Cavanilles and S. sisymbriifolium Lamarck (Solanaceae) in South Africa. African Entomology Memoir 1:55-63.

Olckers, T., Zimmermann, H.G., and Hoffmann, J.H., 1998. Integrating biological control into the management of alien invasive weeds in South Africa. Pesticide Outlook: 9:9-16.

Schmidt, F., Hoffmann, J.H. and Donnelly, D. , 1999. Levels of damage caused by Melanterius servulus Pascoe (Coleoptera: Curculionidae), a seed-feeding weevil introduced into South Africa for biological control of Paraserianates lophantha (Fabaceae). African Entomology 7:107-112.

Sparks, H. E. , 1999. The initiation of a biological control programme against Macfadyena unguis-cati (L.) Gentry (Bignoniaceae) in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:153-157.

Van Wilgen, B.W., Van der Heyden, F., Zimmermann, H.G., Magadlela, D. and Willems, T. , 2000. Big returns from small organisms: developing a strategy for the biological control of invasive alien plants in South Africa. South African Journal of Science 96:148-152.

Zacchariades, C., Kluge, R.L., Neser, S. and Strathie, L.W., 1996. Promising new candidates for the biological control of Chromolaena odorata. In: Proceedings of the 4th International Workshop on Biological Control and Management of Chromolaena odorata. Bangalore, October 1996.

Zachariades, C.; Strathie-Korrubel, L.W. and Kluge, R.L., 1999. The South African programme on the biological control of Chromolaena odorata (L.) King and Robinson (Asteraceae) using insects. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:89-102.

Zimmermann, H.G. and Neser, S., 1999. Trends and prospects for biological control of weeds in South Africa. In: Olckers, T. and Hill, M. P. (eds) Biological Control of Weeds in South Africa (1990-1999). African Entomology Memoir 1:165-173.

Marais, C., 1998. An economic evaluation of invasive alien plant control programmes in the mountain catchment areas of the Western Cape Province, South Africa. D.Phil Thesis. University of Stellenbosch. 189pp

Marais, C., Willems, T. and Hanks, K., 1999. The National Working for Water programme (Working for Water) in South Africa – linking invading alien plant clearing Programmes with economic and social empowerment and development in South Africa. ICEPE workshop on invasive species in East Africa, Nairobi, Kenya.

Nodada, P., 1999. An ecological and sociological assessment of six "models" of alien plant clearing in the Cape Peninsula, South Africa. M. Sc Thesis. University of Cape Town.

Noemdoe, S., Henderson, S. and Magadlela, D., 1999. Population, Land and Environment in South Africa: Challenges and Strategies for Poverty Reduction. Third Population Conference. African population in the 21st century. 6-10 December 1999. Durban, South Africa.

Schudel, I., 1999. Perceptions of work-related environmental issues among Albany Working for Water workers: Educational implications. M. Sc Thesis. Education Department, Rhodes University.

Le Maitre, D., Versfeld, D. and Chapman, A., 1999. The impact of invading alien plants on surface water resources in South Africa: a preliminary assessment. In: Ninth South African National Hydrology Symposium (Western Cape): Hydrology and water resources in Southern Africa. November 1999. Bellville: Proceedings, 10pp.

Le Maitre, D.C., Versfeld, D.B. and Chapman, R.A., 2000. The impact of invading alien plants on surface water resources in South Africa: A preliminary assessment. Water SA 26:397-408.

Le Maitre, D.C., Scott, D.F. and Colvin, C., 2000. Information on interactions between groundwater and vegetation relevant to South African conditions: a review. In: Groundwater: past achievements and future challenges. Sililo, O. (ed). pp 959-962. Balkema, Amsterdam.

Le Maitre, D.C., van Wilgen, B.W., Gelderblom, C.M., Bailey, C., Chapman, R.A. and Nel, J.A., 2001. Invasive alien trees and water resources in South Africa: Case studies of the costs and benefits of management. Forest Ecology and Management (in press).

Prinsloo, F.W. and Scott, D.F., 1999. Streamflow responses to the clearing of alien invasive trees from riparian zones at three sites in the Western Cape Province, Southern African Forestry Journal. 185:1-7.

Scott, D.F., 2000. Soil wettability in forested catchments in South Africa: as measured by different methods and as affected by vegetation cover and soil characteristics. Journal of Hydrology. 231: 87 – 104.

Scott, D.F., 1999. Managing riparian zone vegetation to sustain streamflow. Canadian Journal of Forestry Research 29:1149-1157.

Scott, D.F., Prinsloo, E. and Moses, G., 1999. Results of the afforested catchment experiments: Range and variability of effects and the controlling variables. 9th National Hydrology Symposium. University of Western Cape. pp 1-13.

Van Wilgen, B.W., Larsen, E.J., Marais, C., Görgens, A.H.M., Chapman, R.A., Willems, T. and Little, P.R., 1999. The Importance of alien plant invasion for water resource planning in the fynbos catchment areas of the Western and Eastern Cape. 9^th Annual SA National Hydrology Symposium.

Versfeld, D.B.; le Maitre, D.C. and Chapman, R.A. , 1998. Alien invading plants and water resources in South Africa: A preliminary assessment. WRC Report no. TT99/98. Water Research Commission, Pretoria.

Henderson, L., 1998. Southern African plant invaders atlas (SAPIA). Applied Plant Sciences 12:31-32.

Henderson, L., 1998. Invasive woody alien plants of the southern and south-western Cape region, South Africa. Bothalia 28:91-112.

Henderson, L., 1999. The Southern African Plant Invaders Atlas (SAPIA) and its contribution to biological weed control. African Entomology Memoir 1:159-163.

Holmes, P.M. and Marais, C., 2000. Impacts of alien plant clearance on vegetation in the mountain catchments of the Western Cape. South African Forestry Journal 189:113-117.

Holmes, P.M., Richardson, D.M., van Wilgen, B.W. and Gelderbom, C., 2000. The recovery of South African fynbos vegetation following alien woody plant clearing and fire: Implications for restoration. Austral Ecology 25:631-639.

Van Wilgen, B., Richardson, D. and Higgins, S., 2000. Integrated control of alien plants in terrestrial ecosystems. In: Best management practices for preventing and controlling invasive alien species (edited by G Preston, G Brown and E van Wyk), Working for Water programme, Cape Town, pp 118 – 128.

Van Wilgen, B.W. and Scott, D.F., 2001. Managing fires on the Cape Peninsula: Dealing with the inevitable. Journal of Mediterranean Ecology 3 (in press).

Van Wilgen, B.W. and Van Wyk, E., 1999. Invading alien plants in South Africa: Impacts and solutions. In: People and rangelands: Building the future. Proceedings of the VI International Rangeland Congress, Townsville, Australia (Edited by David Eldridge and David Freudenberger), pp 566 - 571.

Van Wilgen, B.W. and Van Wyk, E., 1998. The environmental impacts of invading alien plants in South Africa. 19pp. Pretoria. Department of Water Afffairs and Forestry.

Wittenberg, R. and Cock, M. (eds), 2000. Invasive Alien Species: A toolkit of Best Prevention and Management Practices. CAB International, Wallingford, Oxon, UK, xii – 228.

De Wit, M, Crookes, D and van Wilgen, BW (2001). Conflicts of interest in environmental management: Estimating the costs and benefits of a tree invasion. Biological Invasions (in press).

Chapman, R.A., le Maitre, D.C. and Richardson, D. M., 2000. A technique for modeling scenarios for alien plant control. WRC Report no. 907/1/0, Water Research Commission, Pretoria.

Van Wilgen, B.A., Little, P.R., Chapman, R.A., Gorgens, A. H.M., Willems, T. and Marais, C., 1997. The sustainable development of water resources: History, financial costs and benefits of alien plant control programmes. South African Journal of Science. 93:404-411.

Van Wilgen, BW, Richardson, DM, Le Maitre, DC. Marais, C and Magadlela, D (2001). The economic consequences of alien plant invasions: Examples of impacts and approaches to sustainable management in South Africa. Environment, Development and Sustainability 3, 145 - 168.

Van Wilgen, B.A., le Maitre, D.C. and Cowling, R.M., 1998. Ecosystem services, efficiency, sustainability and equity: South Africa's Working for Water programme. Trends in Ecology and Evolution 13:378.