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Publications, Reports, Posters and Seminars
Van Ginkel, C.M. (2012). Field guide to the interpretation of leaf symptoms on citrus/
Veldgids tot die vertolking van sitrus blaarsimptome. Lowveld Agrochem, Marble Hall.
Van Ginkel, C.E. & Van Ginkel, C.M. 2011. Ecological Report iro a Rezoning Application for
Portion 40 (Portion of Portion 3) of the farm Boschfontein 387-JQ. North West Province.
Van Ginkel, C.M. 2011. Part 1: Project proposal for the development of an exempted game
ranch, Šôkêng (480ha) on Parts 211, 213 and 214 of the farm LOSKOP-SUID 53 JS.
Limpopo Province.
Van Ginkel, C.M. 2011. Part 2: Ecological Management Plan (EcoMP). The purpose of this
habitat study is to motivate the granting of a P3 Exemption permit and future game permits
to Šôkêng game ranch (480ha) belonging to JACNIA TRUST on Parts 211, 213 and 214 of
the farm LOSKOP-SUID 53 JS
Van Ginkel, C.M. 2009. Investigation into Water-induced anaerobic conditions and Salinity
problems Affecting Crop Production and the Environment at Skerp Arabie, Marble Hall.
Prepared as work document of the landowner in discussions with Marble Hall Municipality
(December 2009).
Du Plessis, B.J. & Van Ginkel C.M. 2009. The Operational Component of the Integrated
Aquatic Vegetation Management Programme (IAVMP) on dams of the Department of Water
Affairs, Republic of South Africa. Prepared for the Department of Water Affairs, Pretoria,
Republic of South Africa. Report No. DWA/MPU/IAVMP-0309 (December 2009).
Du Plessis, B.J. & Van Ginkel C.M. 2009. Proposed minimum specifications for the
application of sterile grass carp as bio-control agent for the management of nuisance aquatic
vegetation in dams of the Department of Water affairs, Republic of South Africa. Prepared
for the Department of Water Affairs, Pretoria, Republic of South Africa. Report No.
DWA/MPU/IAVMP-0209 (November 2009).
Du Plessis, B.J. & Van Ginkel C.M. 2009. Development, Implementation and Evaluation of
an Integrated Aquatic Vegetation Management Programme (IAVMP) on the USUTU-VAAL
PHASE II Inter-basin Water Transfer Scheme. Prepared for the Department of Water Affairs,
Pretoria, Republic of South Africa. Report No. DWA/MPU/IAVMP-0109 (October 2009).
Van Ginkel, C.M. 2009. Agricultural Assessment: Lesedi Biogas Plant at portion 28 of the
farm Nooitgedacht 390 IR. Ref: Gaut 002/08-09/N1009. For the Gauteng Department of
Agriculture, Conservation, and Environment (July 2009).
Van Ginkel, C.M. 2009. Mbyane Conservancy (Kaapmuiden) TOPS Report and Ecological
Management Plan (EcoMP) on >15000 ha (Including: Sable antelope, African Buffalo, White
Rhinoceros, Black Rhinoceros, African Elephant and Hippopotamus) (May 2009).
1
Van Ginkel, C.M. 2009. Agricultural Assessment: Kameeldrift Cattle Feedlot at portion 2 of
portion 2 of the farm Oog van Boekenhoutskloof/Tweefontein 288 JR GDACE Ref: GAUT:
002/08-09/N1136 (April 2009).
Van Ginkel, C.M. 2009. Ecological Management Plan (EcoMP) and Restoration Guidelines
for Zingela Game and River Lodge, De Hoek 411 IR, Heidelberg, Gauteng Province (April
2009).
Van Ginkel, C.M. 2008. Environmental Management Plan (EMP), Ecological report (ER) and
Biodiversity Statement for CDT Krokodilboerdery CC/BK at Part 1, Rotterdam, KR 538,
restituting part 287.12ha, Limpopo Province (November 2008).
Van Ginkel, C.M. 2008. Specialist witness report using historic maps and aerial photographs
in respect of a disputed access road to Sebaka Game farm (Mooikopje 237 JS),
Mpumalanga Province (This case was eventually won and settled outside of court:
11/11/2008).
Van Ginkel, C.M. & Du Plessis, B.J. (2010). Generic EMP for IAWMP in the Greater Vaal
River System (WP 8905).
Van Ginkel, C.M. (Cancelled). Sustainable Citrus Black Spot (Guignardia citricarpa Kiely)
Disease Management in Marble Hall, Limpopo Province, South Africa. Ph.D. Thesis at the
University of Pretoria. Cancelled due to loss of Computer Hard Drive.
Van Ginkel, C.M. (2010). Comparison of sporulation and ascospore release conditions in
adjacent Citrus Black Spot (Guignardia citricarpa Kiely) prediction areas in Marble Hall,
Limpopo Province, South Africa.
Van Ginkel, C.M. & Bredell A. (Ongoing Service: 2001-2013) Weekly Spore Release Reports
on Plant Pathogens (aerospora) and also Ad Hoc Special Investigation Reports in the
Loskopvallei, Groblersdal, Marble Hall, Toitskraal and adjacent areas iro the production of
export fruit and other agricultural crops. Performed as a service in co-operation with the
operational team of Lowveld Agrochem (Marble Hall).
Van Ginkel, C.M. (2009). Key parameters for implementation in the PLANT-Plus disease
forecasting model: Citrus Black Spot (Guignardia citricarpa) Kiely).
Van Ginkel, C.M. 2008. Mbyane (former Boondocks) Conservancy: EMP for Sable Antelope
Breeding Programme on portions of the Mbane Conservancy (Three Sisters 254 JU & Three
Sisters 256 JU, Mpumalanga Province. (August, 2008).
Van Ginkel, C.M. 2008. Weltevreden Game Farm: Report on the Carrying Capacity and veld
Conservation, Limpopo Province.
Van Ginkel, C.M. 2008. Motivation, EMP and ER for Wildevy Krokodilplaas BK/CC.
Development of a Crocodile Breeding Facility at Part 36 of the Farm KROKODILSDRIFT 25
JS, Limpopo Province (August, 2008).
Van Ginkel, C.M. 2008/9. Training Seminar Series: Responsible Handling of Agro-chemicals
(Croplife Training/ ACDASA Training) (Lecturing from 2003-2008 and continuing at different
2
venues and dates. Paricipants: Farm Owners/ Managers/ Pesticide workers/ Pesticide
companies i.e. Lowveld Agrochem and Megatrax for Tshwane Municipality).
Du Plessis, B.J., Van Ginkel, C.M. and Dorfling, E. 2008. Envirokonsult (2008)
Environmental status report: First round environmental health assessment of the Silver
Lakes Waterways. Report to the Manager of the Silver Lakes Golf Estate, Pretoria, Republic
of South Africa. Report no. CLP/RSA/003-0408 (April 2008).
Van Ginkel, C.M. 2008. Zoonotic Report for Portion 6 of the farm LIEFLING No 204 JQ
(Beestekraal), Madibeng, North-West Province in accordance with the Occupational Health
and Safety Act 85 of 1993 (Addendum to DACET Ref No 149 & 150) (April 2008).
Van Ginkel, C.M. & Du Plessis, B.J. 2008. Photographic Feedback to DWAF in regards of:
Integrated Aquatic Weed Management Programme (IAWMP) for the Greater Vaal River
System WP 8905. On 04/04/2008 at Envirokonsult’s Board room, CSIR Campus, Pretoria.
Van Ginkel, C.M. 2008. EMP and background to Basic Assessment Report for Brits
Crocodile Farm (Pty (Ltd): Extension and development of an existing crocodile breeding
facility at Standerton to portions 301 & 302 of Part 415 of the farm ZOUTPANSDRIFT JQ,
North West Province (March 2008/ Amended January 2009).
Van Ginkel, C.M. 2008. Risk Management and Environmental Management in Pretoria.
Lecture to the Tshwane Horticultural Club at the premises of Megatrax in Pretoria North
19/03/2008.
Van Ginkel, C.M. 2008. Omgewingsbestuursplan vir die wildsplaas HARMONY 36, Limpopo
Provinsie (Januarie 2008).
Van Ginkel, C.M., Du Plessis, B.J. 2008. Acrolein: Application for registration in terms of Act
36 of 1947: Fertilizers, Farm Feeds, Agricultural Remedies and Stock Remedies Act and
Relevant Regulations. Submissions to the Department of Agriculture and the Department of
Health.
Du Plessis, B.J. & Van Ginkel, C.M. 2007. Verslag oor Brits Munisipaliteit Rioolsuiwerings-
werke se invloed op Waterkwaliteit in die Krokodilrivier. Verslag aan Nick
Fourie van die Hartebeespoortdam Besproeiingsraad (November 2007).
Van Ginkel, C.M. 2007. Biodiversity and Ecological Report for the farm PLATKOPJES
420IR, Gauteng. For the Applicant KANHYM PIGGERIES via Thirstland Safaris (October
2007).
Van Ginkel, C.M. en Bredell, A. 2007. Ontwikkeling van ‘n
Sitrusswartvlekbesluitnemingsmodel in die Loskopvallei. CRI Terugvoervergadering
05/09/2007 te Raasblaar Lodge, Marble Hall.
Van Ginkel, C.M. 2007. Omgewingsbestuursplan (OBP) vir ‘n Krokodilboerdery te Mtibi,
Barberton, Mpumalanga. (Augustus 2007).
3
Van Ginkel, C.M. 2006. Photographic Atlas: Baseline Environmental Assessment of the
Central Rand Gold Mining Areas. For Rand Quest Syndicate via Ferret Mining, Gauteng
(September 2006).
Van Ginkel, C.M., Kotze, J.M., Korsten, L. and Van der Waals, J.E. 2006. Progress on the
development of a Citrus Black Spot disease forecasting model/ Vordering met die
ontwikkeling van ‘n Sitrus Swartvlek siektevoorspellings-model. Seminar at the 4th
Citrus
Research Symposium, Port Elizabeth, 20-23 rd of August 2006. Also published in The
Research Proceedings of the CRI for 2006 (23/08/2006).
Van Ginkel, C.M. 2006. Operational Aspects of a Proposed Fertigation Division in Lowveld
Agrochem. Presentation at a Lowveld Agrochem Meeting in Pretoria 06/07/2006.
Van Ginkel, C.M. 2006. Telone II as Nematisied op Tabak. Laeveld Agrochem Nylstroom
13/06/2006.
Van Ginkel, C.M. 2006. Ondersoek na letsels op Navel-lemoene in Groblersdal 06/06/2006.
Laeveld Agrochem, Groblersdal.
Bredell, A. & Van Ginkel, C.M. 2006. Siektes en Plae by Erte. Lesing vir Mc Cain’s
produsente op 25/04/2006.
Van Ginkel, C.M. 2006. Makadamia-verbouing in die Loskopvallei. Laeveld Agrochem
Groblersdal 28/03/2006.
Van Ginkel, C.M. 2006. Citrus Black Spot Data Presentation. University of Pretoria at Inter-
Departmental Meeting 10/03/2006.
Van Ginkel, C.M. 2006. Omgewingsbestuursplan vir ‘n Njala (Tragelaphus angasii)
teelprojek op Gedeelte 694 van die Plaas LOSKOP NOORD JS, Mpumalanga (Maart 2006).
Van Ginkel, C.M. 2006. Permit-application: Drie Berge Caravan Park and Public Resort on
Part 524 of the Farm HARTEBEESPOORT 419 JQ, North-West Province (Approved: March
2009).
Van Ginkel, C.M. 2006. Environmental Management Plan (EMP) for Arotin Exempted Game
Farm and Game Breeding Project on 360 ha of the Farm LOSKOP-SUID 53 JS,
Mpumalanga (May 2006).
Viljoen, P.J. (Ed). 2005. AGRED’s Game Birds of South Africa, Field identification and
Management . (Van Ginkel, C.M. Contibuting consultant p 296 and proof reading: Gamebird
Management). The African Game Bird Research, Education and Development Trust,
Houghton, South Africa.
Van Ginkel, C.M. 2005. EMP and Ecological Report for Parts 1 & 4 of the Farm
RIETFONTEIN 736 KS (266 ha), Mpumalanga in terms of suitability as Game Farm that
might include White Rhino and Buffalo (November 2005).
Van Ginkel, C.M. 2005. EMP and Ecological Report for the Farms KLIPSPRUIT 209 JS and
ROOIKOP 347 JS as the Mispah Game Breeding Project, Mpumalanga (August 2005).
4
Van Ginkel, C.M. 2005. EMP and Ecological Report for the Development of Parts of the
Farm BLINKWATER 213 JS Mpumalanga as a Game Farm (June 2005).
Van Ginkel, C.M. 2005. Agro-Ecological and Biodiversity Report: Little Bridger Development
and subdivision of the Farm KAMEELDRIFT 294 JR, Gauteng (May 2005).
Van Ginkel, C.M. 2005. EMP and Ecological Report for Standerton Crocodile Farm on the
Farm DARLING 11 JS, Mpumalanga (May 2005).
Van Ginkel, C.M. 2005. EMP and Ecological Report for Sebaka Game Farm and Quarantine
Facility at MOOIKOPJE 237 JS & TWEEFONTEIN 236 JS, Mpumalanga (February 2005).
Bredell, A. & Van Ginkel, C.M. 2005. Tegniese Terugvoer Sitrusverbouing 2004-2005.
Laeveld Agrochem, Marble Hall 02/11/2005.
Van Ginkel, C.M. 2005. Vrugtevlieg-monitering en die gevaar wat Bactrocera invadens inhou
(2004-2005). Laeveld Agrochem Sitrusdag Marble Hall 21/07/2005.
Van Ginkel, C.M. 2005. Ondersoek na die oorsake van Druiweletsels te Schoonbee
Landgoed. Laeveld Agrochem 20/07/2005.
Van Ginkel, C.M. 2005. Ondersoek na redes vir Vrugval in Sitrusboorde in Groblersdal.
Laeveld Agrochem, Groblersdal 15/07/2005.
Van Ginkel, C.M. 2005. Pakparaatheid vir Sitrus 2005 Seisoen. Laeveld Agrochem,
Sitruspakhuisdag 09/03/2005.
Van Ginkel, C.M. 2005. Tonnel-tamaties. Laeveld Agrochem 20/01/2005. (Pretoria,
Groblersdal)
Van Ginkel, C.M. 2004. EIA for Captive Game Breeding Project at part 39 of the Farm
KROKODILSDRIFT 25 JS, Mpumalanga (Presently Limpopo Province) (December 2004).
Van Ginkel, C.M. 2004. Project Application, Ecological Report and EMP for Crocodile
Breeding Facility at CASTLEKOP 592 JT & COPPICE 638 JT, Mpumalanga (November
2004).
Van Ginkel, C.M. 2004. Gross Crocodile Farm: Ecological Report, EMP and Development
Plan for Part 15 of KAMEELDOORN 71 JS, Mpumalanga (February 2004).
Van Niekerk, J.H. & Van Ginkel C.M. 2004. The feeding behaviour of pigeons and doves on
sown grain crops on the South African Highveld. In Ostrich: Journal of African Ornithology
2004, 75 (1&2), p 39-43.
Abstract: Feeding behaviour of pigeons and doves on sown grain crops was studied on
the South African Highveld during 1998–2002. Plots of grains (sunflower, sorghum and
maize) were planted on the farm Nooitgedacht near Heidelberg (South Africa) to study
the feeding and movement of columbids in these fields. More general studies were also
conducted across the Highveld region to determine overall crop damage. Results show
that Laughing Streptopelia senegalensis and Red-eyed Doves S. semitorquata as well
as Rock Pigeons Columba guinea take seed directly from sunflower and sorghum plants.
5
This is a first formal recording of this behaviour for Laughing and Red-eyed Doves in
South Africa. Columbid populations have changed their movements and feeding
methods in recent times to exploit available grain during the first half of the year. Unlike
in Zimbabwe and Kenya, Cape Turtle Doves S. capicola were seldom seen feeding on
grain seeds in sown lands on the Highveld. Rock Pigeons and Red-eyed Doves prefer
soft sunflower seeds (about 31% moist content) relatively early in the season whereas
Laughing Doves also consume very dry seeds (about 7% moist content) later in the
season. Columbids are capable of inflicting crop damage on the Highveld; however, to
get a more reliable indication of the national crop damage more site-specific surveys will
be needed. Rock Pigeons are capable of removing the tubular florets from the sunflower
heads in order to get access to the soft seeds. However, since these pigeons only
remain for 2–3 weeks, they are probably not responsible for the bulk of the crop damage
that sunflower incurs in South Africa. Granivorous paserienes and rodents are co-
responsible for crop damage in South Africa.
Van Ginkel, C.M. 2004. Swartvlekmonitering-terugvoer 2003-4. UP & Laeveld Agrochem
05/09/2004.
Van Ginkel, C.M. 2004. Sitrus: Vrugset en Vruggrootte. Laeveld Agrochem Sitrusdag
02/08/2004.
Van Ginkel, C.M. 2003. Swartvlekmonitering 2002-3. Laeveld Agrochem Sitrusdag Marble
Hall 28/10/2003, UP Vergadering.
Van Ginkel, C.M. 2003. Valskodlingmot (Cryptophlebia leucotreta Meyrick) Bestuur en
Terugvoer 2002-3. Laeveld Agrochem Sitrusdag Marble Hall 28/10/2008.
Van Ginkel, C.M. 2003. Application and Motivation for a Crocodile Breeding Facility at Part
15 of the Farm KAMEELDOORN 71 JS, Mpumalanga (September 2003).
Van Niekerk, J.H. & Van Ginkel, C.M. 2003. Notes on the behavioural ecology of Coqui
francolin in the Rustenburg district, South Africa. ISSN: 03794369, South African Journal of
Wildlife Research, Vol. 33, Issue 1, p. 59-62.
• Abstract: This study describes territorial behaviour and habitat utilization of Coqui
francolin (Peliperdix coqui) on the farm La Boheme in the Rustenburg district, South
Africa. These francolins live an isolated family life in fairly large (at least 2 ha) high-
grass savanna territories. Of 123 coveys counted, only four coveys were observed
further than 200 m from the 12 territories that were identified over a period of 17
months. This suggests that Coqui francolins are highly sedentary and probably kept
local by ecological barriers. Land-use and soil type could account for the fragmented
distribution of Coqui francolin in South Africa, as these birds avoid disturbed areas
and were only observed on light-coloured sandy soils. The mean annual population
density for the 700-ha study area was 4.2 francolins per 100 ha. A higher density of
up to 7.0 francolins per 100 ha was observed in optimal habitat. Subadults often
occupy marginal habitats during the breeding months, presumably having been
evicted from more optimal habitat by breeding birds.
6
Van Ginkel, C.M. 2002. Telemetric Data Capturing as Management Tool in the Production of
a potato (Solanum tuberosum L.) crop on the Springbok Flats, Limpopo Province, South
Africa. Applied Ecology/ Plant Pathology/ Disease Modelling Master’s Thesis at the
University of the Free State (November 2002). The final MOB Degree was awarded with
Distinction.
Abstract: The purpose of this investigation was to evaluate the reducing of cost and risk
by the use of on site data capturing techniques and applied software during the
production of a potato (Solanum tuberosum L.) crop. The environmental conditions
from planting to harvest were meticulously monitored. Management decisions were
based upon continuously measured environmental data transmitted by radio-signal
to a computer. Specialized software assisted in the decision-making process (A
Decision Support System – DSS). The instruments included a mini-disease station
equipped with sensors measuring precipitation, leaf-wetness, temperature, relative
humidity and soil moisture. Software included disease modeling for infections
caused by the fungi Alternaria solani (Early Blight) and Phytophthora infestans
(Late Blight) refined in situ. A Weather forecast based upon environmental data
obtained from a satellite assisted regional weather station provided information to
predict crop-spraying conditions and adverse environmental conditions like frost up
to 5-days in advance. The result was an above average crop with savings on water,
energy, labour, chemicals sprayed, fertilizer and mechanization. Environmental
advantages included reduced soil compaction, -environmental contamination by
chemicals, -air pollution, and -leaching of fertilizers to groundwater. Genetic
resistance towards spray chemicals in pathogenic organisms was minimized. This
transparent, documented approach and the global drive towards SHE- responsibility
(e.g. Global/EurepGap) makes it universally applicable to other crops (especially
exports) and a myriad of environmental studies (e.g. euthrophication, habitat
alteration etc.). In conclusion it can be stated that the benefits derived from
improved management decisions based upon continuous (in situ) data capturing
have merit and will contribute positively to the concepts of sustainability and
environmental stewardship alike. A Similar approach are being lodged at present to
model the Citrus Black Spot (CBS) phytosanitary disease of Export Citrus.
Van Ginkel, C.M. 2002. Report on the Topic for Discussion: Should Environmental
Management in Africa differ from that in the rest of the world? Department of Communication
Science & School for Environmental Studies, UFS, 30/04/2002 (MOB Degree).
Van Ginkel, C.M. 2002. Report on Sustainable Environmental Communication. Department
of Communication Science & School for Environmental Studies, UFS, 05/04/2002 (MOB
Degree).
Van Ginkel, C.M. 2001. Reformist Approach: A Critical Analysis of Global Environmental
Governance: The Case for Ozone. Department of Political Science & School for
Environmental Studies, UFS, 30/11/2001 (MOB Degree).
Van Ginkel, C.M. (Ed.). 2001. Buffalo Man, One with the Environment, Ed. 2,
October/November 2001.
7
Van Ginkel, C.M. 2001. Report on the Super Politics of Global Environmental Governance:
The Mind Boggling Case of HIV/AIDS. Department of Political Science & School for
Environmental Studies, UFS, 19/10/2001 (MOB Degree).
Van Ginkel, C.M. (Ed.) 2001. Buffalo Man, Man, His Environment, Ed. 1, August/September
2001.
Van Ginkel, C.M. 2001. Report on the Economic Sustainability of Dimension Stone Mining in
an Ecologically Sensitive area in South Africa. Department of Economy & School for
Environmental Studies, UFS, 21/09/2001 (MOB Degree).
Van Ginkel, C.M. 2001. Presentation to Daimler-Chrysler iro an appropriate site for the
construction of an assembly plant for their third generation hydrogen-fuel cell vehicles in
Tshwane Metro, Pretoria. Department of City and Regional Planning & School for
Environmental Studies, UFS, 24/08/2001 (MOB Degree).
Van Ginkel, C.M. 2001. Report on the possible effects of global warming on natural
vegetation and food production in southern Africa- some proposed management actions.
School for Environmental Studies, UFS, 26/05/2001 (MOB Degree).
Van Ginkel, C.M. 2001. Report on Control Methods for the Prevention and Reduction of
Cultural Eutrophication of South African Surface Waters. School for Environmental Studies,
UFS, 27/04/2001 (MOB Degree).
Van Ginkel, C.M. 2001. Rehabilitation of a Fly-Ash Dump, Kendal Power Station, Eskom,
Mpumalanga. Report to Geo-Hydrology Department & School for Environmental Studies,
UFS, 16/03/2001 (MOB Degree).
Van Ginkel, C.M. 2001. Geologiese Verslag: Die Bestuur van Hellingstabiliteit op die R 577
Uitsigroete, Mpumalanga. Geology Department & School for Environmental Studies, UFS,
23/02/2001 (MOB Degree).
Van Ginkel, C.M. 2001. Slope Stabilization on the R 577, Mpumalanga. Presentation to the
Geology Department of the University of the Free State 27/02/2001 (MOB Degree).
Outspan International. 1997. Produksieriglyne vir Uitvoersitrus, Deel IV, Pluk en Verpakking
van Sitrus/ Production Guidelines for Export citrus, Part IV, Harvesting and Packing of
Citrus. Outspan International, South Africa. (Van Ginkel, C.M. as part of production team
wrote Citrus Packing and proof read the Afrikaans Edition.
Van Ginkel, C.M. 1992. Designing a Supplementary Lick Program for all Seasons (Beef and
Mutton). Voermol, Hulett-Tongaat Lecture at Farmer’s day, Adelaide, Eastern Cape.
Van Ginkel, C.M. 1992. Dairy Management for Production. Dairy Farmer Day Lecture
(Voermol, Hulett-Tongaat), Alexandria, Eastern Cape.
Van Ginkel, C.M. 1991. Formulating Feed for the Growing Ostrich. Ostrich Farmer Day
Lecture (Voermol, Hulett-Tongaat) Cradock, Eastern Cape.
8
Van Ginkel, C.M. 1990. Profiting from New Tomato Cultivars throughout the year in East
London. Training lecture to Tomato Producers (Hygrotech at Farmarama), East-London,
Eastern Cape.
Van Ginkel, C.M. 1990. Die Plantegroei-ekologie van die Karoo Nasionale Park. Research
Project CK/11, National Parks Board of Trustees, Pretoria, South Africa (December 1990)
Van Ginkel, C.M. 1989. The Importance of Geological Data during Habitat Description in the
South African Karoo. Poster at Karoo Biome Working Group’s Symposium, Graaff-Reinet
(August 1989).
Van Ginkel, C.M. 1989. Evaluation of Habitat in the Carnarvon, Loxton and Beaufort West
areas of the Nama Karoo for the re/introduction of Riverine Rabbit (Bunolagus monticularis)
into these areas. Karoo Biome Work Group Report and Poster.
Van Ginkel, C.M. 1989. Elektriese Visse. In Elephant’s Child, Newsletter of the Albany
Museum, Vol. 12, No. 4. Grahamstown, South Africa.
Van Ginkel, C.M. 1989. Bed Bugs. In Elephant’s Child, Newsletter of the Albany Museum,
Vol. 12, No. 1. Grahamstown, South Africa.
Acocks, J.P.H. 1988. Veld Types of South Africa, 3rd Ed. Botanical Research Institute,
Department of Agriculture and Water Supply, South Africa. (Van Ginkel, C.M as Principal
Research Technician to Dr J.C. Scheepers was involved in the revisit and capture of sites,
cover design, collection, retouching, selection, and dark-room printing of photographs of veld
types; contribution acknowledged on p. 123).
Van Ginkel, C.M. 1986. Essential Research Methodology in Amateur Herpetology. In Nyoka
News III (2), Newsletter of the Transvaal Herpetological Society.
9
Van Ginkel, C.M. 1990. Profiting from New Tomato Cultivars throughout the year in East
London. Training lecture to Tomato Producers (Hygrotech at Farmarama), East-London,
Eastern Cape.
Van Ginkel, C.M. 1990. Die Plantegroei-ekologie van die Karoo Nasionale Park. Research
Project CK/11, National Parks Board of Trustees, Pretoria, South Africa (December 1990)
Van Ginkel, C.M. 1989. The Importance of Geological Data during Habitat Description in the
South African Karoo. Poster at Karoo Biome Working Group’s Symposium, Graaff-Reinet
(August 1989).
Van Ginkel, C.M. 1989. Evaluation of Habitat in the Carnarvon, Loxton and Beaufort West
areas of the Nama Karoo for the re/introduction of Riverine Rabbit (Bunolagus monticularis)
into these areas. Karoo Biome Work Group Report and Poster.
Van Ginkel, C.M. 1989. Elektriese Visse. In Elephant’s Child, Newsletter of the Albany
Museum, Vol. 12, No. 4. Grahamstown, South Africa.
Van Ginkel, C.M. 1989. Bed Bugs. In Elephant’s Child, Newsletter of the Albany Museum,
Vol. 12, No. 1. Grahamstown, South Africa.
Acocks, J.P.H. 1988. Veld Types of South Africa, 3rd Ed. Botanical Research Institute,
Department of Agriculture and Water Supply, South Africa. (Van Ginkel, C.M as Principal
Research Technician to Dr J.C. Scheepers was involved in the revisit and capture of sites,
cover design, collection, retouching, selection, and dark-room printing of photographs of veld
types; contribution acknowledged on p. 123).
Van Ginkel, C.M. 1986. Essential Research Methodology in Amateur Herpetology. In Nyoka
News III (2), Newsletter of the Transvaal Herpetological Society.
9

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Updated Publications and Reports

  • 1. Publications, Reports, Posters and Seminars Van Ginkel, C.M. (2012). Field guide to the interpretation of leaf symptoms on citrus/ Veldgids tot die vertolking van sitrus blaarsimptome. Lowveld Agrochem, Marble Hall. Van Ginkel, C.E. & Van Ginkel, C.M. 2011. Ecological Report iro a Rezoning Application for Portion 40 (Portion of Portion 3) of the farm Boschfontein 387-JQ. North West Province. Van Ginkel, C.M. 2011. Part 1: Project proposal for the development of an exempted game ranch, Šôkêng (480ha) on Parts 211, 213 and 214 of the farm LOSKOP-SUID 53 JS. Limpopo Province. Van Ginkel, C.M. 2011. Part 2: Ecological Management Plan (EcoMP). The purpose of this habitat study is to motivate the granting of a P3 Exemption permit and future game permits to Šôkêng game ranch (480ha) belonging to JACNIA TRUST on Parts 211, 213 and 214 of the farm LOSKOP-SUID 53 JS Van Ginkel, C.M. 2009. Investigation into Water-induced anaerobic conditions and Salinity problems Affecting Crop Production and the Environment at Skerp Arabie, Marble Hall. Prepared as work document of the landowner in discussions with Marble Hall Municipality (December 2009). Du Plessis, B.J. & Van Ginkel C.M. 2009. The Operational Component of the Integrated Aquatic Vegetation Management Programme (IAVMP) on dams of the Department of Water Affairs, Republic of South Africa. Prepared for the Department of Water Affairs, Pretoria, Republic of South Africa. Report No. DWA/MPU/IAVMP-0309 (December 2009). Du Plessis, B.J. & Van Ginkel C.M. 2009. Proposed minimum specifications for the application of sterile grass carp as bio-control agent for the management of nuisance aquatic vegetation in dams of the Department of Water affairs, Republic of South Africa. Prepared for the Department of Water Affairs, Pretoria, Republic of South Africa. Report No. DWA/MPU/IAVMP-0209 (November 2009). Du Plessis, B.J. & Van Ginkel C.M. 2009. Development, Implementation and Evaluation of an Integrated Aquatic Vegetation Management Programme (IAVMP) on the USUTU-VAAL PHASE II Inter-basin Water Transfer Scheme. Prepared for the Department of Water Affairs, Pretoria, Republic of South Africa. Report No. DWA/MPU/IAVMP-0109 (October 2009). Van Ginkel, C.M. 2009. Agricultural Assessment: Lesedi Biogas Plant at portion 28 of the farm Nooitgedacht 390 IR. Ref: Gaut 002/08-09/N1009. For the Gauteng Department of Agriculture, Conservation, and Environment (July 2009). Van Ginkel, C.M. 2009. Mbyane Conservancy (Kaapmuiden) TOPS Report and Ecological Management Plan (EcoMP) on >15000 ha (Including: Sable antelope, African Buffalo, White Rhinoceros, Black Rhinoceros, African Elephant and Hippopotamus) (May 2009). 1
  • 2. Van Ginkel, C.M. 2009. Agricultural Assessment: Kameeldrift Cattle Feedlot at portion 2 of portion 2 of the farm Oog van Boekenhoutskloof/Tweefontein 288 JR GDACE Ref: GAUT: 002/08-09/N1136 (April 2009). Van Ginkel, C.M. 2009. Ecological Management Plan (EcoMP) and Restoration Guidelines for Zingela Game and River Lodge, De Hoek 411 IR, Heidelberg, Gauteng Province (April 2009). Van Ginkel, C.M. 2008. Environmental Management Plan (EMP), Ecological report (ER) and Biodiversity Statement for CDT Krokodilboerdery CC/BK at Part 1, Rotterdam, KR 538, restituting part 287.12ha, Limpopo Province (November 2008). Van Ginkel, C.M. 2008. Specialist witness report using historic maps and aerial photographs in respect of a disputed access road to Sebaka Game farm (Mooikopje 237 JS), Mpumalanga Province (This case was eventually won and settled outside of court: 11/11/2008). Van Ginkel, C.M. & Du Plessis, B.J. (2010). Generic EMP for IAWMP in the Greater Vaal River System (WP 8905). Van Ginkel, C.M. (Cancelled). Sustainable Citrus Black Spot (Guignardia citricarpa Kiely) Disease Management in Marble Hall, Limpopo Province, South Africa. Ph.D. Thesis at the University of Pretoria. Cancelled due to loss of Computer Hard Drive. Van Ginkel, C.M. (2010). Comparison of sporulation and ascospore release conditions in adjacent Citrus Black Spot (Guignardia citricarpa Kiely) prediction areas in Marble Hall, Limpopo Province, South Africa. Van Ginkel, C.M. & Bredell A. (Ongoing Service: 2001-2013) Weekly Spore Release Reports on Plant Pathogens (aerospora) and also Ad Hoc Special Investigation Reports in the Loskopvallei, Groblersdal, Marble Hall, Toitskraal and adjacent areas iro the production of export fruit and other agricultural crops. Performed as a service in co-operation with the operational team of Lowveld Agrochem (Marble Hall). Van Ginkel, C.M. (2009). Key parameters for implementation in the PLANT-Plus disease forecasting model: Citrus Black Spot (Guignardia citricarpa) Kiely). Van Ginkel, C.M. 2008. Mbyane (former Boondocks) Conservancy: EMP for Sable Antelope Breeding Programme on portions of the Mbane Conservancy (Three Sisters 254 JU & Three Sisters 256 JU, Mpumalanga Province. (August, 2008). Van Ginkel, C.M. 2008. Weltevreden Game Farm: Report on the Carrying Capacity and veld Conservation, Limpopo Province. Van Ginkel, C.M. 2008. Motivation, EMP and ER for Wildevy Krokodilplaas BK/CC. Development of a Crocodile Breeding Facility at Part 36 of the Farm KROKODILSDRIFT 25 JS, Limpopo Province (August, 2008). Van Ginkel, C.M. 2008/9. Training Seminar Series: Responsible Handling of Agro-chemicals (Croplife Training/ ACDASA Training) (Lecturing from 2003-2008 and continuing at different 2
  • 3. venues and dates. Paricipants: Farm Owners/ Managers/ Pesticide workers/ Pesticide companies i.e. Lowveld Agrochem and Megatrax for Tshwane Municipality). Du Plessis, B.J., Van Ginkel, C.M. and Dorfling, E. 2008. Envirokonsult (2008) Environmental status report: First round environmental health assessment of the Silver Lakes Waterways. Report to the Manager of the Silver Lakes Golf Estate, Pretoria, Republic of South Africa. Report no. CLP/RSA/003-0408 (April 2008). Van Ginkel, C.M. 2008. Zoonotic Report for Portion 6 of the farm LIEFLING No 204 JQ (Beestekraal), Madibeng, North-West Province in accordance with the Occupational Health and Safety Act 85 of 1993 (Addendum to DACET Ref No 149 & 150) (April 2008). Van Ginkel, C.M. & Du Plessis, B.J. 2008. Photographic Feedback to DWAF in regards of: Integrated Aquatic Weed Management Programme (IAWMP) for the Greater Vaal River System WP 8905. On 04/04/2008 at Envirokonsult’s Board room, CSIR Campus, Pretoria. Van Ginkel, C.M. 2008. EMP and background to Basic Assessment Report for Brits Crocodile Farm (Pty (Ltd): Extension and development of an existing crocodile breeding facility at Standerton to portions 301 & 302 of Part 415 of the farm ZOUTPANSDRIFT JQ, North West Province (March 2008/ Amended January 2009). Van Ginkel, C.M. 2008. Risk Management and Environmental Management in Pretoria. Lecture to the Tshwane Horticultural Club at the premises of Megatrax in Pretoria North 19/03/2008. Van Ginkel, C.M. 2008. Omgewingsbestuursplan vir die wildsplaas HARMONY 36, Limpopo Provinsie (Januarie 2008). Van Ginkel, C.M., Du Plessis, B.J. 2008. Acrolein: Application for registration in terms of Act 36 of 1947: Fertilizers, Farm Feeds, Agricultural Remedies and Stock Remedies Act and Relevant Regulations. Submissions to the Department of Agriculture and the Department of Health. Du Plessis, B.J. & Van Ginkel, C.M. 2007. Verslag oor Brits Munisipaliteit Rioolsuiwerings- werke se invloed op Waterkwaliteit in die Krokodilrivier. Verslag aan Nick Fourie van die Hartebeespoortdam Besproeiingsraad (November 2007). Van Ginkel, C.M. 2007. Biodiversity and Ecological Report for the farm PLATKOPJES 420IR, Gauteng. For the Applicant KANHYM PIGGERIES via Thirstland Safaris (October 2007). Van Ginkel, C.M. en Bredell, A. 2007. Ontwikkeling van ‘n Sitrusswartvlekbesluitnemingsmodel in die Loskopvallei. CRI Terugvoervergadering 05/09/2007 te Raasblaar Lodge, Marble Hall. Van Ginkel, C.M. 2007. Omgewingsbestuursplan (OBP) vir ‘n Krokodilboerdery te Mtibi, Barberton, Mpumalanga. (Augustus 2007). 3
  • 4. Van Ginkel, C.M. 2006. Photographic Atlas: Baseline Environmental Assessment of the Central Rand Gold Mining Areas. For Rand Quest Syndicate via Ferret Mining, Gauteng (September 2006). Van Ginkel, C.M., Kotze, J.M., Korsten, L. and Van der Waals, J.E. 2006. Progress on the development of a Citrus Black Spot disease forecasting model/ Vordering met die ontwikkeling van ‘n Sitrus Swartvlek siektevoorspellings-model. Seminar at the 4th Citrus Research Symposium, Port Elizabeth, 20-23 rd of August 2006. Also published in The Research Proceedings of the CRI for 2006 (23/08/2006). Van Ginkel, C.M. 2006. Operational Aspects of a Proposed Fertigation Division in Lowveld Agrochem. Presentation at a Lowveld Agrochem Meeting in Pretoria 06/07/2006. Van Ginkel, C.M. 2006. Telone II as Nematisied op Tabak. Laeveld Agrochem Nylstroom 13/06/2006. Van Ginkel, C.M. 2006. Ondersoek na letsels op Navel-lemoene in Groblersdal 06/06/2006. Laeveld Agrochem, Groblersdal. Bredell, A. & Van Ginkel, C.M. 2006. Siektes en Plae by Erte. Lesing vir Mc Cain’s produsente op 25/04/2006. Van Ginkel, C.M. 2006. Makadamia-verbouing in die Loskopvallei. Laeveld Agrochem Groblersdal 28/03/2006. Van Ginkel, C.M. 2006. Citrus Black Spot Data Presentation. University of Pretoria at Inter- Departmental Meeting 10/03/2006. Van Ginkel, C.M. 2006. Omgewingsbestuursplan vir ‘n Njala (Tragelaphus angasii) teelprojek op Gedeelte 694 van die Plaas LOSKOP NOORD JS, Mpumalanga (Maart 2006). Van Ginkel, C.M. 2006. Permit-application: Drie Berge Caravan Park and Public Resort on Part 524 of the Farm HARTEBEESPOORT 419 JQ, North-West Province (Approved: March 2009). Van Ginkel, C.M. 2006. Environmental Management Plan (EMP) for Arotin Exempted Game Farm and Game Breeding Project on 360 ha of the Farm LOSKOP-SUID 53 JS, Mpumalanga (May 2006). Viljoen, P.J. (Ed). 2005. AGRED’s Game Birds of South Africa, Field identification and Management . (Van Ginkel, C.M. Contibuting consultant p 296 and proof reading: Gamebird Management). The African Game Bird Research, Education and Development Trust, Houghton, South Africa. Van Ginkel, C.M. 2005. EMP and Ecological Report for Parts 1 & 4 of the Farm RIETFONTEIN 736 KS (266 ha), Mpumalanga in terms of suitability as Game Farm that might include White Rhino and Buffalo (November 2005). Van Ginkel, C.M. 2005. EMP and Ecological Report for the Farms KLIPSPRUIT 209 JS and ROOIKOP 347 JS as the Mispah Game Breeding Project, Mpumalanga (August 2005). 4
  • 5. Van Ginkel, C.M. 2005. EMP and Ecological Report for the Development of Parts of the Farm BLINKWATER 213 JS Mpumalanga as a Game Farm (June 2005). Van Ginkel, C.M. 2005. Agro-Ecological and Biodiversity Report: Little Bridger Development and subdivision of the Farm KAMEELDRIFT 294 JR, Gauteng (May 2005). Van Ginkel, C.M. 2005. EMP and Ecological Report for Standerton Crocodile Farm on the Farm DARLING 11 JS, Mpumalanga (May 2005). Van Ginkel, C.M. 2005. EMP and Ecological Report for Sebaka Game Farm and Quarantine Facility at MOOIKOPJE 237 JS & TWEEFONTEIN 236 JS, Mpumalanga (February 2005). Bredell, A. & Van Ginkel, C.M. 2005. Tegniese Terugvoer Sitrusverbouing 2004-2005. Laeveld Agrochem, Marble Hall 02/11/2005. Van Ginkel, C.M. 2005. Vrugtevlieg-monitering en die gevaar wat Bactrocera invadens inhou (2004-2005). Laeveld Agrochem Sitrusdag Marble Hall 21/07/2005. Van Ginkel, C.M. 2005. Ondersoek na die oorsake van Druiweletsels te Schoonbee Landgoed. Laeveld Agrochem 20/07/2005. Van Ginkel, C.M. 2005. Ondersoek na redes vir Vrugval in Sitrusboorde in Groblersdal. Laeveld Agrochem, Groblersdal 15/07/2005. Van Ginkel, C.M. 2005. Pakparaatheid vir Sitrus 2005 Seisoen. Laeveld Agrochem, Sitruspakhuisdag 09/03/2005. Van Ginkel, C.M. 2005. Tonnel-tamaties. Laeveld Agrochem 20/01/2005. (Pretoria, Groblersdal) Van Ginkel, C.M. 2004. EIA for Captive Game Breeding Project at part 39 of the Farm KROKODILSDRIFT 25 JS, Mpumalanga (Presently Limpopo Province) (December 2004). Van Ginkel, C.M. 2004. Project Application, Ecological Report and EMP for Crocodile Breeding Facility at CASTLEKOP 592 JT & COPPICE 638 JT, Mpumalanga (November 2004). Van Ginkel, C.M. 2004. Gross Crocodile Farm: Ecological Report, EMP and Development Plan for Part 15 of KAMEELDOORN 71 JS, Mpumalanga (February 2004). Van Niekerk, J.H. & Van Ginkel C.M. 2004. The feeding behaviour of pigeons and doves on sown grain crops on the South African Highveld. In Ostrich: Journal of African Ornithology 2004, 75 (1&2), p 39-43. Abstract: Feeding behaviour of pigeons and doves on sown grain crops was studied on the South African Highveld during 1998–2002. Plots of grains (sunflower, sorghum and maize) were planted on the farm Nooitgedacht near Heidelberg (South Africa) to study the feeding and movement of columbids in these fields. More general studies were also conducted across the Highveld region to determine overall crop damage. Results show that Laughing Streptopelia senegalensis and Red-eyed Doves S. semitorquata as well as Rock Pigeons Columba guinea take seed directly from sunflower and sorghum plants. 5
  • 6. This is a first formal recording of this behaviour for Laughing and Red-eyed Doves in South Africa. Columbid populations have changed their movements and feeding methods in recent times to exploit available grain during the first half of the year. Unlike in Zimbabwe and Kenya, Cape Turtle Doves S. capicola were seldom seen feeding on grain seeds in sown lands on the Highveld. Rock Pigeons and Red-eyed Doves prefer soft sunflower seeds (about 31% moist content) relatively early in the season whereas Laughing Doves also consume very dry seeds (about 7% moist content) later in the season. Columbids are capable of inflicting crop damage on the Highveld; however, to get a more reliable indication of the national crop damage more site-specific surveys will be needed. Rock Pigeons are capable of removing the tubular florets from the sunflower heads in order to get access to the soft seeds. However, since these pigeons only remain for 2–3 weeks, they are probably not responsible for the bulk of the crop damage that sunflower incurs in South Africa. Granivorous paserienes and rodents are co- responsible for crop damage in South Africa. Van Ginkel, C.M. 2004. Swartvlekmonitering-terugvoer 2003-4. UP & Laeveld Agrochem 05/09/2004. Van Ginkel, C.M. 2004. Sitrus: Vrugset en Vruggrootte. Laeveld Agrochem Sitrusdag 02/08/2004. Van Ginkel, C.M. 2003. Swartvlekmonitering 2002-3. Laeveld Agrochem Sitrusdag Marble Hall 28/10/2003, UP Vergadering. Van Ginkel, C.M. 2003. Valskodlingmot (Cryptophlebia leucotreta Meyrick) Bestuur en Terugvoer 2002-3. Laeveld Agrochem Sitrusdag Marble Hall 28/10/2008. Van Ginkel, C.M. 2003. Application and Motivation for a Crocodile Breeding Facility at Part 15 of the Farm KAMEELDOORN 71 JS, Mpumalanga (September 2003). Van Niekerk, J.H. & Van Ginkel, C.M. 2003. Notes on the behavioural ecology of Coqui francolin in the Rustenburg district, South Africa. ISSN: 03794369, South African Journal of Wildlife Research, Vol. 33, Issue 1, p. 59-62. • Abstract: This study describes territorial behaviour and habitat utilization of Coqui francolin (Peliperdix coqui) on the farm La Boheme in the Rustenburg district, South Africa. These francolins live an isolated family life in fairly large (at least 2 ha) high- grass savanna territories. Of 123 coveys counted, only four coveys were observed further than 200 m from the 12 territories that were identified over a period of 17 months. This suggests that Coqui francolins are highly sedentary and probably kept local by ecological barriers. Land-use and soil type could account for the fragmented distribution of Coqui francolin in South Africa, as these birds avoid disturbed areas and were only observed on light-coloured sandy soils. The mean annual population density for the 700-ha study area was 4.2 francolins per 100 ha. A higher density of up to 7.0 francolins per 100 ha was observed in optimal habitat. Subadults often occupy marginal habitats during the breeding months, presumably having been evicted from more optimal habitat by breeding birds. 6
  • 7. Van Ginkel, C.M. 2002. Telemetric Data Capturing as Management Tool in the Production of a potato (Solanum tuberosum L.) crop on the Springbok Flats, Limpopo Province, South Africa. Applied Ecology/ Plant Pathology/ Disease Modelling Master’s Thesis at the University of the Free State (November 2002). The final MOB Degree was awarded with Distinction. Abstract: The purpose of this investigation was to evaluate the reducing of cost and risk by the use of on site data capturing techniques and applied software during the production of a potato (Solanum tuberosum L.) crop. The environmental conditions from planting to harvest were meticulously monitored. Management decisions were based upon continuously measured environmental data transmitted by radio-signal to a computer. Specialized software assisted in the decision-making process (A Decision Support System – DSS). The instruments included a mini-disease station equipped with sensors measuring precipitation, leaf-wetness, temperature, relative humidity and soil moisture. Software included disease modeling for infections caused by the fungi Alternaria solani (Early Blight) and Phytophthora infestans (Late Blight) refined in situ. A Weather forecast based upon environmental data obtained from a satellite assisted regional weather station provided information to predict crop-spraying conditions and adverse environmental conditions like frost up to 5-days in advance. The result was an above average crop with savings on water, energy, labour, chemicals sprayed, fertilizer and mechanization. Environmental advantages included reduced soil compaction, -environmental contamination by chemicals, -air pollution, and -leaching of fertilizers to groundwater. Genetic resistance towards spray chemicals in pathogenic organisms was minimized. This transparent, documented approach and the global drive towards SHE- responsibility (e.g. Global/EurepGap) makes it universally applicable to other crops (especially exports) and a myriad of environmental studies (e.g. euthrophication, habitat alteration etc.). In conclusion it can be stated that the benefits derived from improved management decisions based upon continuous (in situ) data capturing have merit and will contribute positively to the concepts of sustainability and environmental stewardship alike. A Similar approach are being lodged at present to model the Citrus Black Spot (CBS) phytosanitary disease of Export Citrus. Van Ginkel, C.M. 2002. Report on the Topic for Discussion: Should Environmental Management in Africa differ from that in the rest of the world? Department of Communication Science & School for Environmental Studies, UFS, 30/04/2002 (MOB Degree). Van Ginkel, C.M. 2002. Report on Sustainable Environmental Communication. Department of Communication Science & School for Environmental Studies, UFS, 05/04/2002 (MOB Degree). Van Ginkel, C.M. 2001. Reformist Approach: A Critical Analysis of Global Environmental Governance: The Case for Ozone. Department of Political Science & School for Environmental Studies, UFS, 30/11/2001 (MOB Degree). Van Ginkel, C.M. (Ed.). 2001. Buffalo Man, One with the Environment, Ed. 2, October/November 2001. 7
  • 8. Van Ginkel, C.M. 2001. Report on the Super Politics of Global Environmental Governance: The Mind Boggling Case of HIV/AIDS. Department of Political Science & School for Environmental Studies, UFS, 19/10/2001 (MOB Degree). Van Ginkel, C.M. (Ed.) 2001. Buffalo Man, Man, His Environment, Ed. 1, August/September 2001. Van Ginkel, C.M. 2001. Report on the Economic Sustainability of Dimension Stone Mining in an Ecologically Sensitive area in South Africa. Department of Economy & School for Environmental Studies, UFS, 21/09/2001 (MOB Degree). Van Ginkel, C.M. 2001. Presentation to Daimler-Chrysler iro an appropriate site for the construction of an assembly plant for their third generation hydrogen-fuel cell vehicles in Tshwane Metro, Pretoria. Department of City and Regional Planning & School for Environmental Studies, UFS, 24/08/2001 (MOB Degree). Van Ginkel, C.M. 2001. Report on the possible effects of global warming on natural vegetation and food production in southern Africa- some proposed management actions. School for Environmental Studies, UFS, 26/05/2001 (MOB Degree). Van Ginkel, C.M. 2001. Report on Control Methods for the Prevention and Reduction of Cultural Eutrophication of South African Surface Waters. School for Environmental Studies, UFS, 27/04/2001 (MOB Degree). Van Ginkel, C.M. 2001. Rehabilitation of a Fly-Ash Dump, Kendal Power Station, Eskom, Mpumalanga. Report to Geo-Hydrology Department & School for Environmental Studies, UFS, 16/03/2001 (MOB Degree). Van Ginkel, C.M. 2001. Geologiese Verslag: Die Bestuur van Hellingstabiliteit op die R 577 Uitsigroete, Mpumalanga. Geology Department & School for Environmental Studies, UFS, 23/02/2001 (MOB Degree). Van Ginkel, C.M. 2001. Slope Stabilization on the R 577, Mpumalanga. Presentation to the Geology Department of the University of the Free State 27/02/2001 (MOB Degree). Outspan International. 1997. Produksieriglyne vir Uitvoersitrus, Deel IV, Pluk en Verpakking van Sitrus/ Production Guidelines for Export citrus, Part IV, Harvesting and Packing of Citrus. Outspan International, South Africa. (Van Ginkel, C.M. as part of production team wrote Citrus Packing and proof read the Afrikaans Edition. Van Ginkel, C.M. 1992. Designing a Supplementary Lick Program for all Seasons (Beef and Mutton). Voermol, Hulett-Tongaat Lecture at Farmer’s day, Adelaide, Eastern Cape. Van Ginkel, C.M. 1992. Dairy Management for Production. Dairy Farmer Day Lecture (Voermol, Hulett-Tongaat), Alexandria, Eastern Cape. Van Ginkel, C.M. 1991. Formulating Feed for the Growing Ostrich. Ostrich Farmer Day Lecture (Voermol, Hulett-Tongaat) Cradock, Eastern Cape. 8
  • 9. Van Ginkel, C.M. 1990. Profiting from New Tomato Cultivars throughout the year in East London. Training lecture to Tomato Producers (Hygrotech at Farmarama), East-London, Eastern Cape. Van Ginkel, C.M. 1990. Die Plantegroei-ekologie van die Karoo Nasionale Park. Research Project CK/11, National Parks Board of Trustees, Pretoria, South Africa (December 1990) Van Ginkel, C.M. 1989. The Importance of Geological Data during Habitat Description in the South African Karoo. Poster at Karoo Biome Working Group’s Symposium, Graaff-Reinet (August 1989). Van Ginkel, C.M. 1989. Evaluation of Habitat in the Carnarvon, Loxton and Beaufort West areas of the Nama Karoo for the re/introduction of Riverine Rabbit (Bunolagus monticularis) into these areas. Karoo Biome Work Group Report and Poster. Van Ginkel, C.M. 1989. Elektriese Visse. In Elephant’s Child, Newsletter of the Albany Museum, Vol. 12, No. 4. Grahamstown, South Africa. Van Ginkel, C.M. 1989. Bed Bugs. In Elephant’s Child, Newsletter of the Albany Museum, Vol. 12, No. 1. Grahamstown, South Africa. Acocks, J.P.H. 1988. Veld Types of South Africa, 3rd Ed. Botanical Research Institute, Department of Agriculture and Water Supply, South Africa. (Van Ginkel, C.M as Principal Research Technician to Dr J.C. Scheepers was involved in the revisit and capture of sites, cover design, collection, retouching, selection, and dark-room printing of photographs of veld types; contribution acknowledged on p. 123). Van Ginkel, C.M. 1986. Essential Research Methodology in Amateur Herpetology. In Nyoka News III (2), Newsletter of the Transvaal Herpetological Society. 9
  • 10. Van Ginkel, C.M. 1990. Profiting from New Tomato Cultivars throughout the year in East London. Training lecture to Tomato Producers (Hygrotech at Farmarama), East-London, Eastern Cape. Van Ginkel, C.M. 1990. Die Plantegroei-ekologie van die Karoo Nasionale Park. Research Project CK/11, National Parks Board of Trustees, Pretoria, South Africa (December 1990) Van Ginkel, C.M. 1989. The Importance of Geological Data during Habitat Description in the South African Karoo. Poster at Karoo Biome Working Group’s Symposium, Graaff-Reinet (August 1989). Van Ginkel, C.M. 1989. Evaluation of Habitat in the Carnarvon, Loxton and Beaufort West areas of the Nama Karoo for the re/introduction of Riverine Rabbit (Bunolagus monticularis) into these areas. Karoo Biome Work Group Report and Poster. Van Ginkel, C.M. 1989. Elektriese Visse. In Elephant’s Child, Newsletter of the Albany Museum, Vol. 12, No. 4. Grahamstown, South Africa. Van Ginkel, C.M. 1989. Bed Bugs. In Elephant’s Child, Newsletter of the Albany Museum, Vol. 12, No. 1. Grahamstown, South Africa. Acocks, J.P.H. 1988. Veld Types of South Africa, 3rd Ed. Botanical Research Institute, Department of Agriculture and Water Supply, South Africa. (Van Ginkel, C.M as Principal Research Technician to Dr J.C. Scheepers was involved in the revisit and capture of sites, cover design, collection, retouching, selection, and dark-room printing of photographs of veld types; contribution acknowledged on p. 123). Van Ginkel, C.M. 1986. Essential Research Methodology in Amateur Herpetology. In Nyoka News III (2), Newsletter of the Transvaal Herpetological Society. 9