G.W. Tolkamp

19962011

Research output per year

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Research Output

A first step to restore dipterocarp forest on Imperata cylindrica grasslands in East Kalimantan

Tolkamp, G. W. & Aldrianto, P., 1998, Overcoming impediments to reforestation: tropical forest rehabilitation in the Asia-Pacific region; proceedings of the 6th international workshop of BIO-REFOR, Brisbane, Australia, December 2-5, 1997. S.l., BIO-REFOR, 1998. Kikkawa, J., Dart, P., Doley, D., Ischii, K., Lamb, D. & Suzuki, K. (eds.). p. 50-58

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

De invloed van structuurdunning en noodverjonging op de effectieve depositie in bossen; een literatuurstudie

Tolkamp, G. W. & Olsthoorn, A. F. M., 2006, Wageningen: Alterra. 19 p. (Alterra rapport; no. 1337.7)

Research output: Book/ReportReportProfessional

Open Access

Early selection and vegetative propagation of six years old superior Dipterocarp trees through cuttings from stumps

Tolkamp, G. W., 1997, Sanguanit et al. (eds.), Proceedings International Workshop BIO-REFOR, IUFRO/SPDC; 189-196.

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Effecten van vernatting in bossen

Olsthoorn, A. F. M., Kopinga, J., Tolkamp, G. W., van den Berg, C. A. & ter Braak, C. J. F., 2002, Ede: Expertisecentrum LNV. 30 p. (Rapport / EC-LNV; no. 2003/173 O)

Research output: Book/ReportReportProfessional

Open Access

Effecten van vernatting op de groei en vitaliteit van eik, beuk en douglas in Roden, Leende en Gees

Olsthoorn, A. F. M., Tolkamp, G. W. & Koch, M. J., 2001, Wageningen: Alterra. 54 p. (Alterra-rapport; no. 276)

Research output: Book/ReportReportProfessional

Open Access

Effects of rising groundwater tables on root condition and tree vitality

Olsthoorn, A. F. M. & Tolkamp, G. W., 2000, Forest ecosystem restoration; ecological and economical impacts of restoration processes in seceondary coniferous forests. Hasenauer, H. (ed.). p. 194-199

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic

Genetically modified trees : status, trends and potential risks

Verwer, C. C., Buiteveld, J., Koelewijn, H. P., Tolkamp, G. W., de Vries, S. M. G. & van der Meer, P. J., 2010, Wageningen: Alterra, Wageningen-UR. 60 p. (Alterra-rapport; no. 2039)

Research output: Book/ReportReportProfessional

Open Access

Global wood production : assessment of industrial round wood supply from forest management systems in different global regions

Arets, E. J. M. M., van der Meer, P. J., Verwer, C. C., Hengeveld, G. M., Tolkamp, G. W., Nabuurs, G. J. & van Oorschot, M., 2011, Wageningen: Alterra, Wageningen-UR. (Alterra-report; no. 1808)

Research output: Book/ReportReportProfessional

Open Access

Growth comparisons among dipterocarp seedlings, wildings and cuttings in secondary forest

Tolkamp, G. W. & Aldrianto Priadjato, 2001, Proceedings of 6th round table conference on dipterocarps; Bangalore, India, 8-12 February 1999. Perth (Australia), Curtin University of Technology, 2001. Cox, M. C. & Elouard, C. (eds.). p. 112-120

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Initial growth of Shorea leprosula cuttings under the shade of Peronema canescens

Priadjati, A. & Tolkamp, G. W., 2003, Proceedings of the seventh round-table conference on dipterocarps. Aminah, H., Ani, S., Sim, H. C. & Krishnapillay, B. (eds.). Kuala Lumpur (Malaysia) [etc.]: APAFRI [etc.], p. 188-201

Research output: Chapter in Book/Report/Conference proceedingConference paper

Initial growth of Shroea leprosula Miq. cuttings under the shade of Peronema canescens Jack

Aldrianto Priadjati & Tolkamp, G. W., 2002, Aldrianto Priadjati, Dipterocarpaceae: forest fires and forest recovery. Wageningen, Tropenbos Foundation, 2002. Tropenbos-Kalimantan Ser. 8. p. 107-132

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Kwantificering van beschikbare biomassa voor bio-energie uit Staatsbosbeheerterreinen

Tolkamp, G. W., van den Berg, C. A., Nabuurs, G. J. M. M. & Olsthoorn, A. F. M., 2006, Wageningen: Alterra. 46 p. (Alterra-rapport; no. 1380)

Research output: Book/ReportReportProfessional

Open Access

Metoda pembuatan stek Dipterocarpaceae

Aldrianto Priadjati & Tolkamp, G. W., 2002, Manual persemaian Dipterocarpaceae. Yasman, I. & Hernawan (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic

Onderzoeksvisie geïntegreerd bosbeheer

van Raffe, J. K., van Vliet, C. J. M., de Jong, J. J., Olsthoorn, A. F. M., Wijdeven, S. M. J., van Wijk, M. N., Oosterbaan, A., van den Berg, C. A., van Blitterswijk, H., van Apeldoorn, R. C., Hillegers, P. J. M. & Tolkamp, G. W., 2003, Wageningen: Alterra. 29 p.

Research output: Book/ReportReportProfessional

Op weg naar een Natuur- en Landschapsnorm : eerste verkenning van de inzet van biologische bedrijven voor natuur en landschap

Kloen, H., Tolkamp, W., Stortelder, A. H. F. & Corporaal, A., 2009, Wageningen: Alterra. 36 p. (Alterra-rapport; no. 1938)

Research output: Book/ReportReportProfessional

Open Access

Op weg naar een Natuur- en landschapsnorm - II. Aanvullende verkenning van inzet en draagvlak voor natuur en landschap bij biologische bedrijven

Kloen, H., Tolkamp, G. W., Stortelder, A. H. F. & Willems, S., 2010, Wageningen: Alterra/CLM. 60 p. (Alterra-rapport; no. 2072)

Research output: Book/ReportReportProfessional

Open Access

Pembangunan kebun pangkas

Tolkamp, G. W. & Daud Leppe, 2002, Manual persemaian Dipterocarpaceae. Yasman, I. & Hernawan (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic

Pioneer - dipterocarp plantations; an appropriate strategy for reforestation of Imperata cylindrica grassland

Tolkamp, G. W., 2001, Proceedings of 6th round table conference on dipterocarps; Bangalore, India, 8-12 February 1999. Perth (Australia), Curtin University of Technology, 2001. Cox, M. C. & Elouard, C. (eds.). p. 144-158

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Produksi bibit Dipterocarpaceae melalui biji dan cabutan

Rayan, Tolkamp, G. W. & Riskan Effendi, 2002, Manual persemaian Dipterocarpaceae. Yasman, I. & Hernawan (eds.).

Research output: Chapter in Book/Report/Conference proceedingChapterAcademic

Rehabilitation of Wanariset secondary forest (East Kalimantan) through dipterocarp species line plantings

Effendi, R., Priadjati, A., Omon, M., Rayan, Tolkamp, G. W. & Nasry, E., 2001, The balance between biodiversity conservation and sustainable use of tropical rain forests. Wageningen, Tropenbos, 2001. Hillegers, P. J. M. & de Iongh, H. H. (eds.). p. 31-44

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Rejuvenation of Dipteropcarp hedge orchards

Tolkamp, G. W., 1996, Proceedings Symposium on recent advances in tropical tree seed technology and planting stock production. ASEAN Forest Tree Seed Centre, Saraburi, Thailand; 218-226. Yape, A. C. (ed.).

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Sylviculture et amélioration génétique de l'Okoumé (Aucoumea klaineana Pierre) phase II

Tolkamp, G. W. & Verkaar, H. J. P. A., 1999, Wageningen: IBN-DLO. 55 p.

Research output: Book/ReportReportProfessional

Technical and scientific support of the Forest Rehabilitation Research Group

Tolkamp, G. W., 1997, 22 p.

Research output: Book/ReportReportProfessional

The effect of different stock plant types (hedge orchards) and cutting media on the rooting ability of 14 Dipterocarp species

Tolkamp, G. W. & Aldrianto, P., 1996, Proceedings Fifth Round Table Conference on Dipterocarpaceae, Chiang Mai, Thailand; 197-215. Appanah, S. & Khoo, K. C. (eds.).

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Towards an ecology-based strategy for the reforestation of Imperata cylindrica grasslands in East Kalimantan

Tolkamp, G. W., Priadjati, A. & Effendi, R., 2001, The balance between biodiversity conservation and sustainable use of tropical rain forests. Wageningen, Tropenbos, 2001. Hillegers, P. J. M. & de Iongh, H. H. (eds.). p. 99-115

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Vegetative propagation to assure a continuous supply of plant material for forest rehabilitation

Priadjati, A., Smits, W. T. M. & Tolkamp, G. W., 2001, The balance between biodiversity conservation and sustainable use of tropical rain forests. Wageningen, Tropenbos, 2001. Hillegers, P. J. M. & de Iongh, H. H. (eds.). p. 19-29

Research output: Chapter in Book/Report/Conference proceedingConference paperAcademic

Waarom volstaat een fosfaatbemesting met Ca bij lage pH? Het effect van Ca zonder het pH effect van bekalking; literatuuronderzoek

Tolkamp, G. W. & Olsthoorn, A. F. M., 2006, Wageningen: Alterra. 15 p. (Alterra rapport; no. 1337.3)

Research output: Book/ReportReportProfessional

Open Access