Diesel Consumption and Carbon Balance in South African Pine Clear-Felling CTL Operations: a Preliminary Case Study P Ackerman, C Williams, S Ackerman, C Nati Croatian Journal of Forest Engineering 38 (1), 65-72, 2017 | 42 | 2017 |
Standards for time studies for the South African forest industry P Ackerman, E Gleasure, S Ackerman, B Shuttleworth Web: http://www. forestproductivity. co. za, 2014 | 32 | 2014 |
A comparison of two methods of data collection for modelling productivity of harvesters: manual time study and follow-up study using on-board-computer stem records J Brewer, B Talbot, H Belbo, P Ackerman, S Ackerman Annals of Forest Research 61 (1), 109-124, 2018 | 30 | 2018 |
Skills development of mechanized softwood sawtimber cut-to-length harvester operators on the Highveld of South Africa R Wenhold, P Ackerman, S Ackerman, K Gagliardi International Journal of Forest Engineering 31 (1), 9-18, 2020 | 21 | 2020 |
Multi-Product Forwarder-Based Timber Extraction: Time Consumption and Productivity Analysis of Two Forwarder Models Over Multiple Products and Extraction Distances K Gagliardi, S Ackerman, P Ackerman Croatian Journal of Forest Engineering: Journal for Theory and Application …, 2020 | 19 | 2020 |
Mechanised Pine Thinning Harvesting Simulation: Productivity and Cost Improvements as a Result of Changes in Planting Geometry SA Ackerman, S Seifert, PA Ackerman, T and Seifert Croatian Journal of Forest Engineering 37 (1), 1-12, 2016 | 16 | 2016 |
Effects of irregular stand structure on tree growth, crown extension and branchiness of plantation-grown Pinus patula SA Ackerman, PA Ackerman, T Seifert Southern Forests: a Journal of Forest Science 75 (4), 247-256, 2013 | 15 | 2013 |
Effect of slope on productivity and cost of Eucalyptus pulpwood harvesting using single-grip purpose-built and excavator-based harvesters P Ackerman, C Martin, J Brewer, S Ackerman International Journal of Forest Engineering 29 (2), 74-82, 2018 | 11 | 2018 |
The effect of tree and harvester size on productivity and harvester investment decisions SA Ackerman, A Rasmus, T Bruce International Journal of Forest Engineering, 1-11, 2021 | 9 | 2021 |
Harvesting and extraction impacts on Eucalyptus grandis × E. urophylla coppicing potential and rotation-end volume in Zululand, South Africa K Schwegman, KM Little, A McEwan, SA Ackerman Southern Forests: a Journal of Forest Science 80 (1), 51-57, 2018 | 8 | 2018 |
Productivity and workload analysis between manual and motor-manual pruning of Pinus patula at two different lifts ZB Sibiya, P Ackerman, SA Ackerman International Journal of Forest Engineering 32 (3), 191-201, 2021 | 6 | 2021 |
South African cable yarding safety and operating handbook S Ackerman, A Immelman, A McEwan, S Naidoo, S Upfold Forest Engineering Southern Africa and Institute for Commercial Forestry …, 2017 | 6 | 2017 |
Current operational constraints in the harvesting-silviculture interface: A scoping study S Ackerman, D Rietz | 6 | 2014 |
Silvicultural research requirements of the South African commercial forestry industry: a qualitative assessment through stakeholder consultation DN Rietz, SA Ackerman, LW Titshall ICFR Bulletin 03/2015. Institute for Commercial Forestry Research, 2015 | 4 | 2015 |
Mapping the South African pulpwood supply chain S Ackerman, D Rietz, L Titshall 7th Precision Forestry Symposium, 2017 | 3 | 2017 |
Shift scheduling in mechanised harvesting operations in South Africa. R Steyn, S Ackerman, P Ackerman ICFR Bulletin Series, 2011 | 3 | 2011 |
The effectiveness of a small-scale combination harvester/forwarder in industrial plantation first thinning operations SA Ackerman, H McDermid, P Ackerman, M Terblanche International Journal of Forest Engineering, 1-10, 2021 | 2 | 2021 |
The effect of irregular stand structures on growth, wood quality and its mitigation in operational harvest planning of Pinus patula stands SA Ackerman Stellenbosch: Stellenbosch University, 2013 | 1 | 2013 |
Harvesting and extraction impacts on Eucalyptus grandis x E. urophylla coppicing potential and rotation-end volume in Zululand, South Africa K Little, K Schwegman, A McEwan, S Ackerman Presentation file available at https://pdfs. semanticscholar. org, 2010 | 1 | 2010 |
Enhancing precision in quantification and spatial distribution of logging residues in plantation stands A Udali, B Talbot, S Ackerman, J Crous, S Grigolato European Journal of Forest Research, 1-14, 2024 | | 2024 |