Santa Kalēja

ORCID id: https://orcid.org/0000-0001-8971-4218

Publikāciju saraksts
List of publications

  • Butlers A., Lazdiņš A., Kalēja S., Bārdule A. 2022. Carbon Budget of Undrained and Drained Nutrient-Rich Organic Forest Soil. Forests, 13(11), 1790; https://doi.org/10.3390/f13111790 
  • Liepiņš J., Lazdiņš A., Kalēja S., Liepiņš K. 2022. Species Composition Affects the Accuracy of Stand-Level Biomass Models in Hemiboreal Forests. Land, 11(7), 108; https://doi.org/10.3390/land11071108
  • Kaleja S., Butlers A. 2022. Evaluation of public attitude to forest drainage as climate change mitigation measure. In: Proceedings of 21st International Scientific Conference Engineering for Rural Development, Jelgava, Latvia, 25-27 May 2022. Jelgava: LULST, p. 669-674; https://doi.org/10.22616/ERDev.2022.21.TF215
  • Līcīte I., Makovskis K., Kalēja S., Zimelis A., Champion J., Lazdiņš A. 2021. Greenhouse gas mitigation potential of forest biofuel originated in Latvia. In: Proceedings of the 10th International Scientific Conference “Rural Development 2021: Challenges for Sustainable Bioeconomy and Climate Change”, 21-23 September 2021. Kaunas: Vytautas Magnus University Agriculture Academy, p. 106-111; https://doi.org/10.15544/RD.2021.018
  • Lazdins A., Kaleja S., Zimelis A., Spalva G., Bardulis A. 2021. Productivity and carbon dioxide (CO2) emissions of compact class vimek 404 T5 harvester in thinning of young birch stands in afforested cropland. In: Proceedings of 20th International Scientific Conference "Engineering for Rural Development 2021", Virtual, Jelgava, 26-28 May 2021. Jelgava: LUA, Vol. 20, p. 780-785; https://doi.org/10.22616/ERDev.2021.20.TF173
  • Zimelis A., Lazdins A., Saule G., Kaleja S. 2021. Estimation of productivity and cost of small-size fully-mechanized cut-to-length systems. In: Proceedings of 20th International Scientific Conference "Engineering for Rural Development 2021", Virtual, Jelgava, 26-28 May 2021. Jelgava: LUA, Vol. 20, p. 1814-1820; https://doi.org/10.22616/ERDev.2021.20.TF398
  • Ivanovs J., Stals T., Kaleja S. 2020. Impact of the use of existing ditch vector data on soil moisture predictions. In: Proceedings 26th Annual International Scientific Conference "Research for Rural Development 2020". Jelgava: LULST, Vol. 35, p. 248-251; https://doi.org/10.22616/rrd.26.2020.036
  • Kalēja S. 2020. Mašinizētas enerģētiskās koksnes sagatavošanas tehnoloģiskie un ekonomiskie risinājumi starpcirtē / Technological and economic solutions of mechanised forest biofuel production in thinning. Promocijas darbs mežzinātņu doktora grāda iegūšanai / Thesis (Dr. silv.). LVMI Silava / LSFRI Silava
  • Zimelis A., Kalēja S., Sergey A. 2020. Evaluation of productivity and costs of Malwa forest machine in sanitary fellings in Latvia. In: Proceedings 26th Annual International Scientific Conference "Research for Rural Development 2020". Jelgava: LULST, Vol. 35, p. 61-65; https://doi.org/10.22616/rrd.26.2020.009
  • Kalēja S., Spalva G., Lazdiņš A. 2019. Evaluation of potential impact of soil scarification pattern on trees’ damages in future commercial thinning. In: Proceedings of International Conference "Research for Rural Development 2019". Jelgava: LUA, Vol. 1, p. 44-51; https://doi.org/10.22616/rrd.25.2019.007
  • Makovskis K., Lazdina D., Kaleja S., Spalva G., Dumins K. 2019. Planting and tending productivity comparison in mounds and disc trenches using containerized and bareroot coniferous seedlings. Agronomy Research, 17(6), 2327-2338; https://doi.org/10.15159/ar.19.196
  • Zimelis A., Kalēja S., Okmanis M. 2019. Complex forest management system based on small size forest machines. In: Proceedings of Scientific Conference "Engineering for Rural Development", 2019. Jelgava: LUA, Vol. 18, pp. 475-480; https://doi.org/10.22616/ERDev2019.18.N021
  • Kalēja S., Lazdiņš A., Zimelis A., Spalva G. 2018. Model for cost calculation and sensitivity analysis of forest operations. Agronomy Research, 16(5), 2068-2078; https://doi.org/10.15159/AR.18.207
  • Kalēja S., Petaja G., Zimelis A., Puzuls K. 2018. Increase of forwarding productivity and reduction of tree damages in thinning by use of loading grapple with tilt function. In: Proceedings of 17th International Scientific Conference "Engineering for Rural Development". Jelgava: LUA, Vol. 17, p. 1384-1389; https://doi.org/10.22616/ERDev2018.17.N148
  • Kalēja S., Spalva G., Stola J. 2018. Productivity and cost of logbear F4000 forwarder in thinning depending on driving conditions. In: Proceedings of 17th International Scientific Conference "Engineering for Rural Development". Jelgava: LUA, Vol. 17, p. 1458-1463; https://doi.org/10.22616/ERDev2018.17.N275
  • Petaja G., Kaleja S., Zimelis A., Lazdins A. 2018. Comparison of productivity of standard and accumulating forwarder grapple in thinning. In: Proceedings of 17th International Scientific Conference "Engineering for Rural Development". Jelgava: LUA, Vol. 17, p. 1366-1371; https://doi.org/10.22616/ERDev2018.17.N143
  • Zimelis A., Kaleja S., Luguza S. 2018. Factors affecting productivity of machined logging in thinning using small size forest machines. In: Proceedings of 24th International Scientific Conference "Research for Rural Development 2018". Jelgava: LUA, Vol. 1, p. 47-52; https://doi.org/10.22616/rrd.24.2018.007
  • Zimelis A., Kaleja S., Spalva G., Lazdins A. 2017. Impact of feed rollers on productivity and fuel consumption. In: Proceedings of 16th International Scientific Conference "Engineering for Rural Development". Jelgava: LUA, Vol. 16, p. 756-760; https://doi.org/10.22616/ERDev2017.16.N152
  • Lazdiņš A., Prindulis U., Kalēja S., Daugaviete M., Zimelis A. 2016. Productivity of Vimek 404 T5 harvester and Vimek 610 forwarder in early thinning. Agronomy Research, 14(2), 475-484
  • Prindulis U., Kalēja S., Lazdiņš A. 2016. Soil compaction in young stands during mechanized logging of biofuel and roundwood assortments. In: Proceedings of 22nd International Scientific Conference "Research for Rural Development 2016". Jelgava: LUA, Vol. 2, p. 69-75
  • Kaleja S., Lazdins A., Prindulis U. 2015. Evaluation of the impact of different types of tracks on productivity and cost comparison of differently equipped forwarders in thinning. In: Jansons A. (Ed.) Book of abstracts of conference "Adaption and mitigation: strategies for management of forest ecosystems & Enerwoods seminar". Salaspils: LSFRI Silava, p. 47-48
  • Lupikis A., Kaleja S., Lazdins A., 2015. Impact of tracked and wheeled forest machines on soil preparation resistance in early thinning. In: Jansons A. (Ed.) Book of abstracts of conference "Adaption and mitigation: strategies for management of forest ecosystems & Enerwoods seminar". Salaspils: LSFRI Silava, p. 49
  • Skudra A., Kaleja S., Prindulis U., Lazdins A. 2015. Influence of work method on harvester productivity in thinning of coniferous stands. In: Jansons A. (Ed.) Book of abstracts of conference "Adaption and mitigation: strategies for management of forest ecosystems & Enerwoods seminar". Salaspils: LSFRI Silava, p. 63-65
  • Kalēja S., Lazdiņš A., Zimelis A. 2014. Impact of assortments' structure on harvesting productivity and costs of pre-commercial thinning. In: Proceedings of 20th International Scientific Conference "Research for Rural Development 2014". Jelgava: LUA, Vol. 2, p. 83-89
  • Kalēja S., Lupiķis A., Lazdiņš A., Prindulis U. 2014. Soil compaction using tracked and wheeled forest machines in early thinning. In: Book of Abstracts of 9th Baltic Theriological Conference: Forest ecosystems and its management: towards understanding the complexity. Salaspils: LSFRI Silava, DU Institute of Systematic Biology, p. 34-35
  • Lazdiņš A., Kalēja S., Zimelis A. 2014. Factors affecting productivity and cost of solid biofuel in mechanized forest ditch cleaning. In: Proceedings of 20th International Scientific Conference "Research for Rural Development 2014". Jelgava: LUA, Vol. 2, p. 90-96
  • Lazdiņš A., Lazdāns V., Kalēja S., Zimelis A., Prindulis U., Kļaviņa D., Rozītis G. 2014. Celmu biokurināmā resursu un to pieejamības apskats egļu audzēs valsts mežos. Mežzinātne, 28, 166-179
  • Prindulis U., Lazdiņš A., Kalēja S. 2014. Distance between strip roads and damages of remaining trees in deciduoud stands thinned with Rottne H8 and John Deere 1070 harvesters. In: Book of Abstracts of 9th Baltic Theriological Conference: Forest ecosystems and its management: towards understanding the complexity. Salaspils: LSFRI Silava, DU Institute of Systematic Biology, p. 30-31
  • Kalēja S., Grīnfelds A., Lazdiņš A. 2013. Economic value of wood ships prepared from young stand tending. In: Proceedings of the 19th International Scientific Conference "Research for Rural Development 2013". Jelgava: LUA, Vol. 2, p. 66-72
  • Lazdiņš, A., Kalēja S., Gruduls K., Bārdulis A. 2013. Theoretical evaluation of wood for bioenergy resources in pre-commercial thinning in Latvia. In: Proceedings of the 19th International Scientific Conference "Research for Rural Development 2013". Jelgava: LUA, Vol. 2, p. 13-20

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