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Doctoral Theses Submitted for Defence

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Information about Doctoral Theses and summaries of Doctoral Theses see in the database:

Theses Presented at the LLU


Baiba Jansone (ORCID: https://orcid.org/0000-0003-4359-7882)
"Variation of height growth of young pure Norway spruce (Picea abies (L.) H. Karst.) Stands"

The defence of the thesis will be translated online in MS Team https://teams.microsoft.com/l/meetup-join/19%3ameeting_ODQyY2E3NTItMTdhYi00Y2U1LWJmNTMtOTk0NzRhYTkzM2Fl%40thread.v2/0?context=%7b%22Tid%22%3a%22ed57c9c7-f12d-44dd-a76e-397b97bd65d5%22%2c%22Oid%22%3a%22c7efb778-7c90-4036-b043-d2b794aa95c8%22%7d

Scientific supervisors
Dr.silv. Linards Sisenis
Dr.silv. Dagnija Lazdiņa
Dr.silv. Āris Jansons


Laila Dubova (ORCID: https://orcid.org/0000-0003-0977-0207)
"Influence of symbiotic associations on yield formation of beans (Vicia faba L.)"

  • Summary of the Doctoral Thesis for the Scientific Degree (Ph.D.) in Field of Agriculture and Fisheries Sciences, Forest sciencePDF (PDF 1,1 MB)
  • Doctoral Thesis for the Scientific Degree (Ph.D.) in Field of Agriculture and Fisheries Sciences, Forest sciencePDF (PDF 3,6 MB)
    DOI: 10.22616/lluthesis/2020.006

The defense of the Thesis will be held in the open remote session of the Promotion Board of  “Agricultural and Fisheries Sciences, Forest Science” with specialization “Agriculture” on December 29, 2020 at 10.00 on LLU e-study BBB websitehttps://estudijas.llu.lv/mod/bigbluebuttonbn/view.php?id=173119.
Pre- application in the open session of the Promotion board by writing to e-mail: ingrida.augspole@llu.lv until December 23.

Scientific supervisor: Dr.biol. Ina Alsiņa.


Ilze Matisone (ORCID: https://orcid.org/0000-0002-2741-0187)
"Dieback of common ash Fraxinus Excelsior L. in Latvia: species succession and ash regeneration"

  • Summary of the Doctoral Thesis for the doctoral degree Doctor of Science (Ph.D.) in Agriculture, Forestry and FisheriesPDF (PDF 3,4 MB)
  • Doctoral Thesis for the doctoral degree Doctor of Science (Ph.D.) in Agriculture, Forestry and Fisheries PDF (PDF 7,5 MB)
    DOI: 10.22616/lluthesis/2020.008

The public defense of doctoral thesis in open session of the Promotion Council of Forest Sciences and Material Sciences of Latvia University of Life Sciences and Technologies will be held December 29, 2020 at 10:00 am in Salaspils, Rīga Street 111, LSFRI ‘Silava’ library.

The defense of the thesis will be translated onlinehttps://teams.microsoft.com/l/meetup-join/19%3ameeting_ZjliMDhhZjAtMmM5Yy00NzIzLTgyNDEtNGQyZTIxODcwZTI2%40thread.v2/0?context=%7b%22Tid%22%3a%22ed57c9c7-f12d-44dd-a76e-397b97bd65d5%22%2c%22Oid%22%3a%22c7efb778-7c90-4036-b043-d2b794aa95c8%22%7d

Scientific supervisors:
PhD Natālija Burņeviča
Dr. biol. Roberts Matisons
Dr. silv. Tālis Gaitnieks


Oskars Krišāns
"The effect of root rot and bark-stripping on wind stability of Norway spruce (Picea abies (L.) H. Karst.)"

  • Summary of Doctoral Thesis for the doctoral degree Doctor of Science (Ph.D.) in Agriculture, Forestry and FisheriesPDF (PDF 1 MB)
  • Doctoral Thesis for the doctoral degree Doctor of Science (Ph.D.) in Agriculture, Forestry and FisheriesPDF (PDF 20,4 MB)
    DOI: 10.22616/lluthesis/2020.009

The public defense of PhD thesis in open session of the Promotion Council of "Agricultural and fisheries sciences, forestry" with specialization in "Forestry" of Latvia Univesity of Life Sciences and Technologies will be held December 29, 2020 at 12:30 in Salaspils, Rīga
Street 111, Latvian State Forest Research Institute “Silava” library.

The defense of the thesis will be held remotely - https://teams.microsoft.com/l/meetup-join/19%3ameeting_NzZhNWNkMjktNjc0YS00NWMxLWEzOWUtZTU5NDdhMjE4MzM1%40thread.v2/0?context=%7b%22Tid%22%3a%22ed57c9c7-f12d-44dd-a76e-397b97bd65d5%22%2c%22Oid%22%3a%22c7efb778-7c90-4036-b043-d2b794aa95c8%22%7d

Scientific supervisor: Dr.silv. Āris Jansons


Santa Kalēja
"Technological and economic solutions of mechanized forest biofuel production in thinning"

  • Summary of the Doctoral Thesis for the doctoral degree Doctor of Science (Ph. D.) in Agriculture, Forestry and Fisheries  PDF (PDF 1,4 MB)
  • Doctoral Thesis for the doctoral degree Doctor of Science (Ph. D.) in Agriculture, Forestry and Fisheries PDF (PDF 4,3 MB)

The public defense of doctoral theses in open session of the Promotion Council of Agricultural and fisheries sciences, forestry with specialization in forestry of Latvia University of Life Sciences and Technologies will be held December 30, 2020 at 10:00 am in Salaspils, Rīga Street 111, Latvian State Forest Research Institute “Silava” library.

The defense of the thesis will be held remotely - https://teams.microsoft.com/l/meetup-join/19%3ameeting_ZTNhMmQ2ZTgtMjJjYS00MjBhLThiM2ItOWVmNzY5NTRmZGZh%40thread.v2/0?context=%7b%22Tid%22%3a%22ed57c9c7-f12d-44dd-a76e-397b97bd65d5%22%2c%22Oid%22%3a%22c7efb778-7c90-4036-b043-d2b794aa95c8%22%7d

Scientific supervisors:
Dr. silv. Andis Lazdiņš,
Dr. sc. ing. Ziedonis Sarmulis.


Agris Zimelis
"Technology for extraction and transportation of coniferous stumps"

  •  Summary of Doctoral Thesis for the doctoral degree Doctor of Science (Ph.D.) in Agriculture, Forestry and FisheriesPDF (PDF 1 MB)
  • Doctoral Thesis for the doctoral degree Doctor of Science (Ph.D.) in Agriculture, Forestry and Fisheries  PDF (PDF 2,5 MB)
    DOI: 10.22616/lluthesis/2020.010

The public defense of doctoral thesis in open session of the Promotion Council of Forests Sciences and Material Sciences of Latvia University of Life Sciences and Technologies will be held December 30, 2020 at 12:30 am in Salaspils, Rīga Street 111, Latvian State Forest Research Institute “Silava” library.
Information about the process will be available one week before the defense on the website of LSFRI "Silava".

The defense of the thesis will be held remotely - https://teams.microsoft.com/l/meetup-join/19%3ameeting_ZGFhNDc2OGEtMjExOC00MmQwLWFhM2MtMjhiY2JhZTExNzFh%40thread.v2/0?context=%7b%22Tid%22%3a%22ed57c9c7-f12d-44dd-a76e-397b97bd65d5%22%2c%22Oid%22%3a%22c7efb778-7c90-4036-b043-d2b794aa95c8%22%7d

Scientific supervisors:
Dr.sc.ing. Ziedonis Sarmulis
Dr. silv. Andis Lazdiņš