• Latvian State Forest Research Institute "Silava" is a member of International Union of Forest Research Organizations (IUFRO) since 1980.
  • LSFRI "Silava" represents Latvia and since 1995 is a member of the European Forest Institute (EFI) – the leading European forest research network, in which research institutions from 35 countries conduct joint coordinated research.
  • LSFRI "Silava" actively participates in the forest research activities financed by the Nordic Forest Research SNS, mostly ensuring the exchange of young scientists and information in the following projects: Center for Advanced Research CAR's, Operational Systems of Forests OSCAR, Forest pathology PATHCAR, forest genetics GENCAR.
  • Genetic Resources Center (GRC) of LSFRI "Silava" is a partner of the European Cooperative Program for Plant Genetic Resources ECPGR in the field of plant genetic resources, cooperation with Northern Gene Bank NordGen is underway. The specialists of GRC are members of the European Association for Research on Plant Breeding EUCARPIA.
  • As a form of international cooperation, the publication of forestry journal of the Baltic States Baltic Forestry, should be noted.
  •  LSFRI "Silava" actively uses the support offered by EU funds for science and research: Active EU funded projects.
  • Participation in the COST (European Cooperation in the field of scientific and technical research) programe actions:

    CA20118 Three-dimensional forest ecosystem monitoring and better understanding by terrestrial-based technologies (2021–2025); CA19128 Pan-European Network for Climate Adaptive Forest Restoration and Reforestation (PEN-CAFoRR, 2020–2024); CA18134 Genomic Biodiversity Knowledge for Resilient Ecosystems (2019–2023); CA18135 Fire in the Earth System: Science & Society (2018–2022); CA15206 Payments for Ecosystem Services (Forests for Water) (2016–2020); FP1305 Linking belowground biodiversity and ecosystem function in European forests (BioLink) (2014–2018); FP1403 Non‐native tree species for European forests – experiences, risks and opportunities (NNEXT) (2014–2018); TU1401 Renewable energy and landscape quality (RELY) (2014–2018); FP1206 European mixed forests. Integrating scientific knowledge in sustainable forest management (EuMIXFOR) (2013–2017); FP1301 Forests, their products and services: innovative management and multifunctional utilization of traditional coppice forests – an answer to future ecological, economic and social challenges in the European forestry sector (EuroCoppice) (2013–2017); FP1203 European Non-Wood Forest Products Network (NWFPs) (2013–2017); FP1103 Fraxinus dieback in Europe: elaborating guidelines and strategies for sustainable management (FRAXBACK) (2012–2016); FP1202 Strengthening conservation: a key issue for adaptation of marginal/peripheral populations of forest tree to climate change in Europe (MaP-FGR) (2012–2016); FP1201 Forest land ownership changes in Europe: significance for management and policy (FACESMAP) (2012–2016); FP1102 Determining invasiveness and risk of Dothistroma (DIAROD) (2011–2015); FP0905 Biosafety of forest transgenic trees: improving the scientific basis for safe tree development and implementation of EU policy directives (2010–2014); FP1001 Improving data and information on the potential supply of wood resources: a European approach from multisource national forest inventories (USEWOOD) (2010–2014); FP0804 Forest management decision support systems (FORSYS) (2009–2013); FP0803 Belowground carbon turnover in European forests (2009–2013); FP0902 Development and harmonisation of new operational research and assessment procedures for sustainable forest biomass supply (2009–2013); FP0901 Analytical techniques for biorefineries (2009–2013); FP0903 Climate change and forest mitigation and adaptation in a polluted environment (2009–2013); TD0801 Statistical challenges on the 1000 genome sequences in plants (2009–2013); FP0703 Expected Climate Change and Options for European Silviculture (ECHOES) (2008–2012); FP0801 Established and Emerging Phytophthora: Increasing Threats to Woodland and Forest Ecosystems in Europe (2008–2012); FP0639 Greenhouse gas budget of soils under changing climate and land use (BurnOut) (2006–2010); FP0603 Forest models for research and decision support in sustainable forest management (2006–2011); FP0601 Forest Management and the Water Cycle (FORMAN) (2006–2011); E52 Evaluation of Beech Genetic Resources for Sustainable Forestry (2006–2010); E43 Harmonisation of National Inventories in Europe: Techniques for Common Reporting (2004–2008); E33 Forests for Recreation and Nature Tourism (FORREC) (2002–2008); E25 European network for a long-term forest ecosystem and landscape research programme (2001–2004)