Latvian State Forest Research Institute "Silava" is a member of International Union of Forest Research Organizations (IUFRO) since 1980. In 1995 LFRI "Silava" became a member of the European Forest Institute (EFI).
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 (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) (2011–1015)
- 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)
- 639 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)