International Long Term Ecological Research Network

International Long Term Ecological Research Network
Name	International Long Term Ecological Research Network
Abbreviation	ILTERN
Formation	1993
Type	Research network
Location	Global
Headquarters	Seattle, Washington
Region served	Worldwide
Membership	National and regional LTER networks
Leader title	Director

Contents

International Long Term Ecological Research Network

The International Long Term Ecological Research Network is a global consortium of National Science Foundation-aligned and nationally supported ecological research programs focused on sustained, site-based studies of ecosystems, biodiversity, climate change, and biogeochemical cycles. It connects long-term ecological sites and programs across continents to support comparative research, synthesis, and policy-relevant science, engaging institutions such as the Smithsonian Institution, University of Washington, Max Planck Society, and national research councils like the National Research Council (United States), the Natural Environment Research Council, and the Consejo Superior de Investigaciones Científicas.

Overview

The network comprises regional and national long-term research programs including the Long Term Ecological Research Network (United States), the European Long-Term Ecosystem Research Network, the Australian Terrestrial Ecosystem Research Network, the Chinese Ecosystem Research Network, the South African Long Term Ecological Research Network, and the Brazilian Long-Term Ecological Research Network, integrating site-based studies from institutions such as the University of California, Berkeley, the University of Cambridge, the CNRS, the Max-Planck-Institut für Limnologie, and the National Institute for Agricultural Research (France). It promotes standardized protocols influenced by organizations like the Group on Earth Observations and frameworks from the Intergovernmental Panel on Climate Change and the Convention on Biological Diversity to enable comparisons across sites governed by agencies such as the United States Geological Survey and the European Commission.

The concept evolved from national initiatives including the Long Term Ecological Research Network (United States), established with National Science Foundation support, and parallel efforts by the International Geosphere-Biosphere Programme, the Global Terrestrial Observing System, and the International Biological Programme. Early international coordination involved partners such as the Station Biologique de Roscoff, the Woods Hole Oceanographic Institution, the Scripps Institution of Oceanography, and the Australian Commonwealth Scientific and Industrial Research Organisation. Milestones include formal network coordination in the 1990s, synthesis workshops held at venues like the Royal Society and the National Academy of Sciences, and collaborative programs with UNESCO, the Food and Agriculture Organization, and the United Nations Environment Programme.

Governance is federated among national and regional nodes with steering committees and working groups drawing representatives from universities such as Harvard University, University of Oxford, Peking University, and research organizations like the Fritz Haber Institute and the Max Planck Institute for Biogeochemistry. Funding sources include national science agencies such as the Deutsche Forschungsgemeinschaft, the Japan Society for the Promotion of Science, the Swedish Research Council, and philanthropic organizations such as the Gordon and Betty Moore Foundation. The network coordinates through secretariats and science committees modeled after advisory bodies like the InterAcademy Council and collaborates with programs such as the LTER Network (US), the eLTER RI, and the ILTER Secretariat.

Priority themes include long-term monitoring of carbon cycle processes at sites linked to Smithsonian Tropical Research Institute, conservation biology studies in collaboration with IUCN, and landscape-scale experiments influenced by the Long-Term Agroecosystem Research (LTAR) Network. Research lines address interactions among climate change drivers emphasized by the IPCC, land-use change trends referenced by the Convention on Biological Diversity, and ecosystem services frameworks developed alongside the Millennium Ecosystem Assessment and the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services. Collaborative projects have involved partners such as NOAA, NASA, European Space Agency, and the World Meteorological Organization.

Data standards draw on protocols from the Ecological Society of America, the Global Biodiversity Information Facility, and the DataONE initiative, adopting metadata schemas compatible with Dublin Core and standards promoted by the Research Data Alliance. The network emphasizes open data policies coordinated with repositories such as the National Center for Ecological Analysis and Synthesis, the British Oceanographic Data Centre, and the PANGAEA data publisher. Interoperability is supported by coordination with the Global Lakes Observing System, the Group on Earth Observations Biodiversity Observation Network, and the World Data System to enable synthesis across datasets curated by institutions like INRAE and the Max Planck Institute for Meteorology.

Major initiatives include coordinated synthesis efforts on forest carbon dynamics at sites affiliated with the Hubbard Brook Experimental Forest, coastal studies involving Lamont–Doherty Earth Observatory and the Woods Hole Oceanographic Institution, tundra and Arctic research connected to the Toolik Field Station and Svalbard Integrated Arctic Earth Observing System (SIOS), and tropical forest investigations at sites linked to the Amazonas Research and Technology Institute and the Smithsonian Tropical Research Institute. The network spans research locations such as the Konza Prairie Biological Station, Coweeta Hydrologic Laboratory, Loch Leven, Monteverde, Yellowstone National Park, and managed landscapes studied through collaborations with the International Rice Research Institute and CIMMYT.

Findings have informed assessments by the Intergovernmental Panel on Climate Change, conservation policies promoted by the Convention on Biological Diversity and Ramsar Convention on Wetlands, and land-use guidelines referenced by the United Nations Framework Convention on Climate Change negotiations. The network’s long-term datasets have underpinned scientific syntheses published by outlets associated with the National Academies Press, influenced restoration projects guided by the Society for Ecological Restoration, and supported decision-making for agencies such as the Environmental Protection Agency (United States), the European Environment Agency, and national ministries including the Ministry of Environment (Japan) and the Ministry of Environment and Climate Change (Canada).

Category:Ecological research