Co-located with

ACTRIS (3)
AnaEE (6)
Arctic Monitoring and Assessment Programme (AMAP) (1)
COSMOS-UK (9)
Critical Zone Collaborative Network (CZ Net) (49)
CZ-LTER (23)
DANUBIUS (2)
EuroMAB (26)
EUROPARC (6)
European Marine Biology Resource Centre (EMBCR) (1)
European Monitoring and Evaluation Programme (EMEP) (6)
Finnish Marine Research Infrastructure (FINMARI) (1)
FluxNet (2)
Genomic Observatories (GO) (1)
GERI (266)
Global Cryosphere Watch (GCW) (12)
Global Lake Ecological Observatory Network (GLEON) (6)
Global Mountain Biodiversity Assessment (GMBA) (4)
Global Observation Research Initiative in Alpine Environments (GLORIA) (10)
Global Terrestrial Network for Permafrost (GTN-P) (3)
ICOS (31)
ICP Forests (86)
ICP Integrated Monitoring (6)
ILTER (475)
INTERACT (13)
International Soil Moisture Monitoring Network (ISMN) (4)
International Tundra Experiment (ITEX) (1)
Lifewatch (3)
Long-term Forest Ecosystem Research (LWF) (18)
LTER-D (Germany) (27)
LTER Austria (37)
LTER Belgium (30)
(-) LTER Bulgaria (8)
LTER Denmark (3)
LTER Europe (512)
LTER Finland (10)
LTER France (75)
LTER Greece (7)
LTER Hungary (9)
LTER Israel (17)
LTER Italia (Italy) (74)
LTER Latvia (5)
LTER Lithuania (2)
LTER Norway (20)
LTER Poland (16)
LTER Portugal (8)
LTER Romania (11)
LTER Serbia (4)
LTER Slovakia (9)
LTER Slovenia (16)
LTER Spain (8)
LTER Sweden (16)
LTER Switzerland (21)
Netherlands LTER (2)
Organization of Biological Field Stations (OBFS) (1)
OZCAR RI (59)
SCANNET (3)
SNO GLACIOCLIM (14)
SNO Karst (9)
Swedish Infrastructure for Ecosystem Science (SITES) (9)
TERENO (1)
TreeNet (15)
UK ECN (59)
UK Eutrophying and Acidifying atmospheric Pollutants network (UKEAP) (6)
UK Upland Waters Monitoring Network (6)
(-) WMO Global Atmosphere Watch (GAW) (3)
World Glacier Monitoring Service (WGMS) (10)

	Site	Last updated
	Pallas LTER observatory - Finland	2025-12-15
	Srebarna - Bulgaria	2025-09-17
	Hyytiälä SMEAR II LTER - Finland	2025-07-08
	Black Sea - Bulgaria	2025-05-05
	Mesta River - Bulgaria	2025-01-07
	Petrohan-Ponor - Bulgaria	2025-01-07
	Sozopol - Black Sea - Bulgaria	2025-01-07
	Sonnblick Observatory - Austria	2025-01-07
	Belasitsa - Bulgaria	2025-01-07
	Yundola - Bulgaria	2021-11-23
	Livingstone Island - Antarctica	2021-11-23

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