A recent article provides the first comprehensive inventory of the world's biological field stations. Its authors report 1,268 stations are operating in 120 countries -- from the tropics to the tundra, monitoring terrestrial, freshwater, and marine ecosystems. Long-term data collected by biological field stations are essential for underpinning environmental research, assessing environmental policies, and advancing conservation goals.

Source: Biological field stations: Keeping a pulse on our planet