Long term monitoring of near surface soil temperature associated to the individual-based demographic survey of Eryngium alpinum L.

Monitoring of near-surface soil temperature in the Ecrins and Vanoise National Parks. Data are part of an individual-based demographic survey project on Eryngium alpinum L. . Data include a GPS position, a date and time in UTC and a near-surface soil temperature (in °C) measured at 5 cm belowground using stand-alone temperature data logger (iButtons).