Mosses, lichens and fungi are an important and complex ecosystem in the forest. Specifically moss grows preferably at high moisture. In studies soil moisture and temperature are measured in the forest soil and the growth of mosses is investigated as a function of these parameters.

The SMT100 of TRUEBNER is perfectly suited for this task. The data of several sensors are recorded by a data logger TrueLog100. Due to the low power consumption continuous measurement periods of several years are feasible without battery replacement.