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EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
16
FIELD SURVEY
IN SITU/LABORATORY INSTRUMENTS > TEMPERATURE/HUMIDITY SENSORS > THERMOMETERS > THERMOMETERS
6
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
4
biota
3
climatologyMeteorologyAtmosphere
3
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
2
IN SITU/LABORATORY INSTRUMENTS > CHEMICAL METERS/ANALYZERS > LICOR GAS EXCHANGE SYSTEM
2
environment
2
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