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EARTH SCIENCE > BIOSPHERE > TERRESTRIAL ECOSYSTEMS > ALPINE/TUNDRA
biota
GRID
11
FIELD SURVEY
10
MONTHLY TO ANNUAL
10
250 METERS TO 500 METERS
5
500 METERS TO 1 KILOMETER
4
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL TEMPERATURE PROBE
4
30 METERS TO 100 METERS
3
ANNUAL
3
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > PHOTON/OPTICAL DETECTORS > CAMERAS > CAMERAS
3
EARTH REMOTE SENSING INSTRUMENTS > PASSIVE REMOTE SENSING > SPECTROMETERS/RADIOMETERS > SPECTROMETERS > SPECTROMETERS
3
IN SITU/LABORATORY INSTRUMENTS > PROBES > SOIL MOISTURE PROBE
3
KITE
3
TRANSECT
2
1 KILOMETER
1
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