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Heart Lake Geyser Basin CLICK ON MAP FOR DETAILS OF EACH AREA or scroll down.
Elevated CO2 extends ~ 3 ft from vent. Concentrations fluctuated between 440 - 580 ppm. Plant Species = Dichanthelium, Pseudognaphalium, grasses without flowers. Soil Temperature = 40 C Soil pH = 5.5 - 6.0
AREA 2: CO2 concentrations fluctuate between 500 - 600ppm across the entire hillside Plant Species = Dichanthelium, Racomitrium canescens. Soil temperature: 45 - 55 C pH = 4.0
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