This geyser at Tokaanu shows how the growth of thermophilic organisms is dependent on temperature. The bright orange and green patches are cyanobacteria living in the splash zone and outflow of the geyser. The orange cyanobacteria grow best in a ring around the geyser, while the green cyanobacteria grow in the much cooler outflow.
Te whakamahi i tēnei tūemi
GNS Science, Extremophile photo collection
Reference:
DCP_0661
Photograph by Duncan Graham
Permission of GNS Science must be obtained before any use of this image.
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