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"Red snow" refers to red-colored snow, caused by bloom of cold-adapted phototrophs, so-called snow algae. The red snow found in Langhovde, Antarctica, was investigated from several viewpoints. Various sizes of rounded red cells were observed in the red snow samples under microscopy. Pigment analysis demonstrated accumulation of astaxanthin in the red snow.(More)
The carbon/nutrient balance hypothesis (CNBH) attempts to explain the mechanism of induced changes in plant properties. The responses of the Japanese larch (Larix kaempferi) to defoliation by the larch sawfly (Pristiphora erichsonii) were examined from the perspective of the CNBH. This study was conducted in seven Japanese larch plantations in central(More)
Relationships between environmental factors and bacterial communities were investigated in 41 freshwater lakes located in mountainous regions of eastern Japan. Bacterioplankton community composition (BCC) was determined by polymerase chain reaction-denaturing gradient gel electrophoresis of the 16S rRNA gene and then evaluated on the basis of(More)
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