MICROCALORIMETRY AND CO_2-EVOLUTION OF SOILS AND LICHENS FROM ANTARCTICA (15th Symposium on Polar Biology)
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Data on microcalorimetry and CO_2-evolution of soil samples and lichens from maritime and continental Antarctic habitats were compared. Values from soil samples showed a strong relationship to the organic matter content. Microbial biomass estimates determined from conversion factors were compared with biomass estimates from epifluorescence microscopy. There are basic differences in the microbial biomass data among individual samples. They can be attributed to different physiological states of the microbial communities and their original habitats. Heat production correlated well with CO_2-evolution. Data were obtained in ranges between 1 and 220 μWg^<-1> d.wt for soils and 240 and 2400 μWg^<-1> d.wt for lichens. These values are discussed with regard to microcalorimetric data from literature.
- 国立極地研究所の論文
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