Comparative study of the effects of temperature on net photosynthesis and respiration in lichens from the antarctic and subalpine zones in Japan

  • Yoshio Ino


Photosynthetic activity and dark respiration were measured in some species of lichens,Umbilicaria, Cladonia, Stereocaulon, Usnea, etc. sampled in the Antarctic and subalpine zones of central and northern Japan. On the basis of the responses of their activities to thallus temperature, the response patterns were divived into three groups, and further, each group was subdvided into some adaptation types for net photosynthesis and repiration. Lichens collected in the Antarctic were adapted to cool condition and some species collected in subalpine zones were adapted to warm condition. For exmaple, the optimal temperatures for net photosynthetic rates in Antarctic lichens were lower than 5 C and those in lichens which lived on rock surface at a southern slope in mountains of Japan were higher than 20 C.

Key words

Antarctica Lichen Photosynthesis Respiration Subalpine zone Temperature adaptation 


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Copyright information

© The Botanical Society of Japan 1985

Authors and Affiliations

  • Yoshio Ino
    • 1
  1. 1.Department of Biology, School of EducationWaseda UniversityTokyo

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