TY - GEN TY - GEN T1 - Nitrogenase activity in Peltigera aphthosa and Stereocaulon paschale in early spring JF - Reports from the Kevo Subarctic Research Station SP - 12 OP - 15 A1 - Kallio, Sinikka A2 - Alexander, Vera LA - eng YR - 1976 UL - https://kansalliskirjasto.finna.fi/Record/arto.013294270 AB - Summary: No nitrogenase activity was found in Peltigera aphthosa and Stereocaulon paschale under the snow-cower of 7-10 cm in early spring in Finnish Lapland. Diurnal measurements of the nitrogenase activity in snow-free areas, on the other hand, showed low rates down to the incubation temperature of 0°C to -0.5°C. KW - 1970-luku KW - 1970-talet KW - kasvitiede KW - jäkälät KW - nahkajäkälät KW - botanik KW - lavar KW - filtlavar KW - Lappi KW - Lappland KW - pilkkunahkajäkälä KW - tinajäkälä ER -