共 17 条
- [1] ARNBORG T, 1964, NORDSVENSKA SKOGSTYP
- [2] BOND G., 1955, ANN BOT, V19, P67
- [3] BURRIS RH, 1974, BIOL NITROGEN FIXATI, V33, P9
- [4] INSITU MEASUREMENT OF NITROGEN-FIXATION AT LOW TEMPERATURES [J]. OIKOS, 1974, 25 (03) : 283 - 287
- [5] EFFECTS OF SO2 ON PHOTOSYNTHESIS AND NITROGEN-FIXATION [J]. PHYSIOLOGIA PLANTARUM, 1975, 34 (02) : 171 - 176
- [7] Kallio P., 1972, REP KEVO SUBARCTIC R, V9, P7
- [8] KALLIO S, 1975, ECOL STUD, V16, P292
- [9] STUDIES ON LICHEN-DOMINATED SYSTEMS .1. WATER RELATIONS OF CALDONIA-ALPESTRIS IN SPRUCE-LICHEN WOODLAND IN NORTHERN ONTARIO [J]. CANADIAN JOURNAL OF BOTANY, 1971, 49 (08): : 1389 - &
- [10] DEPENDENCE OF LEVEL OF NITROGENASE ACTIVITY ON WATER-CONTENT OF THALLUS IN PELTIGERA-CANINA, P-EVANSIANA, P-POLYDACTYLA, AND PELTIGERA-PRAETEXTATA [J]. CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1974, 52 (06): : 1423 - 1427