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Data are given on N, P, K, Ca and Mg content for pioneer, mature and degenerating Calluna vulgaris, young and old Vaccinium myrtillus, Nardus stricta,...
Read moreRock climbing enjoys enormous popularity world-wide. As a consequence, the anthropogenic pressure on the vegetation of formerly undisturbed cliff ecos...
Read moreDownhill skiing, the machine-grading of slopes and the use of artificial snow induce major disturbances to the environment of alpine ski resorts. Our ...
Read moreThis paper discusses the recognition, protection and utilization of the wild relatives of domesticated crops that naturally occur in Arizona (USA), wh...
Read moreA reconstruction of rate of spread, frontal-fire intensity and fuel consumption for the Galatea fire of Aug. 1936 in the Alberta foothills of the Cana...
Read moreThe scrub layer was studied in 11 selected areas of Riding Mountain National Park, Manitoba, which are used as winter range by wapiti (Cervus canadens...
Read moreThe effects of temp. on seed dormancy and germination were studied in 11 populations of tetraploid F. pratensis var. apennina from the Italian Alps an...
Read moreSwards dominated by western wheatgrass (Agropyron smithii) at 2 sites in SE Montana were continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-M...
Read moreA native grassland in SE Montana dominated by Agropyron smithii was continuously fumigated with 2, 4 or 7 p.p.h.m. SO2 from mid-May until Oct. 1975 an...
Read moreFaecal counting techniques were used to census 5 large mammalian herbivore species during 1988-89 in the Parc National des Volcans in Rwanda: Cephalop...
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