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Competition from weeds (Agropyron repens, Stellaria media, Poa annua and others) in the first growing season hastened foliage senescence and reduced b...
Read moreThe buried viable seed content was determined for some leys and permanent pastures. Seeds of Poa annua were abundant under the leys but absent under t...
Read moreBiological soil crusts (biocrusts) occur across most of the world's drylands and are sensitive indicators of dryland degradation. Accounting for shift...
Read moreSoils in which 4 grasses, 8 broadleaved species and 2 ferns had been grown individually for 16 yr were examined for p-hydroxybenzoic, vanillic, p-coum...
Read moreA study in young lodgepole pine forest near Prince George, BC, Canada, from 1979 to 1983 during the late increase, peak and decline phases of the Lepu...
Read moreFarmers' perceptions of the extent of bracken (Pteridium aquilinum) encroachment on upland farms was summarized from a postal questionnaire done in 19...
Read moreThe spatial distribution of Rubia peregrina was analysed and modelled in a vineyard in southern France using a two-dimensional approach. The pattern, ...
Read moreThe summer growth, winter dieback and grazing of shoots and flowers of heather was measured at 2 moors in N.E. Scotland. The main factor determining a...
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 moreA model of the function of open drainage ditches (grips) on peat moorland in northern England is described. The model makes the following predictions:...
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