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The phytophagous insect communities dwelling in the flower heads of Cirsium acaule and Centaurea scabiosa were studied in mown, sheep-grazed and aband...
Read moreU. dioica plants were established in 1970 at 2 sites in E. England in order to study their colonization by insects. Twentyeight species commonly assoc...
Read moreIn pot experiments, the growth of barley seedlings was significantly retarded by the presence of live rhizomes of Agropyron repens near their roots. D...
Read moreIn the laboratory, seeds of Hordeum geniculatum, H. glaucum, H. leporinum, H. marinum and H. murinum showed some innate dormancy which was most eviden...
Read moreThe response to density of the annual Agrostemma githago were investigated over a wide range of densities in pure populations and also in the presence...
Read moreThe vegetation types in 1-m2 permanent quadrats were determined annually in 1975-82 on low and moderate productivity sites of improved or unimproved F...
Read moreAutumn-sown barley in NE Scotland grazed by pink-footed geese (Anser brachyrhynchus) and greylag geese (A. anser) was reduced in height and retarded i...
Read moreGoose (Anser anser and A. brachyrhynchus) grazing on autumn-sown barley was simulated in the field in NE Scotland by removal of 25, 50, 75 or 100% of ...
Read moreWhere competition studies are based on binary mixtures, data can be clearly displayed by plotting the yield per unit area of one component against tha...
Read moreThe control of invasive species has become a widespread management practice, yet information on the community effects of such efforts is very limited,...
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