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Distribution records of the flora within arable field boundaries and the associated crop indicated that most species in field boundaries did not occur...
Read moreThe phytophagous insect communities dwelling in the flower heads of Cirsium acaule and Centaurea scabiosa were studied in mown, sheep-grazed and aband...
Read moreThe dispersion, biomass and population structure of the semi-desert shrub Zygophyllum eurypterum were measured in a 1-ha sample of the Turan Biosphere...
Read moreLife tables for populations of Hylemya (Erioischia) brassicae (Bch.) on cabbage crops in Canada [cf. RAE/A 60, 538] and England [50, p. 286] are analy...
Read moreThe population dynamics of the annual weed Emex australis are described for 3 sites in south-eastern Australia. A graphical test showed a random spati...
Read moreLarge herbivores provide key ecosystem processes, but have experienced massive historical losses and are under intense pressure, leaving current ecosy...
Read moreThe population dynamics of B. globosus were studied at 5 river sites in the Zimbabwe highveld for between 4 and 28 months. Adult snail abundance, recr...
Read moreA statistical model is presented which explores the effects of weed patchiness on crop yield. Input data are a non-linear regression of yield versus w...
Read moreA system of equations was developed to describe the reciprocal effects of stand density and quadratic mean diameter through time, using data from a lo...
Read moreThe survival and regeneration of Stylosanthes humilis cv. Lawson, S. hamata cv. Verano, S. guianensis cv. Endeavour and Macroptilium atropurpureum cv....
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