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Weed communities sampled at 78 sites on farmland in the upper Belize Valley, British Honduras, showed 148 different weeds present, of which 103 were i...
Read moreThe life cycle of A. sylvestris (which dominates disturbed grasslands on road verges and river dikes) was analysed to examine possible causes of its d...
Read moreRecent advances in our understanding of the advantage of initial size in competition among individual plants (size-asymmetric competition) suggest tha...
Read moreThe breeding of red-winged blackbirds (Agelaius phoeniceus) was used in 4 flood-irrigated hay meadows in Wyoming as a model to study the effects of a ...
Read moreA mechanistic physiological model for the growth of bracken has been developed which describes its yearly cycle in terms of three compartments: frond ...
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 moreThe reasons for choosing a stochastic spatial simulation model of urban fox dispersal are described, and the biological assumptions behind the constru...
Read moreAn experiment was carried out in 1978-86 to study the individual and combined simulated grazing effects on C. pallens tussocks of takahe (Notornis man...
Read moreMaintaining ecosystem processes within patches of remnant vegetation is critical to minimising biodiversity loss in agricultural landscapes. Foundatio...
Read moreField-grown soyabeans were exposed to 3 levels of SO2 to determine the effects of the exposure upon photosynthesis and stomatal resistance. In plots w...
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