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The results of a survey carried out in Britain in 1987 and 1988 are recorded. Participants, mainly children, recorded the first visit for each bumble ...
Read moreAn equation is given which gives valid estimates of wind profiles in crops of maize and Vicia faba where foliage distribution is reasonably uniform. R...
Read moreDescribes the theory, construction and calibration of a new type of diffusion porometer in which the leaf is placed inside the porometer chamber; it i...
Read moreThe production of current season growth by Coleogyne ramosissima was determined by length measurement in Sept. when the twigs were dormant. Percentage...
Read moreIntraspecific variation in susceptibility to simazine was examined in 46 different populations of Senecio vulgaris collected from various fruit growin...
Read moreParameter uncertainty challenges the use of matrix models because it violates key assumptions underlying elasticity analyses. We have developed a matr...
Read moreThe numbers of honey and solitary bees visiting 5 varieties of apple growing in the same orchard were correlated with the abundance of their flowers. ...
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 moreCriteria for selecting sites are described and the various sampling, rearing and identification techniques used to investigate field populations of Si...
Read morePruning by burning improved lowbush blueberry performance mainly through the nutrients in the ash. Pruning by mechanical clipping did not increase dry...
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