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Estimates of damage to maize by individual red-winged blackbirds (Agelaius phoeniceus) were derived from energetics and life history information and i...
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 moreThe biocomplexity approach refers to a fully integrated social-ecological systems (SES) simulation that represents bidirectional feedbacks between soc...
Read moreThe following is based largely on the author's summary of this account of laboratory investigations in Kenya [cf. RAE A 54 394]. Dust formulations of ...
Read moreBacillus thuringiensis (Bt) crops kill pest larvae but have led to resistance evolution in several target pests. The high dose-refuge (HDR) strategy a...
Read moreA common prediction based on ecological theory is that natural populations of insect predators will be more abundant and effective in diverse plant as...
Read morePost-dispersal seed predation is an important source of mortality for arable weed populations that can potentially contribute to ecologically based ma...
Read moreSeed predation can cause substantial losses of newly produced weed seeds and can therefore be important in regulating weed densities. The impact on we...
Read moreDuring their spring stop-offs in Lake St. Peter, which averaged 32 days (1974-5), migrating Canada geese (Branta canadensis) flew twice daily to feed ...
Read moreChange in cropping practices is required to address the food security issues in Africa. Yet, testing of the performance of such changes, in particular...
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