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The genetic structure of agricultural plant populations has long been recognized as an important factor in their vulnerability or resistance to diseas...
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 moreMean adult bee populations were 18 000 in late May, 37 000 in early June and 13 000 in late September, while mean brood populations were 15 000 in lat...
Read moreUnderstanding how a population perceives nature and nature's contributions to people is key to designing a society's ecological infrastructure. Narrat...
Read moreObservations were made in southern England in 1970-71 on aphid populations infesting the aerial shoots of spring cereals. Aphids mainly Acyrthosiphon ...
Read moreThe viable weed seed content of the surface soil at 78 sites in the upper Belize Valley, British Honduras, averaged 6488 seeds/m2 and included 54 spec...
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 morePopulation models of host-parasite interactions are extended to include insecticide application acting in a variety of ways on pest hosts and/or their...
Read moreIn order to investigate the effect of insect recolonization on the insecticide-induced resurgence of crop pests, a modified Lotka-Volterra predator-pr...
Read moreEstablishing biological control agents in the field is a major step in any classical biocontrol programme, yet there are few general guidelines to hel...
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