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The factors that maintain the mosaic distribution pattern of dominant ants in cacao plantations in Ghana were investigated in a series of observations...
Read moreThe distribution of ants in a Ghana cacao plantation [cf. preceding abstract] was investigated in order to gain information for an integrated control ...
Read moreCertain species of dominant ants were selectively eliminated from different subplots in order to elucidate the influence of ants and other factors on ...
Read moreAs part of a wider study on the ecology of cereal crops, preliminary studies were carried out in Britain on the nocturnal activity and vertical distri...
Read moreResidues of DDE in kestrel eggs collected near Ithaca, New York, averaged 35, 42, 33 and 37 p.p.m. in 1969, 1970, 1971 and 1972, respectively. Based o...
Read morePitfall trapping in sugar-beet crops in East Anglia in 1970 and 1971 showed that Carabidae were much more active and abundant than other epigeic preda...
Read moreAcacia nilotica is a spinescent woody legume that has become highly invasive in several parts of the world, including Australia where it has been decl...
Read moreThe effects of increased nutrient and organic loading on a community dominated by submersed macrophytes and gastropods were investigated in a drainage...
Read moreThe numbers of dead and live Sitobion avenae falling to the ground in a wheat crop in 1988-89 in the UK were estimated. The estimates showed that more...
Read moreHerbivorous insect communities were studied on oak (Quercus petraea) trees in pure stands of oak or in mixtures with alder (Alnus glutinosa), pine (Pi...
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