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The 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 moreRange condition was assessed in a semiarid 2265 km2 area of Tanzania grazed by cattle, sheep, goats, donkeys and a range of game wildlife. Primary pro...
Read moreChanges in the seed bank, seedling emergence and plant density of the most common grass species, and all legume species, were monitored from Oct. 1986...
Read moreThe beaver (Castor fiber) reintroduction which started in Scotland, UK, in 2008 was studied to understand if and how the reintroduction developed into...
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 moreSeveral genetically modified herbicide-tolerant (GMHT) crops have cleared most of the regulatory hurdles required for commercial growing in the United...
Read moreThe enhancement of biodiversity in meadow grassland, an environmental aim of European agricultural policy, requires definition of appropriate manageme...
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