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The arthropod faunas of herbicide-treated (mecoprop, bromoxynil and ioxynil) and untreated headland plots of a spring wheat crop were compared in a re...

Laboratory and field experiments were carried out in Ontario, Canada, in 1985-86 on Diabrotica virgifera virgifera. Most males emerged from pupae at t...

A severe outbreak of Mythimna convecta throughout the cereal growing regions of eastern Australia commenced in spring 1983, 6 months after the conclus...

Plants or seeds produced in botanic gardens or nurseries have become an important source of plant material for reintroductions or population reinforce...

Standing deadwood is an important structural component of forest ecosystems. Its occurrence and dynamics influence both carbon fluxes and the availabi...

Many degraded ecosystems need active restoration to conserve biodiversity and re-establish ecosystem function, both highlighted targets of the UN Deca...

Wet and dry bulb temperatures and run of wind were measured over irrigated Gossypium herbaceum cv. BAR XL 1 at various heights and distances from the ...

A citrus orchard at Nelspruit, South Africa, was pruned back to the main branches to stimulate the growth of new shoots, which are highly attractive t...

The patterns of spatial growth of small epicentres of nuclear polyhedrosis virus disease of Gilpinia hercyniae (Htg.) (GHNPV) were studied in spruce f...

Ecosystems experience natural disturbances and anthropogenic impacts that affect biological communities and ecological processes. When natural disturb...