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The impact of invertebrate predators on lucerne aphids (Acyrthosiphon kondoi, Therioaphis trifolii and A. pisum) was studied in the Hunter Valley, New...

Enzyme-linked immunosorbent assay (ELISA) was used to detect aphid consumption by predators collected from 3 fields of winter wheat in the UK. A total...

The selection for particular habitat patches can vary as a function of local and regional levels of anthropogenic disturbance. Although such functiona...

The influence of seed availability, weather and microsite on natural emergence and survival of seedlings was investigated over 38 months in arid shrub...

Red grouse Lagopus lagopus scoticus populations in Britain exhibit cyclic fluctuations in abundance with periodic population crashes. Substantial evid...

Using sugar-beet seedlings as phytometers, NAR, LAI and light intensity were measured at various levels in field-grown spring barley, winter wheat, sp...

While many ecosystems depend on fire to maintain biodiversity, non-native plant invasions can enhance fire intensity, suppressing native species and g...

The grey partridge is a species of conservation concern, in common with many farmland birds. Its widespread decline in western Europe has been attribu...

Changes in the seed bank, seedling emergence and plant density of the most common grass species, and all legume species, were monitored from Oct. 1986...

A 15 year-old Pinus radiata plantation near Sale, Victoria, Australia, was irrigated with waste-water for 3 years. A litter-fall of 400 g m^-2 year^-1 w...