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The mean nitrate reductase activity (NRA) of leaf tissue, from various nitrogen environments, was four times greater in Sporobolus pyramidalis than in...

Results from a common garden experiment and from a survey of isozymic variation conducted in southern England during 1987 and 1988, using population s...

Invasive plants are key drivers of global environmental changes leading to the disruption of ecosystems. Many invasive species engage in novel niche c...

Despite a rich history of theoretical and empirical work showing that increasing biodiversity results in higher ecosystem function, this research has ...

Ecological intensification seeks to achieve crop yield increases by intensifying complementary or facilitative interactions between plant species or v...

Interactions between the polyphagous carabid predator Pterostichus melanarius and slugs were investigated from July to September 1992, before and afte...

Though co-occurrence of invasive plant species is common, few studies have compared the community and ecosystem impacts of invaders when they occur al...

An equation for estimating invertebrate predation was tested in laboratory experiments with Sitobion avenae and polyphagous predators (Agonum dorsale,...

A computer model is described which simulates the spread of barley yellow dwarf luteovirus (BYDV) by aphids in winter cereals in SW England. The model...

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...