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At Rothamsted in southern England from 1973 to 1977, alate cereal aphids (Sitobion avenae (F.), Metopolophium dirhodum (Wlk.), and in some years S. fr...

In a cider-apple orchard near Bristol, England, in late January 1972 (Experiment 1) and December 1972 (Experiment 2), fully grown larvae of Cydia pomo...

Piecemeal changes in land use might have cumulative effects on regional biodiversity. However, this hypothesis is difficult to test experimentally at ...

Corn buntings Miliaria calandra have declined steeply in Britain and north-western Europe since the mid-1970s; changes in farming practice are believe...

Over the past three decades changes in agricultural management have resulted in increased crop and grass production. This intensification has been acc...

Yellowhammers (Emberiza citrinella) began to decline on British lowland farmland in the late 1980s and losses are presently 10% per year. This study e...

1. The introduction of non-native species continues to cause ecological concern globally, but there have been no published reviews of their effects in...

The influence of adults of Coccinella californica Mannh. on the spread of a plant virus (bean yellow mosaic virus) transmitted by Acyrthosiphon pisum ...

Intact profiles of soil from a field in UK that had been direct-drilled for 5 years and from the same soil that had been regularly ploughed were steri...

The serpentine tailings from asbestos mines in southeastern Quebec cover 5.5 km2 and are largely devoid of vegetation. The tailings have a high pH, ve...