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Commonness and rarity among British butterflies were examined by relating features of biology and ecology to geographical distribution. No single attr...

Two cultivars of barley, one resistant and one susceptible to aphids, were grown in pots in mono- or mixed culture in the laboratory, and either infes...

Over the last century, the loss of around half of the world's wetlands, principally through drainage and conversion to agriculture, has been one of th...

Collembola and Acarina populations in grass/legume pastures that were grazed continuously with sheep at three stocking intensities were sampled at six...

The number, length, angle, azimuth and compass bearing of whorl and interwhorl branches were measured in 1973 and 1976 for a plantation of P. sitchens...

Bottom trawling is the most widespread human activity directly affecting seabed habitats. Assessment and effective management of the effects of bottom...

The viable weed seed content of the surface soil at 78 sites in the upper Belize Valley, British Honduras, averaged 6488 seeds/m2 and included 54 spec...

Life tables are presented for 4 consecutive generations of Psila rosae on carrots in southern England, and are analysed using key factor analysis. Of ...

Rainfall data were collated for years preceding historical outbreaks of Mastomys [Praomys] rats in East Africa in order to test the hypothesis that su...

Foraging by honey bees was studied in 1988 and 1989 in an orchard containing 5 cross-pollinating varieties of almond (Prunus dulcis). Every foraging h...