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Three major determinants of bees' nectar foraging patterns are the maximum depth at which nectar is accessible (dependent on bee tongue length); the m...

Measurements of web cover, aphid availability and aphid capture were made in fields of winter wheat in West Sussex and East Anglia, England, in 1981 a...

A new field technique to estimate photosynthesis is described. It relies on describing direct and diffused light fluxes within the canopy, and photosy...

Rates of decomposition were measured in roadside soils of high and low metal concentration in SW London, UK, to determine whether metal contamination ...

Buffelgrass (Cenchrus ciliaris syn. Pennisetum ciliare) was introduced to Sonoran Desert in the early 20th century and has become widespread at low el...

Trimmed tillers, excised roots and excised laminae of tall fescue were subjected to various temp. down to -12 deg C for various exposure times and at ...

Describes a method of evaluating profile measurements above a vegetation cover in order to calculate its energy balance. The equations given by the ae...

The technique seemed a promising alternative to dynamic or static chamber techniques in a cooperative study of CO₂ exchange above and below a fully-le...

An electronic instrument is described and measurements given for Castanea sativa coppice at five sites in Sussex, UK, covering the first to tenth seas...

Data are presented from 270 increment cores from 13 stands in North Zealand, Denmark, aged 20-68 yr. Relative sapwood increment at b.h. is proposed as...