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Replicate cores and monoliths bearing intact vegetation were sampled from the acrotelm and surface litter layer of ombrotrophic mires across a gradien...

The pattern of growth and leaching losses from UK wasteland materials (colliery spoil and brick waste) fertilized, topsoiled, or covered with pulveriz...

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

The increased deposition of nitrogen (N) from the atmosphere over the last century has been associated in Europe with changes in species composition, ...

The following is virtually the authors' summary. About 1, 000 kg English wheat was stored, in two equal bulks, in a damp unheated brick building in so...

The weed vegetation and seed bank were studied at the initiation (1979) and after the first cycle (1983) of a 4-course crop rotation (oats, clover [Tr...

Annual determinations were made of the numbers of viable weed seeds in the soil on plots of a 9-year experiment with vegetable crops in which 4 primar...

1. In order to realize the full potential of natural enemies in integrated pest management, it is necessary to understand their population dynamics, p...

1. Functional and numerical responses are key components in the selection of predators for biological control. We examined the relevance of these resp...

Field studies were conducted in New Brunswick, Canada, to evaluate the relationship between larval density of Zeiraphera canadensis and damage to curr...