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During the winter of 1976-77, few pupae of Delia brassicae (Wied.) were removed by predators from either natural or introduced populations of pupae bu...
Read moreThe following is based largely on the author's summary. A study was made in eastern England in 1969-70 on aphidophagous Syrphids and Syrphid predation...
Read moreAnnual 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...
Read moreThe following are virtually the author's summaries of these parts of a series on observations in central England [cf. RAE A 57 7969].
Following the us...
The following are virtually the author's summaries of these parts of a series on observations in central England [cf. RAE A 57 7969].
Some of the chan...
The following is based largely on the authors summary. This paper is the first of a series describing observations on a population of Pieris rapae (L....
Read moreThe following is based almost entirely on the author's summary of this account of investigations in southern England in 1957-58. The numbers of Brevic...
Read moreIn the early 1990s, birch (Betula pubescens) forests in north-western Norway were damaged by the bud- and shoot-mining larvae of Argyresthia retinella...
Read moreShrub encroachment poses a significant challenge in many grassland ecosystems, particularly where disturbances such as heavy livestock grazing and unc...
Read moreTwo upland second-growth Quercus alba sites in the Land Between The Lakes National Recreation Area in Kentucky and Tennessee were prescribed burned du...
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