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Numbers and activities of animals observed on areas of each vegetation type on fixed transects were recorded at 2-h intervals for 24 h twice monthly f...

The effects of attack density of Ips cembrae on the gallery length, eggs and adult offspring production and mortality were studied in 0.1 m² bark samp...

Moorlands dominated by heather Calluna vulgaris are of international conservation importance, but are declining as a result of increased grazing press...

Cacao has been grown on a large scale round Popondetta in the Northern District of Papua New Guinea since 1958. Pest problems were present in the area...

The widespread provision of livestock drinking water in previously dry Australian rangelands has supported concomitant increases in cumulative grazing...

There is growing concern that the intensification of agriculture within southern Ireland is having detrimental effects on Irish fauna through habitat ...

Riparian trees regulate aquatic ecosystem processes, such as inputs of light, organic matter and nutrients, that can be altered dramatically when thes...

Surveys of the weed flora in Danish arable fields were conducted during 1967-70 and 1987-89. Frequencies of 67 common weed species in spring barley, s...

Numerous studies describe thresholds at which transitions between alternate ecosystem states occur but few quantitatively delimit these conditions and...

Evaluation of the success of biological control agents is essential to improve the efficiency and safety of future programmes. This study assessed the...