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A simple but general model of density-dependent dispersal in an arthropod population is used to explain the relationship between the density and the s...

Crop diversity management is widely used to increase agricultural productivity and sustainability. Recent studies have demonstrated that maize root ex...

Non-indigenous species (NIS) establishments are a growing concern. Current quantitative methods for NIS risk assessment generally focus on only one sp...

The management of bio-invasions relies upon the development of methods to trace their origin and expansion. Cointroduced parasites, especially monogen...

Most of the world's rivers are affected by dams and weirs. Information on the quantitative and qualitative effects of weirs across biological communit...

Coupled plant-herbivore models, allowing feedback from plant to herbivore populations and vice versa, enable us to predict the impact of biocontrol ag...

The following is based largely on the author's summary. The bionomics of Apion dichroum Bedel in fields of white clover [Trifolium repens] in south-ea...

In June to September 1993 a transhumant flock of sheep on the Schwäbische Alb was examined with respect to which plants and animals are transported on...

Interactions between captive-reared and wild salmonids are frequent because hatcheries annually rear millions of fish for release in conservation prog...

The effects of the presence of a crop on weed growth were compared using Avena fatua, A. ludoviciana and A. sativa as weed indicator species and A. sa...