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Soils in which 4 grasses, 8 broadleaved species and 2 ferns had been grown individually for 16 yr were examined for p-hydroxybenzoic, vanillic, p-coum...

The soil seed bank and seedling recruitment of the weed vegetation were monitored over 9 years at two fixed plots (a shallowly ploughed plot and a dee...

By means of factor analysis of concentrations of Cu and Zn in soil and of Cu, Zn, Fe and Mn in vegetation, the relationships between biogeochemistry, ...

Barley, Sinapis alba and Papaver rhoeas, and then barley, S. alba and Avena fatua were grown in pure stand and in mixtures of 2 and 3 species at diffe...

Macrophyte abundance scores derived from percentage frequencies from permanent transects in four rivers were subjected to DECORANA and TWINSPAN multiv...

In field trials in the UK, different levels of attack by hymenopterous parasitoids occurred in stem-boring larval Diptera (including Oscinella frit) i...

Water-filled ditches are an important ecological feature of lowland Britain. Originally dug to facilitate wetland drainage, ditches often provide refu...

Insecticide usage is steadily increasing, implying an ongoing threat of sublethal exposure for non-target organisms in habitats close to farmland. The...

Soil aggregate stability is an important ecosystem property which deteriorates overtime due to agricultural practices. The cessation of cultivation al...

Variability in plant traits such as nutrients and defences can challenge insect herbivores searching for a host plant. Cultivar mixtures are designed ...