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Some farming practices, like organic farming, lead to greater numbers of weed plants in crop fields. These fields may give us some insights into any b...

Agricultural intensification has led to the removal of semi-wild, perennial vegetation in agricultural landscapes. However, in short-cycle crops, freq...

From sections cut from stems of 10 P. taeda trees on a moderately deep, well drained sandy loam in Duke Forest, N. Carolina, the annual above-ground v...

Theoretical models suggest that increased vector species participation in pathogen transmission significantly increases the prevalence of vector and h...

The long history of river regulation has resulted in extensively changed ecosystem structures and processes in rivers and their associated environment...

Several European thistle species of the genus Onopordum have become naturalized in Australia and are considered serious pasture weeds, leading to a pr...

According to the range limit hypothesis, the distribution of many temperate species is restricted by a trade-off between their capacity to survive win...

The population of the corncrake (Crex crex) in Britain and Ireland has been declining for more than a century. Corncrakes breed in hay and silage mead...

Samples of aphids and predators were taken from 10 spring barley and winter wheat fields in southern UK between May and September in 1972-77. The guts...

1. Wild predators sometimes kill livestock. In Australia the red fox kills lambs, but there are limited experimental data to demonstrate the effects o...