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It has previously been hypothesized that low rates of attack by natural enemies may contribute to the invasiveness of exotic plants. We tested this hy...
Read moreStudies were conducted to determine which plant species are commonly dispersed by the following vectors: soil carried on motor vehicles; topsoil; suga...
Read moreThe weed vegetation and seed bank were studied at the initiation (1979) and after the first cycle (1983) of a 4-course crop rotation (oats, clover [Tr...
Read moreIn microplots, forest topsoils from mixed deciduous stands in the Cumberland Mountains of eastern Tennessee were spread over surface minesoils from th...
Read moreField and greenhouse studies showed that maintenance of a few centimeters water depth, compared with complete drawdown from a falling water table, wil...
Read moreIn a study on a peat moor in Somerset (SW England, 51°12′N, 2°49′W) in 1991, assessments were made of the soil seed bank in March, and of the abovegro...
Read moreSimulation and analytical models were developed for gorse Ulex europaeus. The simulation model incorporated spatially local density-dependent competit...
Read moreThe ecology of C. scoparius (broom) was studied between 1993 and 1997 in southern France to investigate how it can become an invasive weed in its nati...
Read moreThe spatial pattern of weed seeds in soil was analysed after harvesting winter barley at a site near Dijon, France, in July 1987. Three hundred sample...
Read moreThere is growing concern about declining species diversity in agroecosystems caused by agricultural intensification at the field and landscape scales....
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