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7 cv. of perennial ryegrass, which originated from countries having contrasting winter climates and with a range of heading dates, were grown in simul...

Experiments were carried out to restore aquatic plant communities to 2 of the phytoplankton dominated Norfolk Broads. Alderfen Broad was isolated by d...

The decline of seeds of a natural population of arable weeds under a grass sward was monitored by germination in the field. Plots of 0.9 m² were dug o...

During the winter of 1976-77, few pupae of Delia brassicae (Wied.) were removed by predators from either natural or introduced populations of pupae bu...

Successful restoration of semi-arid ecosystems remains a challenging problem. Many studies have tried to elucidate the factors that limit seedling est...

Management boundaries are often delimited by political and social factors, whereas animal movements are affected by ecological and geophysical constra...

Intensive agricultural land use negatively impacts biodiversity, including arthropod predator diversity and their pest control potential. Alley-croppi...

In a field study in Scotland, two trees 10 m. high produced small leaves after heavy infestation with aphids during the spring, but the reduction in l...

Placing wind turbines within large migration flyways, such as the North Sea basin, can contribute to the decline of vulnerable migratory bird populati...

Biofuel production has the potential of reducing CO₂ emissions while decreasing global dependence on fossil fuels. However, concerns have been raised ...