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In order to predict the optimum weeding period, a realistic estimate is needed of the size, timing and duration of a flush of weed emergence in a crop...

Diurnal movements of heads and leaves of sunflower cv. Hysun 30 were determined from 3-dimensional maps of the organs. Dirunal E.-W. oscillations of t...

Population viability often depends on conserving functional connectivity in fragmented landscapes. For pool-breeding amphibians, population connectivi...

Migratory birds depend on a suite of sites across their annual cycles, making them vulnerable to a wide variety of anthropogenic pressures. Current ar...

To assess the impact of soil cultivation on the horizontal movement of seeds in arable soil, plastic beads and barley or triticale seeds were used as ...

Landscape connectivity operates at a variety of scales, depending on the geography of the area in question and the focal species or ecological process...

Koi herpesvirus can cause serious disease in carp Cyprinus carpio populations globally. Populations of carp exposed to the virus are already widesprea...

Fragmentation of tropical forests is increasing globally, with negative impacts for biodiversity. In Southeast Asia, expansion of oil palm agriculture...

Aircraft collisions with birds span the entire history of human aviation, including fatal collisions during some of the first powered human flights. M...

Migratory waterfowl facilitate long-distance dispersal of zoonotic pathogens and are increasingly recognized as contributing to the geographic spread ...