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Semi-arid rangelands, comprising more than 40% of the Earth's land surface, provide critical ecosystem services. Worldwide, these ecosystems are exper...

Woody thickening or 'bush encroachment' is a growing concern in savannas worldwide, and can reportedly be reversed by applying high-intensity fires. P...

Grassland management must be based on an understanding of key species' responses to various grazing regimes to achieve both production and conservatio...

A variety indigenous to northern Nigeria yields best in its own locality, the time of flowering coinciding with the end of the rainy season. If the va...

Combining several crop species and associated agricultural practices in a crop sequence has the potential to control weed abundance while promoting we...

Bird collisions with aircraft pose a serious threat to human safety. However, broad-scale patterns in how bird strikes might vary through space and ti...

Competition from weeds (Agropyron repens, Stellaria media, Poa annua and others) in the first growing season hastened foliage senescence and reduced b...

Except in the 2- to 3-month annual dry season, stomatal conductance was principally determined by incident irradiance; it was independent of shoot wat...

Seasonal changes in the photosynthesis of tea were measured with a 14C technique during two years in Malawi. Photosynthesis did not decrease at the be...

The time course of changes in the quantity of Calluna leaves and wood were measured during 1971 and an analysis of the data used to derive the seasona...