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Loss of short-wave radiation by reflection from an irrigated maize crop grown for forage averaged 0.18 of the incident total short-wave radiation rece...
Read moreThe effects of population density and row spacing on the growth and solar radiation interception of sorghum were measured from 1980-81 to 1983-84 in i...
Read moreThe contents of pollen traps on two hives in Midlothian, Scotland, were analysed for 3 seasons, and in the 4th season the study was extended to 4 hive...
Read moreThe 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...
Read moreMean adult bee populations were 18 000 in late May, 37 000 in early June and 13 000 in late September, while mean brood populations were 15 000 in lat...
Read moreThe widespread drainage of wetlands and grazing marshes has been one of the main drivers of severe reductions in the number and range of breeding wade...
Read moreTo estimate the efficiency of foraging strategy, the rates of food intake of adult giraffe in the Serengeti National Park are assessed. Daily energy i...
Read moreThe survival and regeneration of Stylosanthes humilis cv. Lawson, S. hamata cv. Verano, S. guianensis cv. Endeavour and Macroptilium atropurpureum cv....
Read moreWoody thickening or 'bush encroachment' is a growing concern in savannas worldwide, and can reportedly be reversed by applying high-intensity fires. P...
Read moreMany studies have reported honeybee colony losses in human-dominated landscapes. While bee floral food resources have been drastically reduced over pa...
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