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In field tests with fenuron pellets, Commiphora spp. and broad.leaved shrubs (Maytenus putter. lickioides, Premna oligotricha and Tarchonanthus campho...
Read more1. Abnormal hydroclimatic years in the Amazon have been increasingly frequent in the last two decades, creating more prolonged droughts and severe flo...
Read moreTwo different vegetation communities, Acacia mellifera bushland and associated grassland in a drier, more northerly zone, and A. seyall Balanites aegy...
Read moreDespite ongoing concerns and controversy over a putative 'global pollination crisis' there is little information on the response of bees, the most imp...
Read moreSix methods were used in attempts to estimate the numbers and age structure of populations of Glossina morsitans Westw. and G. pallidipes Aust. in the...
Read moreIn further work [cf. F.A. 27 No. 106], the annual cycle of water movement has been studied over five growing seasons in adjacent semi-mature stands of...
Read moreIn studies in a 60- to 90-year-old stand on dry sandy soil in western Finland, Scots pine (Pinus sylvestris) trees that had been defoliated by the pin...
Read moreDespite population pressure and the urgent need for dairy production to be doubled by 2050, there is still a significant deficit in milk production in...
Read moreAt coastal sites adjacent to the Hudson Bay lowlands, intensive foraging by increasing numbers of lesser snow geese Anser caerulescens caerulescens ha...
Read moreIn experiments begun in 1958 in Baringo District Kenya, the Holt IXa bush control machine was used ± grass sowing and subsequent burning in a grazing ...
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