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Green alder shrubs Alnus viridis increasingly overgrow European mountain pastures but hinder natural forest succession. This nitrogen-fixing, autochth...
Read moreA comparison of the vegetation and soil was made around 2 boreholes, differing in cattle density and exploitation period, in the dry savanna of E. Bot...
Read moreRivers in Northern Nigeria flowing north-eastwards into Lake Chad traverse, as they pass through the Sudan Savannah zone, wide seasonal flood-plains t...
Read moreWe report on a long-term evaluation of biological control of an invasive cactus, Opuntia stricta, in the Kruger National Park, South Africa. By formin...
Read moreBird collisions along 135 km of deer fences were monitored for 1 yr (April/May 1992 to April/May 1993) at 27 sites in the Scottish Highlands. The majo...
Read moreBottomland hardwood forests have suffered tremendous losses in the United States. Yet they support some of the densest breeding populations of imperil...
Read moreUnderstanding factors causing the low breeding success of capercaillies Tetrao urogallus is important for the conservation of this species. Here we in...
Read moreEvaluation of the success of biological control agents is essential to improve the efficiency and safety of future programmes. This study assessed the...
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