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The population dynamics of B. globosus were studied at 5 river sites in the Zimbabwe highveld for between 4 and 28 months. Adult snail abundance, recr...
Read moreThe appearance and survival of Trifolium repens seedlings from naturally deposited seed were monitored for 3 years under different sheep grazing manag...
Read moreTranspiration rates of Douglas-fir trees (Pseudotsuga menziesii) were measured in the field, using tritiated water (HTO) as a tracer for water. Sites ...
Read moreThe results of the first 4 years of an experiment which has involved frequent applications of ammonium sulfate within a 1-km2 tract of nitrogen-poor d...
Read moreRates of decomposition were measured in roadside soils of high and low metal concentration in SW London, UK, to determine whether metal contamination ...
Read moreThe EU 'Nitrates Directive' (Directive 91/676/EEC) and the WFD (Water Framework Directive 2000/60/EEC) introduced a series of measures designed to red...
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 moreIn two series of experiments, the relative leaf growth rates (RA) and relative growth rates (RW) of seedlings of 8 onion cvs of diverse geographic ori...
Read morePopulation models that are used to predict weed population dynamics or the impact of control measures on weed abundance typically ignore temporal vari...
Read moreBottom trawling is the most widespread human activity directly affecting seabed habitats. Assessment and effective management of the effects of bottom...
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