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Stem flow production by a 15-yr-old Douglas fir tree was measured in the field, using artificial precipitation of 0.41-0.77 cm/hr, monitored at four p...
Read moreThe incidence of bovine tuberculosis (TB) in British cattle has risen markedly over the last two decades. Failure to control the disease in cattle has...
Read moreExperiments were conducted in field cages in Queensland to assess the effects of adults and larvae of the curculionid Cyrtobagous salviniae on Salvini...
Read moreIn a field experiment in central Sweden, shoots of 20-year-old Scots pine (Pinus sylvestris) were hand-pruned in 2 series, 1 with non-fertilized trees...
Read moreSeedlings and young trees of Pinus sylvestris were grown in outdoor fumigation chambers at 5 and 150 mu g SO2/m3 (approx.). The higher SO2 concn. redu...
Read moreWoodland ectomycorrhizal (ECM) fungal species declined considerably in the Netherlands in the late 20th century, mainly due to raised levels of atmosp...
Read moreSamples taken at Cedar Creek, Minnesota, showed that the above-ground parts of cattail [Typha angustifolia] and maize ecosystems contained much the sa...
Read moreA survey was conducted to determine the distribution and population size estimates of beavers (Castor fiber) along the Rivers Exe and Taw, UK, in Febr...
Read moreA 'simulator' is described, which integrates measurements of light intensity within a forest canopy in order to estimate the total amount of CO2 fixed...
Read moreA new field technique to estimate photosynthesis is described. It relies on describing direct and diffused light fluxes within the canopy, and photosy...
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