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Seedlings 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 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 moreThis report discusses the assessment of how farm management influences nitrate concentrations in drainage water and its subsequent impact on wetlands ...
Read moreGrowth of an undefoliated stand of Italian ryegrass in the later stages of establishment was studied in detail for 6 months from winter to summer. Num...
Read moreNitrate, ammonium, and phosphate were added to the forest floor of an alluvial swamp at a weekly rate of 1 g of nitrogen or phosphorus per m2 for near...
Read moreA seed drill with 2 adjacent spouts blocked was used to sow winter wheat so that there were rows (a) 18 cm apart, (b) 18 cm from the next row on one s...
Read moreFragmentation of tropical forest is accelerating at the same time that already cleared land reverts to secondary growth. Fragments inexorably lose dee...
Read moreHypericum perforatum, St John's wort, is an invasive weed of natural and agro-ecosystems in south-eastern Australia. In previous work we used a long-t...
Read moreData are presented from plots in pure stands of naturally regenerated P. contorta in SE Wyoming, USA, varying in age (25-117 yr), site index (10.8-22....
Read moreResults are reported from a study of leaf area dynamics in 100 plots in stands of lodgepole pine (Pinus contorta var. latifolia, age range 67-134 yr) ...
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