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The technique seemed a promising alternative to dynamic or static chamber techniques in a cooperative study of CO2 exchange above and below a fully-le...
Read moreEstimates for Fargesia spathacea, Sinarundinaria fangiana and F. scabrida, respectively, were: av. above-ground biomass 23.7, 7.4, 9.3 t/ha; av. net a...
Read moreData are presented from 270 increment cores from 13 stands in North Zealand, Denmark, aged 20-68 yr. Relative sapwood increment at b.h. is proposed as...
Read moreIncrement core samples at b.h. were taken from 15 trees in each of 7 stands (aged 22-68 yr) in North Zealand, Denmark, in Oct.-Nov. 1984. Radial incre...
Read moreSample size estimates for monitoring population densities of Tetranychus urticae and Panonychus ulmi in apple orchards in South Africa were derived fr...
Read moreInsect visits and hand-tripping significantly increased the number of pods over that from unvisited flowers. The results indicated that if sufficient ...
Read moreThe contents of pollen traps on two hives in Midlothian, Scotland, were analysed for 3 seasons, and in the 4th season the study was extended to 4 hive...
Read moreA study in April 1986 of sowing method (broadcast or buried), sowing density (8, 4, 0.8 seeds/m2) and granivory (using rodent exclosures) in an area o...
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 moreDuring the past three decades, conservation and restoration biologists have increasingly recognized that ecological communities are likely to exhibit ...
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