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Flight phenologies of the migrant aphid Rhopalosiphum padi, as indicated by suction trap catches throughout France in 1978-88, were compared using mul...
Read moreThe 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 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 moreAccurate predictions of the abundance of migrating birds are important to avoid aerial conflicts of birds, for example, with aviation or wind power in...
Read moreIn marine and terrestrial ecosystems, organisms are affected by environmental variations that cause fluctuations in population size. The harvest-inter...
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 moreSuggests that it is possible to calculate the plant or community phytomass from analysis of forestry sample-plot data of Derbholz (above-ground wood &...
Read moreBiodiversity can insure ecosystems against declines in their functioning by increasing the mean level of ecosystem processes and decreasing the spatia...
Read moreWildlife managers require defensible and transparent population estimates to justify species management. Statistical population reconstruction (SPR) i...
Read moreTo evaluate suitable methods for comparing soil fertility across a large number of undrained rich-fen sites the relationships between soil chemical co...
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