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In field trials in the UK, different levels of attack by hymenopterous parasitoids occurred in stem-boring larval Diptera (including Oscinella frit) i...
Read moreOn each of two sites in western Texas, 240 Juniperus pinchotii plants were harvested. The competitive influence of herbs and shrubs associated with ea...
Read moreAbandoned cutover peatlands are persistent sources of atmospheric CO2. Net ecosystem CO2 exchange and Sphagnum net primary production of an abandoned ...
Read moreIn field studies conducted in Africa between July 1991 and November 1992, Acacia tortilis, A. nilotica and A. mellifera seeds on the ground suffered g...
Read moreDesigns are described for sensors, integrators and a readout device which together measure temp. (or day-degrees) and photosynthetically active radiat...
Read morePhotosynthetic rates of C. gayana communities were calculated using mathematical models relating the photosynthetic contribution of the leaves to dire...
Read moreA description is given of apparatus used for measuring photosynthesis and respiration in C. vulgaris under controlled conditions of light intensity, r...
Read moreThe system of Ellenberg indicator species is widely accepted and used to characterize climate, light and soil conditions in central Europe and beyond....
Read moreForest restoration projects can derive great benefit from integrating climate modeling, functional trait analysis and genetic considerations in the se...
Read moreThis report provides an update on the use of thermal imaging technology for nighttime deer culling in Scotland, comparing it with traditional methods ...
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