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Studies were made in the Tavetsch Valley in the subalpine region of central Switzerland, of the day-active Lepidoptera faunas in different types of cu...
Read moreResults are compared of measuring radiation penetration coefficients using different types of sensor under clear and overcast conditions within a 20- ...
Read morePollination underlies plant yield, health and reproductive success in agricultural and natural systems worldwide. It is therefore concerning that decl...
Read moreThe integrator consisted of a table-tennis ball containing a solution of photolysable uranyl oxalate. Provided exposure ceased before 70% of the oxala...
Read moreGives results of measurements of the light reflectance of the bark, the type of stem-epiphyte cover, and the lichen flora of samples of trees of Oak (...
Read moreThe following is based largely on the authors' summary. Some of the factors that contribute to changes in the biting rate of L. becquaerti with time (...
Read moreThe construction of an inexpensive helium filled balloon, and its use as a platform for microclimatic observations within the forest canopy are descri...
Read moreThe foliage areas exposed to direct sunlight, or shaded from it by other foliage, can be calculated for any particular foliage-area index given the in...
Read moreA dynamic model of a water-containing and water-conducting system is described, representing a non-growing, transpiring leaf with an attached root in ...
Read moreData are presented for the transmission of photosynthetically active radiation through a Douglas Fir forest canopy, and for the net radiation profile ...
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