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CO2 exchange rates of relatively undisturbed sods of Bouteloua gracilis (C4) and Agropyron smithii (C3) were investigated at 210, 780 and 1070 W/m2 vi...Read more
A description is given of apparatus used for measuring photosynthesis and respiration in C. vulgaris under controlled conditions of light intensity, r...Read more
Carabids and other epigeal arthropods make important contributions to biodiversity, food webs and biocontrol of invertebrate pests and weeds. Pitfall ...Read more
Increasing sea temperatures are predicted to decrease body size of marine ectotherms based on the temperature size rule. This will impact fisheries yi...Read more
Eight populations covering the climatic range from Morocco and Israel to northern Italy and northern Greece differed little in germination characteris...Read more
Rates of leaf growth and tiller production were compared in plants of tall fescue cv. S170 grown continuously at (a) alternating 20/10 deg C, (b) alte...Read more
In the work described in this second part [cf. preceding abstract], first-instar larvae of Sericesthis nigrolineata (Boisd.) were exposed, for various...Read more
Under isothermal conditions the decrease in air pressure with elevation enhanced potential transpiration by increasing the leaf to air water vapour gr...Read more
The following is substantially the authors' summary. To provide means of predicting with precision the duration of the puparial stage of Glossina mors...Read more