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Monocultures and mixtures of crimson clover and ryegrass (Lolium multiflorum) were grown in filtered air or 0.03 or 0.09 p.p.m. O3 concentrations for ...
Read moreOn plots of oats and barley brown hares grazed much more heavily on the outer rows, alongside the space between the plots, than on inner rows. On barl...
Read moreDuring their spring stop-offs in Lake St. Peter, which averaged 32 days (1974-5), migrating Canada geese (Branta canadensis) flew twice daily to feed ...
Read moreRodent numbers were estimated by trapping (on the ground) in 8 habitat types representing the major land uses in an area where primarily tropical rain...
Read moreThe tritium method was used to measure the transpiration of 20 trees in a rain forest in the Amazon Territory of Venezuela. Transpiration rates ranged...
Read moreSeedlings and young trees of Pinus sylvestris were grown in outdoor fumigation chambers at 5 and 150 mu g SO2/m3 (approx.). The higher SO2 concn. redu...
Read moreThe av. daily deposition velocity of SO2 onto a canopy of pine [Pinus sylvestris/P. nigra var. maritima] in Nottinghamshire, UK, in a dry summer (1975...
Read moreD.b.h., canopy status, stem form, crown form and climber infestation were measured at intervals over a 14-yr period for trees of Khaya ivorensis and S...
Read moreThe populations of Operophtera brumata (L.) on 8 cider apple trees of 4 cultivars were monitored from October 1972 until May 1975 in Western England. ...
Read moreThe value of a temperature integrator was demonstrated when determining the development of the parasite Aphidius matricariae Hal. on the host Myzus pe...
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