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Population models that are used to predict weed population dynamics or the impact of control measures on weed abundance typically ignore temporal vari...
Read moreThe dry-weight increment of A. pseudoplatanus seedlings, initially 60-90 cm. high, was measured by growth analysis. Seedlings were planted out 90 cm. ...
Read moreYoung plants of 5 species were grown in pots for 8-16 days in daylight under shades constructed of 6-mm strips. The shades were fixed or were made to ...
Read moreThe adult life-span and the factors affecting egg production in Pieris rapae (L.) (especially age, temperature and solar radiation) were investigated ...
Read moreDownhill skiing, the machine-grading of slopes and the use of artificial snow induce major disturbances to the environment of alpine ski resorts. Our ...
Read moreThe varieties used were S170 and ecotype AH from 660 m alt. in Algeria. AH expanded more leaf area during winter than did S170, and had a higher leaf-...
Read moreShingle beach vegetation at Sizewell, Suffolk, UK, was extensively damaged by the construction of a power station. The feasibility of restoring the ve...
Read moreThe diurnal variation in leaf stomatal conductance of 3 canopy emergent trees (Hopea ferrea) was measured on 13 days over a 6-wk period (August-Septem...
Read moreA series of trials was established to assess the effects of temporary roadways on heathland vegetation. These temporary roadways were set up on both d...
Read moreIn a field experiment in central Sweden, shoots of 20-year-old Scots pine (Pinus sylvestris) were hand-pruned in 2 series, 1 with non-fertilized trees...
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