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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 ...

Heather was protected from grazing for 5 years at 2 moors in north-east Scotland, one grazed largely by mountain hares (Lepus timidus) and one grazed ...

Soyabeans were grown in pots at 20, 40, 60, 80 or 100% of field capacity or were allowed to wilt 1-5 times during the growth cycle. Small decreases in...

A heat-labile substance in surface sterilized pieces of Hyparrhenia filipendula roots was toxic to nitrite oxidizers in a soil enrichment culture; it ...

Detailed dietary analysis throughout the year established seasonal changes in the diet selected by Microtus agrestis, Apodemus sylvaticus and Sotex ar...

Riparian forest harvesting impacts streams in many ways, from altering temperature regimes, shifting geomorphic structure, increasing sediment fluxes ...

Downhill skiing, the machine-grading of slopes and the use of artificial snow induce major disturbances to the environment of alpine ski resorts. Our ...

Germination and early seedling growth of Pinus contorta and Picea glauca were examined in distilled water (pH 6.3) (control), eight acidic buffer solu...

In November 1970 the acidity of Calthorpe broad in Norfolk, and some adjacent ditches, changed abruptly from near-neutrality to just above pH 3. Most ...

Shallow lakes are important components of the biosphere, but they are also highly vulnerable to damage from human activities in their catchments, such...