The proceedings contain the following papers: the establishment of woody plants on motorways (dunball,ap); the ecological aspects of establishment on roadside verges (bradshaw,ad and roberts,rd); grass fertilization problems and experimentation on highway embankments in france (henensal,p and arnal,g); assessment of the value of vegetation lost or gained through road construction (helliwell,dr); roadside verges and their management (way,jm); general environmental effects of motor vehicles (colwill,dm); deposition of exhaust lead and its impact on plants (little,pe); the response of plants to air movement (grace,j and russell,g); the effects of ethylene on vegetation (davison,aw and wharmby,s); the effects of particulate pollution in combination with gaseous pollution on vegetation (mcainsh,cm and williams,rjh); winter maintenance: practices and policies (driver,ft); new experiences with de-icing salts in west germany (dimitri,l and siebert,h); the implications of the use of de-icing salt for motorway plantings in the uk (thompson,jr, rutter,aj, ridout,ps and glover,m); the effect of oxides of nitrogen on vegetation (mansfield,ta); the effects of photochemical pollutants on vegetation (ashmore,mr, bell,jnb, reily,cl and dalpra,cd); a comparison of the effects of two levels of pollution on shrubs in an urban site (arnal,g); the possibilities of using plants to alleviate the effects of the motor vehicle and of detecting "latent" injury (keller,t); the possibilities of breeding resistance to environmental factors of roadsides (humphries,mo). For individual abstract of paper by colwill,dm, see irrd abstract no 248529.
Abstract