The agency of organic beings - a selective review of recent work in biomorphology, H.Viles aspect, vegetation cover and erosion on semi-arid hillslopes, M.J.Kirkby, K.Atkinson and J.Lockwood the interaction of vegetational and erosional dynamics in land degradation - spatial outcomes, J.Thornes geomorphic effects of vegetation cover and management - some time and space considerations in prediction of erosion and sediment yield, S.W.Trimble recurrence of debris production under coniferous forest, Cascade foothills, Northwest United States, A.Orme modelling the effect of vegetation on air flow for application to wind control, R.P.C.Morgan the role of simulated vegetation in soil erosion control, R.J.Rickson boundary layer under salt marsh vegetation development in tidal currents, J.Pethick, et al effects of vegetation on river bank erosion and stability, C.R.Thorne the recovery of alluvial streams in response to imposed channel modifications, West Tennessee, U.S.A, A.Simon and C.R.Hupp the effects of land use on nitrogen, phosphorus and suspended sediment delivery to streams in a small catchment in southwest England, L.Heathwaite, et al the hydrological implications of heath vegetation composition and management in the New Forest, Hampshire, A.M.Gurnell, et al impact of agricultural land use changes on soil conditions and drainage, I.Reid, et al vegetation patterns in relation to basin hydrogeomorphology, C.R.Hupp historic vegetation development and alluvial metallophyte plant communities in the Tyne basin, north-east England, UK, M.G.Macklin and R.S.Smith seasonal change in aquatic vegetation and its effects on river channel flow, J.F.Watts and G.D. Watts soil erosion and fire in areas of Mediterranean type vegetation - results from chaparral in southern California, USA and matorral in Andalucia, southern Spain, A.G.Brown the use of vegetation and land use parameters in modelling catchment sediment yields, D.Mitchell vegetation cover density and infiltration patterns On piped alkali sodic soils - implications for modelling of overland flow in semi-arid areas, H.Faulkner response of four different Mediterranean vegetation types to runoff and erosion, M.Sala and A.Calvo runoff hydrographs from three Mediterranean vegetation cover types, C.F.Francis and J.Thornes the influence of lichens on slope processes in some Spanish badlands, R.Alexander and A.Calvo spatial distribution patterns of the morphogenetic processes in a semi-arid region, J.C.Giraldez Hidalgo, et al (part contents)