Part 1 Basic principles: design criteria and practice for constructed wetlands, R.W. Crites; nitrogen transformations in gravel bed hydroponic beds used as a tertiary treatment stage for sewage effluents, J.B. Williams et al. Part 2 Engineering design and hydraulics: flow characteristics of planted soil filters, R. Netter; gravel media filtration as a constructed wetland component for the reduction of suspended solids from maturation pond effluent, D.P. Sapkota and H.J. Bavor. Part 3 Wetland plants: functions of macrophytes in constructed wetlands, H. Brix; growth characteristics of three macrophyte species growing in a natural and constructed wetland system, P.W. Adcock and G.G. Ganf; submerged macrophyte control using plastic blankets, D.R. Carter et al. Part 4 Urban and agricultural runoff: constructed "source" wetland concepts applied to urban landscapes, B. Hopkins and J.R. Argue; constructed wetlands for river water quality improvement, R.H. Kadlec and D.L. Hey. Part 5 Municipal effluent treatment: treatment of nitrogen and phosphorus by a constructed upland-wetland wastewater treatment systems, C.H. House et al; nutrient and heavy metal retention in mangrove sediment receiving wastewater, N.F.Y. Tam and Y.S. Wong; nutrient transformations in a natural wetland receiving sewage effluent and the implications for waste treatment, J.G. Cooke. Part 6 Mining and industrial: using decomposition kinetics to model the removal of mine water pollutants in constructed wetlands, W.J. Tarutis and R.F. Unz; wetland treatment of pulp mill wastewater, J.A. Moore et al; nutrient reduction in an in-series constructed wetland system treating landfill leachate, C.D. Martin and G.A. Moshiri. Part 7 Case studies: Marrakesh wastewater purification experiment using vascular aquatic plants eichhornia crassipes and lemna gibba, L. Mandi; experimental studies for improved nitrification in shallow lagoon systems, P.H. Scott et al. Part 8 System management and performance: inventory of constructed wetlands in the United States, D.S. Brown and S.C. Reed; preservation and management of natural wetlands in the south Australian Murray Valley, A. Jensen et al.