Indexes journal articles in ecology and environmental science. Nearly 700 journals are indexed in full or in part, and the database indexes literature published from 1982 to the present. Coverage includes habitats, food chains, erosion, land reclamation, resource and ecosystems management, modeling, climate, water resources, soil, and pollution.... the observed seasonal pattern of salinity variation in the Rio Grande at the lower end of the valley near El Paso, Texas. ... 5278- D6 Application of continuous watershed modelling to feedlot runoff management and controls. ... runoff control facilities which will meet the requirements of the Federal Water Pollution Control Act Amendments of 1972. ... A user manual is included with program printout, input data requirements, and an example of a 25-year simulation for Belleville, Kansas.