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FWS/OBS-77 /03. COASTAL MARSH PRODUCTIVITY: A BIBLIOGRAPHY. Gulf South Research Institute. 1977. 315 pp. The bibliography consists of 401 references with abstracts covering the productivity of U.S. coastal marshes. Included are sections on the marsh environment, primary productivity of marsh plants, detritus in the food chain, marsh estuaries as fish havens, and the marsh as a habitat and feedi ng ground. FWS/OBS-77/04. ENERGY, PUBLIC CHOICES AND ENVIRONMENTAL DATA NEEDS. Frank M. Graves. 1977. 61 pp. This publication outlines the decisionmaking process of several Federal and State agencies relative to energy developments and fish and wildlife resources in coal and oil shale areas of the West. FWS/OBS-77/0S. GUIDE TO lAND COVER AND USE CLASSIFICATION SYSTEMS EMPLOYED BY WESTERN GOVERNMENTAL AGENCIES. Scott l. Ellis. 1977. 184 pp. This publication surveys 75 systems presently in use by Federal and State agencies in 16 western States and 2 provinces of Canada. The focus is on systems classifying wildlife, land use, and terrestrial vegetation. FWS/OBS-77/06. WINTER WATER AVAILABILITY AND USE CONFLICTS AS RELATED TO FISH AND WILDLIFE IN ARCTIC ALASKA: A SYNTHESIS OF INFORMATION. William J. Wilson, Eugene H. Buck, Garry F. Player, and linda Dwight Dreyer. 1977. 221 pp. A consolidation of available information related to fish overwintering, wildlife use of unfrozen water during winter, and winter water conditions. This report describes development activities that require water in winter, summarizes existing regulations and agency responsibilities governing water use, and assesses current and future winter water conflicts between man and fish or wildlife. FWS/OBS-77/07. NESTING COLONIES OF SEABIRDS AND WADING BIRDS: COASTAL lOUISIANA, MISSISSIPPI, AND ALABAMA. John W. Portnoy. 1977. 126 pp. Nesting colonies along the northern Gulf of Mexico were studied to estimate abundance by species at each colony and to document nesting chrono logy for each speci es. Thi s i nformat i on can be used as a bi ot i c indicator of the stability of the coastal ecosystem. FWS/OBS-77 /08. HERONS AND THEIR ALLIES: ATLAS OF ATLANTIC COAST COLONIES, 1975 and 1976. R. G. Osborn and T. W. Custer. 1978. 211 pp. Data are presented on 291 heron colon i es along the At 1 ant i c Coast from Maine to Florida in 1976 and 1976. Also included are regional and individual maps of colonies, nesting population estimates, and breeding activities by species, and information about the geography, habitats, and human use of each area. These data are from the fi rst comprehensi ve survey of heron colonies along the Atlantic Coast, and may be valuable in assessing ecological changes in the coastal zones. 12