SOURCES OF MAPPED INFORMATION 



Wetland Habitats 



Cowardin, L. M., V. Carter, F. C. Golet, and E. T. LaRoe. 1979. Classi- 

 fication of wetlands and deepwater habitats of the United States. U.S. 

 Fish Wildl. Serv. Biol. Serv . Program FWS/OBS-79/31 . 103 pp. 



Contains an explanation and description of the categories developed to 

 classify all wetlands in the United States. Contains photographic 

 examples of each category. 



U.S. Department of the Interior, Fish and Wildlife Service. Office of Bio- 

 logical Services. National Wetlands Inventory 7.5' 1:24,000 quadrangles, 

 various dates. 



Wetland areas mapped according to classifications developed in Cowardin 

 et al. 1979. 



Bird Resources 



Gaston, G. R. , and P. G. Johnson. 1977. Nesting success and mortality of 

 nestlings in a coastal Alabama heron-egret colony, 1976. Northeast Gulf 

 Sci. l(l):14-22. 



Holliman, D. C. 1978. Clapper rail ( Ral lus longirostri s ) studies in 

 Alabama. Northeast Gulf Sci. 2(l):24-34. 



The habitat and distribution of the clapper rail Ral lus longirostris 

 saturatus in salt and brackish-mixed marshes of Alabama is described. A" 

 total of 4,490 ha (11,095 acres) of habitat is mapped. Smaller units of 

 vegetation are characterized in selected study areas. A comparison of 

 these plant communities and call count data is shown for each locality. 



Imhof, T. A. 1976. Alabama birds, 2nd ed. The University of Alabama 



Press, Tuscaloosa. 445 pp. 



A description of the habitats, breeding seasons, migration areas, and an 

 official checklist of Alabama birds is given. Includes information on 

 shorebirds, wading birds, diving birds, offshore birds, and migratory 

 waterfowl . 



Johnson, P. G. 1979. Wading birds of coastal Alabama. Pages 225-248 J_n H . 

 A. Loyacano, Jr., and J. P. Smith, eds. Symposium on the natural 



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