. The ecology of delta marshes of coastal Louisiana : a community profile . 1915 1925 1936 1946 1965 1975 1985 Figure 4. Louisiana oil and gas production (Costanza and Cleveland 1984). beneficial effect of the Mississippi River water and nutrients on aquatic productivity was generally understood (Gunter 1938; Viosca 1927; Riley 1937). Also during this decade articles devoted specifically to marsh plants were published (Brown 1936; Penfound and Hathaway 1936). These were soon followed by articles that focused on the relation of environmental factors, particularly salinity and inundation, to pla
. The ecology of delta marshes of coastal Louisiana : a community profile . 1915 1925 1936 1946 1965 1975 1985 Figure 4. Louisiana oil and gas production (Costanza and Cleveland 1984). beneficial effect of the Mississippi River water and nutrients on aquatic productivity was generally understood (Gunter 1938; Viosca 1927; Riley 1937). Also during this decade articles devoted specifically to marsh plants were published (Brown 1936; Penfound and Hathaway 1936). These were soon followed by articles that focused on the relation of environmental factors, particularly salinity and inundation, to plant occurrence (Hathaway and Penfound 1936; Penfound and Hathaway 1938; Brown 1944; Walker 1940). Since that time the focus of biotic research has shifted to the processes that control the distribution and abundance of organisms and to analyses of whole communities and ecosystems. While this was a national trend, on the Louisiana coast it was seen in a series of studies funded by the Louisiana Sea Grant program in the early 1970' s. WETLAND EXTENT DEFINITIONS, TYPES, LOCATION, AND Avifauna of Louisiana" in 1900, a classic description. Langlois collected 1,200 plants near Plaquemine in the late 1800's; Riddill, Hale, and Carpenter collaborated between 1839 and 1859 to publish a list of 1,800 names of Louisiana plants, excluding grasses and sedges. Cocks (1907) stated that Langlois' collec- tion was shipped to St. Louis University and that most of the Riddel 1 et al. collection was lost. Cocks incorporated their lists into his own list of the flora of the Gulf Biologic Station at Cameron, Louisiana. This station also published pioneering studies on oysters (Kellogg 1905; Cary 1907) and shrimp (Spaulding 1908) during this period. The 1930's brought a sudden wealth of publications. Noteworthy are a series of bulletins published by the Louisiana Department of Conservation on birds, fur animals and fishes (La. Dept. of Conservation 1931; Gowanloch 1933) that sumnarized the a
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