1 974 
DeFelice, D. R. (1975) Model studies of epiphytic diatoms of upper Florida Bay and 
associated sounds. M.S. Thesis, Duke University. Durham, NC. 193 pp. 
[NO COPY OF PAPER AVAILABLE. ABSTRACT FROM SCHMIDT (1991).] The diatom flora 
of northeastern Florida Bay and adjoining sounds, primarily within the boundaries of 
Everglades National Park, was modeled using factor-vector analysis and species 
diversity indices. Of the four distinct floras identified, two were epipelic floras 
inhabitating the carbonate mud substratum. One hundred and sixty-two species were 
identified from 30 stations, 34 of which were restricted to the epiphytic habitat and 18 
species were limited to the epipelic habitat. It was found that the epipelic flora was 
significantly more diverse than the epiphytic flora and the diversity of floras of both 
habitats increased away from land areas. Factors affecting the distribution of both 
floral types are hypothesized. 
1 974 
DeFelice, D. R., and G. W. Lynts (1978) Benthic marine diatom associations: upper Florida 
Bay (Florida) and associated sounds. J. PhycoL 14(1 ):25-33. 
Models of the diatom associations found in upper Florida Bay and adjoining sounds have 
been constructed utilizing Q modal factor-vector analysis and ecologic diversity indices 
(Shannon index, number of species, eveness). Four distinct associations were defined 
using Q-mode factor-vector analysis. Two associations were epiphytic, occurring on 
Thalassia testudinum Konig: Association I was characterized by Cocconeis placentula 
(Ehr.); and Association III by Cylindrotheca closterium (Ehr.) Reim & Lewin and 
Cocconeis placentula Ehr. The other two associations were epipelic, occurring on the 
carbonate mud substratum: Association II was characterized by Cyclotella striata 
(Kutz.) Grun., Rhopalodia gibberula (Ehr.) O. Muller and Surirella fastuosa (Ehr.) Kutz.; 
and Association IV by Fragilaria crotonensis Kitton and Cyclotella striata (Kutz.) Grun. 
The majority of the 161 species identified were present in both the epiphytic and 
epipelic assemblages. Only 33 species were restricted to the epiphyton and 18 species 
restricted to the epipelon. The epipelic assemblage was significantly more diverse than 
was the epiphytic assemblage. A general trend of increased diversity away from 
terrestrial environs toward more open areas of water in both the epipelon and 
epiphyton was also found. 
1974 0 
DuBar, J. R. (1974) Summary of the Neogene stratigraphy of southern Florida. 
Post-Miocene Stratigraphy, Central and Southern Atlantic Coastal Plain . R. Q. Oaks and J. 
R. DuBar (eds.). Utah University Press, Logan, UT. 206-65. 
[DATE OF SAMPLING UNKNOWN OR NOT APPLICABLE.] This report summarizes the 
present status of Neogene (post-Oligocene) stratigraphic studies in southern Florida. 
With some exceptions, general accord prevails concerning application of Neogene 
formational terminology; however, there exists little general agreement regarding the 
correlation or ages of formations. Diversity of opinion is partly a by-product of 
inadequate stratigraphic control due to thinness and sparsity of exposures, and to a 
paucity of subsurface data; it is also, in part, a function of differing stratigraphic 
philosophies of the principal investigators. The maximum thickness of Neogene 
formations in southern Florida is measured in tens of feet, and collectively their 
thickness probably does not exceed 600 ft. The formations discussed in this report are: 
(1) Tamiami (upper and lower members), (2) Caloosahatchee, (3) Bermont, (4) Ft. 
Thompson, (5) Anastasia, (6) Miami Limestone, (7) Key Largo Limestone, and (8) Lake 
Flirt. 'Terrace-plain formations’ recognized by various authors are not discussed. With 
the exception of the Lake Flirt, a freshwater deposit, all the formations are 
predominantly of nearshore-marine origin. On the basis of stratigraphic relationships, 
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