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Articles 4171 - 4173 of 4173
Full-Text Articles in Entire DC Network
Reproductive Variability In Lytechinus Variegatus (Echinodermata: Echinoidea) From Different Habitats In A Florida West Coast Estuary, Robert G. Ernest
Reproductive Variability In Lytechinus Variegatus (Echinodermata: Echinoidea) From Different Habitats In A Florida West Coast Estuary, Robert G. Ernest
USF Tampa Graduate Theses and Dissertations
Lytechinus variegatus (Lamarck, 1916) is a sea urchin inhabiting shallow sub-littoral environments from Beaufort, North Carolina to southern Brazil. Although it has been collected extensively for embryological material in the southeastern United States (Harvey, 1956; Brookbank, 1968). there have been relatively few studies of its reproduction. Gonad indices were used to follow its annual reproductive cycle at Bermuda and Miami (Moore et al., 1963; Moore and Lopez, 1972), while elsewhere, only observations of spawn- ing have been reported (Boolootian, 1966).
In the Anclote estuary near Tarpon Springs, Florida, Lytechinus is the most conspicuous of the macroepibenthic invertebrates, and where requisite …
A Population Study Of The Burrowing Owl Near Tampa, Florida, William D. Courser
A Population Study Of The Burrowing Owl Near Tampa, Florida, William D. Courser
USF Tampa Graduate Theses and Dissertations
No abstract provided.
The Growth And Toxicity Of The Florida Red Tide Organism, Gymnodinium Breve, Marion Tilton Doig Iii
The Growth And Toxicity Of The Florida Red Tide Organism, Gymnodinium Breve, Marion Tilton Doig Iii
USF Tampa Graduate Theses and Dissertations
Mass mortalities of marine organisms in the Gulf of Mexico have been associated with blooms of the unarmored dinoflagellate, Gymnodinium breve. This investigation concerns the factors affecting the growth of G. breve and the properties of a toxin produced by the organism.
A modification of the Flask Test of the Provisional Algal Assay Procedure of the Joint Industry/Government Task Force on Eutrophication was used to determine the response of G. breve to various natural waters and enrichments. The growth-promoting potential of natural waters obtained from areas where outbreaks of G. breve frequently occur was greater than that of waters …