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Articles 31 - 33 of 33
Full-Text Articles in Paleobiology
Paleoenvironmental Reconstruction Of The Late Cretaceous Eastern Gulf Coastal Plain In Georgia And Alabama, Tracy L. Hall
Paleoenvironmental Reconstruction Of The Late Cretaceous Eastern Gulf Coastal Plain In Georgia And Alabama, Tracy L. Hall
Theses and Dissertations
The present study reconstructs the regional paleoenvironment (particularly paleoclimate) of the Late Cretaceous Eastern Gulf Coastal Plain of Georgia and Alabama using paleobotanical, paleoecological and geochemical methods in order to evaluate the Late Cretaceous climate of the Southeastern United States, and to add to the body of paleoclimate data for that time. Paleobotanical analysis indicates a terrestrial mean annual temperature (MAT) of about 27°C during the Late Cretaceous, which is considerably warmer than modern terrestrial MAT. Stable oxygen isotope data from molluscan carbonate indicate mean sea surface temperature (SST) of 26.8 °C for the Santonian, 23.5°C for the early Campanian, …
Environmental And Botanical Controls On Peatification - A Comparative Study Of Two New Zealand Restiad Bogs Using Py-Gc/Ms, Petrography And Fungal Analysis, Tomasz K. Kuder, Michael A. Kruge, J C. Shearer, S L. Miller
Environmental And Botanical Controls On Peatification - A Comparative Study Of Two New Zealand Restiad Bogs Using Py-Gc/Ms, Petrography And Fungal Analysis, Tomasz K. Kuder, Michael A. Kruge, J C. Shearer, S L. Miller
Department of Earth and Environmental Studies Faculty Scholarship and Creative Works
This study shows that chemical properties of two restiad species, Empodisma minus and Sporadanthus traversii, may contribute to their success as peat-formers in a climate of the North Island of New Zealand which is not conducive to raised mire development. Unlike Sphagnum, the equivalent northern hemisphere peat-former, restiads possess lignin in their tissues. In addition, the presence of non-lignin polyphenols (including tannins and phenolic acids) in restiads may be an important factor in peat formation due to the allelopathic decay retardation. Patterns of degradation of plant biopolymers have been examined and the pathway of degradation of monocotyledons (loss …
Some Pleistocene Mammalian Inhabitants Of Minnesota, Clinton R. Stauffer
Some Pleistocene Mammalian Inhabitants Of Minnesota, Clinton R. Stauffer
Journal of the Minnesota Academy of Science
No abstract provided.