Academic literature on the topic 'Fossil assemblages'

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Dissertations / Theses on the topic "Fossil assemblages"

1

Perry, David William. "The analysis of sub-fossil insect assemblages : a numerical approach." Thesis, University of Birmingham, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.509342.

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The application of numerical techniques within palaeoentomology has been sporadic and of a largely simplistic nature. In particular, the assessment of faunal similarity has relied mainly upon subjective value judgements; similarly, the reconstruction of past climates using fossil Coleoptera has been undertaken with only a limited application of numerical methods. This thesis presents a computational approach to these problems. Although the intrinsic properties of palaeoentomological sample units impose limitations on the validity of a statistical analysis of faunal similarity, the use of such
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2

Barbour, Wood Susan L. "Quantitative Ecological and Taphonomic Patterns in Late Cenozoic Mollusk-Dominated Marine Fossil Assemblages." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/27710.

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Applications in paleontological research are far from being limited to taxonomic collection and identification. Nor is such research limited to working solely on fossil data. Actualistic paleontology is the study of modern or recent organisms and processes to better understand those of the past. The bulk of this body of research falls under the category of actualistic paleontology, and examines geochronological methods and error biases in dating biological specimens ranging in age from modern to thousands of years old. Although such methods are arguably not perfect, error rates of ± a few
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Stempien, Jennifer Anne. "Quantitative Studies of Late Neogene Coastal Environments Using Bivalve Subfossil and Fossil Assemblages." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/27377.

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Coastal environments are important in many ways: they provide food and energy for coastal communities, have a variety of unique biologic habitats, and influence global climate. These environments can change due to either anthropogenic or natural phenomena over a wide range of time scales. However, the often overlooked long-term (centennial to millennial) processes may be hidden behind short-term fluctuations observed today. The need for a reference baseline of coastal habitats provides a new opportunity for paleontology, which is ideally equipped to document the long-term trends and reconstruc
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4

Read, Sarah Louise. "The last glacial holocene transition in Germany : palaeoenvironmental reconstructions based on fossil coleopteran assemblages." Thesis, Royal Holloway, University of London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271129.

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5

Bush, Andrew Milton. "Time-Averaging and Morphology: Variability in Modern Populations and Fossil Assemblages of Mercenaria (Bivalvia)." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/34912.

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The morphologic variability of a fossil assemblage is of interest in many paleontological studies. However, many fossil assemblages are time-averaged; that is, many generations of non-contemporaneous organisms are mixed into the same fossil bed. Assemblages of robust mollusk shells deposited in nearshore marine environments are often time-averaged over 100's to 1000's of years. Mixing many generations of a taxon can increase measured morphologic variability over that of a single generation if morphology is changing during the interval of time-averaging. If morphology is changing, time-aver
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Prather, Colleen Margaret. "Recent and fossil diatom assemblages from lakes in central and northern Alberta, ecological and palaeoecological inferences." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0019/NQ46905.pdf.

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7

Witmer, Roger J. "Tertiary dinoflagellate, acritarch, and chlorophyte assemblages from the Oak Grove Core, Virginia Coastal Plain." Diss., Virginia Polytechnic Institute and State University, 1987. http://hdl.handle.net/10919/54756.

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Diverse, well preserved organic-walled phytoplankton assemblages were recovered from the Tertiary section of the Oak Grove core drilled on the Virginia Coastal Plain. Strata penetrated include the Aquia, Marlboro Clay, and Nanjemoy Formations (Paleocene to Eocene) of the Pamunkey Group and the Calvert and Choptank Formations (Miocene) of the Chesapeake Group. The assemblages are composed of 176 dinoflagellate species and subspecies (82 genera), of which 20 species and subspecies and one combination are new; five acritarch species (two genera) and five chlorophyte species (three genera) are als
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8

Bennington, J. Bret. "Community persistence and the pattern of community variability over time : a test using fossil assemblages from four marine transgressions in the Breathitt Formation (Middle Pennsylvanian) of Eastern Kentucky /." Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-10052007-143840/.

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9

Naing, Thann. "Palaeoenvironmental studies of the Middle Triassic uppermost Narrabeen Group, Sydney Basin palaeoecological constraints with particular emphasis on trace fossil assemblages /." Phd thesis, Australia : Macquarie University, 1991. http://hdl.handle.net/1959.14/71228.

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"1990".<br>Thesis (PhD)--Macquarie University, School of Earth Sciences, 1991.<br>Bibliography: p. 596-630.<br>PART 1. INTRODUCTION AND METHODOLOGY -- General introduction -- Methodology -- Classification of ichnofacies and lithofacies as used in the present study -- Definition of trace fossil zones (intervals, subintervals and levels) -- General classification of the palaeoenvironments and summary overview of the stratigraphic and geographic distribution of palaeoenvironments in the study area -- PART 2. SYSTEMATIC ICHNOTAXONOMY -- Large dwelling-burrows -- U-shaped burrows -- Vertical cylind
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10

Riedinger, Melanie A. "The application of fossil diatom assemblages in reconstructing mid to late Holocene climate in the neotropics : the paleolimnology of Huarmicocha and Lake Ayauchi, Ecuador /." The Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487842372893223.

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