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Dissertations / Theses on the topic 'Fossil assemblages'

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Published: 4 June 2021
Last updated: 13 February 2022

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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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3

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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6

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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11

Nakagawa, Ryohei. "The latest Pleistocene-Holocene mammalian fossil assemblages from the Hirao-dai karst area, Kitakyushu, with a verification of practical effect of fluoride aging method." 京都大学 (Kyoto University), 2006. http://hdl.handle.net/2433/144203.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(理学)<br>甲第12120号<br>理博第3014号<br>新制||理||1449(附属図書館)<br>23956<br>UT51-2006-J115<br>京都大学大学院理学研究科地球惑星科学専攻<br>(主査)教授 瀬戸口 烈司, 教授 増田 富士雄, 教授 平島 崇男<br>学位規則第4条第1項該当
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12

Abke, Rodney Alan. "A fossil assemblage of ostracoda, foraminifera, and gastropoda of the West Texas salt flats." Virtual Press, 1994. http://liblink.bsu.edu/uhtbin/catkey/897497.

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The salt flats of west Texas are large ephemeral lakes, Pleistocene to Holocene in age. The evaporite material in these lakes represents the sedimentary history of the lake and the surrounding area. Recently, a fossil assemblage was found in the sediments of this deposit. This assemblage includes four species of ostracoda (Limnocvthere staplini, Candona rawsoni, Candona thomasi, and Cvprideis salbrosa), two species of gastropoda, (Amnicola decepta, and Amnicola pilsbrvi), and discovery is significant because this assemblage has not been previously reported, and it provides an opportunity to re
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13

Shirk, Aubrey Mae. "A novel assemblage of decapod crustacea, from a tithonian coral reef olistolith, Purcã̃reni, Romania systematical arrangement and biogeographical perspective /." [Kent, Ohio] : Kent State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=kent1163901231.

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Thesis (M.S.)--Kent State University, 2006.<br>Title from PDF t.p. (viewed June 21, 2007). Advisor: Rodney M. Feldmann. Keywords: decapoda, crustacea, Jurassic, Romania. Includes bibliographical references (p. 161-181).
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14

Fourvel, Jean-Baptiste. "Hyénidés modernes et fossiles d'Europe et d'Afrique : taphonomie comparée de leurs assemblages osseux." Phd thesis, Université Toulouse le Mirail - Toulouse II, 2012. http://tel.archives-ouvertes.fr/tel-00830276.

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En raison de sa présence récurrente dans les ensembles paléontologiques d'Europe au Pléistocène, l'hyène des cavernes (Crocuta crocuta spelaea GOLDFUSS) est un carnivore particulièrement étudié en taphonomie. Depuis le XIXème siècle, la reconnaissance du rôle joué par les grands prédateurs, et plus particulièrement de l'hyène, dans la formation des assemblages osseux, a permis de dégager les grandes tendances écologiques et évolutives de ces carnivores (habitat en grotte, consommation osseuse, chasse vs. charognage, compétition interspécifique, interaction Homme-Carnivores). L'éthologie de l'h
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15

Doitteau, Gaelle. "De l'organisation du vivant aux assemblages fossiles : comparaison des communautés de bivalves modernes et anciennes." Thesis, Aix-Marseille, 2012. http://www.theses.fr/2012AIXM4747/document.

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La thèse s'intéresse à l'enregistrement des propriétés de la biodiversité dans les archives sédimentaires. Elle s'appuie sur l'analyse d'une faune contemporaine de milieu tropical, collectée dans le Lagon de Touho, Nouvelle-Calédonie lors de l'expédition Montrouzier en 1993. Les différences de diversité entre les assemblages de bivalves vivants et de coquilles mortes d'un même site sont quantifiées à l'aide de plusieurs descripteurs (richesse taxonomique, indice PIE d'eveness, courbes de raréfactions, indices de fidélité) et d'outils de classification (analyses Cluster, NMDS). Les associations
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16

Pegg, Brian Peter. "The taphonomic history of the vertebrate faunal assemblage from British Camp, San Juan Islands, Washington." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ51445.pdf.

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17

Matsuoka, Hiroshige. "The Upper Pleostocene Avian Fossil Assemblage of the Central and Southern Ryukyu Islands, and Its Implication for the Recent Avifauna of the Archipelago." 京都大学 (Kyoto University), 1999. http://hdl.handle.net/2433/181969.

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18

Saulnier-Talbot, Émilie. "Succession lacustre et variations limnologiques holocènes du lac Kachishayoot, Québec nordique, inférées par les assemblages fossiles de diatomées." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ53981.pdf.

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19

Ponader, Karin. "Analyse paléolimnologique d'un lac subarctique à la limite des arbres, Québec nordique, basée sur les assemblages fossiles de diatomées." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ55876.pdf.

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20

Polette, France. "Les assemblages palynologiques continentaux du Crétacé inférieur de France (Tithonien–Cénomanien) : paléoenvironnements, paléoclimats, stratigraphie, et taxonomie." Thesis, Rennes 1, 2019. https://ged.univ-rennes1.fr/nuxeo/site/esupversions/ed9f6338-5f3b-4d5d-a761-b01080a2f913.

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Afin d’améliorer les connaissances, jusqu’alors lacunaires en France, quant à l’évolution des paléoécosystèmes végétaux durant le Crétacé Inférieur, période fondamentale de leur histoire évolutive, il est ici proposé de dresser la première synthèse bibliographique, paléoenvironnementale, paléoclimatique, stratigraphique, et taxonomique des assemblages palynologiques continentaux du Crétacé Inférieur de France. Cette étude s’appuie sur l’analyse des palynoflores provenant de 20 sites français (principalement Charentes, nord du Bassin de Paris, et massifs subalpins), et de quatre sites d’Anglete
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21

Laperrière, Laurence. "Évolution postglaciaire du secteur sud-ouest du Bassin de Foxe, Île de Southampton, inférée par les assemblages fossiles de diatomées." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24316/24316.pdf.

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22

Lin, Jih-Pai. "From a fossil assemblage to a paleoecological community – Time, organisms and environment based on the Kaili Lagerstätte (Cambrian), South China and coeval deposits of exceptional preservation." The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1190519249.

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23

Richerol, Thomas. "Distribution spatiale des assemblages de dinokystes dans les sédiments de surface et évolution des conditions paléocéanographiques récentes dans la fosse du Mackenzie mer de Beaufort (Canada)." Thèse, [Rimouski, Québec] : Université du Québec à Rimouski, 2007.

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Thèse (M. Sc.) -- Université du Québec à Rimouski, 2007.<br>Titre de l'écran-titre (visionné le 25 mars 2008). Mémoire présenté à l'Université du Québec à Rimouski comme exigence partielle du programme de maîtrise ès sciences en océanographie. CaQRU CaQRU Bibliogr.: f. 82-95. Webographie f. 81. Publié aussi en version papier. CaQRU
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24

Perez-Leyton, Miguel Angel. "Analyse des assemblages de palynomorphes du Silurien supérieur et du Dévonien de Bolivie : proposition de mise en place d'une échelle biostratigraphique de référence." Brest, 2007. http://www.theses.fr/2007BRES2052.

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Ce travail est consacré à l'étude des microfossiles (spores, acritarches et chitinozoaires) trouvés dans le Silurien supérieur et le Dévonien du subandin Sud et partie centrale de la Bolivie. Dans l'introduction, on présente l'état des lieux, la problématique et l'objectif de la thèse. La première partie est consacrée à la présentation du contexte géologique du Paléozoïque de la Bolivie. On présente aussi brièvement les formations incriminées, et une desciption des coupes et sondages où le matériel étudié a été prélevé. (125 échantillons provenent de 6 coupes de terrain et 147 échantillons pro
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25

Aubert, Cyril. "Changements environnementaux et climatiques dans l'ouest iranien durant les 15000 dernières années : apport des assemblages fossiles de chironomes (insectes, diptères) des séquences lacustres dans les provinces de Fars (SO Iran) et d'Ardabil (NO Iran)." Thesis, Aix-Marseille, 2019. http://www.theses.fr/2019AIXM0400.

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Plusieurs questions se posent lors des études paléo-environnementales en Asie du sud-ouest : (i) le retard de 4 500 ans de l’expansion postglaciaire de la forêt dans le Zagros, (ii) les changements hydroclimatiques au début de la néolithisation et de la domestication et (iii) le rôle des changements climatiques dans les changements écosystémiques et sociétaux. En raison de la position géographique stratégique de l’Iran, les études paléo environnementales en Iran peuvent aider à répondre à ces questions. Selon nos résultats, les chironomes (insectes - diptères), utilisés comme bioindicateurs pa
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26

Pouille, Lauren. "Paléobiodiversité des Radiolaires du Paléozoique inférieur (Cambrien-Ordovicien) : Aperçu à travers une étude des assemblages à radiolaires provenant des montagnes de l’Altai (Russie), d’Aksuran (Kazakstan), du bassin de Georgina (Australie) et de la Terre Neuve occidentale (Canada)." Thesis, Lille 1, 2012. http://www.theses.fr/2012LIL10152/document.

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Notre compréhension de la structuration des chaînes trophiques pélagiques du Paléozoïque inférieur, mise en place lors des évènements d’« explosion Cambrienne » et de « Grande Biodiversification Ordovicienne » et qui a abouti à la mise en place des écosystèmes marins à « caractère moderne », reste encore très fragmentaire. Nous nous intéressons ici à comprendre les origines et la dynamique de paléobiodiversité des Radiolaires polycystines, composantes biotiques clefs du plancton hétérotrophe, dans le but de mieux comprendre le calendrier et la dynamique de diversification du plancton au cours
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27

Huang, Chao-Jing, and 黃朝景. "Studies on Fossil Diatom Assemblages of the Core from Haolai Hure, Inner Mongolia." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/12566183233124098289.

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碩士<br>國立彰化師範大學<br>生物學系<br>98<br>Abstract The study analyses the records of core HL, adopted in the lake from Haolaihure, Hexigten Banner, Chifeng City, Inner Mongol, to understand paleoenvironment climate changes. The total length is 7.14 m of this drill core and every alternate 4 cm is sampled as a unit of group, there are 123 groups of samples in all. A total of 39 genera and 126 species of diatom assemblages were found from this core, such as Aulacoseira, Amphora, Cyclotella, Cymbella, Fragilaria, and Navicula belong freshwater algae. The results showed that the absolute diatom abundance (A
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28

Chung-Ching, LIAO, and 廖中靖. "Studies on Fossil Diatom Assemblages of the core MD012380 in the Banda Sea." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/83626947130721254768.

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碩士<br>國立彰化師範大學<br>生物學系<br>93<br>Banda Sea located in the West Pacific Warm Pool (WPWP) is a marginal sea in the low latitude of the Southern Hemisphere, and play an important role of heat and moisture sources to the global climatic and oceanic environments on regional and global scales. The piston core MD012380 (5°45.64’S, 126°54.25’E), 3990 cm in length, was retrieved from the central continental shelves of the Banda Sea during IMAGES VII cruise in 2001. The age model was determined by radiocarbon, oxygen isotope and paleomagnetic data and recovered from the last 824 ka to present. In general
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Hsu, Ping, and 徐冰. "Studies on Fossil Diatom Assemblages of the Core SLP-D in the Shuang-Lien-Pi Lake, Taiwan." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/82736694709480975088.

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碩士<br>國立彰化師範大學<br>生物學系<br>94<br>Abstract The Ilan Plain is situated at northeastern Taiwan. The climate was strongly influenced by the East Asian monsoon. In order to investigate the variation characteristics of the system, a lake sediment core named as SLP-D (30.76m)was collected form Shuang- Lien- Pi, at northwest of Ilan Plain (24°45’50’’ N; 121°37’55’’ E). From paleomagnetic analysis, the core was regarded to be able to support the paleoenvironment change information from 16 kyr B.P. to present. The study was in detail about the paleo-climate changes at the area studied, fossil diatom was
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Bonelli, James Rocco Patzkowsky Mark E. "Linking paleobiological patterns across geographic scales an example using upper Mississippian fossil assemblages from the Illinois and Appalachian Basins, USA /." 2008. http://etda.libraries.psu.edu/theses/approved/WorldWideIndex/ETD-3019/index.html.

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Wang, Liang-Chi, and 汪良奇. "Studies on Fossil Diatom Assemblages in the Okhotsk Sea- reconstruct the sea-ice variations and the paleoclimate change during 1.78 Ma." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/89974944217771936454.

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碩士<br>國立彰化師範大學<br>生物學系<br>92<br>Piston core MD012414, 5388 cm in length, was retrieved from the central continental shelves of the Okhotsk Sea during IMAGES VII cruise in 2001. Paleomagnetic result indicates that core MD012414 included the long-term records from 1.78 Ma to present. B-M boundary is an important transition of paleomagnetic polarity reversal occurred in 780 kyr, and the sedimentation rate is higher (3.6 cm/ kyr) from 780 kyr to present. Based on the differences of the diatom abundance pattern, records of this core can be divided into three periods: 1780~1250 kyr BP (Zone III), 1
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陳佩呈. "An assemblage study of fossil diatom from the core MD012394 of the South China Sea." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/93910608210331601727.

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碩士<br>國立彰化師範大學<br>生物學系<br>97<br>Fossil diatoms can be treated as excellent indicator for palaeoclimate and palaeoceanography. In this study, we reconstruct the summer monsoon intensity and paleoproductivity based on fossil diatom abundances, its ecological meaning and its relative abundances changes. The piston core MD012394 is 3904 cm in length, was obtained from the South China Sea off Vietnam shore during IMAGES VII cruise in 2001. The age model was recovered 280,000 year which reconstructed by using radiocarbon and oxygen isotope. The results showed that the absolute diatom abundance (ADA)
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Larson, Derek W. "The occurrences of vertebrate fossils in the Deadhorse Coulee Member of the Milk River Formation and their implications for provincialism and evolution in the Santonian (Late Cretaceous) of North America." Master's thesis, 2010. http://hdl.handle.net/10048/1312.

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The Deadhorse Coulee Member of the Milk River Formation of southern Alberta preserves one of the oldest well-documented non-marine vertebrate assemblages in Canada. In this study, the taxonomic diversity of this member is updated, and vertebrate localities are placed in geographic and stratigraphic context. The stratigraphic provenance of specimens indicates all vertebrate material from this member is latest Santonian (83.5 Ma). A new species of turtle is described. Analyses of the rank and relative abundances of taxa support interpretations of this member as a prograding clastic wedge with lo
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Bashforth, Arden Roy. "Descriptive taxonomy, biostratigraphic correlation and paleoenvironmental reconstruction of an upper carboniferous macrofloral assemblage, Bay St. George Basin, Southwestern Newfoundland /." 1999.

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35

Bountalis, Alexandra Clare. "Cave usage and the implications of multiple taphonomic agents on a faunal assemblage." Thesis, 2013. http://hdl.handle.net/10539/12363.

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The means in which fossil accumulations in the caves of southern Africa have formed is of great importance. One method of accumulation is via the collecting behaviours of a variety of mammalian species. The core of said behaviour is in the use of caves by these species. This project was designed to give insight to the way that animals in the Cradle of Humankind, South Africa are using caves today. The objective of this research is to give a new understanding to the amount that caves are used by various taxa in South African cave systems, with particular regard to taphonomic agents and
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Laperrière, Laurence. "Évolution postglaciaire du secteur sud-ouest du Bassin de Foxe, Île de Southampton, inférée par les assemblages fossiles de diatomées /." 2007. http://www.theses.ulaval.ca/2007/24316/24316.pdf.

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37

Mayor, Pastor Sergio. "Reconstitution des paléoenvironnements benthiques de la Mer de Labrador pendant l'optimum du dernier interglaciaire (stade isotopique 5e) à partir des assemblages de foraminifères benthiques." Mémoire, 2012. http://www.archipel.uqam.ca/5142/1/M12342.pdf.

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Les assemblages de foraminifères benthiques du dernier interglaciaire (stade isotopique 5e) de carottes de forage d'Orphan Knoll (50.l7°N, 45.64°W; 3563 m) et d'Eirik Ridge (58.21°N, 48.37°W; 3380 m) ont été analysés pour retracer les conditions environnementales du fond marin à environ 3400 m de profondeur dans le nord-ouest de l'Atlantique Nord et la Mer du Labrador. Cette étude inclut une étude systématique dans laquelle 96 espèces de foraminifères benthiques sont identifiées, décrites et illustrées. Des analyses de regroupement ont permis de définir des assemblages. Ceux-ci s'avèrent très
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