Дисертації з теми "Stable isotope analysis (SIA)"
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Churchill, Diana A. "Investigating Trophic Interactions of Deep-sea Animals (Sharks, Teleosts, and Mobile scavengers) in the Gulf of Mexico Using Stable Isotope Analysis." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/2214.
Повний текст джерелаReid, Peter. "Ediacaran (latest Proterozoic) stratigraphic, isotopic and palaeobiological studies in the Flinders Ranges : stratigraphy, structure and stable isotope analysis of the Billy Springs formation, Mt Freeling Syncline, S.A. ; preservation and palaeobiology of the Ediacara Fauna, Central Flinders Ranges, S.A. /." Title page, contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09SB/09sbr357.pdf.
Повний текст джерелаOne folded map and one folded chart in pocket inside back cover. "National grid references Marree SH-54-5 (1:250,000) Parachilna SH-54-13 (1:250,000)." Includes bibliographical references (p. [2-7]).
Reich, Kimberly Jeanne. "Sea turtle life history patterns revealed through stable isotope analyses." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024416.
Повний текст джерелаReidy, Lisa Jayne. "Stable isotope analysis : a new forensic science tool." Thesis, Queen's University Belfast, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.479310.
Повний текст джерелаKim, Moon Koo. "Stable carbon isotope ratio of polycyclic aromatic hydrocarbons (PAHs) in the environment: validation of isolation and stable carbon isotope analysis methods." Diss., Texas A&M University, 2004. http://hdl.handle.net/1969.1/1099.
Повний текст джерелаCooper, Catherine Grace. "Exploring human dietary variation through stable isotope analysis of hair." Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61210.
Повний текст джерелаArts, Faculty of
Anthropology, Department of
Graduate
Ek, Caroline. "Towards understanding stable isotope signatures in stressed systems." Doctoral thesis, Stockholms universitet, Institutionen för miljövetenskap och analytisk kemi, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-134967.
Повний текст джерелаAt the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: Manuscript.
Walter, B. S., S. N. DeWitte, T. Dupras, and Julia Beaumont. "Assessment of nutritional stress in famine burials using stable isotope analysis." Wiley, 2020. http://hdl.handle.net/10454/17776.
Повний текст джерелаObjectives: We compared δ15N and δ13C values from bone and dentine collagen profiles of individuals interred in famine‐related and attritional burials to evaluate whether individuals in medieval London who experienced nutritional stress exhibit enriched nitrogen in bone and tooth tissue. Dentine profiles were evaluated to identify patterns that may be indicative of famine during childhood and were compared with the age of enamel hypoplasia (EH) formation to assess whether isotopic patterns of undernutrition coincide with the timing of physiological stress. Materials and Methods: δ15N and δ13C isotope ratios of bone collagen were obtained from individuals (n = 128) interred in attritional and famine burials from a medieval London cemetery (c. 1120–1539). Temporal sequences of δ15N and δ13C isotope profiles for incrementally forming dentine collagen were obtained from a subset of these individuals (n = 21). Results: Results indicate that individuals from attritional graves exhibit significantly higher δ15N values but no significant differences were found between burial types for the sexes. Analyses of dentine profiles reveal that a lower proportion of famine burials exhibit stable dentine profiles and that several exhibit a pattern of opposing covariance between δ15N and δ13C. EH were also observed to have formed during or after the opposing covariance pattern for some individuals. Conclusions: The results of this study may reflect differences in diet between burial types rather than nutritional stress. Though nutritional stress could not be definitively identified using bone and dentine collagen, the results from dentine analysis support previous observations of biochemical patterns associated with nutritional stress during childhood.
Division of Behavioral and Cognitive Sciences. Grant Numbers: BCS‐1261682, BCS‐1540208. Office of the Vice President for Research, University of South Carolina. Grant Number: SPARC Fellowship Grant
Strand, Sarah Elise. "Stable Isotope Biogeochemistry of South Florida Coastal Marine Ecosystems." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1737.
Повний текст джерелаSchenk, Emily R. "Geographic Provenancing of Unprocessed Cotton Using Elemental Analysis and Stable Isotope Ratios." FIU Digital Commons, 2012. http://digitalcommons.fiu.edu/etd/803.
Повний текст джерелаLakin, Kay E. "Diet in medieval London : stable isotope analysis of human and faunal remains." Thesis, University of Reading, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525115.
Повний текст джерелаCrawford, K. J. "The trophic and spatial ecology of bats, inferred from stable isotope analysis." Thesis, Queen's University Belfast, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.501251.
Повний текст джерелаPlass-Johnson, Jeremiah Grahm. "The trophic ecology of parrotfish of Zanzibar application of stable isotope analysis." Thesis, Rhodes University, 2012. http://hdl.handle.net/10962/d1005477.
Повний текст джерелаStowasser, Gabriele. "Squid and their prey : insights from fatty acid and stable isotope analysis." Thesis, University of Aberdeen, 2004. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU193681.
Повний текст джерелаHuff, Amy K. "Multiple stable oxygen isotope analysis of atmospheric carbon monoxide and its sources /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9835376.
Повний текст джерелаEklund, Markus. "Changing Agriculture : Stable isotope analysis of charred cereals from Iron Age Öland." Thesis, Stockholms universitet, Arkeologiska forskningslaboratoriet, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-170733.
Повний текст джерелаSandby Borg
Alderman, Susan Elizabeth. "Planktonic foraminifera in the sea of Okhotsk : population and stable isotopic analysis from a sediment trap." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/51553.
Повний текст джерелаIncludes bibliographical references (leaves 46-53).
by Susan Elizabeth Alderman.
M.S.
Farmer, Nicola Louise. "Multi-variate stable isotope analysis of industrially manufactured materials in a forensic context." Thesis, Queen's University Belfast, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.491993.
Повний текст джерелаReynard, Linda Marie. "The application of stable hydrogen isotope analysis to the study of ancient diet." Thesis, University of Oxford, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670134.
Повний текст джерелаMundee, Michelle Marie. "Exploring diet and society in medieval Spain : new approaches using stable isotope analysis." Thesis, Durham University, 2010. http://etheses.dur.ac.uk/434/.
Повний текст джерелаMicklem, Isabel Andrea. "Using captive seabirds to assess knowledge gaps in stable isotope analysis of diets." Thesis, Rhodes University, 2019. http://hdl.handle.net/10962/65101.
Повний текст джерелаDykstra, Eliese Antona. "Using stable isotope analysis to estimate black bear (Ursus americanus) diet in Vermont." ScholarWorks @ UVM, 2015. http://scholarworks.uvm.edu/graddis/388.
Повний текст джерелаDalu, Tatenda, Olaf L. F. Weyl, Pierre William Froneman, and Ryan J. Wasserman. "Trophic interactions in an austral temperate ephemeral pond inferred using stable isotope analysis." Springer International Publishing, 2016. http://hdl.handle.net/10962/68022.
Повний текст джерелаEphemeral ponds are vulnerable aquatic habitats which are difficult to protect given their dynamic nature and sensitivity to degradation during dry periods. Little information is available on these habitats in austral regions, with almost no information on food-web structure and complexity. The study aimed to assess trophic interactions among dominant organisms in an ephemeral pond food web, and investigate the importance of autochthonous and allochthonous carbon, using 13C and 15N isotopes. Results of the investigation suggest that the food web comprised four trophic levels, with the top predators being Notonectids (Notonecta sp.) and diving beetles (Cybister tripunctatus (Olivier)). Intermediary trophic levels comprised zooplankton (daphniids and copepodids), macroinvertebrates (e.g. micronectids and molluscs) and tadpoles. Generalist feeders dominated the higher trophic levels (>3) with specialists comprising the lower trophic levels (≤3). The consumers preferred autochthonous fine particulate organic matter, epiphyton and submerged macrophyte organic matter sources over allochthonous sources. Autochthonous organic matter was transferred to the food web via zooplankton and select macroinvertebrates including Micronecta sp. and Physa sp. The food-web structure within the pond appeared to reflect the secondary stage of trophic structural complexity in the evolution of ephemeral ponds over the course of their hydro-period.
Groves, Daniel James. "HOLOCENE FORAMINIFERAL ASSEMBLAGE AND STABLE ISOTOPE ANALYSIS FOR THE GERLACHE STRAIT, ANTARCTIC PENINSULA." OpenSIUC, 2015. https://opensiuc.lib.siu.edu/theses/1642.
Повний текст джерелаStearns, Benjamin D. "Diet Reconstruction of Wild Rio-Grande Turkey of Central Utah Using Stable Isotope Analysis." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3460.pdf.
Повний текст джерелаCummings, Colleen. "Food and society in late Roman Britain : determining dietary patterns using stable isotope analysis." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.496436.
Повний текст джерелаHutchison, Courtney Louise. "Stratigraphy, micropalaeontology and stable isotope analysis of Tertiary rocks in the North Canterbury region." Thesis, University of Canterbury. Geological Sciences, 2012. http://hdl.handle.net/10092/7647.
Повний текст джерелаBeramendi, Orosco Laura E. "Catalytic hydropyrolysis of wood to prepare lignin-enriched residues for stable carbon isotope analysis." Thesis, University of Nottingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.404040.
Повний текст джерелаToso, Alice M. "Diet in medieval Portugal : exploring inter-faith and social dynamics through stable isotope analysis." Thesis, University of York, 2018. http://etheses.whiterose.ac.uk/22505/.
Повний текст джерелаWeston, Mark Jonathan. "Investigating trophic interactions between parasites and their marine fish hosts using stable isotope analysis." Master's thesis, University of Cape Town, 2018. http://hdl.handle.net/11427/28153.
Повний текст джерелаAbraham, Elizabeth C. "Analysis of Temporal Range Change in Neotropical Passerine Migrants Using Stable Hydrogen Isotope Techniques." Youngstown State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1442928910.
Повний текст джерелаLuxton, Sharla Ann. "Exploring the relationship between diet and osteoporosis in medieval Portugal using stable isotope analysis." Thesis, University of Alaska Fairbanks, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1599243.
Повний текст джерелаThis project investigates the relationship between health and diet in medieval Portugal by combining data on the occurrence of osteoporosis with information on past diet derived from stable isotope ratios. The aim of this project is to identify whether different sources of protein influenced the prevalence of osteoporosis in three populations. Individuals from three different regions of Portugal were previously evaluated for bone mineral density at the University of Coimbra, Portugal, and bone samples from 91 of these individuals underwent stable isotope analysis at the University of Alaska Fairbanks. Collagen suitable for isotopic analysis was extracted from all individuals and indicated a negative correlation between bone mineral density (BMD) and carbon and nitrogen isotope values for females at one site and a positive correlation for males at another site. These results, combined with the lack of a clear relationship between BMD and nitrogen isotope values for the other subgroups, suggest a complicated relationship between dietary protein source and the occurrence of osteoporosis. While samples sizes are small, the data indicate that future analysis is warranted, particularly considering the high incidence of osteoporosis and the economic and individual strain of the disease.
Pethybridge, Heidi. "Ecology and physiology of deepwater chondrichthyans off southeast Australia : mercury, stable isotope and lipid analysis." Thesis, Bordeaux 1, 2010. http://www.theses.fr/2010BOR14050/document.
Повний текст джерелаAnalyse de spéciation a montré que le mercure est présent à plus de 91 % sous forme de MeHg, et même avec des taux supérieurs à 95 % chez les espèces des environnements les plus profonds. Les concentrations maximales en THg ont été trouvés dans les tissus musculaires (59 à 82 % de charge corporelle). Les reins et le foie possèdent aussi des taux élevés, respectivement de 0,3 à 4,2 et 0,5 à 1,5 mg kg-1 (ph), tandis que la peau enregistre les concentrations les plus faibles (> 0,3 mg kg-1, ph). Cette étude de l’organotropisme permet de conclure que les reins et le foie sont associés au métabolisme du métal, à l'élimination et au stockage à court terme, alors que le muscle est le sites le plus important du stockage du mercure à long terme. Les isotopes stables de carbone et d’azote ont été utilisés pour évaluer l'influence de la position trophique (d15N) et de la source de carbone (d13C) sur l'accumulation du THg chez les chondrichthiens. Le d15N varie entre 12,4 à 16,6 ‰ démontrant la large gamme de positions trophiques occupées par ces espèces. La variation interspécifique du d13C est quant à elle minimale (–18,7 à –17,1 ‰). Les concentrations en mercure notées chez la plupart des requins augmentent en fonction de la taille, de la position trophique (d15N) et du stade de maturité de l’animal. Dans la communauté des chondrichthiens des profondeurs on observe des taux modérés de bioamplification du mercure, ceci est révélé par la faible pente de la relation, log (THg mg kg-1 ww) = 0,2 (d15N) – 2,4 (R2 = 0,35 ; P <0,05). Le THg et les acides gras de 61 espèces appartenant aux niveaux trophiques intermédiaires ont été analysés dans le but d’étudier les régimes alimentaires des proies et la bioaccumulation de ce métal à travers la chaîne alimentaire démersale. L'utilisation intégrée de ces techniques biochimiques a fourni des données fondamentales sur la reproduction, l'accumulation en mercure et l'écologie trophique des chondrichthiens des profondeurs. La compréhension de ces fonctions est impérative non seulement pour la mise en place d’une gestion durable des pêcheries, mais aussi pour la protection des habitats des chondrichthiens et leurs écosystèmes associés
For most deepwater chondrichthyans, fisheries and conservation management is problematic, largely due to the lack of scientific data resulting from inherent logistical challenges working within deep-sea environments. Furthermore, many conventional analytical techniques (stomach content analysis and morphometrics) require large sample sizes and are often quantitatively inadequate. Thus, new and more robust methods requiring fewer specimens are needed. Biochemical ‘tracer’ techniques are increasingly being used to resolve complex ecological and biological questions at individual species and population levels. This research explored the integrated use of multiple biochemical techniques (lipid and fatty acid profiling, stable nitrogen and carbon isotope and mercury analysis) to understand aspects of the reproduction, feeding ecology, metal accumulation and physiology of deepwater chondrichthyans. Most were from the Order Squaliformes. Other species include those from the Families: Chimaeridae, Rhinochimaeridae, Scyliorhinidae and Hexanchidae. All specimens were caught as fisheries bycatch from the continental slope waters off southeast Australia. The examination of lipid composition and partitioning revealed that deepwater chondrichthyans have large, lipid rich (38–70 % wet weight, ww) livers high in neutral lipids and monounsaturated fatty acids. Liver is a multifunctional tissue, playing a vital role in lipid distribution and biosynthesis, buoyancy regulation and storage. In contrast, muscle is a structural organ, low in lipid (<2 %) and consisting primarily of polar lipids. Lipid composition of kidney and pancreas show that they, too, have complex roles in lipid metabolism and storage. Lipid analysis of reproductive tissues revealed high maternal investment in deepwater chondrichthyans as indicated by high lipid content in mature pre-ovulated ovarian follicles (18–34 %). Variable levels of triacylglycerols (8–48 %), diacylglyceryl ethers (0.2–28 %) and wax esters (0.5–20 %) were observed in all specimens, demonstrating the use of multiple lipid classes to fuel embryonic development. The maternal provisions differed between oviparous and viviparous species and between elasmobranchs and holocephalans. Greater lipid investment was displayed by sharks living in deeper environments, suggesting lower fecundity and increased vulnerability to fishing. Diet was examined by complementary lipid biomarker and traditional stomach content techniques. A total of 41 prey taxa were identified using stomach content analysis and consisted mainly of bathyal-demersal fish and cephalopods. Using multidimensional scaling analysis, the extent of variability in composition within each species was determined by grouping the signature fatty acid profiles of shark tissues with profiles for demersal fish, squid and crustaceans. Both techniques showed that deepwater chondrichthyans are opportunistic predators, and that there is some degree of specialisation and overlap between them. Total (THg) and inorganic (monomethyl, MeHg) mercury concentrations and tissue distribution were examined to determine the extent of biomagnification and evaluate levels for human consumption. Mean THg levels for most species were above the regulatory threshold (>0.1 mg kg-1 ww) and levels as high as 6.6 mg kg-1 ww were recorded. Speciation analysis demonstrated that 91% mercury was bound as MeHg with higher percentages (>95%) observed in species occupying deeper environments. Higher levels of THg were stored in muscle which accounted for between 59–82% of the total body burden of mercury. High levels were also found in kidney (0.3–4.2 mg kg-1 ww) and liver (0.5–1.5) with lower levels observed in skin (>0.3). Both the kidney and liver are likely to be associated in metal metabolism, short term storage and elimination procedures, while the muscle is the major site for long term storage. Stable isotopes were used as natural dietary tracers, to further evaluate dietary relationships and to assess the influence of trophic position (d15N) and carbon sources (d13C) on THg accumu
lation. Isotopic nitrogen (d15N) values ranged from 12.4 to 16.6 ‰ demonstrating a broad range of trophic positions. Minor variation in carbon (d13C) enrichment was observed between species (–18.7 to –17.1‰). In most shark species, mercury concentrations increased with size, trophic position (d15N), and maturity stage, but not between location or collection period. As a community, deepwater sharks demonstrated moderate rates of THg biomagnification, as indicated by the regression slope (log (THg) = 0.2 d15N – 2.4, R2 = 0·35, P < 0·05). THg and fatty acid analyses of 61 mid-trophic species were measured for their usage in studies of diet in high-order predators and mercury bioaccumulation in the extended demersal food chain. The integrated use of these biochemical techniques has provided fundamental data on the reproduction, metal accumulation and trophic ecology of deepwater chondrichthyans. Understanding these parameters is imperative not only for the implementation of sustainable management but for habitat protection of deepwater chondrichthyans and their associated ecosystems
Fan, Majie. "Geochemistry and Basin Analysis of Laramide Rocky Mountain Basins." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/195756.
Повний текст джерелаDupras, Tosha Lea. "Dining in the Dakhleh Oasis, Egypt : determination of diet using documents and stable isotope analysis /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ66204.pdf.
Повний текст джерелаAeppli, Christoph. "Assessing the natural attenuation of chlorinated ethenes in groundwater using compound-specific stable isotope analysis /." Zürich : ETH, 2008. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=17829.
Повний текст джерелаPietzke, Matthias [Verfasser]. "Analysis of the metabolic control of cell growth using stable isotope resolved metabolomics / Matthias Pietzke." Berlin : Freie Universität Berlin, 2015. http://d-nb.info/1067442219/34.
Повний текст джерелаLeggett, Michael Frederick. "Food-web dynamics of Lake Ontario as determined by carbon and nitrogen stable isotope analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ32838.pdf.
Повний текст джерелаMuldner, Gundula. "Eboracum - Jorvik - York : a diachronic study of human diet in york by stable isotope analysis." Thesis, University of Bradford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505511.
Повний текст джерелаGordon, Matthew James. "Estimating diet and food selectivity of the Lower Keys marsh rabbit using stable isotope analysis." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4568.
Повний текст джерелаID: 030423084; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.)--University of Central Florida, 2010.; Includes bibliographical references (p. 33-39).
M.S.
Masters
Department of Biology
Sciences
Twiddy, Edward James. "Applications of stable carbon and oxygen isotope analysis to some aspects of coastal environmental change." Thesis, Durham University, 1996. http://etheses.dur.ac.uk/1582/.
Повний текст джерелаReitsema, Laurie Jean. "Stable Carbon and Nitrogen Isotope Analysis of Human Diet Change in Prehistoric and Historic Poland." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1330969837.
Повний текст джерелаNilsson, Lino. "Nitrogen transformations at the Kiruna mine : The use of stable nitrogen isotopes to trace nitrogen-transforming processes." Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-209419.
Повний текст джерелаHonch, Noah V. "The Palaeodietary Implications of Amino Acid Stable Isotope Analysis : Developments in the Application of Compound Specific Isotope Techniques to Archaeological Bone Collagen." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.508412.
Повний текст джерелаMotwani, Nisha H. "Trophic complexity of zooplankton–cyanobacteria interactions in the Baltic Sea : Insights from molecular diet analysis." Doctoral thesis, Stockholms universitet, Institutionen för ekologi, miljö och botanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-116219.
Повний текст джерелаAt the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: Accepted.
Perkins, Matthew James. "Quantifying the effects of biodiversity on food web structure : a stable isotope approach." Thesis, University of Exeter, 2013. http://hdl.handle.net/10871/13941.
Повний текст джерелаFjellström, Markus. "Stable isotope analysis and ethical issues surorunding a human skeleton material from Rounala in Karesuando parish." Thesis, Stockholms universitet, Arkeologiska forskningslaboratoriet, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-68221.
Повний текст джерелаSlater, Gregory Franklin. "Constraining the fate of chlorinated ethenes in groundwater systems using stable carbon compound specific isotope analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/NQ58983.pdf.
Повний текст джерелаColas, Åberg David. "Hierarchy through Diet : Stable isotope analysis of male graves of the estate church graveyard in Varnhem." Thesis, Stockholms universitet, Arkeologiska forskningslaboratoriet, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-90055.
Повний текст джерелаBurns, Adam Joseph. "Stable isotope analysis of food web structure in Trout Beck, an upland stream in Northern England." Thesis, Lancaster University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343588.
Повний текст джерела