Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 20 of 125 for “"stable isotope analysis"”.
-
Stable isotope analysis: a new forensic science tool
The principle behind forensic analysis is to acquire information previously unknown, or to corroborate information available on either a samples' origin, or a comparative analysis. Conventional analytical techniques used in the analysis of forensic chemical samples include Gas and Liquid …
-
Global coal ball stable isotope analysis to define permineralizing environments
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
-
Estimating Trophic Position of Lake Oahe Walleye Using Stable Isotope Analysis
… populations are sampled infrequently. I used stable isotope analysis to estimate walleye trophic position and then compared these values to trophic position estimates from diet content analysis for fish sampled from May 2001 to May 2002. Trophic position estimates generated by isotopes were …
-
Exploring Social Identity through Stable Isotope Analysis in the Kellis 2 Cemetery
… the variation existing throughout the empire. Stable isotope analysis has the potential to reveal variability in lived experience of past peoples by acting as a proxy for behavior that can be analyzed from bone. Such an approach has been applied on individuals from the Romano-Christian Kellis 2 …
-
Flight feather moult patterns and stable isotope analysis in the Woodland Kingfisher
… grounds of the Woodland Kingfisher, I measured stable isotope ratios of carbon (δ 13C), nitrogen (δ 15N) and hydrogen (δ 2H) in primary (P1), secondary (S1) and tail (R1) feathers from birds caught in Ghana, South Africa and Uganda between 2015 and 2018 during the respective breeding seasons. …
-
Exploring Diet and Society in Medieval Spain: New Approaches Using Stable Isotope Analysis
… thesis employs carbon (δ13C) and nitrogen (δ15N) isotope analysis to explore variability in diet and resource exploitation between faiths, localities and through time under Muslim and later Christian rule and places the isotopic data in the context of other historical and archaeological evidence. …
-
Investigating trophic interactions between parasites and their marine fish hosts using stable isotope analysis
… I investigated host-parasite interactions using stable isotope analyses on a broad range of marine fish hosts and their associated copepod and monogenean gill parasites. The study also provides insight into the gill parasite diversity of a number of host species from South African marine waters. …
-
The foraging ecology of minke whales (Balaenoptera acutorostrata) in Northeast Scottish waters using stable isotope analysis
… and muscle tissue from their putative prey, stable isotope analysis was conducted to derive δ13C and δ15N values. The aims of this thesis were to: (i) determine the contribution of known prey species to the diet of minke whales in Northeast Scotland and assess prey preferences between adult …
-
Population Parameter Estimation and Stable Isotope Analysis of Gulf Sturgeon (Acipenser oxyrinchus desotoi) in the Pascagoula River
… modelling and describing feeding habitat by stable isotope analysis for GS natal to the Pascagoula River. Pascagoula River GS were captured with anchored gill nets, tagged, and had blood and muscle samples taken between April–November from 2013–2020. Mark-recapture modelling revealed a …
-
Stable isotope analysis as an indicator of tree and grass rooting depth in a mesic African savanna
… cover and analysed by means of carbon nitrogen isotopes. While δ¹⁵N showed little pattern due to complexities in the fractionation process, δ¹³C revealed that tree and grass rooting depths did not adhere to separate niches as proposed by Walter (1971). Root material from both growth forms …
-
Determining the Trophic Role of Red Snapper (Lutjanus campechanus) in Mississippi State Waters Using Stomach Content and Stable Isotope Analysis
… in Mississippi state waters utilizing stable isotopes (δ<sup>13</sup>C and δ<sup>15</sup>N) and stomach content analysis. Stable isotope analysis of fish and their prey can provide information on species-specific basal resource utilization, diet composition and trophic position which …
-
Paleoclimate Implications from Stable Isotope Analysis of Sedimentary Organic Carbon and Vertebrate Fossils from the Cedar Mountain Formation, UT, U.S.A.
… to determine if diagenetic alteration of the isotopes has occurred by plotting the line of best fit equation that models the relationship between unaltered δ18OP and δ18OC of modern mammals from Iacumin et al., 1996. Results indicate slight diagenesis of some specimens has occurred.</p> …
-
An investigation of skeletons from Type-R settlements along the Riet and Orange Rivers, South Africa, using stable isotope analysis
In the last centuries before incorporation into the Cape Colony, the Riet and Orange River areas of the Northern Cape, South Africa were inhabited by communities of hunter-gatherers and herders whose life ways are little understood. These people were primarily of Khoesan descent, but their large …
-
The trophic dynamics of the broadnose sevengill shark (Notorynchus cepedianus) in False Bay, South Africa, using multiple tissue stable isotope analysis
… and elusive and ranging over large distances. Stable isotopes provide a low cost, non-lethal method for investigating the short and long-term diet of a predator, which when combined with prey data can be used to understand the trophic interactions and the potential regulatory effects they may …
-
Determining Critical Internesting and Foraging Habitats for the Conservation of Sea Turtles in Gabon, Africa Using Satellite Tracking and Stable Isotope Analysis
… Gridded utilization distribution (UD) home range analysis of tracking data revealed that the entire core habitat occurred in the Komo Estuary and overlaps with an important area for artisanal fishing (79% overlap) and commercial shipping traffic (58% overlap). Dive data revealed turtles spent a …
-
Stable isotope analysis of fauna and soils from sites in the Eastern Free State and Western Lesotho, Southern Africa : a palaeoenvironmental interpretation
This thesis examines the use of stable carbon isotopes as a means of reconstructing the palaeoenvironment of the Caledon River Valley of the eastern Free State, South Africa, and western Lesotho. In doing so, this work draws upon previous studies that have shown that the distinct distribution and …
-
Seen but not heard: Reconstructing the early life history of the Industrial child through carbon and nitrogen stable isotope analysis of dentine collagen
… in industrial London using incremental dentine analysis of both adults (survivors) and children (non-survivors) within a single 19th century London burial population to investigate the effects which changing social and economic conditions during Industrialisation had on their diet, health, and …
-
Can the pathway of abalone aquaculture effluent be traced using carbon and nitrogen stable isotope analysis of kelp Ecklonia maxima and mussels Mytilus galloprovincialis?
… abalone farm in Jacobsbaai can be traced using stable carbon and nitrogen isotopes. Kelp (Ecklonia maxima) and blue mussels (Mytilus galloprovincialis) along the coast near the farm (in Jacobsbaai) were collected from 8 sites and used as tracers of the farms effluent. A ninth site was sample in …
-
Uranium-series geochronology and stable isotope analysis of travertine from Soda Dam, New Mexico : a Quaternary record of episodic spring discharge and rivern incision in the Jemez Mountains hydrothermal system
… 211, 111 and 96 ka, during interglacial Marine Isotope Stage's (MIS) 9, 7 and 5. Deposit Ai is inset into deposit A and yields stratigraphic ages of 183 to 132 ka. Ancestral Jemez River gravels cemented by calcite rinds provide a terrace 30 m above the modern river and yield an age of 201 ka, …
Page 1 of 7