Thure E. Cerling
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View article: Extreme triple oxygen isotope fractionation in <i>Equisetum</i>
Extreme triple oxygen isotope fractionation in <i>Equisetum</i> Open
Triple oxygen isotope values of xylem water were measured along the length of smooth horsetail stems ( Equisetum laevigatum ). Extreme isotope enrichment is observed moving from base to stem tip. δ 18 O values range from −8.3‰ at the base …
Ages of boulder armored benches document varying Fremont River tributary incision rates, Teasdale-Torrey lowlands, Utah, USA Open
Although rates of fluvial incision across the Colorado Plateau are known reasonably well, rate variability through time and its controlling processes are still poorly understood. We used boulder armored benches from the Teasdale-Torrey low…
View article: Fifty Years in the Foothills: Ecosystem Evolution in the Neogene Siwalik Record of Pakistan
Fifty Years in the Foothills: Ecosystem Evolution in the Neogene Siwalik Record of Pakistan Open
The continental fossil record has exceptional, long sequences of fossiliferous strata that are the basis for evaluating ecosystem dynamics and their formative influences. The Siwalik sequence of South Asia is one example. It occurs in the …
Pedogenic carbonate as a transient soil component in a humid, temperate forest (Michigan, USA) Open
In humid, continental Michigan, we identified pedogenic carbonate in a soil profile developed on glacial drift sediments, as rinds, rhizoliths, and filaments (at depths >50 cm). Given that the climate setting is unusual for pedogenic carbo…
View article: Strontium isotope mapping of elephant enamel supports a micro-sampling and modeling workflow to reconstruct past migrations
Strontium isotope mapping of elephant enamel supports a micro-sampling and modeling workflow to reconstruct past migrations Open
Strontium isotope ratios (87Sr/86Sr) of incrementally grown tissues have been used to study animal movement/migration. Despite growing interest in this tool, questions remain regarding how different dental tissues preserve the same 87Sr/86…
View article: Strontium isotope mapping of elephant enamel supports a micro-sampling and modeling workflow to reconstruct past migrations
Strontium isotope mapping of elephant enamel supports a micro-sampling and modeling workflow to reconstruct past migrations Open
Strontium isotope ratios (87Sr/86Sr) of incrementally grown tissues have been used to study animal movement/migration. Despite growing interest in this tool, questions remain regarding how different dental tissues preserve the same 87Sr/86…
View article: Intra-tooth stable isotope analysis reveals seasonal dietary variability and niche partitioning among bushpigs/red river hogs and warthogs
Intra-tooth stable isotope analysis reveals seasonal dietary variability and niche partitioning among bushpigs/red river hogs and warthogs Open
How animals respond to seasonal resource availability has profound implications for their dietary flexibility and realized ecological niches. We sought to understand seasonal dietary niche partitioning in extant African suids using intra-t…
View article: Strontium isotope turnover event mapped onto an elephant molar: implications for movement reconstructions
Strontium isotope turnover event mapped onto an elephant molar: implications for movement reconstructions Open
Strontium isotope ratios (⁸⁷Sr/⁸⁶Sr) of incrementally grown tissues have been used to study movement and migration of animals. Despite advances in characterizing ⁸⁷Sr/⁸⁶Sr turnover [1], the 2…
View article: Toward a Cenozoic history of atmospheric CO <sub>2</sub>
Toward a Cenozoic history of atmospheric CO <sub>2</sub> Open
The geological record encodes the relationship between climate and atmospheric carbon dioxide (CO 2 ) over long and short timescales, as well as potential drivers of evolutionary transitions. However, reconstructing CO 2 beyond direct meas…
View article: <scp>BITS</scp>: A Bayesian Isotope Turnover and Sampling model for strontium isotopes in proboscideans and its potential utility in movement ecology
<span>BITS</span>: A Bayesian Isotope Turnover and Sampling model for strontium isotopes in proboscideans and its potential utility in movement ecology Open
Strontium isotope ratios ( 87 Sr/ 86 Sr) of incrementally grown tissues have been widely used to study movement ecology and migration of animals. However, the time scale of 87 Sr/ 86 Sr incorporation from the environment into tissue and ho…
Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
<sup>40</sup> Ar/ <sup>39</sup> Ar eruption ages of Turkana Basin tuffs: millennial-scale resolution constrains palaeoclimate proxy tuning models and hominin fossil ages Open
The Turkana Basin in NW Kenya and SW Ethiopia hosts remarkable fossil-rich sediments that are central to our understanding of early hominin evolution, with interbedded volcanic tuffs providing critical time markers. However, the resolution…
View article: Using stable isotopes to measure the dietary responses of Costa Rican forest birds to agricultural countryside
Using stable isotopes to measure the dietary responses of Costa Rican forest birds to agricultural countryside Open
How human modification of native habitats changes the feeding patterns and nutritional ecology of tropical birds is critical to conserving avian biodiversity, but tropical bird diets are laborious to investigate using the traditional metho…
Dataset S8 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
Dataset S7 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
<sup>40</sup>Ar/<sup>39</sup>Ar eruption ages of Turkana Basin tuffs: millennial scale resolution constrains paleoclimate proxy tuning models and hominin fossil ages Open
Table S5 40Ar/39Ar laser step-heating and laser fusion analytical results for KBS (=H2), Malbe (=H4), Chari (=L), Gele and FCTs feldspars, including all corrections.
Dataset S10 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
<sup>40</sup>Ar/<sup>39</sup>Ar eruption ages of Turkana Basin tuffs: millennial scale resolution constrains paleoclimate proxy tuning models and hominin fossil ages Open
Table S2 Summary of sample and irradiation information.
Dataset S4 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
<sup>40</sup>Ar/<sup>39</sup>Ar eruption ages of Turkana Basin tuffs: millennial scale resolution constrains paleoclimate proxy tuning models and hominin fossil ages Open
Table S6 40Ar/39Ar laser step-heating and fusion analytical results for KBS (=H2), Malbe (=H4), Chari (=L), Gele and FCTs feldspars excluding interference corrections.
Dataset S12 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
<sup>40</sup>Ar/<sup>39</sup>Ar eruption ages of Turkana Basin tuffs: millennial scale resolution constrains paleoclimate proxy tuning models and hominin fossil ages Open
Table S4 Feldspar electron microprobe analytical results.
<sup>40</sup>Ar/<sup>39</sup>Ar eruption ages of Turkana Basin tuffs: millennial scale resolution constrains paleoclimate proxy tuning models and hominin fossil ages Open
Table S3 Tuff and pumice glass electron microprobe analytical results.
Dataset S3 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
Dataset S13 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
Dataset S1 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…
<sup>40</sup>Ar/<sup>39</sup>Ar eruption ages of Turkana Basin tuffs: millennial scale resolution constrains paleoclimate proxy tuning models and hominin fossil ages Open
Table S7 Revised tuning models (Model I and II) for the Upper Burgi Member in Areas 102 and 131, based on 87Sr/86Sr isotopic data from fish fossils (Joordens et al. 2011, 2013), the 65ºN summer insolation curve of the La2004(1,1) solution …
Dataset S5 from Foraging history of individual elephants using DNA metabarcoding Open
Individual animals should adjust diets according to food availability. We used DNA metabarcoding to construct individual-level dietary timeseries for elephants from two family groups in Kenya varying in habitat use, social position and rep…