Results 21 to 30 of about 164,599 (316)

Diversity of management strategies in Mesoamerican turkeys: archaeological, isotopic and genetic evidence [PDF]

open access: yesRoyal Society Open Science, 2018
The turkey (Meleagris gallopavo) represents one of the few domestic animals of the New World. While current research points to distinct domestication centres in the Southwest USA and Mesoamerica, several questions regarding the number of progenitor ...
Aurelie Manin   +7 more
doaj   +1 more source

C and O Isotope Chemostratigraphy and Bulk Chemistry of Reef Limestones of the Tambaba Formation, Paraíba Basin, Northeastern Brazil [PDF]

open access: yesAnuário do Instituto de Geociências, 2020
This work focuses on the behavior of the C and O isotopes and major and trace element chemistry of the carbonate rocks of the Tambaba Formation, Paraíba Basin, Northeastern Brazil.
José Diego D. Veras   +3 more
doaj   +1 more source

Energy Sources of the Depth-Generalist Mixotrophic Coral Stylophora pistillata

open access: yesFrontiers in Marine Science, 2020
Energy sources of corals, ultimately sunlight and plankton availability, change dramatically from shallow to mesophotic (30–150 m) reefs. Depth-generalist corals, those that occupy both of these two distinct ecosystems, are adapted to cope with such ...
Stephane Martinez   +15 more
doaj   +1 more source

Revisited digestion methods for trace element analysis in human hair

open access: yesJournal of Analytical Science and Technology, 2019
Background The human hair is a potential material for assessing the exposure to environmental contaminants and tracing human mobility. Although various digestion methods have been proposed for determining trace elements in the human hair, there is no ...
Woo-Jin Shin   +4 more
doaj   +1 more source

Uranium Isotopic Analysis with the FRAM Isotopic Analysis Code [PDF]

open access: yes, 1999
FRAM is the acronym for Fixed-energy Response-function Analysis with Multiple efficiency. This software was developed at Los Alamos National Laboratory originally for plutonium isotopic analysis. Later, it was adapted for uranium isotopic analysis in addition to plutonium.
Vo, Duc T., Sampson, Thomas E.
openaire   +2 more sources

Trophic Niche Partitioning of Five Sciaenidae Species Sampled in Zhoushan Archipelago Waters via Stable Isotope Analysis

open access: yesFrontiers in Marine Science, 2022
Sciaenid fishes are usually associated with large freshwater inputs and are the most important economic fish on the coastal shelf off mainland China.
Jing Wang   +12 more
doaj   +1 more source

DIETARY STRATEGIES OF NORTHERN SELKUPS IN THE 18th–19th CENTURIES

open access: yesВестник археологии, антропологии и этнографии, 2019
The article considers the dietary habits of a small Selkup group that lived in the north of Western Siberia along the upper reaches of the Taz River in the18th–19th centuries.
O.E. Poshekhonova   +4 more
doaj   +1 more source

Isotopic evidence for residential mobility of farming communities during the transition to agriculture in Britain [PDF]

open access: yesRoyal Society Open Science, 2016
Development of agriculture is often assumed to be accompanied by a decline in residential mobility, and sedentism is frequently proposed to provide the basis for economic intensification, population growth and increasing social complexity.
Samantha Neil   +3 more
doaj   +1 more source

Isotope-Selective Breath Analysis

open access: yesConference on Lasers and Electro-Optics, 2017
Isotope-selective breath analysis offers a non-invasive, fast and reliable alternative to traditional methods in numerous clinical applications. Especially stable isotopologues of carbon dioxide have been applied to tens of different studies.
Lehto M.   +10 more
openaire   +2 more sources

Archaeologies of Hair: the head and its grooming in ancient and contemporary societies

open access: yesInternet Archaeology, 2016
This collection of short articles represents an original attempt to bring together scholarship that is usually divided along lines of specialism in time, place, method, or discipline.
Steven P. Ashby
doaj   +1 more source

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