Sentences with phrase «isotope analyses also»
Molecular dating and stable isotope analyses also show that by very early in their evolutionary history, polar bears were already inhabitants of the Artic sea ice and had adapted very rapidly to their current and unique ecology at the top of the Arctic marine food chain.
http://www.pnas.org/ Not exact matches
They also performed DNA analyses of water samples to identify larvae of vent animals and stable - isotope analysis to assess food supplies at each vent field.
He also stresses that the way we look at prehistoric times is changing radically thanks to genetics, isotope analysis and geophysical methods as well as developments in geographic information systems and remote sensing.
Previous analyses of the isotopes in the bones of the 11 Stone Age individuals also showed the hugely different diet the two groups had.
If isotope analysis is unfamiliar to you, you can also look at a simple budget calculation.
Prof. Paul E. Damon is a geochemist and Emeritus Professor of Geoscience at the Laboratory of Isotope Geochemistry of the University of Arizona in Tucson, where he also serves as a co-principal investigator for the NSF Accelerator Facility for Radioisotope Analysis.