... heavier stableisotopes of carbon and nitrogen at each trophic ...natural stableisotopes in larval nutrition research, compared to enriched stable isotope and radio-labeled tracers, ...
... radioactive isotopes is subject to a number of safety regulations (Schlechtriem et ...contrast, stableisotopes are non-hazardous, non-invasive and the changing ratio of stableisotopes ...
... more stableisotopes (for example, 12 C and 13 C for carbon, 14 N and 15 N for ...different isotopes of the same element is the number of neutrons, which do not affect the reactive properties of such ...
... using stableisotopes is difficult due to rapid ontogeny through larval stages and trophic levels, which frequently prevent the organisms form reaching isotopic ...of stableisotopes provides ...
... 5b, 5d, 5e). Opaque grains partly replace bioclasts and matrix and line wavy stylolites (Figures 5b, 5d, 5e). The opaque material is a dull grayish-yellow color suggestive of leucoxene, and higher in the section it has ...
... of stableisotopes constitutes a key tool to discern trophic ecological ...The stable-N isotopic signature (δ 15 N) in particular, is used to determine the ...
... of stableisotopes provides a robust methodology to determine ingested and assimilated food, as well as information on the trophic position of the species under study (Davis et ...
... Abstract: Stable isotope studies of elements in biological organisms have become a useful tool to assess the exchange of mole- cules in the ...on stableisotopes of hydrogen and oxygen have become a ...
... The cave bear presents a specific tooth morphology with wide grinding surfaces, and muscle insertions in the skull and the jaw which show a great biting power, which is the reason why it is thought to follow a basically ...
... ical evidence to propose an explanation of how T. landbeckii dunes form. Contrary to wind‐blown dunes, the systems studied here actually grow against the main wind direction, which would explain their unusual layered ...
... 5 (Phillips, 2012). In aquaculture nutrition, the isotopic values of carbon and nitrogen have been used as natural biomarkers to estimate dietary contributions in organisms fed on experimental dietary formulations having ...
... In this study, δ 13 C analysis of a subfossil wood sample with visible tree rings, identied as a member of the Goupiaceae family and found in a quaternary organic rich sedimentary layer,[r] ...
... between stableisotopes and ecomophology was observed, in contrast to the latter and diet ...proach. Stableisotopes analysis provides a time- integrated indicator of energy resources (Vander ...
... Limpets (N. deaurata and N. magellanica) were randomly collected from an intertidal boulder- cobble field at Bahía Laredo located in the eastern part of the Strait of Magellan (52°56.5´S; 70°50´W). N. deaurata is ...
... authors did not provide the stratigraphic context of their specimens. Carbon and oxygen stableisotopes in molars of D. mexicanus and N. eurystyle from the Tecolotlán basin have not previously been ...
... The isotopes (or nuclides) are classified as stable and radioactive (radioisotopes or radionuclides) that undergo radioactive ...as stableisotopes, while the 14 C is a radioactive form of ...
... Nehari’s result is well known in the area of systems and control ([18]). It produces, both for discrete and continuous time systems, the optimal stable projection of a completely unstable system. Furthermore, the ...