Results 11 to 20 of about 95,822 (213)
Food webs in forest and pasture streams in the Waikato region, New Zealand: A study based on analyses of stable isotopes of carbon and nitrogen, and fish gut contents. [PDF]
New Zealand Journal of Marine and Freshwater Research, 1997 Stable isotopes of carbon (C) and nitrogen (N) were studied in 11 stream communities in the Waikato region of New Zealand. From comparisons of mean d13C and d15N values, food webs in the shaded, forest streams were clearly based on allochthonous material
Biggs B., Lester P. J., Main M. L.
core +4 more sources
Sedimentary pyrite sulfur isotopes track the local dynamics of the Peruvian oxygen minimum zone
Nature Communications, 2021 To explore the importance of local vs. global sulfur-cycle controls on variations in pyrite sulfur isotopes, the authors couple carbon-nitrogen-sulfur concentrations and stable isotopes of sediments from the Peruvian oxygen minimum zone, identifying a ...
Virgil Pasquier +2 more
doaj +1 more source
Stable carbon and nitrogen isotope enrichment in primate tissues [PDF]
Oecologia, 2010 Isotopic studies of wild primates have used a wide range of tissues to infer diet and model the foraging ecologies of extinct species. The use of mismatched tissues for such comparisons can be problematic because differences in amino acid compositions can lead to small isotopic differences between tissues.
Crowley, Brooke E. +5 more
openaire +4 more sources
Frontiers in Microbiology, 2021 Nitrogen is one of the limiting nutrients for coral growth and primary productivity. Therefore, the capacity of different associations between corals and their algal symbionts (Symbiodiniaceae) to efficiently exploit the available nitrogen sources will ...
Chloé A. Pupier +7 more
doaj +1 more source
A pilot study of stable isotope fractionation in Bombyx mori rearing
Scientific Reports, 2023 Hydrogen, oxygen, carbon, and nitrogen isotopes derived from three different strains of silkworms at different life stages involved in silkworm rearing, were measured to understand the fractionation characteristics of stable isotopes at different stages ...
Hao Li +11 more
doaj +1 more source
Stable nitrogen isotopes in coastal macroalgae: Geographic and anthropogenic variability [PDF]
Science of The Total Environment, 2013 Growing human population adds to the natural nitrogen loads to coastal waters. Both anthropogenic and natural nitrogen is readily incorporated in new biomass, and these different nitrogen sources may be traced by the measurement of the ratio of stable nitrogen isotopes (δ(15)N).
González-Viana, I. (Inés) +1 more
openaire +4 more sources
Effects of spoilage on nitrogen and carbon stable isotopes signatures of the clam Ruditapes decussatus [PDF]
, 2018 Fish and seafood products are highly susceptible to post-mortem spoilage due to autolytic reactions at start, then microbiological activity and eventually oxidative reactions.
A Lucas +23 more
core +1 more source
Diversity, 2020 The input of new nutrients by upwelling in shelf waters, and the associated carbon and nitrogen fluxes, can be traced by their stable isotope signatures in organic matter.
Antonio Bode +2 more
doaj +1 more source
Tracing the source of soil organic matter eroded from temperate forest catchments using carbon and nitrogen isotopes [PDF]
, 2016 Soil erosion continuously redistributes soil and associated soil organic matter (SOM) on the Earth's surface, with important implications for biogeochemical cycling of essential elements and terrestrial carbon sequestration.
Berhe, AA +6 more
core +1 more source
Yankuang ceshi, 2017 The stable isotope of carbon and nitrogen (δ13C and δ15N) in marine sediments have received much attention as they can be used to trace the sources of organic matter and are helpful in understanding the carbon cycle, climate change and the transformation
QIN De-di +5 more
doaj +1 more source