Laboratory-based validation of a passive sampler for determination of the nitrogen stable isotope ratio of ammonia gas
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DOI: 10.1016/j.atmosenv.2020.118009
Abstract: Abstract Nitrogen stable isotope ratio (δ15N) analysis of ammonia gas (NH3) by using a passive sampler is expected to be useful for determining sources of NH3 and for examining environmental dynamics. However, the use of… read more here.
Keywords: passive sampler; isotope ratio; sampler; nitrogen stable ... See more keywords
Carbon and nitrogen stable isotopes of copepods in a tidal estuarine system in Maryland, USA
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DOI: 10.1016/j.rsma.2021.101620
Abstract: Abstract The carbon and nitrogen stable isotope ratios of copepods, particularly Acartia tonsa and suspended particulate organic matter (SPOM) samples, collected seasonally (2014 to 2017) from 13 sites in the tidal estuaries of Maryland were… read more here.
Keywords: nitrogen stable; site; carbon nitrogen; copepod values ... See more keywords
Effects of sex and altitude on nutrient, and carbon and nitrogen stable isotope composition of the endangered shrub Baccharis concinna G.M. Barroso (Asteraceae)
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DOI: 10.1590/0102-33062017abb0020
Abstract: Previous ecological studies of dioecious plant species have found that female plants preferentially occur at lower altitudes where there are typically better nutritional conditions, while male plants often occur in less favorable sites. We compared… read more here.
Keywords: baccharis concinna; carbon nitrogen; nitrogen stable;
Exploring the contribution of dietary protein from poultry by-product meal and fish meal to the growth of catfish Ictalurus punctatus by means of nitrogen stable isotopes
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DOI: 10.3856/vol46-issue1-fulltext-5
Abstract: The natural nitrogen stable isotope signatures (δ 15N) found in poultry by-product meal (PBM) and fish meal (FM) were used to estimate the relative contribution of dietary nitrogen supplied by both ingredients to the somatic… read more here.
Keywords: nitrogen; meal; nitrogen stable; poultry product ... See more keywords