Conversely, the absence of a "sedimentary"-source nitrogen isotope signature similar to the host rock in an orogenic deposit would be a very strong indicator of an external, exotic source for the mineralizing fluids.doi:10.1016/j.epsl.2005.01.029Iain K. Pitcairn...
Previous research has shown stable isotope ratios of nitrogen in fish and other animals may vary depending on their food source. Ecologists have had some success in determining feeding and trophic relationships within an ecosystem using stable isotopic ratios. In this study, nitrogen stable isotopic ...
Nitrogen stable isotope ( 15 N, 14 N) natural abundance has been much less used than carbon isotopes ( 13 C, 12 C) in plant physiology and ecology. Analy... LL Handley,JA Raven - 《Plant Cell & Environment》 被引量: 472发表: 2010年 Differential subcellular localization and expression of...
Nitrogen absorptionRice growthIsotope tracingRice alternated with upland crops has become increasingly popular in recent years. To investigate the residual effects of nitrogen from the previous upland crop on rice growth, two cropping systems, garlic-rice and wheat-rice, were studied from 2014 to ...
Biochar influences soil nitrogen transformations and its capacity to take up ammonia is well recognized. Anthropogenic emissions of ammonia need to be mitigated due to negative environmental impacts and economic losses. Here we use an isotope of nitrogen to show that ammonia-N adsorbed by biochar is...
THE EFFECTS OF Zn~(2+) AND Pb~(2+) ON THE NITROGEN METABOLISM IN VIGNA MUNGO (L.) HEPPER In the present study, an attempt was made toexamine the effect of different concentration of zinc(6.3,7.3 and 8.3 mg/lit) and lead (2.7,3.7 and 4.7 mg/lit)... VK Sinhal,VP Singh,A Sriv...
Moreover, this depletion of the heavier N isotope is proportional to the NH4+/NH3toxicity in plants species. Therefore, we hypothesise that the low affinity transport system for NH4+may have two components: one that transports N in the molecular form and is associated with fractionation and ...
The estuarine plastisphere, a novel ecological habitat in the Anthropocene, has garnered global concerns. Recent geochemical evidence has pointed out its potential role in influencing nitrogen biogeochemistry. However, the biogeochemical significance of
The estuarine plastisphere, a novel ecological habitat in the Anthropocene, has garnered global concerns. Recent geochemical evidence has pointed out its potential role in influencing nitrogen biogeochemistry. However, the biogeochemical significance of
Performance evaluation of nitrogen isotope ratio determination in marine and lacustrine sediments: An inter-laboratory comparison The WLSD was inversely correlated with the ratio of peak height to peak width, which was taken as a simple measure of peak shape. Moreover, our ... E Bahlmann,SM Ber...