The dynamic changes of stable isotopic ratios of carbon and nitrogen in suspended and sedimented particulate organic matter during a phytoplankton bloom

1992 ◽  
Vol 50 (2) ◽  
pp. 267-296 ◽  
Author(s):  
Takeshi Nakatsuka ◽  
Nobuhiko Handa ◽  
Eitaro Wada ◽  
Chi Shing Wong
Keyword(s):  
Organic Matter ◽  
Particulate Organic Matter ◽  
Phytoplankton Bloom ◽  
Isotopic Ratios ◽  
Dynamic Changes ◽  
Carbon And Nitrogen ◽  
Stable Isotopic

scholarly journals Carbon and nitrogen isoscape of particulate organic matter in the East China Sea

2021 ◽  
pp. 102667
Author(s):  
Pei-Chi Ho ◽  
Noboru Okuda ◽  
Chih-Fu Yeh ◽  
Pei-Ling Wang ◽  
Gwo-Ching Gong ◽  
...  
Keyword(s):  
Organic Matter ◽  
East China Sea ◽  
Particulate Organic Matter ◽  
East China ◽  
The East China Sea ◽  
Carbon And Nitrogen ◽  
China Sea

Variability of Settling Particles Fluxes and Isotopic Composition (δ13C and δ15N) from Material Trapped in Coastal Reefs of Abrolhos Bank, Eastern Brazilian Shelf

2020 ◽  
Vol 43 (3) ◽  
Author(s):  
Saulo Spanó ◽  
André Luiz Belem ◽  
Maria Do Rosário Zucchi ◽  
Paulo De Oliveira Mafalda Junior ◽  
Alessandro Lopes Aguiar ◽  
...  
Keyword(s):  
Organic Matter ◽  
Isotopic Composition ◽  
Environmental Monitoring ◽  
Isotopic Ratio ◽  
Isotopic Ratios ◽  
Sediment Composition ◽  
Δ13c And Δ15n ◽  
Sediment Samples ◽  
Carbon And Nitrogen ◽  
Average Value

Elemental and isotopic ratios (C/N, δ13C, δ15N) of sediment samples captured by PVC traps in eight stations along the coastal reefs of the Abrolhos region, Brazil, were analyzed. The study area is characterized by the influence of continental sediments on biogenic sediments. The highest δ13C values were found in the Sebastião Gomes (second shallower station), with average values close to -15‰ in all sampling periods. The isotopic ratio of carbon and nitrogen indicates that the organic matter analyzed has marine origin, with signature features of oceanic regions. The highest C/N ratio average value of 8.29 occurred in Nova Viçosa (the southernmost station and one of the shallowest) during the spring, in other seasons the average value was close to 7 in all periods. Although the values of C/N indicate a significantly marine contribution, δ15N values suggest that N series recycling processes are frequent during the time that the material remained in the environment. The results will provide a baseline for future environmental monitoring and studies on changes in sediment composition in an important set of coastal coral reefs.

Sample acidification has a predictable effect on isotopic ratios of particulate organic matter along the Chilean coast

2019 ◽  
Vol 33 (21) ◽  
pp. 1652-1659 ◽  
Author(s):  
Carmen Barrios‐Guzmán ◽  
Maritza Sepúlveda ◽  
Felipe Docmac ◽  
Patricia Zarate ◽  
Hernán Reyes ◽  
...  
Keyword(s):  
Organic Matter ◽  
Particulate Organic Matter ◽  
Isotopic Ratios ◽  
Chilean Coast
Sign in / Sign up

Export Citation Format

Share Document