Výsledky vyhledávání - "Nitrogen isotopic composition"

Akademický článek

Trophic niche separation of two non-spinose planktonic foraminifers Neogloboquadrina dutertrei and Pulleniatina obliquiloculata

Autor: Ryuji Toue, Kazuhiko Fujita, Masashi Tsuchiya, Yoshito Chikaraishi, Yoko Sasaki, Naohiko Ohkouchi

Publikováno v: Progress in Earth and Planetary Science, Vol 9, Iss 1, Pp 1-11 (2022)

Abstract Based on laboratory observations, planktonic foraminifers are omnivorous, feeding zooplankton and phytoplankton. Spinose species tend toward greater dependence on zooplankton prey than on phytoplankton prey, while non-spinose species are mor

Externí odkaz: https://doaj.org/article/448c1a07c8a44f968e4e61dd9881f637

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Akademický článek

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Akademický článek

Soil Moisture and Soluble Salt Content Dominate Changes in Foliar δ13C and δ15N of Desert Communities in the Qaidam Basin, Qinghai-Tibetan Plateau

Autor: Weiling Niu, Hui Chen, Jianshuang Wu

Publikováno v: Frontiers in Plant Science, Vol 12 (2021)

Changing precipitation and temperature are principal drivers for nutrient cycling dynamics in drylands. Foliar isotopic carbon (C) and nitrogen (N) composition (δ13C and δ15N) are often used to describe the plant’s water use efficiency and nitrog

Externí odkaz: https://doaj.org/article/38a3adcef41c4b6694b75d196249aca4

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Akademický článek

Effect of Different Derivatization Protocols on the Calculation of Trophic Position Using Amino Acids Compound-Specific Stable Isotopes

Autor: Stephane Martinez, Maya Lalzar, Eli Shemesh, Shai Einbinder, Beverly Goodman Tchernov, Dan Tchernov

Publikováno v: Frontiers in Marine Science, Vol 7 (2020)

Amino acids compound-specific nitrogen stable isotope analysis (AA-CSIA) is an emerging tool in ecology for understanding trophic system dynamics. While it has been successfully used for several independent studies across a range of environments and

Externí odkaz: https://doaj.org/article/66d66a36a81b488cbe1dc5d99ac6ded6

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Akademický článek

Compound‐specific isotope analysis of benthic foraminifer amino acids suggests microhabitat variability in rocky‐shore environments

Autor: Masashi Tsuchiya, Yoshito Chikaraishi, Hidetaka Nomaki, Yoko Sasaki, Akihiro Tame, Katsuyuki Uematsu, Naohiko Ohkouchi

Publikováno v: Ecology and Evolution, Vol 8, Iss 16, Pp 8380-8395 (2018)

Abstract The abundance and biomass of benthic foraminifera are high in intertidal rocky‐shore habitats. However, the availability of food to support their high biomass has been poorly studied in these habitats compared to those at seafloor covered

Externí odkaz: https://doaj.org/article/207582405154499cb3441778426b3015

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