Showing 1 - 20 results of 40 for search 'Carbon isotopes', query time: 0.06s Refine Results
  1. 1

    Carbon isotope perturbations are not primarily driven by volcanism during the Late Paleozoic Ice Age by Luojing Wang, Dawei Lv, Zhihui Zhang, Stephen E. Grasby, John L. Isbell, Jun Shen, Jianghai Yang

    Published 2025-08-01
    “…We identify two negative carbon isotope excursions during the late Gzhelian and early Asselian, both coinciding with climate warming. …”
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    Methylmercury carbon isotope fractionation during biotic methylation by the bacterial BerOc1 strain by Luisa M. Malberti-Quintero, Jin-Ping Xue, Remy Guyoneaud, Alina Kleindienst, Christelle Lagane, Laure Laffont, Jeroen E. Sonke, Zoyne Pedrero, Emmanuel Tessier, David Amouroux, David Point

    Published 2025-07-01
    “…Using the SRB model strain Pseudodesulfovibrio hydrargyri BerOc1 we investigated biotic iHg methylation aiming to assess the rates of mono-methylmercury (CH3Hg) production and to characterize the carbon (C) isotopic signatures (δ13C) of the CH3Hg product. …”
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    Stable Carbon and Nitrogen Isotope Signatures in Three Pondweed Species—A Case Study of Rivers and Lakes in Northern Poland by Zofia Wrosz, Krzysztof Banaś, Marek Merdalski, Eugeniusz Pronin

    Published 2025-07-01
    “…The analysis of stable carbon (<i>δ</i><sup>13</sup>C) and nitrogen (<i>δ</i><sup>15</sup>N) isotope signatures in macrophytes enables the identification of elemental sources, including potential pollutants. …”
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    Rapid isotopic exchange in mineralogically unaltered coral skeletons by Jarosław Stolarski, Deyanira Cisneros-Lazaro, Arthur Adams, Katarzyna Janiszewska, Anders Meibom

    Published 2025-07-01
    “…This provides a mechanism to modify primary isotopic compositions without obvious signs of diagenetic alteration, challenging the assumption that a preserved carbonate polymorph ensures isotopic fidelity in paleoenvironmental reconstructions and complicating the interpretation of the oxygen isotope paleo-temperature proxy in fossil aragonitic biocarbonates. …”
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    Isotope-driven hydrogel smart windows for self-adaptive thermoregulation by Hongyi Tu, Tong Wang, Min Chen, Limin Wu

    Published 2025-07-01
    “…Abstract As a cutting-edge and environmentally friendly approach, thermochromic hydrogel smart windows show great potential in combating climate change and achieving carbon neutrality. However, the substantial absorption of near-infrared (NIR) energy by H2O poses an enormous challenge in enhancing the spectral responsiveness. …”
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    Cyanobacterial bloom causes expansion of isotopic niche areas and overlap in crustacean zooplankton by Wojciech Krztoń, Edward Walusiak, Elżbieta Wilk-Woźniak

    Published 2025-08-01
    “…We used measurements of naturally occurring stable isotopes of carbon (δ13C) and nitrogen (δ15N) to quantify the areas of isotopic niches (sample size-corrected standard ellipse areas; SEAc) of planktonic crustaceans during the pre-bloom and cyanobacterial bloom phases. …”
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    Swiss data quality: augmenting CAMELS-CH with isotopes, water quality, agricultural and atmospheric data by Thiago V. M. do Nascimento, Marvin Höge, Ursula Schönenberger, Sandra Pool, Rosi Siber, Martina Kauzlaric, Maria Staudinger, Pascal Horton, Marius G. Floriancic, Florian R. Storck, Päivi Rinta, Jan Seibert, Fabrizio Fenicia

    Published 2025-07-01
    “…The dataset includes hourly and daily time series of measurements of water temperature, dissolved oxygen, pH, and electrical conductivity; as well as (bi)monthly measurements of dissolved organic carbon (DOC), total organic carbon (TOC), alkalinity ( $${{\bf{HCO}}}_{{\bf{4}}}^{{{-}}}$$ HCO 4 − ), ammonium ( $${{\bf{NH}}}_{{\bf{4}}}^{+}$$ NH 4 + ), $${{\bf{NO}}}_{{\bf{3}}}^{{{-}}}$$ NO 3 − , $${{\bf{NO}}}_{{\bf{2}}}^{{{-}}}$$ NO 2 − , total nitrogen, dissolved reactive phosphorus, total filtered phosphorus, total phosphorus, Ca²⁺, Mg²⁺, Na⁺, K⁺, Cl⁻, $${{\bf{SO}}}_{{\bf{4}}}^{{\bf{2}}{{-}}}$$ SO 4 2 − , H4SiO4, $${{\bf{SO}}}_{{\bf{4}}}^{{\bf{2}}{{-}}}$$ SO 4 2 − , total hardness, and stream water isotopes. …”
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    Integrating isotopic niche metrics and gut microbiota assembly reveals coexistence mechanisms in subtropical riverine fish by Yaqiu Liu, Xinhui Li, Konstantinos Ar. Kormas, Chunni Kou, Huifeng Li, Yuefei Li, Jie Li

    Published 2025-12-01
    “…This investigation employed stable carbon (δ13C) and nitrogen (δ15N) isotope analysis to quantify trophic niche width and overlap among seven sympatric fish species in the Yuanjiang River ecosystem, complemented by high-throughput sequencing of gut microbial communities. …”
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    Reconstructing medieval diets through the integration of stable isotope and proteomic analyses from two European burial sites by A. Pedergnana, J. Grossmann, R. Turck, A. Goujon, F. Rühli, S. Wilkin, P. Eppenberger, C. Lehn

    Published 2025-07-01
    “…This study uses stable isotope carbon (C), nitrogen (N), and sulfur (S) signatures from dental calculus, dentin, and bone of individuals from a monastic cemetery at Dalheim (North Rhine-Westphalia, Germany) dating to the ninth-twelfth centuries CE. …”
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    Maize-bean intercropping mediates reduction in arthropod intraguild predation better than low-intensity farming-Stable isotope evidence. by Nickson Erick Otieno, James Stephen Pryke, Jonathan Mukasi

    Published 2025-01-01
    “…However, every predatory taxon integrated diet carbon from all the others, particularly from predatory bugs. …”
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    Chromosomal Inversion Associated With Diet Differences in Common Quails Sharing Wintering Grounds by Celia Vinagre‐Izquierdo, Ines Sanchez‐Donoso, Jennifer A. Leonard, José Domingo Rodríguez‐Teijeiro, Carles Vilà

    Published 2025-08-01
    “…We surveyed one wintering population in southern Spain and analyzed the genomic composition, morphology, and deuterium, nitrogen, and carbon stable isotope composition of primary feathers. …”
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    Seasonal niche differentiation of Camponotus morosus and Dorymyrmex goetschi (Hymenoptera: Formicidae) in sandy beach habitats: Insights from stable isotope analysis by Paulina HIDALGO, Isaac PEÑA-VILLALOBOS, Hugo TORRES-CONTRERAS, Pablo SABAT

    Published 2024-10-01
    “…This study focused on the ecological role of two coastal species of ants, Camponotus morosus and Dorymyrmex goetschi, in Chile. Their seasonal isotopic niches were characterised using carbon (δ13C) and nitrogen (δ15N) analysis. …”
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    Geochemical characteristic of different-lithofacies source rocks and its implications for ultradeep hydrocarbon exploration in the lower cambrian Yuertus formation, Tarim basin by Qianghao Zeng, Taohua He, Ya Zhao, Ke Zhang, Zhigang Wen, Yaohui Xu, Jiayi He, Weichao Tian, Shuangfang Lu, Wangming Cheng, Zhou Xie, Kaiwen Xue, Changjun Ji

    Published 2025-07-01
    “…Oil-source correlation based on n-alkane’ carbon and sulfur isotopes suggests that calcareous shales are likely one of the primary sources for currently explored oils. …”
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    Bivalvia biostratigraphy of Aksütlü region (Hekimhan, NW Malatya, Türkiye) and paleoclimatological interpretations by Müjde Gürsoy

    Published 2025-08-01
    “…Within the community where ostreids are dominant, eight species have been identified; four species of the Ostreoidea, two Pectinoidea, one Arcoidea and one Cardioidea havebeen recorded. The Carbon (13C/12C) and Oxygen (18O/16O) isotope ratio results of the ostreids and sediments indicate the first findings related to the Miocene Climate Optimum (MCO) Event inAnatolia. …”
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    Provenance and tectonic settings of late Triassic–Jurassic deposits in the Southwestern Yangtze block: evidence from the geochemistry, SW China by Shengyang Yao, Qiyu Wang, Chuanlong Mou, Peng Ren, Bowen Zan, Shangke Xie, Jiale Liu, Xiao Liu

    Published 2025-07-01
    “…Abstract During the Late Triassic to Jurassic, the western Yangtze Block transitioned from marine carbonate deposits to terrestrial detrital deposits. …”
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