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Danyang Li, Jinpei Yan, Zhiqiang Lu, Tianshu Chu, Jun Li and Tajen Chu
Organic matter in the productive mangrove?estuary ecosystem plays an important role in global climate changes. In recent years, the eutrophication in such areas caused by anthropogenic inputs of sewage has been revealed, highlighting the need to understa...
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Rossana Caroni, Roberta Piscia, Gary Free and Marina Manca
The purpose of this study was to elucidate the patterns and mechanisms driving seasonal and interannual variations of carbon and nitrogen stable isotopes in the zooplankton crustacean community of Lake Maggiore (Italy), during the period 2009?2020. Diffe...
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Xihua Wang, Shunqing Jia, Zejun Liu and Boyang Mao
Nitrate pollution in groundwater has become a global concern for agriculture and regional ecology. However, tracing the spatiotemporal groundwater nitrate pollution sources, calculating the total nitrogen loading, and assessing contamination at the water...
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Qibin Lao, Guoqiang Liu, Jingsong Gao, Youli Shen, Qizhong Su, Chunqing Chen and Fajin Chen
Isotope measurements were performed on dissolved nitrate (NO3-) and ammonium (NH4+) in the coastal waters of the northeastern Beibu Gulf, China, to investigate the seasonal nitrate sources and their biogeochemical processes, which are due to the rapid de...
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Yinan Mao, Qingyun Ma, Jiaxin Lin, Ye Chen and Qiang Shu
In this study, total organic carbon (TOC), total nitrogen (TN), and stable carbon isotopes (d13C) were measured in surface intertidal saltmarsh and bare tidal flat sediments along the Rudong coast. The distribution and sources of organic carbon were exam...
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Zhiyi Tang, Chao Cao, Kunxian Tang, Hongshuai Qi, Yuanmin Sun and Jiangbo Yang
Carbon and nitrogen contents and their isotopic components, and AMS (Accelerator Mass Spectrometry) radiocarbon dating ages, were measured for 57 coastal sediments from Weizhou Island to analyze the distribution of total inorganic carbon (TIC) and its ca...
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Mikhail S. Golubkov, Vera N. Nikulina, Alexei V. Tiunov and Sergey M. Golubkov
Knowledge of carbon and nitrogen isotopic ratios in organic matter and their changes is important when studying nutrient cycles in aquatic ecosystems. Relationships between d13C and d15N values of suspended particulate organic matter (POM), water tempera...
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Pham Van Hieu, Nguyen Thi Hoang Ha, Luu Viet Dung and Koji Omori
Mangrove forests are important in providing habitats for complex communities of terrestrial and marine fauna. Moreover, they are recognized as highly productive ecosystems in providing nutrients to mangrove food webs or exporting them to nearby coastal w...
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Abid Khogali, Peter Birkle, Abdulaziz Al-Shaibani, Martin Keller, Bassam Tawabini and Mohammad Makkawi
Nitrate (NO3-) represents one of the major groundwater constituents with increasing distribution and concentration in the Kingdom of Saudi Arabia. This study aimed to determine potential sources of nitrate in the Early to Late Cretaceous Wasia aquifer sy...
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Elissavet Dotsika, Georgios Diamantopoulos, Spyridon Lykoudis, Sofia Gougoura, Elena Kranioti, Petros Karalis, Dimitra Michael, Eleni Samartzidou and Emmanouil Palaigeorgiou
We review the stable isotopic data of recovered Greek bones from the Early Neolithic to the Late Bronze period in order to examine dietary changes over time. As an isotopic baseline we use the published fauna data of the periods. The analysis revealed a ...
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