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Tomasz Gruszczynski, Jerzy J. Malecki, Anastasiia Romanova and Maciej Ziulkiewicz
Studies with application of stable isotopes of oxygen and carbon have been performed on calcareous tufa, groundwater and dissolved inorganic carbon (DIC) from the spring mire cupola in Wardzyn. This study was focused on the verification of the a priori h...
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Tetsuya Endo, Osamu Kimura, Masaru Terasaki, Yoshihisa Kato, Yukiko Fujii and Koichi Haraguchi
The changes in the stable isotope ratios of carbon (d13C), nitrogen (d15N), oxygen (d18O), and mercury (Hg) concentrations in muscle and liver tissues during and after lactation were studied in killer whales stranded along the coast of Hokkaido, in the n...
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Qiuying Han, Wenxue Che, Hui Zhao, Jiahui Ye, Wenxuan Zeng, Yufeng Luo, Xinzhu Bai, Muqiu Zhao and Yunfeng Shi
Eutrophication due to aquaculture can cause the decline of seagrasses and impact their carbon storage capacity. This study explored the effects of aquaculture on the sediment organic carbon (SOC) in Thalassia testudinum seagrass beds using enzyme activit...
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Yuchun Li, Tianlai Fan, Aihua Wang, Jun Zeng, Yubiao Lv, Mingwang Zhang and Dajun Liu
The geochemical characteristics of a 2.1 m BBW25 core, collected from the Beibu Gulf, have been investigated in terms of the major and trace elements, organic matter, and CaCO3 and AMS 14C dating by XRF, ICP-OES, ICP-MS, and more. We have found through p...
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Qianwen Ye, Cuicui Hou, Qiang Wang, Changjun Gao, Kay Stefanik, Feng Li and Bingbing Jiang
For decades in China, carbon neutrality policies have spurred the establishment of northern margin mangroves as artificial blue carbon ecosystems. However, there has been limited research on the impact of plantation and invasion on the stocks and sources...
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Peining Yang, Shengyi Mao, Yiyun Cao, Li Liu, Mengyue Zhai, Zhongyan Qiu and Lihua Liu
One gravity core retrieved from the Niger Delta was used to explore the origin of deposited organic matter (OM) and the paleo-climatic and environmental conditions over the Holocene in equatorial West Africa. The geochemical properties of sediments inclu...
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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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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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Érica T. Morais, Gabriel A. Barberes, Igor Viegas A. F. Souza, Fabiano G. Leal, Jarbas V. P. Guzzo and André L. D. Spigolon
This study applied the Pearson correlation coefficient and principal component analysis as tools for unsupervised qualitative petroleum system evaluation techniques. A total of 252 oil samples (32 features per sample) representative of two Brazilian sedi...
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Damaris Montano, Marta Gasparrini, Sébastien Rohais and Ramon De Luca
The Yacoraite Fm. (Salta rift basin, Argentina) consists of a mixed carbonate?siliciclastic lacustrine succession, interbedded with volcanic ash layers and organised in four third-order stratigraphic sequences. It is one of the few sites in South America...
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