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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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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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Seoyeon Hong, Youngun Han, Jihae Kim, Bo Ra Lim, Si-Young Park, Heeju Choi, Mi Rae Park, Eunmi Kim, Soohyung Lee, Yujeong Huh, Kyunghyun Kim, Won-Seok Lee, Taewoo Kang and Min-Seob Kim
Effective management of nitrate loading in complex river systems requires quantitative estimation to trace different nitrogen sources. This study aims to validate an integrated framework using soluble nitrogen isotope ratios (d15N?NH4 and d15N?NO3) and h...
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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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Francisco Pozo-Solar, Marcela Cornejo-D?Ottone, Roberto Orellana, Carla Acuña, Cecilia Rivera, Polette Aguilar-Muñoz, Céline Lavergne and Verónica Molina
Coastal zones are ecosystems that are sensitive to climate change and anthropogenic pollution, resulting in a potential loss of biodiversity and ecosystem services through eutrophication and nutrient imbalances, among others. The coastal El Sauce catchme...
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Igor Karlovic, Tamara Markovic, Andrew C. Smith and Kre?imir Maldini
Gravel pits are considered potentially hazardous in terms of groundwater quality protection as they represent an open part of the aquifer system, increasing the aquifer?s vulnerability to contamination from the surface. The aim of this research was to de...
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Sathy A. Naidu, Kandasamy Kathiresan, Jeffrey H. Simonson, Arny L. Blanchard, Christian J. Sanders, Alexander Pérez, Ruth M. Post, Thanumalaya Subramoniam, Raj A. Naidu and Rajendran Narender
Differences in grain size, total organic carbon (OC), total nitrogen (TN), OC/TN ratios, and stable isotope (d13C and d15N) were assessed in sediments from areas covered by mangrove and saltmarsh vegetation within Pichavaram estuary (Southeast India). Th...
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Linas Balciauskas, Vitalijus Stirke, Andrius Garbaras, Raminta Skipityte and Laima Balciauskiene
With only periodic and incomplete studies of its diet over time, all with differing methods and conclusions, the degree of omnivory in the bank vole (Clethrionomys glareolus) is not fully clear. We assessed the trophic niche of the species using isotopic...
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Jieun Kim, Hee-Young Yun, Eun-Ji Won, Hyuntae Choi, Seok-Hyeon Youn and Kyung-Hoon Shin
Despite their crucial roles in transporting primary productions in marine food webs, the trophic dynamics of zooplankton throughout the seasons have rarely been studied. In this study, four dominant zooplankton taxa with phytoplankton size composition an...
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