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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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Andrey Puchkov and Evgeny Yakovlev
The paper is devoted to the assessment of the content of anthropogenic radionuclides in tundra landscapes of the subarctic zone of Russia. The authors of the article studied the features of accumulation and migration of anthropogenic radionuclides and id...
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José Alfredo Flores Ronces, Edith R. Salcedo Sánchez, Manuel Martínez Morales, Juan Manuel Esquivel Martínez, Oscar Talavera Mendoza and María Vicenta Esteller Alberich
The Taxco mining district is a well-known international producer of silver, jewelry, and precious metal handicrafts. Inappropriate disposal wastes from anthropogenic activities have been deteriorating the hydric resources and threatening the inhabitants?...
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Anamaria Iulia Török, Ana Moldovan, Claudiu Tanaselia, Eniko Kovacs, Ionu? Cornel Mirea, Oana Teodora Moldovan and Erika Andrea Levei
Natural and anthropogenic factors highly influence the concentration of major (Na, Mg, K, Ca) and trace (Sr, Ba, Mn, Li) elements, anions (HCO3-, NO3-, SO42-, Cl-), and Sr isotopic signatures. The current study identified the Sr isotopic signature in gro...
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Natalia Kulik, Natalia Efremenko, Vera Strakhovenko, Natalia Belkina, Galina Borodulina, Ekaterina Gatalskaya, Viktor Malov and Igor Tokarev
This paper presents the results of seasonal observations of the geochemical composition of the waters of the large tributaries of Lake Onego. The mineralogy and geochemistry of the suspended matter and the isotopic composition (oxygen-18 and deuterium) o...
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Howri Mansurbeg, Ibrahim Mohialdeen, Ali Al-Juboury, Namam Salih, Mohammad Alsuwaidi, Salahadin Shahrokhi, Ihsan Al-Aasm, Rebar Mahmmud and Albert Permanyer
Field observations, together with the results of gas chromatography?mass spectrometry (GC-MS) and stable carbon isotope analysis of bitumen, coupled with fluid inclusion microthermometry and stable isotope analyses of closely associated vug- and fracture...
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Tianxiao Ji and Zhigang Zeng
Mid-ocean ridge basalts (MORBs), produced at mid-ocean ridge where the continents and subduction zones are distant, are the product of partial melting of the upper mantle and their chemical composition can provide information about the mantle itself. The...
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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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A. A. Namyatov, P. R. Makarevich, E. I. Druzhkova and I. A. Pastukhov
The isotopic parameter d18O in oceanography is used for the calculation of mixing proportions of the Atlantic, rivers, and melted waters as well as the relative content of ice-forming waters. Using these values, as well as nutrient concentrations in the ...
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Yeong-Ho Kwak, Seung-Yong Kim, Young-Shin Go, Dong-Hun Lee, Ha-Yun Song, Sang Ok Chung, Jeong Bae Kim and Bohyung Choi
We integrated stomach content analysis (SCA) and stable isotope analysis (SIA) to understand ontogenetic niche shifts in the invasive freshwater fish, bluegill, Lepomis macrochirus, inhabiting the Yedang Reservoir in Korea. Based on the total length (TL)...
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