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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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Jae-Joong Kang, Jun-Oh Min, Huitae Joo, Seok-Hyun Youn and Sang-Heon Lee
Each phytoplankton species has intrinsic pigments, which result in different photophysiological characteristics in response to natural light conditions. Therefore, phytoplankton pigments provide important information on the photosynthetic activity that p...
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Guoyin Chen, Meixia Zhang, Xianyu Yao, Yiren Zhu, Yuanliu Hu, Dafeng Hui, Jianling Li, Jingwen Chen and Qi Deng
Mangrove afforestation is considered an important measure in the ?natural-based solution? for mitigating climate warming through sequestering massive carbon (C) into vegetation biomass, yet how the planted mangrove species facilitate soil C sequestration...
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Yewei Song, Jie Guo, Fengshan Ma, Jia Liu and Guang Li
Water inrush caused by mining below the seafloor seriously affects the safety and production of mines. Identifying the end element of mine inrush and accurately calculating the mixing ratios of end elements are the basis for a reasonable evaluation of wa...
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Bernardo Duarte, Alexandra Baeta, João Carlos Marques and Isabel Caçador
Atmospheric CO2 enrichment, which is caused to a large extent by anthropogenic activities, is known to interfere with sediment microbial communities via plant rhizospheres. The present work aimed to evaluate this interaction in Spartina maritima ((Curtis...
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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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Zilalai Abudouwaili, Yuhui Yang and Xiancheng Feng
The Ili Kashi River Basin is an area with relatively abundant precipitation within the arid region of Northwest China. Using water samples from atmospheric precipitation, surface water, groundwater, and snow meltwater in the basin from July 2018 to June ...
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Otman El Mountassir and Mohammed Bahir
Because of anthropogenic activity and seawater intrusion, coastal aquifers worldwide frequently face a threat to their water supply due to salinization. This paper investigates the assessment of the groundwater quality in coastal aquifers of the Hauturiv...
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Philip H. Stauffer, Brent D. Newman, Kay H. Birdsell, Marvin O. Gard, Jeffrey M. Heikoop, Emily C. Kluk and Terry A. Miller
Vadose zone transport of tritium and nitrate can be important considerations at radioactive waste sites, landfills, or areas with industrial impacts. These contaminants are of particular concern because they typically have a relatively higher mobility in...
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Jiacheng Li, Fajin Chen, Shuwen Zhang, Chao Huang, Chunqing Chen, Fengxia Zhou, Junhui Wu, Guangzhe Jin and Qingmei Zhu
In this study, the isotopic composition (d13C and d15N), total organic carbon content, total nitrogen content, and C/N ratios of suspended particulate organic matter (POM) in Zhanjiang Bay, which is a semi-enclosed bay with concentrated artificial activi...
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Kim Jye Lee Chang, Christopher C. Parrish, Cedric J. Simon, Andrew T. Revill and Peter D. Nichols
Replacement of fish oil by 5% thraustochytrid whole cell biomass in diets for Atlantic salmon had no ill effect on fish growth performance, carcass total lipid and total fatty acid content. Carcass fatty acid composition indicated incorporation of the di...
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Silvia Iacurto, Gerardo Grelle, Francesco Maria De Filippi and Giuseppe Sappa
Karst aquifer recharge areas are usually difficult to identify because of the complexity of these aquifers? characteristics. On the other hand, their identification is very important in the aim of protecting the groundwater resources that these aquifers ...
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Md. Shawkat I. Sohel, Mohammed Abdus Salam and John Herbohn
In the face of global climate change, water availability and its impact on forest productivity is becoming an increasingly important issue. It is therefore necessary to evaluate the advancement of research in this field and to set new research priorities...
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Charles M. Balagizi and Marcello Liotta
The processes of isotope fractionation in the hydrological cycle naturally occur during vapor formation, vapor condensation, and moisture transportation. These processes are therefore dependent on local and regional surface and atmospheric physical featu...
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Kyle A. Duckett, Jeff B. Langman, John H. Bush, Erin S. Brooks, Pamela Dunlap and Jeffrey M. Welker
Groundwater studies in the South Fork Palouse River Basin have been unable to determine recharge sources, subsystem connectivity and flow patterns due to the discontinuity of pathways in the heterogeneous and anisotropic aquifers located in Columbia Rive...
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Anna Visconti, Rossana Caroni, Ruth Rawcliffe, Amedeo Fadda, Roberta Piscia and Marina Manca
Functional-based approaches are increasingly being used to define the functional diversity of aquatic ecosystems. In this study, we proposed the use of d13C and d15N stable isotopes as a proxy of zooplankton functional traits in Lake Maggiore, a large, d...
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Nuan Yang, Guangcai Wang, Zheming Shi, Dan Zhao, Wanjun Jiang, Liang Guo, Fu Liao and Pengpeng Zhou
Groundwater is a critical water resource for human survival and economic development in arid and semi-arid areas. It is crucial to understand the groundwater circulation and hydrochemical evolution for sustainable management and utilization of groundwate...
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Anna Visconti, Rossana Caroni, Ruth Rawcliffe, Amedeo Fadda, Roberta Piscia and Marina Manca
Functional-based approaches are increasingly being used to define the functional diversity of aquatic ecosystems. In this study, we proposed the use of d13C and d15N stable isotopes as a proxy of zooplankton functional traits in Lake Maggiore, a large, d...
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Rebecca Hood-Nowotny, Andrea Watzinger, Anna Wawra and Gerhard Soja
Field studies of biochar addition to soil and nutrient cycling using 15N fertilizers in temperate agriculture are scant. These data are required in order to make evidence based assessments. This study was conducted to test the hypothesis that biochar app...
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John Bershaw
Deuterium excess (d-excess) is a second-order stable isotope parameter measured in meteoric water to understand both the source of precipitation and the evolution of moisture during transport. However, the interpretation of d-excess patterns in precipita...
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