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[This corrects the article DOI: 10.1186/s12983-017-0227-8.].
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http://dx.doi.org/10.1186/s12983-018-0253-1 | DOI Listing |
Environ Pollut
September 2025
State Key Laboratory of Loess Science, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, 710061, China. Electronic address:
This study investigates the vertical profiles, pollution status and ecological risks of heavy metal(loid)s contamination in three sediment cores (N21, N03, and 38002) from the North Yellow Sea (NYS), with a focus on the influence of grain size effects on sedimentary profiles. The results revealed distinct vertical distribution patterns of heavy metal(loid)s content among the three sediment cores. Enrichment Factor (EF) and Geo-accumulation Index (I) assessments identified Sb as significantly enriched, indicating anthropogenic influence, whereas Co, Cr, Cu, Ni, and Zn primarily originated from natural weathering.
View Article and Find Full Text PDFInt J Radiat Biol
September 2025
Department of Geography, Nara Women's University, Nara, Japan.
Purpose: The number of oxygen vacancies in quartz measured by electron spin resonance (ESR) as the intensity of the E' center has been used to investigate the provenance of the sediments and has been found to be a good proxy in discussing the direction and intensity of the wind system in the past. While its temporal variations have been examined using marine sediments. The present study aimed to show that terrestrial sediments are also useful for such studies on climate change when it is continuous.
View Article and Find Full Text PDFNat Commun
September 2025
Shimoda Marine Research Center, University of Tsukuba, Shizuoka, Japan.
Since Hans Driesch's pioneering work in 1891, it has been known that animal embryos can develop into complete individuals even when divided. However, the developmental processes and molecular mechanisms enabling this self-organization remain poorly understood. In this study, we revisit Driesch's experiments by examining the development of isolated 2-cell stage blastomeres in the sea urchin, Hemicentrotus pulcherrimus.
View Article and Find Full Text PDFMar Environ Res
August 2025
Department of Environmental Oceanography, Chonnam National University, Yeosu, South Korea; Fishery Resource Management Research Institute based on ICT, Chonnam National University, Yeosu, South Korea; Department of Ocean Integrated Science, Chonnam National University, Yeosu, South Korea. Electronic
Accurate estimation of zooplankton biomass remains challenging due to species-specific acoustic signatures and sampling biases. This study evaluated zooplankton abundance and biomass across acoustically defined layers and assessed the consistency between biomass estimates derived from net sampling and acoustic methods. Zooplankton samples were collected using the Multiple Opening/Closing Net and Environmental Sampling System (MOCNESS) in higher signal scattering layers (HSLs) and lower signal scattering layers (LSLs), with acoustic signals verified using a scientific echosounder (38 and 200 kHz).
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