Article
Environmental Sciences
Jingyan Chen, Jingchun Liu, Hualong Hong, Shichu Liang, Weiwei Zhao, Hui Jia, Haoliang Lu, Junwei Li, Chongling Yan
Summary: Coastal reclamation has created additional land for economic development, but also caused pollution and posed threats to sustainable development. This study investigated the distribution patterns, geochemical speciation, and ecological risks of heavy metals in sediment samples from reclaimed and non-reclaimed tidal flats. The results showed higher metal pollution levels in reclaimed sediments, and the presence of Spartina alterniflora could accelerate the deposition and transfer of metal pollutants caused by reclamation.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
Teng Wang, Baojie Li, Wenwen Yu, Xinqing Zou
Summary: The research revealed low abundance of microplastics in the Jiangsu Coastal Area, with a distribution trend of high near shore and low far shore, and the most severe pollution in the southernmost part. Clothing fibers were identified as the main source in the northernmost and southernmost regions, while decomposition of hard, large plastic waste was the major source type in the middle region.
MARINE POLLUTION BULLETIN
(2021)
Article
Geosciences, Multidisciplinary
Yu Yan, Rui-an Wan, Rui-lian Yu, Gong-ren Hu, Cheng-qi Lin, Hua-bin Huang
Summary: Metal(loid)s in mangrove sediments pose ecological risks, particularly Hg and Cd. Source-specific ecological risk assessment identified natural, industrial, aquacultural, and agricultural sources of metal(loid)s. Natural sources dominated total metals, while aquacultural source significantly contributed to Hg and Cd ecological risk. Nemerow integrated risk index showed moderate ecological risks. The study emphasizes the importance of source-specific ecological risk assessment for targeted environmental management.
Article
Environmental Sciences
Jing Wang, Yijia Zheng, Yi Li, Yingbin Wang
Summary: This study analyzed the concentration of heavy metals in surface seawater in the Zhoushan fishing ground during the wet and dry seasons. Four potential sources of heavy metal pollution were identified using a positive matrix factorization model and correlation analysis. The health risk assessment revealed that the non-carcinogenic risk for adults and children was acceptable, and the carcinogenic risk was at a low level. Industrial and traffic sources were found to be the main contributors to pollution.
MARINE POLLUTION BULLETIN
(2023)
Article
Environmental Sciences
M. K. Khadanga, R. K. Mishra, B. K. Sahu
Summary: This study evaluates the ecological risk index of heavy metals in the surface sediments along the coastal environment of the Bay of Bengal between 2011 and 2012. The results show that the creek sediment is more heavily polluted than the estuary ecosystem and that Cd, Cr, Cu, Ni, Pb, and Cd concentrations pose potential toxicity to aquatic organisms. This study provides important information on the impact of heavy metals in the ecosystem of the region.
JOURNAL OF ENVIRONMENTAL INFORMATICS
(2022)
Article
Engineering, Environmental
Qisheng Xu, Jinman Wang, Wenting Shi
Summary: The properties and sources of soil heavy metals were analyzed using two receptor models in China. The study found that mine and traffic sources were the most polluted, with Cd posing the highest risk. The PMF model was more effective in evaluating soil heavy metal pollution.
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
(2023)
Article
Biodiversity Conservation
Huan Zhang, Aijing Yin, Xiaohui Yang, Manman Fan, Shuangshuang Shao, Jingtao Wu, Pengbao Wu, Ming Zhang, Chao Gao
Summary: Quantitative estimations of soil heavy metal sources and spatial distribution are crucial for policy-making. The study identified natural and anthropogenic sources, agricultural activities, and human emissions as major contributors to heavy metals in reclaimed coastal lands. Additionally, a close relationship between soil Cd and phosphorus in reclaimed soils signifies potential risks of Cd contamination.
ECOLOGICAL INDICATORS
(2021)
Article
Environmental Sciences
Qiang Liang, Kang Tian, Ling Li, Yue He, Tiantian Zhao, Benle Liu, Qiumei Wu, Biao Huang, Ling Zhao, Ying Teng
Summary: An accurate understanding of soil heavy metal pollution and the major factors influencing risks are crucial for pollution control and remediation. This study collected and analyzed soil samples from cropland soils near an e-waste dismantling site. The results showed that e-waste dismantling activities, natural sources, and atmospheric deposition were the main sources of heavy metals. The study also highlighted the significant contribution of e-waste dismantling activities to noncarcinogenic risk. Overall, this research provides important data for environmental remediation of soil pollution.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2022)
Article
Environmental Sciences
Lixia Niu, Jiayi Li, Xiangxin Luo, Tao Fu, Ou Chen, Qingshu Yang
Summary: After long-term reclamation, the Modaomen estuary of the Pearl River Delta suffered from moderate-to-high pollution status due to enriched accumulation of heavy metals like Cr, Zn, Pb, Cu, Cd, and Ni, with Cd being a major concern for ecosystem health. Receptor models quantified the sources and contributions of these heavy metals, highlighting the importance of controlling metal input and managing sediment quality in the estuary.
ENVIRONMENTAL POLLUTION
(2021)
Article
Oceanography
Jian Fang, Min Xu
Summary: This study presents an ecological risk assessment method for the coastal zone in Jiangsu, China, based on the risk causal law, and evaluates different ecological receptors. The results demonstrate that the response of ecological entities to disturbances varies with the risk source.
OCEAN & COASTAL MANAGEMENT
(2023)
Article
Engineering, Environmental
Xianghui Cao, Wei Li, Shuai Song, Chenchen Wang, Kifayatullah Khan
Summary: The goal of this study was to identify the priority control pollutants and hotspots of heavy metal contamination in the Yuqiao Reservoir catchment. An integrated field investigation was conducted to analyze the major elements in the soils and various indices were used to assess the contamination status. The results showed that cadmium, chromium, lead, and arsenic were prominently enriched. Human activities were the main sources of these heavy metals.
ENVIRONMENTAL GEOCHEMISTRY AND HEALTH
(2023)
Article
Geosciences, Multidisciplinary
Tao Zhang, Mingguo Wang, Guoliang Bai, Jinwei Liu, Peng Li, Yi Zhang, Shibin Xia
Summary: The study reveals higher levels of heavy metals in the soil near Ranwu Lake compared to the sediment. The main sources of these heavy metals are both anthropogenic activities, such as vehicle emissions and mining, as well as natural factors. Evaluating and analyzing the sources and risks of these heavy metals is crucial for protecting the water and soil resources of the lake.
Article
Engineering, Environmental
Zhaotong Fang, Chunyu Hua, Jingyu He, Mengyuan Zhu, Yueru Tian, Xian Yong, Lijun Ren
Summary: This study analyzed the content of heavy metals in surface soils in the lower reaches of Huangshui River basin. The results showed that Cd, Co, and Cr exceeded the standard values in a significant proportion of samples. The analysis also revealed the sources of heavy metals and the health risk associated with them.
STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT
(2023)
Article
Green & Sustainable Science & Technology
Junyu Zou, Zefeng Song, Kui Cai
Summary: The study revealed that haze in Shijiazhuang city mainly originates from coal combustion, industrial processes, and vehicle exhausts, while heavy metal concentrations in soil pose varying risks to children's health and the ecological environment.
Article
Environmental Sciences
Yuanyuan Niu, Fang Wang, Songmin Liu, Wenjie Zhang
Summary: Indoor and outdoor air particulate samples were collected in a canteen at NJUST, with findings showing over half of PM2.5 penetrating from outdoors. Analysis revealed elevated levels of As, Mn, and Cd in the canteen, originating from sources like cooking, fuel combustion, and transportation. Enrichment factor analysis linked excessive As in the canteen to outdoor air infiltration and cooking practices.
ATMOSPHERIC ENVIRONMENT
(2021)
Article
Environmental Sciences
Atefeh Zendehboudi, Azam Mohammadi, Sina Dobaradaran, Gabriel E. De-la-Torre, Bahman Ramavandi, Seyed Enayat Hashemi, Reza Saeedi, Emran Moradpour Tayebi, Ahmad Vafaee, Amirhossein Darabi
Summary: This study investigated the characteristics and ecological risks of microplastics (MPs) in ballast water for the first time, and found high levels of MP pollution. These findings contribute to our understanding of the sources and risks of microplastics in marine ecosystems.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Rose Boahemaa Pinto, Linda Bogerd, Martine van der Ploeg, Kwame Duah, Remko Uijlenhoet, Tim H. M. van Emmerik
Summary: Catchment-scale plastic pollution assessments provide insights into the sources, sinks, and pathways of plastic pollution. We propose an approach to quantify macroplastic transport and density in the Odaw catchment, Ghana, and find that the urban riverine zone has the highest transport, while the urban tidal zone has the highest riverbank and land macroplastic density.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Aliya Baidourela, Qian Sun, Gongxin Yang, Umut Halik, Zhongkai Dong, Kaixu Cai, Guili Sun, Wenya Zhang, Sisi Cheng
Summary: The study focused on heavy metal pollution in the green vegetation of a suburban industrial area in Tuokexun County, Xinjiang, China. The results showed that the overall level of heavy metal pollution in the soil was minor, with mercury (Hg) being the most severe contamination, likely caused by human activities. The composition of heavy metal elements in trees was more stable compared to grass and shrubs, with varying concentrations across different vegetation. Shrubbery was found to be the most effective in heavy metal restoration, and there were disparities in heavy metal enrichment among different vegetation types.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
James H. Bridson, Hayden Masterton, Beatrix Theobald, Regis Risani, Fraser Doake, Jessica A. Wallbank, Stefan D. M. Maday, Gavin Lear, Robert Abbel, Dawn A. Smith, Joanne M. Kingsbury, Olga Pantos, Grant L. Northcott, Sally Gaw
Summary: Plastic pollution has significant environmental impacts, largely due to chemical additives. However, the behavior of plastic additives in marine environments is not well understood. A marine deployment experiment was conducted to investigate the effects of weathering on the extractables profile of four types of plastics in New Zealand over a period of nine months. The concentration of additives in polyethylene and oxo-degradable polyethylene was strongly influenced by artificial weathering, while polyamide 6 and polyethylene terephthalate showed minimal change. These findings emphasize the importance of considering leaching and weathering effects on plastic composition when assessing the potential impact and risk of plastic pollution in receiving environments.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Alan G. Scarlett, Francis D. Spilsbury, Steven J. Rowland, Marthe Monique Gagnon, Kliti Grice
Summary: This study used diamondoid hydrocarbon distributions to identify the sources of environmental oil contamination. A suite of 20 diamondoids was found to accumulate in fish adipose tissue. The scatter plots of indices between fish and exposure oils showed a close to ideal 1:1 relationship, which can be used to determine the origin of the oil.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Shan Jiang, Mengmeng Wan, Kun Lin, Yanshan Chen, Rui Wang, Liju Tan, Jiangtao Wang
Summary: In this study, the concentration, composition, distribution, and sources of PCBs in surface seawater of the Bohai Bay were analyzed. The results showed that PCBs in the Bohai Bay had high concentrations and were primarily derived from land-based sources such as port activities and river inputs. The PCBs in the Bohai Bay may come from commercial PCBs and their incineration products, municipal landfills, wood and coal combustion, and industrial activities, etc.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Icaro S. A. Porto, Saulo V. A. Dantas, Caio S. A. Felix, Francisco A. S. Cunha, Jailson B. de Andrade, Sergio L. C. Ferreira
Summary: This study evaluated the risks of mercury levels in sardines consumed by low-income population in Salvador, Brazil. The results showed that the mercury content in the sampled sardines posed no risks to human health. This study is significant as most sardines in Salvador come from Todos os Santos Bay, which has a history of mercury contamination.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Jiahui Chen, Chengyu Yuan, Guanqun Zhai, Guangcheng Chen, Heng Zhu, Jun Liu, Yong Ye
Summary: This study investigated the combined influences of species selection and site elevation on greenhouse gas fluxes from restored mangrove soils. The results suggest that Avicennia marina should be selected for mangrove restoration to minimize carbon release and reduce the influence of greenhouse gas fluxes on the global greenhouse effect.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Emmanuel Onyeabor, Uju Obuka
Summary: The Gulf of Guinea region in Africa is a significant area for coastal countries, playing a vital role in their economic and environmental development. This study aims to reduce marine plastic pollution in the region by utilizing legal instruments.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Yuanli Liu, Stephan Luttjohann, Alvise Vianello, Claudia Lorenz, Fan Liu, Jes Vollertsen
Summary: Large area attenuated total reflectance-Fourier transform infrared spectroscopy (LAATR-FTIR) is a novel technique for detecting small microplastics, with limited accuracy for large microplastics. However, it shows promise in homogeneous matrices. The spectra quality is comparable between transmission mode and LAATR mode.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Phuc T. D. Le, Andrew M. Fischer, Britta D. Hardesty, Heidi J. Auman, Chris Wilcox
Summary: This study explores the relationship between ocean currents and the accumulation of floating marine debris (FMD) and finds that higher concentrations of FMD are associated with frontal frequencies (FF). FMD is primarily trapped in accumulation zones between fronts and the coastline, which have high biodiversity value.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Rosa Sawan, Perine Doyen, Florence Viudes, Rachid Amara, Celine Mahfouz
Summary: Few studies have examined the impact of urbanization and meteorological events on microplastics discharged into the sea through rivers. Surface water samples were collected from two Lebanese rivers, with differing degrees of urbanization, during dry and wet periods. The results showed that the most industrialized river had a significantly higher abundance of microplastics compared to the less-industrialized river. There was also a correlation between particle contamination and the season at each site, with microplastic concentrations highest on the first day of the wet season. These findings highlight the importance of considering meteorological events in accurately assessing plastic pollution influx into coastal waters.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Katherine R. Shaw, Jonathan L. Whitney, Eileen M. Nalley, Madeline C. Schmidbauer, Megan J. Donahue, Jesse Black, Raquel N. Corniuk, Kellie Teague, Rachel Sandquist, Catherine Pirkle, Rachel Dacks, Max Sudnovsky, Jennifer M. Lynch
Summary: This study examines the ingestion of plastic in reef fish in the Republic of the Marshall Islands. Plastic particles were found in the gastrointestinal tracts of multiple fish species. However, further analysis revealed that these particles were actually natural materials and posed no threat to human consumers.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Revati Hardikar, C. K. Haridevi, Shantaj Deshbhratar
Summary: This study investigated the variability in phytoplankton functional structure using a trait-based approach and explored the relationship between species traits and environmental factors, as well as their impact on ecosystem functioning. The results revealed that morphological traits, temperature, and ammonia played a decisive role in the seasonal succession of phytoplankton species. It was found that certain traits favored higher biomass production but might hinder energy transfer efficiency. The strong correlation between environmental variables and phytoplankton functional structure supports the practical implementation of a trait-based approach in studying phytoplankton community dynamics under different environmental conditions.
MARINE POLLUTION BULLETIN
(2024)
Article
Environmental Sciences
Engki A. Kisnarti, Nining Sari Ningsih, Mutiara R. Putri, Nani Hendiarti, Bernhard Mayer
Summary: This study examines the movement patterns of plastic marine debris in Indonesian waters, revealing that Indonesia contributes significantly to transboundary marine debris in the Pacific Ocean, Indian Ocean, and the South China Sea. Most of the debris remains in Indonesian waters and moves back and forth due to the influence of monsoon currents.
MARINE POLLUTION BULLETIN
(2024)