Assessing water quality by ratio of the number of dominant bacterium species between surface/subsurface sediments in Haihe River Basin

Ke, Xin; Wang, Chunyong; Jing, Debing; Yun, Zhang; Zhang, Haijun

doi:10.1016/j.marpolbul.2015.06.003

Cited by 6 publications

(2 citation statements)

References 37 publications

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“…Since the passage of CWA, biomonitoring has become an essential component for monitoring the ecological integrity and condition of watersheds [22] and bioindicators developed to serve as tools for assessing attainment of and adherence to water quality standards [10]. Bioindicators developed for wetland sediments are particularly sensitive in detecting ecological changes in watersheds [23,24] and for conducting sediment risk assessments from pollutants such as metals or nutrients [25][26][27]. [30].…”

Section: Fig 1 Hierarchy Of Factors Affecting the Characterization mentioning

confidence: 99%

Relationships between land use, predicted pollution loadings, and ecotoxicological assays in constructed wetlands

Roy¹,

Ehlinger²

2020

RJEEC

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Environmental degradation related to uncontrolled development resulted in the passage of the United States Clean Water Act (CWA) in 1972, with the stated purpose “to restore and maintain the integrity of the nation’s waters”. Implementation of the CWA leads to increased research to develop multimetric indicators to better measure and understand the complex patterns of ecological responses to stress occurring across levels of biological, spatial, and temporal organization. One area of research is the use of integrated indices of chemical risk, ecotoxicological risk, and ecological risk to assess the impact of human activity across disturbance gradients of urbanization. Selecting relevant metrics for constructing a multimetric index requires identifying bioindicator organisms with capacities to detect signals from anthropogenic disturbances. This study explored the potential efficacy of a suite of higher plant ecotoxicological assays for use as bioindicators in ecological risk assessment along a gradient of urbanization in a wetland ecosystem. The study was conducted in the Pike River watershed (Racine, Wisconsin, USA) in six wetlands selected across a gradient of dominant land-use types (agricultural, commercial, residential, undeveloped, and industrial). MicroBioTest PhytotoxkitTM ecotoxicological assays, based on growth inhibition of three plants (Sinapis, Sorghum, and Lepidium) were used to assess sediment toxicity. The relationships between Phytotoxkit™ responses and predicted pollutant loadings calculated from surrounding land use provided clear signals of stress from watershed pollutants draining into the wetland sites. The potential for these ecotoxicological indicators to serve as biological response signatures is strong, and further research and calibration in field and microcosms studies will assist in calibrating responses for use in integrated monitoring efforts.

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Section: Fig 1 Hierarchy Of Factors Affecting the Characterization mentioning

confidence: 99%

Relationships between land use, predicted pollution loadings, and ecotoxicological assays in constructed wetlands

Roy¹,

Ehlinger²

2020

RJEEC

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“…Sewage is an excellent breeding ground for microorganisms, and most disease-causing bacteria grow in this wet environment of the sewage, which lead to bacteria growth on many filtration materials [2]. If the filter is not thoroughly disinfected, the residual pathogenic bacteria would harm people's health [3], and cause the decline of people's resistance and even lead to death [4,5]. Hence, researchers are increasingly trying to reduce microbial pollution in sewage [6,7].…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Characteristics of a Fish Scale-Based Biochar–Nanosilver Antibacterial Material

Zhang

2023

Processes

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Microbial contamination has caused various diseases via pathogenic bacteria, endangering people’s lives every day. Recently, increasing attention has been paid to the exploration of new and effective antibacterial materials. In this paper, we attempted to synthesize a fish scale charcoal nanosilver antibacterial composite using waste fish scale as a carbon substrate. X-ray diffraction, Fourier-transform infrared spectroscopy, thermogravimetry-differential scanning calorimetry, and scanning electron microscopy showed that the structure of the nanosilver fish scale material formed and the nanosilver particles formed account for 72.1% of the silver element. Its antibacterial ability against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa was examined using the plate counting method and inhibition zones; the maximum inhibition zone was 32 mm. The antibacterial rate could reach >99.9%, indicating that this prepared material had excellent antibacterial activity. After 20 batches of bacteriostasis, the bacteriostasis rate was more than 90%, indicating that the fish scale/silver composite had sustained antibacterial ability and excellent antibacterial reusability. Finally, potential antibacterial mechanism was proposed. Overall, the fish scale/silver composite has a good application prospect and a wide range of applications in the handling of microbial pollution in the future.

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Applicability of Runoff Simulation in the Zhanghe Upstream Based on SWAT Model

Yu-zhuang

2019

Sustainable Development of Water Resources and Hydraulic Engineering in China

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Assessing water quality by ratio of the number of dominant bacterium species between surface/subsurface sediments in Haihe River Basin

Cited by 6 publications

References 37 publications

Relationships between land use, predicted pollution loadings, and ecotoxicological assays in constructed wetlands

Relationships between land use, predicted pollution loadings, and ecotoxicological assays in constructed wetlands

Synthesis and Characteristics of a Fish Scale-Based Biochar–Nanosilver Antibacterial Material

Applicability of Runoff Simulation in the Zhanghe Upstream Based on SWAT Model

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