Validation of a diatom-based index of water quality confirms its utility in monitoring of the Lake Erie's nearshore area

Hazuková, Václava; Johansen, Jeffrey R.; Sgro, Gerald V.

doi:10.1016/j.jglr.2018.10.004

Cited by 3 publications

(4 citation statements)

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“…The informal settlements without sanitary infrastructure aggravate the deterioration of water quality in urban water sources [ 67 ]. The water quality index, conducted by using the planktonic diatom index (PDI) for monitoring the Lake Erie’s nearshore pelagic zone, provides a robust assessment of water quality [ 68 ]. The collected water sample should be adequately analyzed as it gives full information about the diatom habitat and its environment.…”

Section: Understanding Diatoms: Isolation and Investigationsmentioning

confidence: 99%

Diatoms recovery from wastewater: Overview from an ecological and economic perspective

Saxena

Tiwari

Kaushik

et al. 2021

Journal of Water Process Engineering

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Section: Understanding Diatoms: Isolation and Investigationsmentioning

confidence: 99%

Diatoms recovery from wastewater: Overview from an ecological and economic perspective

Saxena

Tiwari

Kaushik

et al. 2021

Journal of Water Process Engineering

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“…Numerous studies have shown that the relationships between different diatom indices and environmental variables vary widely from very weak to strong in different regions, which may be due to the different environmental factors or nutrient gradients used in the establishment of each index. The TDIL was highly correlated with TP in the relevant study of Irish lakes [40], the PDI also showed different correlations with TP concentrations in different areas in the evaluation of Lake Erie, and PDI scores were not significant in predicting TP in the western basin [17]. In this study, the low correlation between the TDIL, PDI, and TP may be due to the low concentration of TP in the Tangwang River Basin, which is much lower than the reference value of TP when the TDIL and PDI were established [41].…”

Section: Correlation Analysis Of Diatom Index and Environmental Factorsmentioning

confidence: 89%

“…In our previous study, we also evaluated the aquatic ecological status of the Wutong River Basin using the BD-IBI constructed based on the BDI, DSIAR, and other biological indicators [16]. Numerous studies have shown that it is feasible to widely use the diatom index for water ecological health assessment in China [12], but it is worth noting that the diatom index sometimes shows different adaptability in different regions [17,18]. The diatom index will show different effects when used in different regions due to the differences in flora in different regions and environmental differences that change the response of species to water quality characteristics [19].…”

Section: Introductionmentioning

confidence: 99%

Exploration of Applicability of Diatom Indices to Evaluate Water Ecosystem Quality in Tangwang River in Northeast China

Xue,

Wang,

Zhang

et al. 2023

Water

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The diatom index has been widely used in the evaluation of water ecological quality, but the applicability of the diatom index often varies in different study areas. The accuracy of the evaluation results depends on the applicability of the diatom index, especially when it is not applied to the place where it is created. In order to screen out the diatom index suitable for the evaluation of the water ecological quality of Tangwang River in northeast China, and to identify the factors affecting the accuracy of the diatom index, the community structure and water environment characteristics of 24 sample sites were investigated in Tangwang River in August 2018, and 18 diatom indices were calculated. The discriminative ability of diatom indices was analyzed using the box plot method, and the factors affecting the accuracy of the diatom index were identified by combining Pearson and Spearman correlation analyses. The results show that the discriminability of the Biological Diatom Index (BDI), Specific Pollution Sensitivity Index (IPS), Idse Leclercq (IDSE), Indice Diatomique Artois Picardie (IDAP), Diatom Eutrophication Pollution Index (EPI-D), Trophic Index (Rott TI), European Economic Community Index (CEE), and Watanabe Index (WAT) was the strongest, which could reasonably distinguish the reference group from the lightly damaged group. In general, the water ecological condition of Tangwang River Basin is good in the wet season, and the water ecological quality of about 80% of the sample sites was “moderate” or better. The main factors affecting the evaluation accuracy of the diatom index in Tangwang River Basin are the correlation strength between the diatom index and habitat quality, organic pollution, and nutrients. The coverage of diatom index species had no significant effect on the accuracy of evaluation. In order to reasonably evaluate the aquatic ecological status, it is recommended to use the diatom index, which has a good correlation with the environmental factors in the study area, or to establish a new diatom index based on the diatom community and environmental factors in the study area.

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“…A scholar used the PRIMER software package to study the temporal and spatial changes of the community structure of benthic microeukaryotes, ciliates and dinoflagellates in seagrass beds through non-metric multidimensional scaling (NMDS) analysis, and found that benthic microeukaryotes, ciliates and beetles. The samples in the algal grass area are grouped into one group, and the samples in the grass-free area are grouped into a group, indicating that the community structure in the grass area and the grass-free area is different [2]. A scholar sampled protists on the surface of hot springs, and the relative abundance of each group in the sample points showed that there were many types of dominant groups of protists in surface sediments, including ciliates, sporozoites, Filopoda and flagellates [3].…”

Section: Introductionmentioning

confidence: 99%

The Monitoring of Sediment Protists in Lake and River Basins Based on Digital Holographic Microscopy

2020

AJEB

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The community structure of protists reflects the environmental conditions during the period when the living environment was sampled. Biodiversity index, species composition and abundance can reflect various changes in the environment, indicating the quality of water quality during this period. Protists are ideal target species for environmental monitoring and can be used as indicator organisms. However, due to the few morphological characteristics of protists, they are easily affected by environmental pollutants and change their own form. The manual monitoring method has the possibility of human error, and long-term monitoring requires a lot of time and energy. The work caused great difficulties. Therefore, a monitoring technology that can efficiently monitor the protist community has important application value for environmental monitoring and biodiversity conservation. The digital holographic microscopic imaging technology has the characteristics of three-dimensional imaging, and can observe the community structure of protists. In this paper, this technology is used to monitor the community of protists in the sediments of the lake and river basins. Quantitative sequencing technology was used to analyze the diversity of protists, and the calculated alpha diversity index of the protist community was used to reflect the quality of water quality.

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Validation of a diatom-based index of water quality confirms its utility in monitoring of the Lake Erie's nearshore area

Cited by 3 publications

References 58 publications

Diatoms recovery from wastewater: Overview from an ecological and economic perspective

Diatoms recovery from wastewater: Overview from an ecological and economic perspective

Exploration of Applicability of Diatom Indices to Evaluate Water Ecosystem Quality in Tangwang River in Northeast China

The Monitoring of Sediment Protists in Lake and River Basins Based on Digital Holographic Microscopy

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