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Article title
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Abstract
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Key Words
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Introduction
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Materials and methods
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Site selection and sampling
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Sample preservation methods
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Storage duration and DNA extraction
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DNA quality and quantity
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PCR amplification and sequencing
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Bioinformatics
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Statistical analyses
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Diatom indices calculation
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Data availability
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Results
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DNA quality and quantity
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Diatom assemblage diversity
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Diatom assemblage composition
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Ecological quality index for freshwater sites
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Discussion
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Conclusion and perspectives
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Acknowledgements
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References
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Supplementary materials