<style face="normal" font="default" size="100%">The contribution of headwater streams to biodiversity in river networks</style>

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<style face="normal" font="default" size="100%">The contribution of headwater streams to biodiversity in river networks</style>

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17

<style face="normal" font="default" size="100%">The impact of extremely low frequency electromagnetic fields on stream periphyton: an eleven-year study</style>