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124 page results for 'air pollution'

Natural eutrophic lakes with Magnopotamion or Hydrocharition-type vegetation

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European status and distribution Natural eutrophic lakes are now uncommon in the EU, due to pollution

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Active raised bogs

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Peatland in Northern Ireland has been classified and mapped using air photographs (Cruickshank & Tomlinson

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Oligotrophic to mesotrophic standing waters with vegetation of the Littorelletea uniflorae and/or of the Isoëto-Nanojuncetea

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was formerly present but is believed to have become extinct in the 1940s, possibly because of mining pollution

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Reefs

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subtidal but may extend as an unbroken transition into the intertidal zone, where they are exposed to the air

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