![]() As expected for acidic, low-mineralization waters the genera with the highest number of taxa were Eunotia and Pinnularia, followed by Encyonema, Cymbopleura, Gomphonema, and Nitzschia. In total, 86 diatom taxa, belonging to 35 genera, were found. Diatoms were found to dominate in terms of numbers of taxa, followed by desmids, cyanoprokaryotes and filamentous green algae. The sampled sites cover a rather wide pH and TDS content gradient with very low nitrate and silica values. Five shallow pools within different mountain mires were sampled in summer 2005 and morphologically and physicochemically characterized. ![]() Our objective was to study diatoms in stations representative of the main typologies in the Site of Community Importance IT3230060 "Danta Mires", also to produce data for a management plan in the frame of a Life Project. They have, however, been threatened by different types of impacts. Mires are very selective habitats, and the colonisation by specifically adapted organisms makes them very important both for nature conservation and environmental education.
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