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Fig. 4


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Compositional algae beta-diversity (1st axis of DCCA) and changes of mineral matter content during the last 2000 years individually for each studied site: (from top) Lake Ķikuru, Lake Āraišu, Lake Lilastes, Lake Trikātas, Lake Lielais Svētiņu. The period division follows the Latvian historical periodisation according to Graudonis (2001) and Vasks et al., (1999).

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