European Diatom Database
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Dataset information

Danish TP dataset

EDDI dataset codeDK
Dataset typeTP
Number of samples28
Collection date1991
ContributorJohn Anderson
ContactJohn Anderson

This dataset includes 28 relatively small, shallow lakes from Denmark. All sites are lowland, alkaline and nutrient-rich. Surface sediment samples were collected during 1991 and diatoms were counted by John Anderson. The Danish data set is not published but is based on the Water Environment Survey lakes (Kristensen et al., 1991). These sites form part of a larger training set used to develop a NW European diatom-total phosphorus inference model (Bennion et al., 1996). Palaeolimnological studies have been undertaken at a number of these sites (Anderson & Odgaard, 1994; Bennion et al., 1996a).

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  • Summary of environmental data for this dataset:
    VariableUnitsNMinMaxMean
    Alkalinityeq/l2887052602670
    Chloraphyll-ag/l28935191.5
    ConductivityS/cm10294782440
    Maximum depth of lakem281.537.77.8
    pHpH units287.859.458.42
    Secchi depthm280.323.51.33
    Silicamg/l280.538.263.37
    Total K nitrogeng/l2897088403871
    Total phosphorusg/l28271189230
    Water depth of diatom samplem281.537.77.8