European Diatom Database
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Environmental reconstructions

The table below gives a list of transfer functions available in EDDI. You can either perform a reconstruction on-line or you can download the training sets and software and do the reconstructions on your own PC. Please refer to the EDDI user guide for instructions on how to perform a reconstruction and interpret the output.
  • Perform a reconstruction on-line
  • Download software
  • Download user guide


  • List of EDDI transfer functions.
    Click on a transfer function to view details.
    VariableTraining setNo. samplesNo. taxa
    Anion ratio (Alk / (Cl + SO4))Combined salinity dataset333356
    ConductivityAfrican dataset270479
    ConductivityEast African dataset179332
    ConductivityNorth African dataset91289
    ConductivityCombined salinity dataset370604
    ConductivitySpanish saline lake dataset71203
    pHALPE mountain lake dataset118332
    pHNorwegian dataset96277
    pHFinnish dataset67284
    pHCombined pH dataset622652
    pHCombined salinity dataset366603
    pHSWAP dataset174381
    pHSwedish dataset118214
    Total organic carbonCombined pH dataset388536
    Total phosphorusCentral European dataset85207
    Total phosphorusNorthern Irish dataset54163
    Total phosphorusNW Europe dataset163333
    Total phosphorusSouthern England dataset26201
    Total phosphorusSwiss dataset69181
    Total phosphorusCombined TP dataset477345