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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. Variable Training set No. samples No. taxa Anion ratio (Alk / (Cl + SO4)) Combined salinity dataset 333 356 Conductivity African dataset 270 479 Conductivity East African dataset 179 332 Conductivity North African dataset 91 289 Conductivity Combined salinity dataset 370 604 Conductivity Spanish saline lake dataset 71 203 pH ALPE mountain lake dataset 118 332 pH Norwegian dataset 96 277 pH Finnish dataset 67 284 pH Combined pH dataset 622 652 pH Combined salinity dataset 366 603 pH SWAP dataset 174 381 pH Swedish dataset 118 214 Total organic carbon Combined pH dataset 388 536 Total phosphorus Central European dataset 85 207 Total phosphorus Northern Irish dataset 54 163 Total phosphorus NW Europe dataset 163 333 Total phosphorus Southern England dataset 26 201 Total phosphorus Swiss dataset 69 181 Total phosphorus Combined TP dataset 477 345