Textfiles:
  Behavior_escape.txt and CTmax_tolerance.txt are based on laboratory observations.
  NMR_sumnorm.txt; NMR_CH3_norm.txt and NMR_ratios.txt are based on the spectra in NMR_1Dspectra. 
  Sample IDs, treatments and origins can be seen in sample_overview.txt.
  picodata_tempcelcius.txt is based on temperature data downloaded from weather stations in: 
    GOBABIS; GROOTFONTEIN; WINDHOEK; TSUMEB; GHANZI; SWAKOPMUND; ONDANGWA; TSHANE; SHAKAWE; 
    MAUN; MAHALAPYE; DIKGATLONG; MARNITZ; THABAZIMBI; FRANCISTOWN; GABORONE; S.S.K.A; 
    WARMBATHS-(TOWOOMBA); KOPJE-ALLEEN; TULI-ESTATE.
NMR_1Dspectra:
  1D NMR spectra of the samples given in sample_overview.txt.
NMR_2Dspectra:
  2D NMR spectra of the samples given in sample_overview.txt.