CO2 collected in vaccuum line and measured quantitatively. CO2 then analysed for del 13C value with isotope ratio mass spectrometer. Variable Variable descrip. Results are reported versus PDB as a standard. George Kling or Brian Fry, MBL, Woods Hole, MA 02543.
All data are in free field format with variables separated by blank spaces.
All other variables are numeric. Added column headings to quattro file.