| DataCode | | Nominal | Dataset code |
| RecType | | Physical quantity | Record type |
| RecYear | | Physical quantity | Year of record |
| RecMonth | | Physical quantity | Month of record |
| RecDay | | Physical quantity | Day of record |
| Watershed | | Nominal | Watershed of treatment |
| SoilType | | Nominal | Soil type in which data were collected |
| SpeCode | | Physical quantity | Species code |
| Ab_genus | | Nominal | Abbreviation of genus |
| AB_species | | Nominal | Abbreviation of species |
| Ab_variety | | Nominal | Abbreviation of variety |
| P1 | | Code list | cover class in plot number 1 of transect |
| P2 | | Code list | cover class in plot number 2 of transect |
| P3 | | Code list | cover class in plot number 3 of transect |
| P4 | | Code list | cover class in plot number 4 of transect |
| P5 | | Code list | cover class in plot number 5 of transect |
| P6 | | Code list | cover class in plot number 6 of transect |
| P7 | | Code list | cover class in plot number 7 of transect |
| P8 | | Code list | cover class in plot number 8 of transect |
| P9 | | Code list | cover class in plot number 9 of transect |
| P10 | | Code list | cover class in plot number 10 of transect |
| P11 | | Code list | cover class in plot number 11 of transect |
| P12 | | Code list | cover class in plot number 12 of transect |
| P13 | | Code list | cover class in plot number 13 of transect |
| P14 | | Code list | cover class in plot number 14 of transect |
| P15 | | Code list | cover class in plot number 15 of transect |
| P16 | | Code list | cover class in plot number 16 of transect |
| P17 | | Code list | cover class in plot number 17 of transect |
| P18 | | Code list | cover class in plot number 18 of transect |
| P19 | | Code list | cover class in plot number 19 of transect |
| P20 | | Code list | cover class in plot number 20 of transect |
