Table 2 Field assessment of remotely collected palm data
From: Landscape disturbance impacts on Attalea butyracea palm distribution in central Panama
Total field sample (n = 86) | ||||
|---|---|---|---|---|
Remotely sensed A. butyracea | ||||
YES | NO | Total | ||
Field-verified A. butyracea | YES | 40 | 15 | 55 |
NO | 10 | 21 | 31 | |
Total | 50 | 36 | 86 | |
Sensitivity: 0.73 Specificity: 0.68 aPPV: 0.8 bNPV: 0.58 | ||||
Pasture sample (n = 54) | ||||
|---|---|---|---|---|
Remotely sensed A. butyracea | ||||
YES | NO | Total | ||
Field-verified A. butyracea | YES | 25 | 3 | 28 |
NO | 9 | 17 | 26 | |
Total | 34 | 20 | 54 | |
Sensitivity: 0.89 Specificity: 0.65 aPPV: 0.74 bNPV: 0.85 | ||||
Canopy sample (n = 32) | ||||
|---|---|---|---|---|
Remotely sensed A. butyracea | ||||
YES | NO | Total | ||
Field-verified A. butyracea | YES | 15 | 12 | 27 |
NO | 1 | 4 | 5 | |
Total | 16 | 16 | 32 | |
Sensitivity: 0.56 Specificity: 0.8 aPPV: 0.94 bNPV: 0.25 | ||||