Table 1 Forest metrics developed for various conservation applications in previous studies and those presented in this paper (lower two rows).
From: Global humid tropics forest structural condition and forest structural integrity maps
Forest Characteristic | Input forest metrics | Data source | Extent, resolution | Reference |
|---|---|---|---|---|
Forest extent | Forest presence | AVHRR | Africa, 1 km | Tucker et al.40 |
AVHRR | Global, 1 km | Loveland et al. 41 | ||
Forest Intactness | Forest presence | AVHRR | Global, 1 km | Bryant et al.42 |
Human footprint | Various | Wade et al.43 | ||
Forest loss/gain | Forest presence threshold | NOAA 7 | Amazonia, 1 km | Woodwell et al.44 |
Landsat | Amazonia, 30 m | Skole and Tucker45 | ||
Forest presence threshold Canopy cover (%) | Landsat | Global, 30 m | Hansen et al.25 | |
Forest stature | Canopy height | GLAS | NW US, 15 km samples | Lefsky46 |
GLAS Landsat | Sub-Saharan Africa, 30 m | Tyukavina et al.27 Hansen et al.26 | ||
Large intact landscape | Canopy cover (%), Canopy change threshold | MODIS | Global, 30 m | Potapov et al.47 |
Hinterland forest | Human pressure Edge distance Patch size | Landsat | Global, 30 m | Potapov et al.48 Tyukavina et al.49 |
Forest Structural Condition Index | Tree cover (%), Loss Year Canopy height | Landsat GLAS | Humid tropics, 30 m | This paper |
Forest Structural Integrity Index | Structural Condition Index Human Footprint | Landsat GLAS Various | Humid tropics, 30 m | This paper |
