Source: J. A. Tosi 1975)
Estimated area of vegetational cover classes by life zone:
LIFE ZONE TOTAL BARE HERBACEOUS BUSH FOREST
Km2
1. Tropical dry forest 2990 - 300 888 1802
2. Tropical moist forest 17640 176 171 582 16711
3. Subtropical thorn
woodland 1020 - 480 1440 -
4. Subtropical dry forest 6530 - 20 940 550
5. Subtropical moist
forest 39078 6615 176562 32401 174600
6. Subtropical basal belt 448328 6695 181505 38591 221558
7. Subtropical lower
montane thorn steppe 10610 140 6500 2950 20
8. Tropical lower
montane belt 34080 - - - 13313
9. Tropical montane belt 41260 8290 22362 4418 6190
10.Subtropical subalpine
belt 15188 70 14150 968 -
11.Subtropical alpine belt 3500 1540 1960 - -
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Source: EART-GEOBOL (1978)
Bolivia's vegetation:
1. TROPICAL LOW LAND EVEN GREEN:
Altitude: less than 500 m a.s.l.
Average precipitation( annual) 1300-2300 mm.
Average temperature: 25 degree celcius
Most often species:
Sangre de toro Virola Sp.
Palo Maria Callophyum brasitensis
La goma Hevea brasilensis
Castana Bertholletea exelsa
Mara Swietenia macrophylla
Ochoo Hura crepitans
2. SUBTROPICAL MOIST FOREST:
Altittude: 300-400 m a.s.l.
Avergae precipitation ( annual) 1200-2000 mm
Average temperature: 24 degree celcius
Species:
Mara Swietenia macrophylla
roble Amburana cearensis
3. LOW SEMI MOIST FOREST:
Altittude: 350-450 m a.s.l.
Average precipitation ( annual) 900-1200 mm
Average temperature 24 degree celcius
Species:
Mara Swietenia macrophylla
Roble Amburana cearensis
Morado Machaerium sp.
Cuchi Actioniun urundeiva
Plama de cusi Orbignya phalerata
Picara Cordia sp.
Soto Shinopsis sp.
4. MONTANE SEMI MOIST FOREST:
Altittude: 2000 m a.s.l.
Species:
Aliso Almus acuminata
Mato Myriantles sp.
Pino del monte Podocarpus parlatorei
Lapacho Tebeuia lapacho
Cedrillo Cedrella lilloi
5. LOW SEMI ARID FOREST:
Altittude: 350-1000 m a.s.l.
Average precipitation ( annual) 500 - 1000 mm
Average temperature (annual) 20 degree celcius
spacies:
Quebracho blanco Aspidiosperma quebracho blanco
Quebracho colorado Shinopsis quebracho colorado
Soto Shinopsis haenheana
Mistol Zizyphus mistol
Palo borracho Chorosia insignis
Guayacan Cesalpinia paraguariensis
Algarrobo Shinopsis alba
To be continnued,
Mario Nina
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