meteo Scool-Logo-blackleft

Workshop-Button-blue

Vegetation:Tropical rain forest   Savannas   Sahel Zone  Deserts

The Savanna

Savannen
Quelle: Wikipedia.org


Within the tropics there are different vegetation zones. These depend on the time in which to the plants enough water is available to the growth. One makes a distinction after number *arid and **humid months:

* arid = humidification is greater than the anual precipitations -> dry
** humid = anual precipitations are greater than humidification -> wet

Humid savanna

Spread: Africa, Asia, Australia, India, Southamerica
Climate: 7–9½ humid months
Annual rainfall: 1000–1500 mm Ø
Vegetation: up to 6 m hight, evergreen grasses, lightly closed savanna forest, Galleryforests at rivers.
Usage: rainfed agriculture
meteogram
meteogram:
Sekondi (4.93°N / -1.70°E)

Dry savanna

Spread: Africa, Asia, Australia
Climate: 4,5-7 humid months
Annual rainfall: 500–1000 mm Ø
Vegetation: breasthigh grasses, light tree population.
Usage: rainfed agricultre, management of pasture

meteogram
meteogram:
Navrongo (10.90°N / -1.09°E)

Thornsavanna

Incidence: Africa, Asia, Mexico, Southamerica
Climate: 2–4,5 humid months
Annual rainfall: 250–500 mm Ø
Vegetation: up to 30 cm grasses.
Usage: management of pesture.
meteogram
meteogram:
Gao (16.27°N / -0.04°E)