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Subtropic Zone

Subtropische-Zone
Author: Nicole Brutsche

Characterisation

Area  between tropical zone and tempered zone (25° to 40° North and South latitiude)
sun path 90 to 27° about horizon, according to place and season
Average temperature >20° to 35°
minimal temperature -5°
maximal temperature +66°C (Lybia, Iran, Death Valley)
radiation neutral
daylenght 9 to 15 hours
Precipitation dry, winter homidity and always wet areas
Climate tropic summer, non-tropic winter
Vegetation semi-deciduous or evergreen forests, hardwood forests with winter rain, Savanna, pastureland, semidesert, warm tempered moist forests, nemoral deciduous forests
property extreme heat, downfall and drought in some areas


Dry Subtropics

Climate:


  • annual vegetation period
  • winter percipitation
  • whole year arid
  • daytime climate
  • solar climate


Vegetation:


  • low biodiversity
  • desert and veldt vegetation (mainly thorn bush plants)
meteogram
meteogram:
Kairo (30.05°N / 31.25°E)

Lage-Cairo
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Winter humidity subtropics (middle sea climate)

Climate


  • annual vegetation period
  • winter precipitation
  • only summer-arid



Vegetation



A specific formation type, the hard foliage vegetation which is stamped for the Mediterranean areas of the Mediterranean Sea and California by evergreen oaken kinds − holm oak, corc oak and kermes oak as well as half-evergreen Macedonian oak dominates it. In Australia particularly two eucalyptus kinds, Jarrah (Eucalyptus marginata) and Marri (Eucalyptus calophylla), in Mediterranean regions are spread. In California many coniferous wood under which the sequoia special interest comes up. In many areas the scenery is by early overexploitation completely treeless. The woods of southwest Australia, the cape region of South Africa, California and Mediterranean by the high endemic abundance under 25 Hotspots of the biodiversity of the earth.
meteogram
meteogram:
Almería (36.84°N / -2.47°E)

Lage-Almeria
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Always wet subtropics (east side climate)

Climate


  • annual vegetation periode
  • maximum of precipitaipon in summertime



Vegetation




Very varied  laurel wood with numerous vianes, but less epiphytics than in tropical woods. In Australia typically eucalyptus woods. In the Caucasus, Afghanistan, north Iran and the eastern USA very varied foliage mixed forests with high portion in tertiary types. In southeast China, a global centre of the biodiversity, many original types which have otherwise become extinct, have been preserved.
meteogram
meteogram:
Shanghai (31.23°N / 121.47°E)

Lage-Shanghai
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