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8 Cards in this Set
- Front
- Back
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Rainfall is relatively constant, about 200-400 cm annually. In dry areas, highly seasonal, about 150-200 cm annually with a six- to seven-month dry season
Air temperatures are warm year-round, averaging 25-29 C with little seasonal variation |
Tropical Forest
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Precipitation is low and highly variable, generally less than 30 cm per year
Temperature is variable seasonally and daily. Maximum air temperature in hot deserts may exceed 50 C; in cold areas, air temperature may fall below -30 C |
Desert
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Rainfall, which is seasonal, averages 30-50 cm per year. Dry season can last up to eight or nine months
Warm year-round, averaging 24-29 C, but with somewhat more seasonal variation than in tropical forests |
Savanna
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Precipitation is highly seasonal, with rainy winters and long, dry summers. Annual precipitation generally falls within the range of 30-50 cm
Fall, winter, and spring are cool with average temperatures ranging from 10-12 C. Average summer temperature can reach 30 C and daytime maximum temperature can exceed 40 C Relies on adaptations to fire and drought; some seeds only germinate during a hot fire and nutrients are released by the fire |
Chaparral
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Precipitation is highly seasonal, with relatively dry winters and wet summers. Annual preciptation generally averages between 20 and 100 cm. Periodic drought is common.
Winters are generally cold, with average temperatures falling well below -10 C. Summers, with average temperatures frequently approaching 30 C, are hot. |
Temperate Grassland
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Precipitation generally ranges from 30 to 70 cm, and periodic droughts are common. Certain areas may receive over 300 cm of annual precipitation
Winters are usually cold and long; summers may be hot. |
Coniferous Forest
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Precipitation can average from about 70 to over 200 cm annually. Significant amounts fall during all seasons, including summer rain and winter snow
Winter temperatures average around 0 C. Summers, with maximum temperatures near 30 C, are hot and humid. |
Temperate Broadleaf Forest
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Precipitation averages from 20 to 60 cm annually in artic tundra but may exceed 100 cm in alpine tundra.
Winters are long and cold, with averages in some areas below -30 C. Summers are short with cool temperatures, generally averaging less than 10 C. |
Tundra
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