Transcript Ecosystems and Biomes - Sonoma Valley High School

Biomes
What is a biome?
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A large area with similar climate and soil
conditions.
10 terrestrial biomes cover the earth from
the poles to the equator.
2 aquatic biomes: freshwater and ocean
Each is defined by temperature,
precipitation, and the organisms that live
there.
Tropical rain forest
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Climate: hot & wet year
round, poor soil
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No winter
Average temp. 18°C (61°F)
Rain > 200 cm (79 in) year
Life forms: Large broadleafed trees, vines, ferns,
huge diversity of insects
and other animals
location: equatorial
regions
Tropical savanna
(wet & dry)
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Serengeti plain, Africa
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Climate: hot, seasonal
rainfall, long dry
periods, fire
Life forms: grasses,
trees, large
herbivores, big cats
location: Africa, S.
America
Humid mid-latitude Climates
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Mild winters
Average
temperature in
winter:-3°C
(22° F) to 18°C
(61°F)
Latitude: 25°40°
Pair share: which city has the lowest annual rainfall?
Which cities has the lowest average temperature?
North West
coniferous
forest: Marine
west coast
climate
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Climate: mild winters and cool summers, moist,
warm air from Pacific Ocean, abundant rainfall
Life forms: redwoods, firs, spruce, bears, elk,
owls, beavers
Location: NW US and Canada
Temperate woodland: Dry summer
subtropical
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Climate: strong winter
rainfall
Life forms: Grasses,
evergreen shrubs
drought tolerant, deer/
goats, butterflies
Location:
Mediterranean, CA
Humid sub- tropical
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Climate: hot
humid summers,
mild winters
Desert
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Climate: hot, dry, soils
rich in minerals
Life forms: cacti,
brush, coyotes,
reptiles, small
mammals, birds
Location: N. America,
N. Africa, Australia,
Chile, middle east, N.
Asia
Pair share: which picture was
NOT taken in North America?
Taiga: boreal forest
Climate: long, cold
winters, moderate
rainfall
Life forms: evergreen
trees, berry bushes
Large mammals,
migratory songbirds
Location: North:
America, Asia, &
Europe
Tundra
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Climate: permafrost, frozen subsoil. Long, cold
winters, short summers < 10°C (48°F)
Life forms: mosses, lichens, grasses, caribou,
musk ox, fox, small rodents, migratory birds
Location: polar regions of North America, Asia, &
Europe
White board review
1. How many tropical climates are there?
2. Name a difference between temperate woodland and NW
coniferous biomes.
3. What are the 2 driest climates?