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Deciduous Forest Biome

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Rachel Pennington

on 18 October 2012

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Transcript of Deciduous Forest Biome

Rachel Pennington
Devin Green
Jackie Garcia
Gianina Di Pietro
Kimberly Howland Temperate Deciduous Forest The deciduous forest biome extends across the world in temperate zones at approximately the latitudes of 45°N and 45°S. The longitudes range across the globe at approximately 80°W, 70°W, 30°E, 120°E, and 150°E. Deciduous Forests Located primarily in eastern North America, Europe, and Asia. Deciduous forests are also present in Japan, southwest Russia, eastern China, South America, New Zealand, and southeastern Australia.

Five zones of deciduous forests:
Tree Stratum, small tree and sapling,
shrub, herb, and ground zone Deciduous Forests (Cont.) Abiotic Factors Bald Eagle Wildlife of Deciduous Forests Dhole Brown Bear Wildlife of Deciduous Forests (cont.) Collared Peccary Nightingale Average Precipitation: 30 to 60 inches per year.
Average Temperature: average of 50° F
Wind Patterns: Westerlies, which is the wind blowing from the west.
Soil Composition: Very fertile. Great agricultural regions are found in this biome. Abiotic Factors (Cont.) Dominate Geographic Features: Rivers/Streams and mountains.
Solar Radiation: Little radiation because the large trees block the sunlight.
Limiting Factors: Light availability and rainfall. Climatogram of Wellington,
New Zealand, a temperate deciduous
forest
Plant Adaptations in Deciduous Forests Loss of Leaves - Many plants in deciduous forests lose their leaves in the winter, because when the weather gets colder having many broad leaves can cause too much water loss through the stomata of the plants. The plants then regrow their leaves in the springtime when the weather is warmer. Thick Bark on Trees - Trees in temperate deciduous forests have very thick bark that protects the inside of the tree through cold winters. Animal Adaptations in
Deciduous Forests Migration - State of Deciduous Forests A lot of deciduous forests have lost their homes
due to land development of farms and towns as well as excessive logging.

In some areas such as Northeast Asia, poaching is an issue, however not so much in the U.S.

Northeast Asian deciduous forest are in critical conditions Birds migrate away from the deciduous forests in the winter due to the extreme cold. Hibernation - Other animals, such as bears, hibernate during the winter. This means they enter a sleep-like state for most of the winter. This state is characterized by slow breathing and a low metabolic rate. http://www.blueplanetbiomes.org/deciduous_forest.htm Bibliography,
my fair classmates http://www.mbgnet.net/bioplants/adapt.html

http://www.cotf.edu/ete/modules/msese/earthsysflr/dforestA.html
Full transcript