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The Earth's Biomes

Descriptions of the major biomes of Earth.
by

Randall Toney

on 19 October 2015

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Transcript of The Earth's Biomes

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli
Temperate Grassland
Tundra
Tropical Savanna
* very little vegetation if any
* could be
cold
or hot



*fertile soil rich in organic matter (humus)

* highest biodiversity
*hot & wet year-round
* poor acidic soil
* most rainfall of all
* The Amazon in South America, & Southeast
Asia
* warm year-round
* wet & dry seasons
*tall grass and isolated trees and shrubs
*
*compact semi-fertile soil
*Eastern Africa & Northern Australia
Temperate Woodland Forest
* medium rainfall
*cold winters, warm summers
* mixture of evergreen and deciduous trees (hardwoods)
* Eastern USA, Europe, China
Tropical Rainforest
Temperate Grassland
* cold winters & warm-hot summers
* fertile soil with thick layer of rich top soil
* mostly grass with scattered stands of timber
* Great Plains of the Mid-Western USA
* dominated by grazing animals, birds, & burrowning animals
Desert
* driest of all biomes
* mineral rich soil but nutrient poor and thin
*plants have spines or thorns
* Mojave and Saraha Deserts (hot deserts)
* Antarctica, Gobi Desert, Siberia
(cold deserts)
* permafrost soil
* 2nd driest biome other than deserts
* short warm summers
* long extremely cold harsh winters
* have long periods of daylight in summer & long periods of darkness in winter
(18 hrs or more)
* plants are very small, hug ground
* Northern Alaska, Canada, Russia
*animals are extremely adaptive to harsh climate
Tundra
Temperate Forest
Hot Desert
Tropical Rainforest
Cold Desert
Tropical Savanna
The Major Biomes



of Earth

Tropical Dry Forest
* abundant, seasonal rainfall
* soil erodes easily
* tall, deciduous trees form dense canopy
* apex predator is the Bengal Tiger
-also has many reptiles, monkeys, birds
*very similiar to a Rain forest, but has a very dry season
* India, South-Western Mexico, tropical islands
Tropical Dry Forest
* animals include: black bear, deer, elk & owls, bobcats, many rodents
* has a wet fall, winter , and spring
Northwestern Coniferous Forest
*rocky, acidic soil
* mild temps w/ 4 seasons
* evergreen trees dominate landscape (Douglas Fir, Spruce, Redwood)
* The western coasts of Oregon, Washington, Northern California
(Temperate Rainforest)
Northwestern Coniferous Forest
Temperate Rainforest
* dense evergreen forest of conifers
Boreal Forest
Taiga
or
* long, cold winters
* short, mild summers
* very humid with poor, acidic soil
* some small berry producing bushes/shrubs
* animals include: moose, timberwolves, lynx, deer, various birds
* this biome is found just south of the Tundra. Locations include: Central Alaska and Canada, Central and Northern Russia and China
Boreal Forest / Taiga
Full transcript