25.4.12

PRECIOUS PRAIRIES...


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What Is A Prairie?
       Prairie is a French word referring to a meadow, grassland or a pasture. Prairie is a kind of land form, which refers to an area with low landscapes consisting of grasses and herbs, with lesser trees. It is basically temperate grassland..




Where Is It Found?
       Prairie is typically found in North America. It covers much of the area referred to as the Great Plains of the United Nations and Canada. North American prairie is one of the most endangered ecosystems on earth. The grasslands of North America began to form  about 20 million years ago..




How Are Prairies Formed?
      Prairies are formed when the sediments are washed out of the rocky mountains over millions of years. This rubble from glaciers, windblown deposits of silt, sand and clay was once a shallow land area. The moist area from Pacific, dried out the interiors of the continent and favoured grass over trees..


Prairie Advantage:-
        Prairie's are not subject to soil erosion. Due to the deep, interconnected root systems, the prairie grasslands firmly hold the soil in place thus preventing erosion. As a result, the prairie plants can retain water even in the driest conditions...


Purple Coneflower
grasshoppers                                                                                                      
beetles
Prairie Habitat:-
Although most prairies may be grasslands consisting a vegetation of wild flowers like Purple Coneflower have medicinal value to humans. This type of daisy family was used to treat ordinary colds to snakebites by the Native American tribes. Animals in prairie habitat have adapted to varying environment changes. They can withstand freezing winters to sweltering summers. From invertebrates like grasshoppers and beetles to large mammals like antelopes and bisons survive in a prairie habitat... 


HERE IS A VIDEO:-
                                                        HOPE YOU LIKE IT..:)

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