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North america
- 1. NORTH AMERICNORTH AMERICA North america is the third largest continent . It is 24 million square km. It extends from 7 degree north to 85 degree north latitude & 20degree west to 179 degree west longitude. POLITICAL MAP PHYSICAL MAP
- 4. PHYSICAL FEATURES Canadianshield. Eastern highlands. Central lowlands. Western cordilleras.
- 5. CANADIAN SHIELCANADIAN SHIELD It is made up of very old,hard rocks. Many small rivers originate from here and flow in to the Hudson Bay. Lake superior, lake michigan,lake huron,lake erie and lake ontario known as five great lakes. River st.Lawrence is an important inland water way. CANADIAN SHIELD
- 6. EASTERN HIGHLAND Itis also known as appalachian mountains. Its average height is 900m above mean sea level. The highest peak here is mt.mitchell which is 2037 m high. EASTERN HIGHLANDS
- 7. CENTRAL LOWLAND THISIS THE AGRICULTURE ZONE OF NORTH AMERICA. IT STRECHES 6000KM EAST TO WEST IN THE SOUTH FROM THE GULF OF MEXICO IN THE SOUTH TO THE MACKENZIE RIVER BASIN IN THE NORTH THE MISSOURI AND MISSISSIPPI RIVERS PROVIDE THE SOUTHERN PARTS OF THESE PLAINS WITH ALLUVIAL DEPOSITS AND WATER SUPPLY.
- 8. THE WESTERN CORDILLERAS THIS RANGES EXTEND FROM ALASKA TO PANAMA. THE MAXIMUM WIDTH: 1500km. THE OTHER MOUNTAIN RANGES: CASCADE RANGE, SIERRA NEVADA AND SIERA MADRE. HIGHEST PEAK: Mt.MCKINLEY (6194m) PLATEAU: COLUMBIA PLATEAU, ALASKA PLATEAU AND COLORADO PLATEAU
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- 13. CLIMATE A MAJORPART OF NORTH AMERICA LIES IN THE TEMPARATE ZONE AND A VERY SMALL PART IN THE FRIGID ZONE AND THE TROPICS THE FACTORS THAT INFLUENCE THE CLIMATE ARE; NEARNESS TO THE SEA MOUNTAIN RANGES OCEAN CURRENTS
- 14. CLIMATIC REGIONS AND NATURAL VEGETATION. 1. TUNDRA REGION 2. THE TAIGA REGION 3. THE TEMPARATE EAST MARGIN REGION 4. COOL TEMPERATE WESTERN MARGINS 5. THE PRAIRIE GRASSLANDS 6. THE MEDITERRANEAN TYPE OF CLIMATE 7. HOT DESERT 8. TROPICAL RAIN FORESTS
- 15. TUNDRA REGION Thisregion which incudes the Hudson bay is situated to the north of the artic circle (661/2degree north). Severe cold and a long winter TUNDRA REGION
- 16. THE TAIGA REGION Extending from New Foundland in the east to Alaska in the west,coniferous forests can be seen Warm and short winters Main occupation here is lumbering and fur trade TAIGA REGION
- 17. THE TEMPERATE EASTMARGIN REGION It is located to the east of the great lakes and the Appalachian mountains. Due to the influence of the Cold Labrador Current in the west winters are very cold. Rain is experienced here in summers.In south the summers are very hot and winters are mild.The coastal region experiences cyclonic winds like Hurricane and Tornado.
- 18. COOL TEMPERATE WESTERN MARGIN It extends from the north of California to Alaska. The warm Alaska current that flows through these shores make the summers hot and winters cool. The proximity to the rocky mountains helps in ensuring heavy rain fall in the region. Coniferous forests are mostly found here.
- 19. THE PRAIRIE GRASLANDS It extends from the south of Taiga, the region between the Great lakes and the rockies, to the missourimississippi basin. Short grass is the vegetation seen here. To the east of 100degree west meridian, where there is high rainfall,the grasslands are extensively cleared for the cultivation of wheat,corn and cotton. This area is known as the granary of wheat. GRASSLANDS OF NORTH AMERICA
- 20. THE MEDITERRANEAN TYPEOF CLIMATE This climate is experienced in central California which is located in the western coast of North America. This western climatic region lies between 30degree north and 40degree north latitudes. It rains here in winter. Fruits like orange and grapes grown here.
- 21. HOT DESERTS Thisregion is on the south western part of North America,on the east of the rocky mountain range. Summers are very hot and winters are very cold. It rains very little in this region and only thorny bushes and a variety of grasses are mainly found here. NORTH AMERICAN HOT DESERTS
- 22. TROPICAL RAIN FORESTS This forests is found in Central America and the west Indies. This region is characterized by heavy rainfall and high temperature.
- 23. LIFE OF THEPEOPLE 1. AGRICULTURE 2. DAIRY FARMING 3. FISHING 4. INDUSTRY
- 24. AGRICULTURE The mainagricultral area of the continent is the central plains. Fertile soil,availability of water,suitable climate, vast agricultural lands,mechanisation,all make this area ideal for the advancement in agriculture.Wheat,corn,oats,bar ley etc are the major crops.
- 25. DAIRY FARMING Oneof the main occupation of the North American people.The vast grasslands here is conducive to rearing cattle.In the north eastern parts of the United States of America and in the adjacent regions of Canada,it is seen on a large scale.In the dry areas of the rockies, sheep are reared for wool and meat, pigs for meat, fowl for meat and eggs. DAIRY DAIRY FARM
- 26. FISHING North Americahas oceans on three sides. In the shallower areas of the Pacific and the Atlantic oceans a lot of plankton is seen,which makes a favourable situation for the availability of fish.The fishing centres in the Atlantic are St.Pier bank,Sable Island bank,Browns bank and Georges bank. FISHING
- 27. INDUSTRY The largedeposits of minerals and ores especially those which are energy resources, and the availability of agricultural and forest products have helped America in industrial development. The willingness of the American people to work hard and their entrepreneurial inclinations are reasons flourishing industries.
- 28. IMPORTANT INDUSTRIES Theimportant industries here are iron ore smelting,automobile industry,ship building,production of agricultural machinery, cotton textiles,woollen textiles,paper,fertilizer,pa int, electrical and electronics products, computer hardware and
- 29. പട്ടിക പൂർതർ്തർ ിർയർാർകർ്കർ ുർകർ വൻ കരകൻ നദികൻ പൻവൻ്വൻ തനിരക ൻ പീഠഭൂമി കൻ സമതല ങങ്ൻ പുൻ േമടുകൻ മരുഭൂമി കൻ ആസ്ട്േരല ിിയ വ.അേമരി ക്ക ത െി.അേമരിക് ക
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