Geography is the study of natural and human constructed phenomena from a spatial perspective. Geography has two main sub disciplines:
Human geography includes such subjects as demography, human settlements, transportation, recreation and tourism, resources, religion, social traditions, human migration, agriculture, urban systems, and economic activities
Physical geography is concerned with the study of the Earth’s atmosphere, biosphere, hydrosphere, and lithosphere from theoretical and applied viewpoints.
Sometimes the disciplines of human and physical geography combine knowledge to create a more holistic synthesis.
The Don Juan Pond in western Antarctica is the most saline water body on Earth, at approximately twelve to thirteen times the salinity level of other typical seas of the world....
CanadaLast Updated on 2014-10-21 12:31:09
Canada is a nation of just over 34 million people in northern North America, bordering the North Atlantic Ocean on the east, North Pacific Ocean on the west, and the Arctic Ocean on the north, north of the conterminous United States.
Canda is second-largest country in world (after Russia, and a little larger than the United States).
It is the World's largest country that borders only one country and has strategic location between Russia and US via north polar route.
Approximately 90% of Canda's population is concentrated within 160 km of the US border.
A land of vast distances and rich natural resources, Canada became a self-governing dominion in 1867 while retaining ties to the British crown.
Economically and technologically, the nation has developed in parallel with the US, its neighbor to the south across the World's longest... More »
IndiaLast Updated on 2014-10-19 18:29:14India is one of the major nations of the world. With 1,205 million people, it has the second largest population (after China).
It is bordered by the Arabian Sea and Indian Ocean in the south, east and west. To the North, it borders Bangladesh, Bhutan, Myanmar (Burma), China, Nepal, and Pakistan. India has a long and complex history reflected in its intricate mixture of ethnic groups, languages and cultures.
While, density populated, India is home to a wide range of varied ecoregions with important biodiversity. Its major environmental issues include:
air pollution from industrial effluents and vehicle emissions;
water pollution from raw sewage and runoff of agricultural pesticides and herbicides;
tap water is not potable throughout the country; and, its huge and growing... More »
Ecoregions of BangladeshLast Updated on 2014-10-19 17:45:45Bangladesh has five ecoregions:
Sundarbans freshwater swamp forests
Lower Gangetic Plains moist deciduous forests
Mizoram-Manipur-Kachin rain forests
Myanmar coastal rain forests
The ecoregion lies in the vast delta formed by the confluence of the Ganges, Brahmaputra, and Meghna rivers. The maze of mangrove channels extends across southern Bangladesh and India's West Bengal State.The Sundarbans Mangroves ecoregion is the world's largest mangrove ecosystem.
Named after the dominant mangrove species Heritiera fomes, locally known as sundri, this is the only mangrove ecoregion that harbors the Indo-Pacific region's largest predator, the tiger (Panthera tigris).
Unlike in other habitats, here tigers live and swim among the mangrove islands, where they hunt scarce prey such as chital deer (Cervus axis), barking deer (Muntiacus muntjak), wild... More »
BangladeshLast Updated on 2014-10-19 17:39:12Bangladesh is a nation of over 160 million people in southern Asia, bordering the Bay of Bengal, between Myanmar (Burma) and India.
Most of the country is situated on deltas of large rivers flowing from the Himalayas: the Ganges unites with the Jamuna (main channel of the Brahmaputra) and later joins the Meghna to eventually empty into the Bay of Bengal
Its major environmental issues include:
many people are landless and forced to live on and cultivate flood-prone land;
waterborne diseases prevalent in surface water;
water pollution, especially of fishing areas, results from the use of commercial pesticides;
ground water contaminated by naturally occurring arsenic;
intermittent water shortages because of falling water tables in the northern and central parts of the country;
soil degradation and erosion;
severe overpopulation.... More »
Big Bend National Park, United StatesLast Updated on 2014-10-19 16:55:59Big Bend National Park is one of the two National Parks located in the state of Texas, in the USA. Big Bend National Park is located in the Big Bend region along the border of Texas and Mexico where the Rio Grande bends toward the Gulf of Mexico.
Because the park contains a variety of habitat types including mountains, deserts, and riparian habitats, the park is home to a diverse flora and fauna. Visitors arrive at Big Bend National Park to hike, camp, watch wildlife, and experience the river by rafting or canoeing.
Big Bend National Park is located in the big bend of the Rio Grande along more than 161 kilomters (100 miles) of the Texas-Chihuahua-Coahuila border southeast of El Paso, Texas in Brewster County, Texas. It includes a large portion of the Chihuahuan Desert as well as the Chisos Mountains on the Texas side of the Rio Grande’s expansive steep canyons.
In 1933,... More »
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