Geography Blog

Four Types of Economic Activities

Economic geography deals with the spatial variations on the surface of the earth of activities related to production, exchange and consumption of goods and services. All the economic activities can be divided into four categories as follows: Primary activities Primary activities pertain to obtaining of natural resources from nature directly. Hunting, gathering, farming, animal husbandry, ..

List of Major Tribes of the World

Aborigines The term Aborigines is used to refer native people of a particular region but specifically this term denotes the original natives of Australia. They are negroid people mostly found in Queensland, Northern Territory and Western Australia. Afrikaner Africaner is a racial group of South Africa. These people have descended from the Dutch settlers who ..

Key Features of Human Races

Human race refers to a group of people with certain features in common that distinguish them from other groups of people. There are various systems of classifications of human races. A 20th century classification given by  American anthropologist Carleton S. Coon has divided the humans into five races as follows: Caucasoid (White) race Negroid (Black) race ..

Secondary Sector

The secondary sector of the economy is involved in the production of finished goods. All manufacturing, processing and construction activities lie in this sector. Some of the activities in this sector are metal working, automobile manufacturing, textile, production, ship building, etc. Most economies in their process of development go through the middle phase, where the ..

Solar and Lunar Eclipse

An eclipse is the partial or total blocking of the light of one object by another.  In the solar system, relative positions of the Sun, Moon, and Earth create solar eclipses and lunar eclipses. Frequency of Eclipses Perfect alignments of the Sun, Moon, and Earth are relatively uncommon, because the plane of Earth’s orbit around ..

Latitudes and Longitudes

Eratosthenes was the first person to calculate the size of the earth. He realized that Earth could be located with a basic grid of lines called Longitudes and Latitudes. Great Circle When a sphere is divided exactly in half through its center, the circumference represents the largest circle that can be drawn on that sphere. ..

Earth’s Revolution: Equinox, Solstice, Seasons, Perihelion and Aphelion

The orbit of the Earth is the motion of the Earth around the Sun every 365.242199 mean solar days. The orbital speed of Earth around the Sun averages about 30 kilometre per second or 108,000 kilometers per hour.  This speed is equivalent to cover earth’s orbit in 7 minutes and distance from moon to Sun ..

{Geography} Earth’s Rotation and Solar Day

Earth rotates around its own axis from west to east. When seen from the North Star Polaris {Alpha Ursae Minoris}, Earth turns counter-clockwise. Rotation of Earth results in days and nights. Earth’s rotation is mostly the result of angular momentum left over during the formation process of Earth. There are three distinct motions, the most ..

Primary Activities: Gathering, Nomadic Herding, Intensive Farming

Human activities which generate income are known as economic activities. Economic activities are broadly grouped into primary, secondary, tertiary and quaternary activities. Primary activities are directly dependent on environment as these refer to utilisation of earth’s resources such as land, water, vegetation, building materials and minerals. It, thus includes, hunting and gathering, pastoral activities, fishing, ..

Migration Theory and Factors in Geography

Migration, fertility and mortality are the basic fundamental elements determining population growth and demographic structure of a country. Migration may be international, intra-national, interregional, intra-urban, rural-to-urban, , and urban-to-rural. Migration is permanent or semi-permanent change of residence of an individual or group of people over  a significant distance.  On the basis of distance, it may ..