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Types of fish

There are four major types of fish. Pelagic Fish Demersal Fish Anadromous Fish Freshwater Fish (1). Pelagic Fish: This kind of fish is found in surface water. These comprise of herrings, tuna, meckerel and anchovies. The Pelagic fish accounts for 30 percent of the total fish haul of the world. (2). Anadromous Fish: These types …

Fisheries

Fisheries are very important for man because they provide huge amount of food in the shape of fish. About 38 million people around the world are emplyed in this occupation. in 2005, total amount of fish captured amounted to 22 kilograms per capita at international level. Thus, the global harvest of fish is about 140 …

Energy Resouces.

Major energy resources include Coal, Natural Gas, Oil, Wood, Nuclear, Solar, Hydrogen, wind and Tidal power etc. Since the beginning of industrialization in the 17th century, the use of these energy resources has been increasing year by year. Coal which is the traditional resource of energy has slowly given way to the latest resources such …

Major Industries

Major industries of the world include the following: (1). Steel Industry (2). Textile Industry (3). Chemical Industry (4). Petroleum Industry (1). Steel Industry: In the present modern world, iron and steel play important role in the development and progress of a nation. Steel and cement are essential parts of the multi-storey buildings, towers, bridges, ships, …

Role of Selected Commodities.

There is a wide range of agricultural commodities which include major crops such as wheat , rice, sugarcane and cotton. Moreover, minor crops like gram, bajra, jawar, mauni, masoor and onion etc. are also grown in large quantity. Maize or corn is a staple food in North America, Africa, Latin America, Australia and New Zealand. …

World Agricultural System

An agricultural system comprises of the inputs entering the system and the outputs produced by it. The farmers carefully plan the nature and types of the inputs in order to get the outputs of their choice. They prefer those crops which give them more income. Thus, every agricultural system is planned according to the climatic …

Physical Constraints on Agriculture.

Agricultural activities are greatly influence by many factors which either facilitate or check the performance of this sector. For example, nature of soil, availability of water, rainfall, flood, drought, wind, salinity, water logging, and pest attack are major constraints on agriculture. These constraints influence the farmers in selection of the soil, drops, fertilizers and machinery …

Herding / Pastoralism

It is a form of agricultural activity which involves raising of livestock. The pastoral people rely on animals for their livelihood. These animals include buffaloes, oxen, horses, goats, lambs, sheep, dogs, cats and deer etc. Most of these animals are raised and reared in large farms. This activity is also known as animal domestication. Its …

Primitive Gathering and Hunting

Primitive Gathering: Gathering is a primitive type of human activity in which one or more than one persons collect a variety of natural products. These products include fruits, nuts, berries, roots, fibres and leaves. The people involved in their activity earns their livelihood through these collected fruits or roots etc. According to a recent survey, …

Plantation Farming

Plantation farming is carried out on large plantations. A plantation is defined as a large estate owned by an individual or corporation which is organized to produce a cash crop. Presently, the plantation farming is in practice in the following regions of the world: South Asia: Tea (India, Bangladesh, Sri Lanka). South East Asia: Rubber …