Geography

Promote “Blue Revolution” through a multipronged approach and introduction of alternate species. Develop a policy framework for allotment of marine areas and large reservoirs for cage culture through fi shermen cooperatives/private participation or by consortium. Establish SPF Brood Stock Multiplication centres and aquatic quarantine centres for L.vannamei for production and supply of SPF brood stock … Read more

Tsunami meaning “harbour wave” It is a series of extremely long waves caused by a large and sudden displacement of the ocean due to earthquake, volcanic eruptions etc. When they reach the coast, they can cause dangerous coastal flooding and powerful currents that can last for several hours or days. Characters of Tsunami waves are … Read more

The practice of cultivating two or more crops simultaneously on the same piece of land is called mixed cropping. During mixed cropping, if one crop faces adverse conditions or pathogen attack then the other crop can be saved.The basic objective in mixed cropping is to minimize the risk and insure against the crop failure due to … Read more

Composite lava are highly viscous with a high melting point. They are light colored and have low density, and have a high percentage of silica. They flow slowly and seldom travel far before solidifying. The resultant cone is therefore steep sided.  The rapid solidifying of lava in the vent obstruct the flow of the out-pouring … Read more

Excessive rainfall in river catchments or concentration of runoff from the tributaries and river carrying flows in excess of their capacities. Backing water in tributaries at their confluence with the main river. Synchronization of flood peaks in the main rivers or their tributaries. Intense rainfall when river is flowing full. Poor natural drainage system. Landslides … Read more

The savanna or sudan climate is a transitional type of climate found between the equatorial forest and the trade winds hot deserts. It is confined within the tropics and is best developed in the sudan where the dry and wet seasons are most distinct, hence its is named sudan climate. Llanos in oronocco basin and … Read more

Core, mantle, and crust are divisions based on composition. The crust makes up less than 1 percent of Earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The mantle is hot and represents about 68 percent of Earth’s mass. Finally, the core is mostly iron metal. The core makes … Read more

Irrigation is consider boon for agriculture. Artificial injection of water increases the productivity and efficiency of the land. But there are negative fallouts attached with Irrigation. These are as follows: Associated problems of water logging and salinity. Poor irrigation practices lead to water logging and salinity. The productivity has been on decline in some areas … Read more

Weathering, water, elevation, sinking, and erosion of the soil are constantly shaping the surface of the Earth. It doesn’t really happen overnight but takes hundreds and thousands of years for us to notice these changes. These are the natural processes that lead to various formations of the Landforms. Landforms originate from these geological processes. Landforms can be categorized into Mountains, Plateaus, and Plains depending … Read more

The sector suffers from low-scale, stagnating yields of inland and freshwater aquaculture, and poor infrastructure such as cold storage facilities, leading to an estimated 15-20 per cent post-harvest loss. The access to quality seed and feed for fish farming coupled with inadequate availability of credit makes the poor fisher communities not to invest in fish … Read more