Notes and Study material for Exams
–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Oceans tides An ocean tide refers to the cyclic rise and fall of seawater. Tides are caused by slight variations in gravitational attraction between the Earth and the moon and the Sun in geometric relationship with locations on the Earth's surface. Tides are periodic primarily because … Read more
Volcanoes and sea-scarps. This great variety of relief is largely due to interaction of tectonic, volcanic, erosional and depositional processes. At greater depths, the tectonic and volcanic phenomena are more significant processes. Continental Shelf: This is a gentle seaward sloping surface extending from the coasts toward s the open sea. In all, about 7.5% of … Read more
Any – body of standing water, generally large enough in area and depth, irrespective of its hydrology, ECOLOGY, and other characteristics is generally known as lake. Ageing of Lakes The nutrient enrichment of the lakes promotes the Growth of algae, aquatic Plants and various Fauna. This process is known as natural eutrophication. Similar nutrient … Read more
Classification of Organic Manures Organic manures are a type of fertilizer that is made from animal or plant waste. They are a sustainable and environmentally friendly way to improve SoilSoil health and crop production. Origin Plant-based Animal-based Nutrient Content Concentrated Organic Manures Bulky organic manures State of Decomposition Fresh Manures Well-Rotted Manures Compost CC:N Ratio … Read more
Fish Meal Fish meal is a high-protein, low-carbohydrate feed ingredient used in aquaculture and animal feed. It is made from the dried, ground bodies of small fish, such as anchovies, menhaden, and sardines. Fish meal is a valuable source of essential amino acids, such as lysine and methionine, which are not produced by plants. It … Read more
Here is a list of subtopics in oceanography: Physical oceanography Chemical oceanography Biological oceanography Geological oceanography Marine geology Marine geophysics Marine biology Marine ecology Marine chemistry Marine physics Marine meteorology Ocean climate Ocean currents Ocean waves Tides Salinity Temperature Density Turbidity Transparency Color Sound speed Light penetration Phytoplankton ZooplanktonZooplankton Fish Marine mammals Seabirds Coral reefs … Read more
Here is a list of subtopics on ocean acidification: Causes of ocean acidification Effects of ocean acidification Mitigation of ocean acidification Adaptation to ocean acidification Ocean acidification and climate change Ocean acidification and marine life Ocean acidification and human health Ocean acidification and the economy Ocean acidification and international law Ocean acidification and public perception … Read more
The impact of radiation from mobile phone towers on human beings and wildlife is a complex and controversial issue. There is no scientific consensus on the long-term effects of exposure to low-level radiofrequency radiation, but some studies have suggested that it may be harmful. The following are some of the subtopics that are often discussed … Read more
Difference between normal and anthropogenic acidified lakes Acidification of lakes is a serious environmental problem that can have a devastating impact on aquatic ecosystems. There are two main types of lake acidification: natural and anthropogenic. Natural acidification occurs when rainwater reacts with minerals in the soil and rocks, releasing acids into the water. This process … Read more