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
The Vital Role of Fish Meal in Aquaculture and Beyond: A Deep Dive into Sustainability and Innovation Fish meal, a key ingredient in animal feed, plays a crucial role in sustaining global food security. Derived from fish processing byproducts, it provides a rich source of protein, essential amino acids, and other nutrients vital for animal … Read more
Unveiling the Mysteries of the Deep: A Journey into Oceanography The Earth, a vibrant tapestry of life and landscapes, holds within its embrace a vast and enigmatic realm â the ocean. Covering over 70% of our planet’s surface, this watery expanse is a cradle of biodiversity, a regulator of climate, and a source of countless … Read more
The Silent Threat: Ocean Acidification and its Impact on Marine Life The ocean, a vast and mysterious realm, plays a crucial role in regulating Earth’s climate and sustaining life. However, this vital ecosystem is facing an unprecedented threat â ocean acidification. This phenomenon, driven by the absorption of excess carbon dioxide (CO2) from the atmosphere, … Read more
The Silent Threat: Exploring the Impact of Radiation from Mobile Phone Towers on Humans and Wildlife The ubiquitous presence of mobile phone towers has become an integral part of modern life, facilitating seamless communication and connectivity. However, their presence has also sparked concerns regarding the potential health risks associated with the electromagnetic radiation they emit. … 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