Salinity

Different agro-climatic zones of Jharkhand, rain fall pattern and known abiotic stresses in each zone

ADifferent agro-climatic zones of Jharkhand, rain fall pattern and known abiotic stresses in each zone. Three Agro-Climatic zones of Jharkhand are: Western Plateau Zone Central and North Eastern Plateau Zone South Eastern Plateau Zone Agro-Climatic Zone of Jharkhand Region Name Districts Name  Western Plateau Zone Bokaro Latehar Lohardanga Gumla Hazaribagh   Palamau   Ranchi Simdega Chatara … Read more

Soil: Physical, chemical and biological properties

Soil consists of rock and sediment that has been modified by physical and chemical interaction with organic material and rainwater, over time, to produce a substrate that can support the Growth of Plants.” Soils are an important natural resource.  They represent the  interface between the lithosphere and the Biosphere – as soils provide nutrients for … Read more

Factors Affecting Photosynthesis

 Factors affecting Photosynthesis There are three main factors affecting photosynthesis and several corollary factors. The three main are:   Light irradiance and wavelength Carbon dioxide concentration Temperature. Total photosynthesis is limited by a range of environmental factors. These include the amount of light available, the amount of leaf area a plant has to … Read more

Oceans Tides

–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

Oceans: Physical, chemical and biological characteristics

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

Salinity Of Oceans

–2/”>a >DOCTYPE html PUBLIC “-//W3C//DTD XHTML 1.0 Transitional//EN” “http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd”> Salinity is defined as the ratio between the weight of the dissolved materials and the weight of the sample sea water. Generally, salinity is defined as ‘the total amount of solid material in grams contained in one kilogram of sea water and is expressed as part … Read more

ESTUARY ECOSYSTEM

  located where river meets the sea. the most productive water bodies in the world The complete salinity range from 0-35 ppt is seen from the head (river end) to the mouth (sea end) of an estuary Coastal lakes which have their connection with the sea through small openings are better known as lagoons or … Read more

Saline Soils

The Silent Threat: Understanding and Managing Saline Soils Saline soils, characterized by high concentrations of soluble salts, pose a significant threat to agricultural productivity and environmental sustainability. This silent threat, often overlooked, can severely impact crop yields, degrade soil health, and even lead to land abandonment. Understanding the causes, consequences, and management strategies for saline … Read more

Salinity – Oceanography

Salinity: The Invisible Force Shaping Our Oceans Salinity, the measure of dissolved salts in water, is a fundamental property of the ocean. It plays a crucial role in shaping ocean currents, influencing marine life, and impacting global climate. Understanding salinity is essential for comprehending the complex dynamics of our planet’s largest water body. 1. Defining … Read more

Oceanography

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 – 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