Pillai Sruthi P Kumar ' BSc. Botany (graduate) Graduate (Visharad) in Hindustani Classical Mu Trained Bharatnatyam Classical Dancer. A passionate speaker. . A civil service aspirant. Please do rate, review and recommend if you genuinely liked my video...it will definitely make a difference in my life... Follow me through unacademy app for future notifications...
Objective .This course will complete the remaining three chapters (12th ncert) part by part included in the portion of topic ENVIRONMENT' important for GS section of UPSC exam. The main objective is to explain the concepts as simply as possible, to clear the basics, especially focuses on beginners, and tries to generate an interest among viewers by being more creative. Source 12th ncert
Target audience UPSC aspirants .SSC .CDS Railway etc.
Savannah Commonly the term savannah implies a well developed grass cover, interspersed with scattered shrubs or small trees
The height of woody species may vary from 1 to 8 meters. Savannahs are widely distribute in warm parts of central and southern Africa. India, northern and east - central South Africa and northern Australia. Although some savannahs may be natural, many others are anthropogenic. In India, all savannahs are believed to be derived by the degradation of original tropical forests, and maintained in their current state by continuous grazing and fire for centuries
Most abundant grasses in Indian savannas are Dichanthium, Sehima, Phragmiotes, Saccharum Canchrus, Imperata and Lasturus Generally, the woody species in a asavanna are the residual species from the original forest from which the savanna has been derived. Some common trees and shrubs in savannas are Prosopis, Capparis, zizyphus, Acacia, Butea etc. Savannas occur in tropical areas with high seasonal climate, having distinct et and dry periods, Availability of soil moisture determines the species composition and productivity of savannas
. The effect of soil moisture variation may be modified by fine, soil nutrients and herbivores. An important aspect of tropical savannas is the abundance of grass species possessing C4 photosynthetic capability As you know, these species are able to sustain high level of primary productivity even with low soil moisture availability Although the root system of grasses is well - developed in the upper 30 cm soil horizons, the woody species usually send their roots to deeper horizons
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Pillai Sruthi P Kumar
I am a botany graduate from Ramnarain Ruia college, Mumbai university. Currently, a civil service aspirant. I am passionate about teaching.