Autogenic and allogenic succession, Biology

Assignment Help:

Autogenic and Allogenic Succession

In many cases the living beings of an ecosystem, modify their environment considerably by their growth, death and decay. The changed conditions lead to the establishment of new kinds of species in that area. The whole process goes on and on, that is, there is replacement of one kind of community with another. Such a succession process is called autogenic succession. To sum up, autogenic succession results because of the changes brought about in the habitat by the members of the community themselves.

In some cases, the changes brought about in the habitat are caused by external agencies and not by the existing vegetation itself. This is called as allogenic succession. Such a succession may occur in a highly disturbed or eroded area or in ponds where nutrients and pollutants enter from outside and modify the environment and in turn the communities.


Related Discussions:- Autogenic and allogenic succession

Signs and symptoms of emphysema, Pathophysiology Distension and damage...

Pathophysiology Distension and damage of the respiratory bronchioles selectively occur. Opening develops in the walls of the bronchioles. and they become enlarged and conf

What is a biome, What is a biome? A biome is a prevailing ecosystem con...

What is a biome? A biome is a prevailing ecosystem constituted by same biotic and abiotic factors present in one or more regions of the planet.

What proportion of changes in the third position, If a codon is CDC, what p...

If a codon is CDC, what proportion of nucleotide changes in the third position result in a new amino acid? If the codon is AGG, what proportion of changes in the first position res

Relation between the hypophysis and the hypothalamus, Q. What is the relati...

Q. What is the relation between the hypophysis and the hypothalamus? The hypothalamus is a part of the brain situated just above the hypophysis and the hypothalamus gets centra

Multiple fission - types of asexual reproduction, Multiple Fission - Types ...

Multiple Fission - Types of Asexual Reproduction Multiple fission is a variation of fission where the parent divides mitotically into a number of smaller units that are the da

Explain brownian movement, Explain brownian movement When you view a so...

Explain brownian movement When you view a sol through an ultra microscope, you will observe that colloidal particles appear to be in a state of rapid and irregular motion calle

Homeostasis, HOMEOS T ASI S - Homeo = same,   Stasis = state Li...

HOMEOS T ASI S - Homeo = same,   Stasis = state Living beings maintain their internal environment by self regulating system, it is called homeostasis. Term coined by

Etiological factor of gastritis, Q. Etiological factor of gastritis? So...

Q. Etiological factor of gastritis? Some most frequently associated risk factors for gastritis include: • Faulty dietary habits like overeating and taking highly seasoned fo

Discuss about troponin receptor site, Skeletal muscle A. The myosin hea...

Skeletal muscle A. The myosin head is activated (energized) by the conversion of GTP (that is bound to myosin) to GDP and Pi (that are bound to myosin). B. Detachment of the

Nutritional requirements of fats and oils during infancy, Define Nutritiona...

Define Nutritional Requirements of Fats and Oils during Infancy? Adequate breast-feeding ensures 30 g fat intake by infants, of which 10% is linoleic acid and 1% is linolenic a

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd