Shrub stage - xerarch, Biology

Assignment Help:

Shrub Stage - Xerarch

Sufficient soil is formed in the herbs stage, for supporting the woody plants or the shrubs. They migrate with the help of seeds or rhizomes from the adjacent areas. Examples are: species of Rhus and Physocarpus. The shrubs soon develop into dense vegetation. The habitat is considerably modified. The herbs are shaded by the overgrowing shrubs. They no longer find it possible to thrive in such a situation and are, therefore, completely replaced by the shrubs.

The shrubby vegetation adds a lot of organic matter to the soil, through leaves and other plant parts. The soil is thus enriched with considerable amount of humus. The huge mass of roots of the shrubs corrodes the rocks. The enriched soil attains greater capacity for holding water. The soil is shaded, and, therefore, evaporation of water is considerably reduced. The humidity is increased over such areas. All these favour the growth of seedlings of trees which start invading the area.


Related Discussions:- Shrub stage - xerarch

Explain in brief about baby blues, Regarding the article "Baby Blues" which...

Regarding the article "Baby Blues" which of the following is a false statement? A. Children, whose mothers underwent severe stressful episodes during pregnancy, have higher tha

Planning and implementation of nursing care - purpura, Planning of Nursing ...

Planning of Nursing Care   Minimise  trauma  to the child and provide safe environment.  Control bleeding.  Administer drugs.  Implementation of Nursing Care

Define future projections in the field of public nutrition, Define Future P...

Define Future Projections in the Field of Public Nutrition? We discussed earlier that the field of public nutrition has existed for a long time, although not by this name. A he

Cholesterol, Cholesterol Cholesterol is found in several of the animal ...

Cholesterol Cholesterol is found in several of the animal foods we eat, involving cheese, eggs, and red meat. Just animal cells utilize and synthesize cholesterol. Click the bu

What is the difference between red and white blood cells, Q. What is the di...

Q. What is the difference between red and white blood cells? What are leukocytes? White blood cells are the leukocytes and Red blood cells are erythrocytes. Leukocytes are p

How dna molecules are formed, As a result of DNA replication two DNA molecu...

As a result of DNA replication two DNA molecules come into existence. Why is it not correct to assert that two "new" DNA molecules are created? What is the name given to the proces

Kin selection, While explaining the concept of natural selection, we have s...

While explaining the concept of natural selection, we have stressed the fact that natural selection is synonymous with differential or non-random reproduction. Natural selection ai

How do the availability of water and light affect population, How do the av...

How do the availability of water and light and the climate affect the growth of a population? The availability of water and light and the climate are abiotic factors that limi

Important Value Index (IVI) calculation, How can we calculate the IVI from ...

How can we calculate the IVI from a total number of (30) quadrats (each 30 x 30 m quadrats)

State cryptobiosis and explain the function of it, State Cryptobiosis and e...

State Cryptobiosis and explain the function of it. A dormant, or suspended, state of animation which allows some animals to survive severe conditions like extremely low tempera

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