Characteristics of lake ecosystems, Biology

Characteristics of Lake Ecosystems

The environment of static waters of lakes and ponds sharply contrasts with those of lotic ecosystems. Light penetration in lakes is usually up to a certain depth which as you knows is affected by turbidity. Temperature and dissolved oxygen also vary with depth. Dissolved oxygen in stagnant water is generally less compared to lotic systems because only a relatively small surface of the water body is indirect contact with air. Decomposition of organic matter usually takes place at the bottom of the lake.

The oxygen content usually decreases with depth. The gradations of temperature, sunlight and oxygen are directly responsible for vertical zonation or stratification occurring in lakes. They are also responsible indirectly for horizontal zonations of lakes as they profoundly influence the distribution of lake organisms which contribute to the characteristic horizontal zonations.

Posted Date: 1/19/2013 4:25:47 AM | Location : United States







Related Discussions:- Characteristics of lake ecosystems, Assignment Help, Ask Question on Characteristics of lake ecosystems, Get Answer, Expert's Help, Characteristics of lake ecosystems Discussions

Write discussion on Characteristics of lake ecosystems
Your posts are moderated
Related Questions
Q. Explain procedure of Aortic Valvuloplasty? BAV is usually performed by the retrograde transarterial approach. Often another catheter is placed in the LV through transseptal

Ovipary, Vivipary and Ovovivipary In each case of external and in some cases of internal fertilisation, development of the fertilized egg (zygote) occurs outside the mother's

What are the main gas exchange organs of the plants? How is the process accomplished? In the covering of the leaves and of the primary structure of the stem gas exchange is mad

Explain about the Microcolony DEFT? It allows determination of viable cells. Food homogenate is filtered through a DEFT membrane and then placed on the surface of appropriate c

An island may be colonised by just a few individuals, or just a pair:, or even a single gravid female. When a new population develops from these early colonisers of the island, the

Q. Thumb rule for dietary management? The thumb rule for dietary management is to advice the patient to try to cut down or avoid:  Red meats. Organ meats such as br

What is the criterion used to classify hosts as intermediate hosts or as definitive hosts? The criterion used to classify hosts as intermediate hosts or as definitive hosts is

which bone of rabbit is like wing?

Q. Outbreak of Staphylococcal food  poisoning? Conditions necessary for outbreak of Staphylococcal food poisoning: • Presence of viable staphylococcal bacteria in the food

in what part of the human body aschelminthes found?