Where is most of the life in a lake?
Where is most of the life in a lake? In lakes and ponds, much of the species diversity is concentrated in the littoral zone, near the shore, where algae and plants thrive in the abundant light needed for photosynthesis. Living within the plant matter is a cornucopia of animals including snails, amphibians, crustaceans, insects, and fish.
What makes a lake a lake?
It may surprise you to know there is no technical difference between lakes and ponds, according to the National Park Service(Opens in a new window). However, a general rule of a thumb is if a body of water is large and deep it's a lake and if it's short and shallow it's a pond.
What zone is the deepest part of a lake?
The profundal zone is a deep zone of an inland body of freestanding water, such as a lake or pond, located below the range of effective light penetration.
What are the 3 zones of a lake?
Summary. English: The three primary zones of a lake are the littoral, open-water (also called the photic or limnetic), and deep-water (also called the aphotic or profundal) zones. If the above link no longer works, visit http://www.ck12.org and search for CK-12 Earth Science.
How was Lake Como formed?
During the last ice ages, large glaciers carved their way through the mountains towards the south. After the glaciers retreated at the end of the last ice age, this deep valley filled with water. This resulted in the 3rd largest lake of Italy. Over 400 meters deep, Lake Como is the 5th deepest lake of Europe.
What is the bottom of a lake called?
The material at the bottom of a lake, or lake bed, may be composed of a wide variety of inorganics, such as silt or sand, and organic material, such as decaying plant or animal matter.
How do lakes clean themselves?
Turnover is a natural way the lake cleans up harmful bacteria and algae. It carries dead algae down into the depths of the lake where there is less sunlight, helping to prevent algae growth. You can think of it as an escalator, moving the algae cells from the top of the lake to the bottom.