Class 20: Lake Classification

Question 1

Define Oligotrophic and Eutrophic.

Answer 1

Loigophrnic

Question 2

In Eutrophication, ______ will convert oligotrophic lake ot eutrophic

Answer 2

Sedimentation, a natural process where the shallows and volume decreases

Question 3

Lakes can be also based on morphometric parameters and Physiochemical parameters. What are these parameters?

Answer 3

Morphometric are depth, dimension, geology of shore, and currents. Physiochemical are temperate, pH, oxygen content and light.

Question 4

Define littoral in lakes.

Answer 4

Littoral is the shoreline and sunlight can penetrates to the bottom.

Question 5

What is the Neuston zone, or the zone that the professor calls “useless”

Answer 5

Air-water interface including the uppper few mm of the water column. This layer is known to accumulate nutrients.

Question 6

What is the limnetic zone:

Answer 6

surface of water away from littoral zone where light ready penetrates.

Question 7

What is the Profundal zone.

Answer 7

Profundal is below the limnetic zone, there is not much light here.

Question 8

List in order from top to bottom teh layers of the lake

Answer 8

Neuton layers, limnetic, Profundal, benthic.

If the shore than we have littoral zone by the shore.