Aquatic Environments Flashcards
1
Q
Limnology
A
Study of lakes
2
Q
Lotic
A
Flowing water (low flow)
3
Q
Lentic
A
Nonflowing water
4
Q
Allocathanous
A
Inputs to an aquatic ecosystem from outside sources (animals from different source)
5
Q
Autocathanous
A
Inputs to an aquatic ecosystem from within (dead plants, algae, fish eggs)
6
Q
DOM
A
Dissolved organic matter
7
Q
CPOM
A
Course particulate organic matter
8
Q
Factors causing lake zonation
A
- Light
- Oxygen
- Bioactivity
- Area
- Temperature
9
Q
Euphotic or Photic
Light
A
True light
10
Q
Aphotic
Light
A
Less than 1% light penetration
11
Q
Oxic
Oxygen
A
High oxygen content (wind)
12
Q
Anoxic
Oxygen
A
Low levels of oxygen (less than 0.1% mg/l)
13
Q
Autotrophic
Bioactivity
A
PSN (Euphotic zone)
14
Q
Heterotrophic
Bioactivity
A
Secondary consumers
15
Q
Compensation depth
Bioactivity
A
Area in a lake of balance between autotrophs and heterotrophs
