Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
22 Cards in this Set
- Front
- Back
|
Lentic Systems |
"Standing Water" - Lakes, ponds, pools etc - No dominant or unidirectional flow - Water can become stratified |
|
|
Lotic System |
"Moving waters" |
|
|
Freshwater Biota |
|
|
|
Exploiting Lentic Systems |
|
|
|
Freshwater Diversity |
|
|
|
Evolution |
|
|
|
Vicariance |
A form of allopatric speciation. There are two forms of speciation; Dispersal and Allopatry |
|
|
Habitats may be temporary |
Important for migratory birds |
|
|
Adaptations for temporary habitats |
|
|
|
Physical Factors Cause Stratification in Aquatic Communities |
- Also stratification due to density because warmer water is less dense and it's at surface - Left: Cold at surface and moderate temperature at the bottom - Right: More photorespiration than photosynthesis on surface |
|
|
|
|
|
|
|
|
Aquatic Communities Stratify due to biological factors |
Will go to the deepest part to avoid predators |
|
|
Lake Types |
|
|
|
Oligotrophic Lakes |
|
|
|
Mesotrophic Lakes |
|
|
|
Eutrophic Lakes |
|
|
|
Anthropogenic Eutrophication |
|
|
|
Liebig's Law of the Minimum |
Add nutrients and things will grow differently |
|
|
- Bottom up control. - If stop giving nutrients, needs to recover |
|
|
Eutrophic. Phosphorous was limiting nutrient |
|
|
|
