Lecture 1 Flashcards
(8 cards)
1
Q
What are biogeochemical cycles?
A
Cycling of nutrients in biosphere.
2
Q
What is responsible for recycling nutrients?
A
Microorganisms.
3
Q
What are the two major pools?
A
Reservoir and Cycling.
4
Q
Describe Reservoir pool.
A
Long term storage for nutrients, elements are reserved, examples include rocks and atmosphere.
5
Q
Describe Cycling pool
A
Short-term storage with rapid exchange, composed of living nutrients.
Continuous movement due to food chain.
6
Q
What are the two main cycles?
A
Sedimentary and gasseous.
7
Q
Describe sedimentary cycle.
A
Decomposition in earth’s crust.
8
Q
Describe gasseous cycle.
A
The atmosphere, cycling due to evaporation. Quicker than sedimentary cycles.
