Energy flow 2 Flashcards
1
Q
Growing (accumulated) degree-days
A
((Temp max plus temp min) divided by 2))- Temp base
2
Q
Warm years for migrators means
A
Leave early
3
Q
Cold years for migrators means
A
Leave late
4
Q
Migration goose study conclusion’s
A
No change in spring migration timing coinciding with an advance of spring in the north
Suggests an increasing mismatch between goose arrival and availability of high-quality plant foods
Consequence is a decline in juvenile recruitment in the fall migratory flock
5
Q
Effects of mismatch
A
Can cause a mismatch and less food for higher trophic organisms and overall food chain