Synergies

Question 1

extinction vortex

Answer 1

addictive or interaction
extinctions rarely due to one thing
many stressor acting simultaneously

Question 2

characteristics of synergies (4)

Answer 2

1. occur when stresses overlap
2. often unpredictable
3. sudden disruptions or abrupt shifts
4. non-linear behavior

Question 3

synergy

Answer 3

interactive effect greater than the sum of individual effects
one stressor enhances the other or they both

Question 4

synergies causes and effects

Answer 4

1. occur where stressors overlap
2. cause unexpected changes in ecosystems
   result from the 3. connectedness of environmental and their components
3. demonstrate that environmental problems cannot be solved in isolation

Question 5

grass-fire cycle

Answer 5

woody vegeation –> land clearing –> grassland
if you wait long enough, it will go back to woody vegetation
introduction of invasive grasses that are more flammable and germinate immediately, never allow wood to come back

positive feedback loop
burning increases microclimate, fire spreads faster
resetting themselves

Question 6

know the examples