CH10 Flashcards
What are coral stressors?
temp, ph, reduced herbivory, runoff
When will bleaching episodes be too frequent for recovery?
every 5 years
Where are refuges for coral?
Higher latitudes
How do changing temperatures affect fish?
The move north
How does the Acropora ranges change?
with temperature, now found in Fort Lauderdale
Can corals adapt to higher temperatures?
SOme thrive in small bodies of high temp water
Are there thermal tolerant coral holobiont?
Clade D and some clade C, some species only associate with one clade
Temperatures have been warmer in the past than today, why is coral mortality high?
Unprecedented warming
Can corals adapt to hiher temperatures?
Yes, but will they adapt fast enough
How does coral distribution change with warning?
deeper distribution
Root cause of coral decline?
human population
How do we reduce population?
Promote family population, reduce poverty and infant mortality, promote education for women
As countries develop what happens?
Population growth slows called demographic transition. First death rates decline then birth rate decline
What is the shifting baseline?
People forget what the reefs look like originally and when conditions improve they think it good again
WHat did original food webs have at the top?
Sharks, birds, monk seal and crocodiles, now people dominate
