Coral reefs Flashcards
1
Q
Where are coral reefs found
A
Tropical and shallow water. Warmer = good
2
Q
How many species are there
A
5000 species of coral reefs
3
Q
What are some threats to coral reefs
A
Greenhouse gases
Fishing and shipping
Pollution and disease
4
Q
What is coral bleaching.
A
Corals have microscopic algae called zooxanthelle. When under stress, algae is expelled and they lose some energy. Turn pale and are now ‘bleached’
5
Q
The spikes of coral reefs were in _______
A
1983, 1987, 1998, 2010, 2016
6
Q
What has happened in recent years with warming
A
Coral bleaching is a lot more common. Cold phase today is warmer than warm phase decades ago
7
Q
Dying of reefs
A
Die quickly of extreme heat
Die slowly through bleaching.
