andros barrier reef

Question 1

where is the andros barrier reef

Answer 1

bahamas
east coast of android island
edge of north atlantic ocean
200km

Question 2

why is coral important

Answer 2

coastal erosion is reduced
healthy reef
tourism brings in $150 million
fish breeding grounds - mangrove forests repopulate fish for local profit

Question 3

threats to andros barrier reef - over fishing

Answer 3

over fishing - unbalance
coral can be killed by physical contact
sponge harvesting

Question 4

threats to andros barrier reef - pollution

Answer 4

chemicals sewage and silt from hill slopes and rivers

silt clouds water preventing sunlight access for zooxanthellae

Question 5

threats to andros barrier reef - marine pollution

Answer 5

oil and chemical discharge from boats

Question 6

threats to andros barrier reef - climate change

Answer 6

high water temp trigger stress reaction in coral expelling if zooxanthellae
effect on nutrient flow - bleaching
coral does