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Australian great barrier disappearance (causes (farm pollution (pollution…
Australian great barrier disappearance
causes
coral bleaching
caused by mining and burning of fossil fuels
global warming : heating of water causes coral to bleach and die
farm pollution
pollution from farms in the area cover coral, blocking sunlight
makes coral more vulnerable to bleaching
nitrogen run-off from farms lead to algal blooms
governance
governments tend to focus on subjects that are not environmental
reef id not getting the support it needs
industrialization
ports wanting to expand and grow
ship traffic
pollution
dredging on seafloor
fishing
poor management of fishing companies
overfishing
food chain disruption
species dying
overpopulation of specific species
further consequences
even though coral reefs take up only about 1% of the ocean floor, 25% of fish species spend part of their life cycle here
conditions becomeinhabitable
species extinction
fish move away
fish overpopulation in smaller reefs
competition for food
more species extinction
possible ecosystem collapse
tourism industry plummet
economic crisis
an estimated 80% of the air we breathe comes from the ocean
unhealthy ocean, unhealthy air
air pollution
illness
epidemic
possible death
consequences
pollution and algal blooms block sunlight for plants
global warming creates rising sea levels and ocean acidification
rising sea temperature
global warming also causes more severe weather events that wreck the reef's structure
illegal fishing decreases populations directly