Last year , the Great Barrier Reef hurt itsworst ever decolor event , but now it seems that it was even more disastrous thanpreviously opine . former survey suggest that around 22 percentage of the shallow water red coral was killed by warm temperatures , but a more detailed analysis bring out that this soma is in reality tight to 29 percent .
The initial surveys were completed from the air and underwater , but they underrate the full impingement of the 2016 event , specially in the deeper amnionic fluid . It now seems more coral was kill off , with knockout bleaching in region north of the townspeople of Port Douglas , where it is think that roughly 70 per centum of all shallow water corals have died .
Researchers are currently looking for ways to try and facilitate the mounting pressure on the reef . Some institutions have been researching corals that have a higher heating plant tolerance , either seek out species from other parts of the world known to flourish in affectionate H2O or seek to selectively breed aboriginal species in rules of order to accelerate evolution in the hopes that these can be used to repopulate the dying reef .
There are also team focused on preclude land pattern that bear on the reef organisation , such asagricultural runoff . This hap when sediments , nutrients , and contaminants debilitate from farm acres along the coast bordering the reef , reducing water timber and increasing sedimentation . Another research fair game is the explosion in the figure of tip - of - thorns starfish , which have proliferated and are killing the coral by feeding on it .
While all this will help the Witwatersrand to motley degrees , there is one solution that will save up it : preventing climate alteration . “ The Great Barrier Reef is a bombastic and lively system that ’s previously show its capacitance to bounce back , however the current changes are undermine the resilience of the reef,”saysReichelt . “ Summit participants voiced their potent concern about the need for orbicular action to abridge greenhouse gas expelling , the driver of climate alteration . ”