crown-of-thorns


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crown-of-thorns

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Crown-of-thorns starfish predation on coral polyps accounts for 50 percent of the cover loss on the reef in the past 30 years, according to the AIMS.
Importantly, it also supports the work of the tourism industry, which has been at the forefront in trying to keep crown-of-thorns starfish numbers low on reefs, particularly at prime tourism sites.
While the entire Reef is not affected by the crown-of-thorns starfish, a population explosion of this venomous invertebrate has occurred between Cairns and Lizard Island in recent years.
Intense tropical cyclones -- 34 in total since 1985 -- were responsible for much of the damage, accounting for 48 percent, with outbreaks of the coral-feeding crown-of-thorns starfish linked to 42 percent.
It s painstaking, you have to go through it one at a time, but that has been the most effective way we ve ever had of being able to kill crown-of-thorns in very large numbers.
Intense tropical cyclones were responsible for much of the damage, accounting for 48 percent, with outbreaks of the coral-feeding crown-of-thorns starfish linked to 42 percent.
He said researchers would try to "better predict and reduce the periodic population explosions" of the crown-of-thorns starfish and explore how intervention on factors like water quality can reduce their numbers.