Nine marine park islands and three islands off Langkawi, Terengganu and Pahang are closed to tourists from July 2 to Oct 31 due to coral bleaching.Marine Parks Department director-general Abdul Jamal Mydin said the coral degradation, which was caused by global warming, was worse than in 1998.He said in Langkawi, the authorities decided to close Teluk Wangi, Pantai Damai, and Coral Garden in Pulau Payar while in Terengganu - Pulau Redang, Teluk Bakau, Pulau Tenggol, Teluk Air Tawar, Pulau Perhentian Besar and Teluk Dalam.There other islands are in Pahang, namely Pulau Rengis, Pulau Tumok and Pulau Soyak, he told a news conference after attending a meeting on the quagmire on Wednesday.