SAMSUVAN Watchara, YEEMIN Thamasak, SUTTHACHEEP Makamas, PENGSAKUN Sittiporn, PUTTHAYAKOOL Juthamart, THUMMASAN Monthaphat. Diseases and compromised health states of massive Porites spp. in the Gulf of Thailand and the Andaman Sea[J]. Acta Oceanologica Sinica, 2019, 38(1): 118-127. doi: 10.1007/s13131-019-1378-6
Citation: SAMSUVAN Watchara, YEEMIN Thamasak, SUTTHACHEEP Makamas, PENGSAKUN Sittiporn, PUTTHAYAKOOL Juthamart, THUMMASAN Monthaphat. Diseases and compromised health states of massive Porites spp. in the Gulf of Thailand and the Andaman Sea[J]. Acta Oceanologica Sinica, 2019, 38(1): 118-127. doi: 10.1007/s13131-019-1378-6

Diseases and compromised health states of massive Porites spp. in the Gulf of Thailand and the Andaman Sea

doi: 10.1007/s13131-019-1378-6
  • Received Date: 2018-01-26
  • In this study, we assess coral health by detecting the severity of coral diseases and compromised health states on massive Porites. Field surveys are conducted at twenty-two sites covering the eastern, inner and western Gulf of Thailand as well as the Andaman Sea during 2010-2015. A total of nine coral diseases and signs of compromised health are observed in the waters of Thailand, consisting of pigmentation responses (pink lines, pink patches, pink spots and pink borers), white syndromes (white patches, white bands and ulcerative white spots), growth anomalies, and unusual bleaching patterns. The highest severity of all observed coral diseases and signs of compromised health are found at Ko Khang Khao in the inner Gulf of Thailand, while that observed in the Andaman Sea is relatively low. Composition of the diseases vary across the study sites. Four groups of study sites, in which there is an 80% similarity of diseases or signs of compromised health composition, are clustered and detected based on the Bray-Curtis similarity. The canonical analysis of principal coordinates reveal that most study sites in the Gulf of Thailand, especially the inner Gulf of Thailand, tend to show a high severity of the diseases. The association of disease severity and composition and the level of human impact are also detected. The study sites located near the shores and/or the areas with intensive tourism tend to have higher human impact, especially on poor water quality, which may be linked to the higher severity and composition of coral diseases and signs of compromised health in the Gulf of Thailand. Fish bites are also observed in many study sites. The severity of fish bites in the Gulf of Thailand is much lower compared to the Andaman Sea. Ko Rawi exhibits the highest severity, following by Ko Surin Nua and Ko Butang. The study sites within marine national park boundaries have a significantly higher severity of fish bites than those outside of the marine national park boundaries. This study suggests that higher coral diseases and signs of compromised health severity might be linked to anthropogenic disturbances on coral communities in the waters of Thailand.
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?????? ???? ???搀漀椀?? ?????????? ????????戀爀?嘀漀猀猀??????刀椀挀栀愀爀搀猀漀渀???????  ???一甀琀爀椀攀渀琀?攀渀爀椀挀栀洀攀渀琀?攀渀栀愀渀挀攀猀?戀氀愀挀欀?戀愀渀搀?搀椀猀攀愀猀攀?瀀爀漀最爀攀猀猀椀漀渀?椀渀?挀漀爀愀氀猀???漀爀愀氀?刀攀攀昀猀?????????????????搀漀椀?? ??  ??猀  ????  ?? ??????戀爀?圀攀椀氀?????  ????漀爀愀氀?爀攀攀昀?搀椀猀攀愀猀攀猀?椀渀?琀栀攀?眀椀搀攀爀??愀爀椀戀戀攀愀渀???渀?刀漀猀攀渀戀攀爀最?????漀礀愀?夀??攀搀猀???漀爀愀氀??攀愀氀琀栀?愀渀搀??椀猀攀愀猀攀???攀爀氀椀渀?匀瀀爀椀渀最攀爀?嘀攀爀氀愀最????????戀爀?圀攀椀氀?????爀椀欀愀眀愀?????愀猀愀爀攀琀漀????攀琀?愀氀??? ?????砀琀攀渀搀攀搀?最攀漀最爀愀瀀栀椀挀?搀椀猀琀爀椀戀甀琀椀漀渀?漀昀?猀攀瘀攀爀愀氀??渀搀漀?倀愀挀椀昀椀挀?挀漀爀愀氀?爀攀攀昀?搀椀猀攀愀猀攀猀???椀猀攀愀猀攀猀?漀昀??焀甀愀琀椀挀?伀爀最愀渀椀猀洀猀?????????????? ??搀漀椀?? ??????搀愀漀 ?????戀爀?圀漀爀欀?吀???攀琀攀礀攀爀????? ????吀漀?甀渀搀攀爀猀琀愀渀搀?挀漀爀愀氀?搀椀猀攀愀猀攀??氀漀漀欀?愀琀?挀漀爀愀氀?挀攀氀氀猀???挀漀?攀愀氀琀栀?????????? ??????搀漀椀?? ??  ??猀? ???? ??? ??????戀爀?圀漀爀欀?吀?????攀戀礀???匀???  ???匀礀猀琀攀洀愀琀椀挀愀氀氀礀?搀攀猀挀爀椀戀椀渀最?最爀漀猀猀?氀攀猀椀漀渀猀?椀渀?挀漀爀愀氀猀???椀猀攀愀猀攀猀?漀昀??焀甀愀琀椀挀?伀爀最愀渀椀猀洀猀??? ???????????? ?戀爀?夀攀攀洀椀渀?吀???愀渀琀愀挀栀椀琀爀愀?嘀??倀氀愀琀栀漀渀最?匀??攀琀?愀氀??? ?????洀瀀愀挀琀猀?漀昀?挀漀爀愀氀?戀氀攀愀挀栀椀渀最??爀攀挀漀瘀攀爀礀?愀渀搀?洀愀渀愀最攀洀攀渀琀?椀渀?吀栀愀椀氀愀渀搀???渀?夀攀氀氀漀眀氀攀攀猀??????甀最栀攀猀??吀?倀??攀搀猀??倀爀漀挀攀攀搀椀渀最猀?漀昀?琀栀攀???琀栀??渀琀攀爀渀愀琀椀漀渀愀氀??漀爀愀氀?刀攀攀昀?匀礀洀瀀漀猀椀甀洀???愀椀爀渀猀???甀猀琀爀愀氀椀愀??愀洀攀猀??漀漀欀?唀渀椀瘀攀爀猀椀琀礀??????戀爀?夀攀攀洀椀渀?吀??匀愀攀渀最栀愀椀猀甀欀????匀甀琀琀栀愀挀栀攀攀瀀????攀琀?愀氀??? 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