Modelling the distribution and ecology of Trichosolen blooms on coral reefs worldwide

Klaas Pauly; Barry P. Jupp; Olivier De Clerck

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Modelling the distribution and ecology of Trichosolen blooms on coral reefs worldwide

机译：模拟全世界珊瑚礁上的滴虫花的分布和生态

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Worldwide blooms of the green alga Trichosolen have been reported on damaged coral reefs following catastrophic events. However, the global distribution of Trichosolen and the factors triggering such blooms remained elusive because of a paucity of occurrence records. This study presents a presence-only niche modelling approach to map the potential distribution and delineate bloom risk areas as well as to identify environmental response optima for non-blooming occurrences and blooms. The modelled suitability map revealed a pantrop-ical to subtropical distribution, while high suitability values delineated bloom risk areas including important tropical reef systems where Trichosolen has not yet been reported from. While both blooms and non-bloom occurrences show a strong preference for high temperatures, blooms responded better to broader nutrient ranges than non-blooms, suggesting the importance of sudden nutrient inputs during catastrophic events in the formation of blooms.

机译：据报道，灾难性事件之后，受损的珊瑚礁出现了全球海藻翠绿素的大量开花。然而，由于缺乏发生记录，天花粉蛋白的全球分布和引发这种花开的因素仍然难以捉摸。这项研究提出了一种仅存在的小生境建模方法，以绘制潜在分布并描绘水华风险区域，并确定非水华事件和水华的环境响应最佳值。建模的适宜性图揭示了从泛亚向副热带的分布，而较高的适宜性值则描述了水华风险地区，包括尚未发现甲虫灵的重要热带礁石系统。虽然开花和非开花都显示出对高温的强烈偏爱，但开花比非开花对更宽的养分范围有更好的响应，这表明在灾难性事件中绽放形成过程中突然输入养分的重要性。

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《Marine biology》 |2011年第10期|p.2239-2246|共8页
作者
Klaas Pauly; Barry P. Jupp; Olivier De Clerck;
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Phycology Research Group, Biology Department, Ghent University, Krijgslaan 281/S8, 9000 Ghent, Belgium;

Geo-Resources Consultancy, P.O. Box 175, P.C.116 Mina al Fahal, Muscat, Sultanate of Oman;

Phycology Research Group, Biology Department, Ghent University, Krijgslaan 281/S8, 9000 Ghent, Belgium;

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Modelling the distribution and ecology of Trichosolen blooms on coral reefs worldwide

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