广东海洋大学学报2016，Vol.36Issue(4)：55-65,11.DOI:10.3969/j.issn.1673-9159.2016.04.010
光谱质量和光子照度对酸化环境中珊瑚代谢的影响
Role of Light Intensity and Spectral Quality in the OA-induced Metabolic Responses ofCoral
摘要
Abstract
We employed a multifactorial growth experiment to determine how light intensity and OA together modify the calcification ofAcropora pruinosa,Galaxea astreata andTurbinaria peltata. It was found that decreased pH(OA)-induced losses of calcification in the light (GL) especially under low-light growth conditions.The influence of light intensity upongross photosynthesis(PG)onses is coral species specific. Underlight-limited growth conditionsGL,GL / GDwith OAwas lowerthan that growth under high-light and with different spectral quality,but the change ofGL with OA was higher than that of under high-lightcondition,in particular forGalaxea astreata. Those results suggested that high-light growth conditions dampened the impact of OA uponGL. OA-induced change ofPG on light-saturated growth(LL)was significantly smaller than LL forAcropora pruinosa,and did not show a significant differences betweenhigh light(HL)and low light(LL)forGalaxea astreata,Turbinaria peltata. The reciprocal OA-induced change of GL with PG andchange ofGL withPG are consistent with the notion thatPG is enhanced by HL and GL is enhanced by PG,which is fundamentally limited by pCO2 availability (and hence relieved by OA) under HL. In total,thisstudy suggests that lower light availability will potentially increase the susceptibility of key coral species to OA.关键词
造礁石珊瑚/光谱/光子照度/酸化/光合作用效率/钙化率Key words
reef-building corals/light spectrum/light intensity/ocean acidification/photosynthetic efficiency/calcification rates分类
农业科技引用本文复制引用
廖宝林,肖宝华,杨小东,谢子强..光谱质量和光子照度对酸化环境中珊瑚代谢的影响[J].广东海洋大学学报,2016,36(4):55-65,11.基金项目
广东省公益研究与能力建设专项(K15216)；广东省海洋渔业科技推广专项（A201308E02）；大鹏新区产业发展专项 （K15216）
