漳江口桐花树叶片光合色素含量和叶绿素荧光参数与盐度的关系 |
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引用本文: | 吴敏兰,;陈立松,;吴锦城,;方志亮. 漳江口桐花树叶片光合色素含量和叶绿素荧光参数与盐度的关系[J]. 台湾海峡, 2014, 0(3): 326-330 |
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作者姓名: | 吴敏兰, 陈立松, 吴锦城, 方志亮 |
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作者单位: | [1]漳州城市职业学院,福建漳州363000; [2]福建农林大学资源与环境学院,福建福州350002; [3]福建省云霄县海洋与渔业局,福建云霄363300 |
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基金项目: | 福建省教育厅A类科技资助项目(JA12448) |
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摘 要: | 对生长在漳江口红树林湿地国家级自然保护区不同盐度环境中(FZ1:7.95-10.00;FZ2:11.10-15.25;FZ3:15.60-20.08;FZ4:20.58-23.54)优势红树植物桐花树的光合色素含量和叶绿素荧光特征进行了研究,结果表明盐度最低的样地FZ1比其他样地具有更高的叶绿素a、叶绿素b和胡萝卜素含量(p〈0.05).Fv/Fm、Fv/F0和PIABS表现出同样的规律:FZ1、FZ2较高,尤其FZ1最高,与FZ3、FZ4有极显著水平差异(p〈0.01).叶绿素荧光诱导动力学曲线(O-J-I-P)起始部分变化不大,其余部分均是FZ3比其他3个样地低.比活性参数ABS/CS、TRo/CS各样地间无显著差异;ETo/RC、RC/CSo是FZ3比其他样地下降,尤其是与FZ1、FZ2有极显著差异.DIo/CS则是FZ3比其他样地高,尤其是与FZ1、FZ2有极显著差异.这些结果表明,在保护区内盐度7.95‰-15.25‰环境中的桐花树叶片光合色素含量较高,光合器官对光能的吸收、转化和利用效率更高.
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关 键 词: | 海洋生态学 漳江口 桐花树 盐度 光合色素含量 叶绿素荧光参数 |
Relations of photosynthetic pigments and chlorophyll fluorescence of Aegiceras corniculatum with salinities in Zhangjiang Estuary |
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Affiliation: | WU Min-lan, CHEN Li-song , WU Jing-cheng , FANG Zhi-liang ( 1. Zhangzhou City University, Zhangzhou 363000, China;2. College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China; 3. Fujian Yunxiao Oceanic and Fishery Bureau, Yunxiao, 363300,China) |
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Abstract: | Contents of photosynthetic pigments and characteristics of chlorophyll fluorescence in leaves of Aegiceras corniculatum were studied at plots with different salinity levels( FZ1 , FZ2, FZ3, FZ4 ) in the National Mangrove Reserve in Zhangjiang Estuary. Results showed that FZ1 with the lowest salinity has higher contents of chlorophyll a, chlorophyll b and carotenoid than FZ2, FZ3 and FZ4 (p 〈0. 05 ). Fv/Fm, Fv/F0 and PIA,s had similar pattern that FZ1 and FZ2 were higher than FZ3 and FZ4, and FZ~ had the highest values(p 〈0.01 ). From the changes in chlorophyll fluorescence induction kinetics ( O-J-I-P), we found little change between the initial and the end of the curve, and the rest part of the curve showed that FZ3 was lower than any other 3 plots. For specific activity parameters ABS/CS , TRo/CS, there were no significant differences among the 4 sampling plots. For ETo/RC, RC/CSo, Plot FZ3 was lower than any other 3 plots and, especially, it was significant different from FZI , FZ2. For DIo/CS, FZ3 was higher than any other 3 plots and, especially, it was significant different from FZ1 and FZ2. It is found that Aegiceras corniculatum growing in the salinity from 7.95%v to 15.25%e has higher contents of photosynthetic piginents, which is more conducive for photosynthetic organs to absorb and convert the light energy in higher photosynthetic efficiency. |
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Keywords: | marine ecology Zhangjiang Estuary Aegiceras corniculatums salinity content of photosynthetic pigments chlorophyll fluorescenc |
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