不同光照周期下LED光源对铜藻生长的影响

doi:10.3969/j.issn.1004-1524.2017.04.17

浙江农业学报 ›› 2017, Vol. 29 ›› Issue (4): 631-636.DOI: 10.3969/j.issn.1004-1524.2017.04.17

不同光照周期下LED光源对铜藻生长的影响

李科, 潘耀茹, 吴嘉平, 肖溪^*

浙江大学海洋学院,浙江舟山 316000

收稿日期:2016-12-14 出版日期:2017-04-20 发布日期:2017-04-27
通讯作者: 肖溪, E-mail:prana@zju.edu.cn
作者简介:李科(1992—),男,安徽合肥人,硕士研究生,主要研究污染环境治理与生态保护。E-mail:leeke0304@zju.edu.cn
基金资助:
国际科技合作与交流专项(2015DFA01410)

Effect of LED lightings on growth of Sargassum horneri under different photoperiods

LI Ke, PAN Yaoru, WU Jiaping, XIAO Xi^*

Ocean College, Zhejiang University, Zhoushan 316000, China

Received:2016-12-14 Online:2017-04-20 Published:2017-04-27

摘要/Abstract

摘要： 利用白、红、绿、蓝4种LED作为光源,研究在24 h/0 h、18 h/6 h、12 h/12 h、6 h/18 h(L/D)这4组光照周期下铜藻生长对不同光质光源的响应。结果表明:各LED光源下,铜藻生物量累积峰值均出现在24 h/0 h(L/D)的光照周期中;在非连续光照下,蓝光LED光源促进铜藻生长的效果最佳。本研究还测量并分析了铜藻的表面吸收光谱和4种LED光源的发射光谱,发现铜藻在蓝光与红光区各有一个吸收峰,且蓝光区的波峰与红光区的波峰差异显著,蓝光区的波谱宽且平缓,而红光区的则窄且陡峭。因此,蓝光LED光源可满足铜藻生长所需光波,并可作为铜藻人工养殖的补充光源使用。

关键词: 铜藻, 大型海藻, LED, 比生长率, 光照周期

Abstract: In this study, 4 kinds of LED (white, red, green and blue) were tested as light sources for Sargassum horneri cultivation under 4 photoperiods (24 h/0 h, 18 h/6 h, 12 h/12 h, 6 h/18 h, L/D). It was shown that for all LED light sources, maximum biomass accumulation of S. horneri were achieved under the photoperiod of 24 h/0 h(L/D). The surface absorption spectrum of S. horneri and the emission spectrum of 4 LED light sources were also analyzed. The surface absorption spectrum of S. horneri showed a wide peak in blue emission region and a sharp peak in red emission region, respectively. Therefore, blue-LED light could satisfy the growth of S. horneri and would be an ideal supplementary light for S. horneri cultivation.

Key words: Sargassum horneri, macroalgae, LED, specific growth rate, photoperiod

中图分类号:

S967.9

李科, 潘耀茹, 吴嘉平, 肖溪. 不同光照周期下LED光源对铜藻生长的影响[J]. 浙江农业学报, 2017, 29(4): 631-636.

LI Ke, PAN Yaoru, WU Jiaping, XIAO Xi. Effect of LED lightings on growth of Sargassum horneri under different photoperiods[J]. , 2017, 29(4): 631-636.

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不同光照周期下LED光源对铜藻生长的影响

Effect of LED lightings on growth of Sargassum horneri under different photoperiods

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