| 环境因子对细基江蓠繁枝变种氮、磷吸收速率的影响 |
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| 引用本文： | 许忠能,林小涛,计新丽,王朝晖,黄长江.环境因子对细基江蓠繁枝变种氮、磷吸收速率的影响[J].应用生态学报,2001,12(3):417-421. |
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| 作者姓名： | 许忠能 林小涛 计新丽 王朝晖 黄长江 |
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| 作者单位： | 1. 暨南大学水生态科学研究所,
2. 汕头大学海洋生物室, |
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| 基金项目： | 国家自然科学基金重大资助项目(39790110). |
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| 摘 要： | 实验室条件下,研究了光强、酸碱度、温度、盐度对细基江蓠繁枝变种N、P吸收速率的影响.细基江蓠繁枝变种对N的吸收速率在光强为800～2400μmolphoton
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| 关 键 词： | 细基江蓠繁枝变种 吸收速率 氮磷 富营养化海区 |
| 文章编号： | 1001-9332(2001)03-0417-05 |
| 修稿时间： | 1999年11月1日 |
Effect of environmental factors on N and P uptake by Gracilaria tenuistipitata
var. liui Zhang et Xia |
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| XU Zhongneng,LIN Xiaotao,JI Xinli,WANG Zhaohui.Effect of environmental factors on N and P uptake by Gracilaria tenuistipitata
var. liui Zhang et Xia[J].Chinese Journal of Applied Ecology,2001,12(3):417-421. |
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| Authors: | XU Zhongneng LIN Xiaotao JI Xinli WANG Zhaohui |
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| Institution: | Institute of Aquatic Ecoscience, Jinan University, Guangzhou 510632. |
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| Abstract: | The effect of light intensity, pH, temperature, salinity on the uptake of nitrogen and phosphorus by Gracilaria tenuistipitata var. liui Zhang et Xia was were studied under laboratory conditions. The uptake rate of nitrogen reached as high as 0.32-0.36 mumol.g-1.h-1 at favorable light intensity of 800-2400 mumol photon.m-2.s-1, while that of phosphorus reached 0.017-0.018 mumol.g-1.h-1 at 320-1600 mumol photon.m-2.s-1. The nutrient uptake rate reached the maximum at pH 8.0. A significant difference of N uptake rate at different temperatures or salinities and that of P uptake rate at different temperatures were found. The N uptake rate was higher at 21-26 degrees C and 20@1000-28@1000, but P uptake was higher at 21-26 degrees C. There was no interaction between temperature and salinity. |
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| Keywords: | Gracilaria tenuistipitata var liui Zhang et Xia Nitrogen Phosphorus Uptake rate |
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