环境条件对水网藻(Hydrodictyon reticulatum)生长的影响

应用生态学报 ›› 1999, Vol. 10 ›› Issue (3): 345-349.

环境条件对水网藻(Hydrodictyon reticulatum)生长的影响

王朝晖, 骆育敏, 江天久, 林秋奇, 杞桑

暨南大学水生态科学研究所, 广州 510632

收稿日期:1998-04-29 修回日期:1998-08-03 出版日期:1999-05-25 发布日期:1999-05-25
通讯作者: 王朝晖,女,1968年生,硕士,讲师,主要从事水污染生态研究.E-mail:wangzhaohui@163.net E-mail:wangzhaohui@163.net
基金资助:
广东省高教局科研基金

Influence of environmental conditions on growth of Hydrodictyon reticulatum

Wang Zhaohui, Luo Yumin, Jiang Tianjiu, Lin Qiuqi, Qi Sang

Institute of Aquatic Ecoscience, Jinan University, Guangzhou, 510632

Received:1998-04-29 Revised:1998-08-03 Online:1999-05-25 Published:1999-05-25

摘要/Abstract

摘要： 研究了温度、光照强度及N、P浓度与水网藻生长的关系。结果表明,水网藻能在较大的温度范围(10～31℃)、光照强度(300～5300Lx)和N浓度(1.0～84.0mg·L^-1)和P浓度(0.05～3.72mg·L^-1)等条件下生长。最适生长温度为25℃,当光照强度大于1300Lx,N、P含量分别为16.8～50.4和0.744～2.23mg·L^-1时,水网藻生长良好。低温有利于水网藻忍耐低光照和低N低P.

关键词: 水网藻, 富营养化, 绿藻, 温度, 光照强度, 结构方程模型, 季节响应, 青藏高原, 植被生长, 气候变化, PDO

Abstract: Studies on the relationship of Hydrodictyon reticulatum growth with temperature, light intensity and nutrient concentrations showed that H.reticulatum could tolerate a wide range of temperature (10～35℃), light intensity (300～5300Lx), and nitrogen and phosphorus concentrations (1.0～84.0mg N·L^-1 and 0.05～3.72mg P·L^-1 respectively). Its optimal growth was at 25℃,≥1300Lx, 16.8～50.4mg N·L^-1, and 0.744～2.23mg P·L^-1. Low temperature was beneficial to H.reticulatum to tolerate low irradance and low nitrogen and phosphorus concentrations.

Key words: Hydrodictyon reticulatum, Eutrophication, Chlorophyta, Temperature, Light intensity, Tibet Plateau, PDO, vegetation growth, structural equation model (SEM), seasonal response, climate change.

王朝晖, 骆育敏, 江天久, 林秋奇, 杞桑. 环境条件对水网藻(Hydrodictyon reticulatum)生长的影响[J]. 应用生态学报, 1999, 10(3): 345-349.

Wang Zhaohui, Luo Yumin, Jiang Tianjiu, Lin Qiuqi, Qi Sang . Influence of environmental conditions on growth of Hydrodictyon reticulatum[J]. Chinese Journal of Applied Ecology, 1999, 10(3): 345-349.

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