Influence of environmental conditions on growth of Hydrodictyon reticulatum

Abstract

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.

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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