GROWTH-RESPONSES OF PLANKTONIC DESMID SPECIES IN A TEMPERATURE LIGHT GRADIENT

被引：33

作者：

COESEL, PFM

WARDENAAR, K

机构：

[1] Department of Aquatic Ecology, University of Amsterdam

来源：

FRESHWATER BIOLOGY | 1990年 / 23卷 / 03期

关键词：

D O I：

10.1111/j.1365-2427.1990.tb00294.x

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

SUMMARY. 1. Isolates of twelve planktonic desmid species were tested for their growth response in batch culture, using an apparatus that generates crossed gradients of temperature and light intensity. 2. Up to 15°C, growth was mainly temperature‐limited. At higher temperatures, there was an increasing effect of light limitation. Optimal growth temperatures were in the range 25–30°C. 3. Highest specific growth rates varied from 0.28 to 1.34 day−1. Species with lowest growth rates originated from oligo‐mesotrophic habitats, those with highest growth rates from eutrophic ones. 4. Ecophysiological aspects are discussed in some detail, as well as the significance of the experimental data for distributions in the field. Copyright © 1990, Wiley Blackwell. All rights reserved

引用

页码：551 / 560

页数：10

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