SEASONAL-CHANGES IN THE CHEMICAL-COMPOSITION OF CERATOPHYLLUM-DEMERSUM L IN A SMALL POND

被引：6

作者：

PIP, E ^{[1
]}

PHILIPP, K ^{[1
]}

机构：

[1] UNIV WINNIPEG,DEPT CHEM,WINNIPEG R3B 2E9,MANITOBA,CANADA

来源：

INTERNATIONALE REVUE DER GESAMTEN HYDROBIOLOGIE | 1990年 / 75卷 / 01期

关键词：

alkaloids; carbohydrate; Ceratophyllum; fatty acids; periphyton; protein;

D O I：

10.1002/iroh.19900750107

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Seasonal content of total soluble carbohydrate, total soluble protein, free fatty acids and alkaloids were examined in a population of Ceratophyllum demersum growing in a pond on the southwestern edge of the Canadian Shield. Total soluble carbohydrate and total soluble protein were inversely correlated. Free fatty acids were dominated by (16:0 + 16:1), 18:2 and 18:3. Relative proportions of the different free fatty acids remained roughly constant throughout the season. Alkaloid concentrations showed large fluctuations, with the highest values found during the first half of the season. Carbohydrate and protein contents of associated periphyton were not correlated with host macrophyte metabolism. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：71 / 78

页数：8

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