GROWTH-INFLUENCING SUBSTANCES IN SEDIMENT EXTRACTS FROM A SUB-TROPICAL WETLAND - INVESTIGATION USING A DIATOM BIOASSAY

被引：14

作者：

COOKSEY, KE

COOKSEY, B

机构：

[1] Division of Biology and Living Resources, Rosenstiel School of Marine and Atmospheric Science, University of Miami, Miami, Florida, 33149

来源：

JOURNAL OF PHYCOLOGY | 1978年 / 14卷 / 03期

关键词：

Amphora; bioassay; diatom; growth inhibition; heterotrophy; mangrove; mixotrophy; sediments; wetlands;

D O I：

10.1111/j.1529-8817.1978.tb00311.x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A Biological assay using Amphora coffeaeformis var. perpusilla (Grunow) Cleve and A. coffeaeformis (Agardh) Kützing was used to investigate the changes in the properties of soluble organic carbon in sediments taken from a coastal wetland. During January to May, sediment extracts became increasingly inhibitory to diatom growth After the onset of the spring rains, the inhibitory properties of the extracts disappeared. Substances capable of promoting mixotrophic growth and heterotrophic growth were found in extracts taken in July to December. These positive responses took place at the time of mangrove (Rhizophora mangle L.)leaf‐fall. Copyright © 1978, Wiley Blackwell. All rights reserved

引用

页码：347 / 352

页数：6

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