BUOYANCY PROPERTIES OF THE GIANT DIATOM ETHMODISCUS

被引：46

作者：

VILLAREAL, TA ^{[1
]}

机构：

[1] SUNY STONY BROOK,MARINE SCI RES CTR,STONY BROOK,NY 11794

来源：

JOURNAL OF PLANKTON RESEARCH | 1992年 / 14卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1093/plankt/14.3.459

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

Net-collected Ethmodiscus spp. were examined and found to be capable of positive buoyancy with ascent rates averaging 1.4 m h-1 on individually measured cells, and 0.3 m h-1 using a homogeneous settling technique. These data, together with published reports of positive buoyancy in Rhizosolenia, indicate that upward movement is a widespread phenomenon in large oceanic diatoms. These observations also suggest that published size-rate relationships for marine diatoms require revision to include the effects of positive buoyancy.

引用

页码：459 / 463

页数：5

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