文档介绍：289 环境科学学报甆
20089 Scientiae Sep2008
代瑞华,刘会娟,曲久辉,等..氮磷限制对铜绿微囊藻生长和产毒的影响肪晨蒲аПǎ:—
Oai R 琇 H JQuJ Heta12008Theeffects — and phosphorus-limitation the and microcystin
Microcystis aeruginosa[J]ActaScientiae Circumstantiae28(9)17391744
氮磷限制对铜绿微囊藻生长和产毒的影响
111
1100085
2100039
200708-09修回日期:.. 2008-0528
(M&rocptUaeruginosa)
铜绿微囊藻的生长和产毒都有明显的抑制作用,,铜绿微囊藻的生物量仅为控
制组的%~%,产毒量也仅为控制组的%一%;并且氮限制会促进细胞分裂,
长和产毒所必需的元素,直接控制着铜绿微囊藻的生长和产毒;所以若培养基中的氮浓度比较低,会直接导致微囊藻的生物量较少和产毒量比
,,在本
实验条件下,水体中氮限制对铜绿微囊藻的生长和产毒影响较大.
关键词:铜绿微囊藻;氮限制;磷限制;生长;产毒
0253-2468(2008)09173906中图分类号: A
The effects nitrogen-limitation and · the and
microcystin Microcystis
DAI 唬琇, JiuhuilZHAOXul
甋 Key Environmental Aquatic ChemistryResearch for SciencesChineseAcademy ,
Beijing 1 00085
2Graduate Chinese Academy SciencesBeijing
9 ; revised ; May
AbstractTheeffects · and — the and mierocystin Microcystis
batch 甌 results the and microcystin largely 瓸 not
—. the conditionsunder· the biovolume was reduced %~%
and mierocystin dropped %一%. , and microcystin not inhibited ·
phosphoruseliminationNitrogenlimitation accelerated the and shortened the cycleNitrogenmay influence the and
because a for and was under
microeystin key element microcystin productionButwhenMicrocystis grown ·
limi