|本期目录/Table of Contents|

[1]高玉荣,黄玉瑶,曹宏,等.单甲脒农药对模型池塘生态系统藻类群落结构的影响[J].应用与环境生物学报,1995,1(03):209-218.
 Gao Yurong,Huang Yuyao,Cao Hong,et al.EFFECT OF MONOFORMAMIDINE INSECTICIDE ON ALGAL COMMUNITY STRUCTURE IN MODEL POND ECOSYSTEMS[J].Chinese Journal of Applied & Environmental Biology,1995,1(03):209-218.
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单甲脒农药对模型池塘生态系统藻类群落结构的影响()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
1卷
期数:
1995年03期
页码:
209-218
栏目:
论文
出版日期:
1995-08-25

文章信息/Info

Title:
EFFECT OF MONOFORMAMIDINE INSECTICIDE ON ALGAL COMMUNITY STRUCTURE IN MODEL POND ECOSYSTEMS
作者:
高玉荣 黄玉瑶 曹宏 陈俨梅
中国科学院动物研究所,北京 100080
Author(s):
Gao Yurong Huang Yuyao Cao Hong Chen Yanmei
Institute of Zoology, Academia Sinica, Beijing 100080
关键词:
藻类群落结构单甲脒农药模型池塘生态系统生态效应
Keywords:
algaecommunity structureN-(24-dimethylphenyl)-N-methyl formamidine hydrochloridemodel pond ecosystemecological effect
摘要:
在1.5-50.0mg/L的浓度范围内,单甲脒农药对模型池塘生态系统中的浮游植物群落结构有明显影响。尤其在加药的头4d内,藻类种类、数量、多样性指数、种类数比及增长率明显下降,优势比显着上升,敏感种及清洁种减少甚至消失,高浓度(50.0mg/L)的单甲脒在2d内可把藻类全部杀灭。随试验时间的延长,药物不断降解,6d后藻类种类、数量、多样性指数又不断回升。随加药次数的增多,药物对藻类抑制作用明显减弱,藻类的种类、数量、多样性指数等指标不断上升,尤其是藻类数量增加明显,试验后期,藻类数量高低主要受N、P浓度大小的影响。
Abstract:
This paper deals with the effect of N-1,2-dimethylpheny1-N-methyl for mamidine hydrochloride(DMAH)on algal community structure in model pond ecosystems of 3m3 with in 90 days.Algal community structure was obviously affected by DMAH at concentration from 1.5 to 50.0mg/L.Especially,in the first 4 days after DMAH applied,algal species,density,diversity index,ratio of species number and growth rate were obviously reduced,but the do minant ratio was remarkably increased and sensitive and clean water species disappeared.Within 2 days all kinds of algae were killed completely when exposured to the concentration of 50 mg/L DMAH.As the experiment was continued and DMAH gradually degraded,and about 6 days later,the species,density,diversity index of algae were recovered gradually in the model pond.It was found that the in hibition of algae by DMAH was reduced gradually after DMAH applied more times at a 2 week interval.The results in dicated that the raise of the index above and increase of algae was mainly related to the N.P concentration.

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备注/Memo

备注/Memo:
收稿日期:1995-1-25;接受日期:1995-2-28。
基金项目:国家自然科学基金项目。
更新日期/Last Update: 1900-01-01