摘要
池塘中菹草着生藻类包括硅藻门、绿藻门、蓝藻门、裸藻门、黄藻门和隐藻门的种类 ,共 5 0属 6 8种 ;常见优势种以硅藻门和绿藻门的种类为主。菹草整个生活史中 ,着生藻类的平均着生密度以硅藻门最大 (2 9.90× 10 3 ind ./cm2 ) ,其次为绿藻门 (16 .87× 10 3 ind ./cm2 )和蓝藻门 (13.5 2× 10 3 ind./cm2 ) ;就平均生物量而言 ,硅藻门 (70 .2 0 μg/L)较其他藻类高得多。着生藻类的着生与菹草生长相互抑制 。
Samples of Potamageton crispus L. were collected in different growing seasons of the plants and the species composition and quantitative feature of periphytic algae on them were investigated. Altogether 68 species of periphytic algae were found, involving 50 genera. The algae were categorized in the phyla of Bacillariphyta, Chlorophyta, Cyanophyta, Euglenophyta, Xanthophyta and Cryptophyta. The common dominant species were in Bacillariphyta and Chlorophyta. P. crispus L and the periphytic algae on it restricted each other's growth. The density and biomass of the periphytic algae showed a striking seasonal variation with the growth of P. crispus.
出处
《西南农业大学学报（自然科学版）》
CSCD
北大核心
2002年第3期255-258,共4页
Journal of Southwest Agricultural University
基金
重庆市"九五"攻关项目 (1 999847)资助
