Taxonomical Studies of Three Species of an Epiphytic Alga Coleochaete Bréb. with Ecological Notes in West Bengal, India

Our Nature Pub Date : 2015-12-27 DOI:10.3126/ON.V13I1.14204

Nilu Halder

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引用次数: 2

Abstract

During taxonomical study of Coleochaete Breb., an epiphytic alga , three species viz . Coleochaete nitellarum Jost, Coleochaete pulvinata A. Br. ex Kutz., Coleochaete soluta (Breb.) Pringsh. belonging to the order Chaetophorales under the class Chlorophyceae were recorded in the winter season from three sites of Hooghly district in West Bengal, India. The thallus of C . nitellarum grew diffusely on the submerged angiospermic plants and consists of irregularly branched prostrate filaments. In C . soluta , the erect filaments were freely branched while, upper cells of erect filaments were cylindrical and thallus was hemispherical in C . pulvinata . The most important finding of the limnological work was the higher concentration of DO in the lentic aquatic ecosystems where they occurred that might be due to higher rate of photosynthetic activities and lower temperature of water. This study also exhibited somewhat, lower nutrient status in respect of NO 3 -N: PO 4 3- : K ratios. The review of literatures revealed that C . pulvinata was the second time report and other two taxa were reported third timely from this state. Our Nature (2015), 13(1): 19-25

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三种附生藻绿毛藻的分类研究。与印度西孟加拉邦的生态笔记合作

在colochaete Breb的分类研究中。，一种附生藻类，三种即;黄芩、黄芩、黄芩、黄芩、黄芩、黄芩、黄芩。他表示。， Coleochaete soluta(布雷布)Pringsh。在印度西孟加拉邦Hooghly地区的3个地点均有记录，属绿藻类纲毛藻目。C。nitellum在沉水被子植物上弥散生长，由不规则分枝的匍匐花丝组成。解析:选C。C .直立花丝呈自由分枝，直立花丝上部细胞呈圆柱形，菌体呈半球形。pulvinata。湖沼学工作最重要的发现是，在它们发生的原生水生生态系统中，DO的浓度较高，这可能是由于较高的光合活动速率和较低的水温。该研究还表明，在no3 - n: po4 - 3: K比率方面，营养状况有所降低。文献综述表明，C。Pulvinata为第二次报道，另外2个分类群为第三次报道。我们的自然(2015)，13(1):19-25

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