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Hydrobiological Studies Within the Tea Gardens at Srimangal, Bangladesh. Iv. Desmids (17 Genera)

A. K. M. NURUL ISLAM
IUCN - The World Conservation Union, Bangladesh Country Office, House 11,Road 138, Gulshan 1, Dhaka 1212.

HASEEB MD. IRFANULLAH
Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

Abstract/ Executive Summary:

Fifty-nine taxa of desmids under 17 genera, namely Cylindrocystis, Netrium, Spirotaenia, Gonatozygon, Penium, Closterium, Pleurotaenium, Triploceras, Triplastrum, Hyalotheca, Groenbladia, Bambusina, Teilingia, Sphaerozosma, Spondylosium, Onychonema and Desmidium have been recorded from different aquatic habitats located within the tea gardens at Srimangal, Maulvi Bazar. Eight taxa are described as new records for Bangladesh including two genera, namely, Cylindrocystis and Spirotaenia.

Keywords: Desmids, Acidic habitats, Phytoplankton, New records

Location: Srimangal, Bangladesh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Tea, Water quality

Objectives:

For determining the Hydrobiological studies within the Tea gardens at Srimagal, Bangladesh. IV Desmins (17 Genera)

Methodology:

For the description and meteorological data of the study area see Islam and Irfanullah (2000). The studied water bodies, namely, Baraoora Lake, the Burburia River, ditches and paddy fields were mostly acidic (Islam and Irfanullah 2005). In the winter of 1996 (9 January) and in different seasons of 1997 (winter, 6 January; spring, 18 March; rainy season, 20 July and autumn, 20 October), a total of 120 algal samples were collected. See Islam and Irfanullah (2005) for the sample collection methods, and their preservation and examination.

Source of Information: Bangladesh J. Plant Taxon. 12(2): 49-62, 2005 (December)

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The present study reveals 59 taxa of desmids belonging to 17 genera of which eight taxa are newly recorded for Bangladesh (marked by * asterisks). Nonetheless, a few algal taxa have already been reported as new records by the same authors from this area (Islam and Irfanullah 1998, 1999), which are not marked in this account.

Knowledge Management: Journal