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Fisheries Resources of the River Mahananda

K.A.Nahar
Department of Zoology, Rajshahi University, Rajshahi

M.S.Islam
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh

K.M.Rahman
Department of Agroforestry, Bangladesh Agricultural University, Mymensingh

M.Shamsunnahar
Department of Economics, City College, Pabna,

M.M.Rahman
Supreme seed Co. Ltd.

Abstract/ Executive Summary:

The present study was carried out during April, 2009 to March 2010 on the Mahananda river to determine it fisheries resources. The Mahananda river is one of the major river of the Northern region of Bangladesh. The river orginated from the Ganga river of India. It enters into the Bholahat thana of Chapai Nawabganj district and passed through different parts of this district to meet the Padma river. The fisheries resource of Nawabganj is quite good. A good amount of the fishes are supplied from the Mahananda river to Nawabganj town and its adjacent area. The highest and lowest water level of the Mahananda river were recorded as 19.50m in 1st September, 2009 and 12.32m in 18 April 2010, respectively. During the study period, a total of 111 species of fishes were recorded under 1 class, 11 order, 27 family, 49 genera. Important order are Clupeiforess, Cypriniformes, Beloniformes, Channiformes etc. From the study area 15 species of fisheries items were recorded under classes Crustacea, Gastropoda, Amphibia, Reptilia.

Keywords: Mahananda, Fish species, Resources

Location: The river Mahananada

Start Date: 00-04-2009

End Date: 00-03-2010

Program Area: Resource Development and Management

Commodity: Carp fish

Objectives:

1. The present work deals with the fisheries resource of the river Mahananada. The study mainly deals with a fisheries resource. The present research may be helpful to understand about the number fish, fisheries sp and fisheries items.

Methodology:

The data concerning the present study were collected through the survey method from fishermen and different fish traders. Interview schedules were used to collect various information regarding the name of fish, seasonal abundance, maximum- minimum length. Systematic samples were taken during the period from April 2009 to March 2010. A total of 150 interviews were made with the fisherman, fish traders and people associated with the fishing of the river Mahananada. The fishes were also collected mainly form the fisherman on the spot and also from the retailers of the Nawabganj Bazar and Hat. The specimens thus collected during the investigation were identified primarily in the field. These which appeared difficult to be identified were marked and were brought to the laboratory of Department of Zoology, university of Rajshahi. A total of 500 fish and fisheries specimens brought to the laboratory for taxonomic study from the survey area, which species of fishes and species of other fisheries item like, Arthropoda, Mollusca, Reptilia, were identified. The specimens collected were preserved in 5-10% Formalin according to their size. Taxonomic studies were made on the physical and anatomical features of the collected specimens.

Source of Information: J. Agrofor. Environ. 5 (1): 113-116, 201; ISSN 1995-6983

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The fisheries resources of Mahananda River identified in this study were not reported earlier by any researchers. However, the fisheries resources are largely influenced by aquatic vegetation. These vegetation are responsible for providing food, shelter, protection for fish and fisheries items. The fish species observed in this study varied depending on seasons. Again the identified species were categorized based on their economic importance as “economically important”, more important, and most important. Bangladesh is very rich in freshwater fish species. Inland water bodies contain over 260 species of fishes. During the study period, a total of 111 different species of fishes and 15 species of fisheries items were identified and reported for the first time in Bangladesh.

Knowledge Management: Journal