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Present Status of Fish Biodiversity in Jamunashwori River Under Mithapukur Upazilla Rangpur, Bangladesh

Md. Abdul Halim
Scientific Officer, Bangladesh Fisheries Research Institute, Freshwater Sub-station, Jessore, Bangladesh

Md. Moshiur Rahman
Scientific Officer, Freshwater Station, Bangladesh fisheries Research Institute, Mymensingh, Bangladesh

Md. Shahidul Islam
Senior Scientific Officer, Bangladesh Fisheries Research Institute, Freshwater Station, Mymensingh, Bangladesh

AHM Kohinoor
Principle Scientific Officer, Bangladesh Fisheries Research Institute, Freshwater Station, Mymensingh, Bangladesh

Abstract/ Executive Summary:

The present study was continued to measure present status of fish biodiversity in Jamunashwori River under Mithapukur upazilla, Rangpur, Bangladesh for a period three months from January to March 2017. The survey was done by questionnaire interviews of fishermen, focus group discussions (FGD), key informant interviews (KII) and secondary data collection. The present study had revealed the presence of 46 species under 18 family of fish from the Jamunashwori River. Among the recorded 46 species; 18 species were abundant (39.13%), 11 species common (23.91%), 11 species less common (23.91%) and 6 species were rare (13.04%) respectively. Catfishes (21.74%) were the most dominant group followed by Carps (19.56%), Barbs and Minnows (15.22%), Perches (10.87%), Snakeheads (87.70%), Eels (6.52%) and Miscellaneous (17.39%) respectively. According to IUCN (2015a, b) 46 species were recorded that 73.91% were least concern, 4.38% vulnerable, 10.87% near threat and 10.87% endanger respectively. This study will be very helpful to identify areas of high fish biodiversity and to select nature reserves to mitigate the loss of fish biodiversity in the Jamunashwori River.

Keywords: Fish Biodiversity, Jamunashwori River, Mitigation of biodiversity loss

Location: Jamunashwori river under Mithapukur upazilla Rangpur, Bangladesh

Start Date:

End Date:

Program Area: Conservation and Biodiversity

Commodity: Fish

Objectives:

The present study was carried out to know the present status of fish biodiversity

Methodology:

The study was carried out in Jamunashwori River under Mithapukur upazilla in Rangpur district during period of January to March 2017. In the study, a total of 75 fishermen (both professional and subsistence) were randomly selected from three union (Khoragachh, Mayanpur and Balua Masumpur) surrounding the river. The river is located in between 25°26' and 25°41' north latitudes and in between 89°06' and 89°27' east longitudes. At first, primary information was collected from Senior Upazila Fisheries Officer, Mithapukur regarding the fish biodiversity and fish availability in Jamunashwori River. During collection of data, both primary and secondary sources were considered. For the study a combination of interview schedule, participatory rural appraisal (PRA) tool such as, focus group discussion (FGD), social mapping and cross interviews with key informants were used for fishermen. The collected data were summarized and processed for analysis by using MS Excel and SPSS-20 version. Tables, graph, pie-chart etc. had been used for data presentation.

Source of Information: International Journal of Fauna and Biological Studies 2017;4(3): 26-31

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Nowadays the fish biodiversity of the Jamunashwori river is under great threat due to fishing pressure, overfishing, pollution, siltation, urbanization and human intervention. These have been created a great impact on this river ecology. As a result, the water quality is deteriorating day by day and the availability of fish species and other aquatic biodiversity is decreasing gradually. The complete drying up in many parts of this river is a common scenario during the lean season, which is detrimental to fish populations and ecosystem. The findings of the study will be applicable to the management of this river. Our govt. should take proper steps to save fish biodiversity in this river. People in adjacent areas should awareness. Moreover, the findings will be useful to students, researchers and policy makers.

Knowledge Management: Journal