Ehsanul Karim

ORCID: 0000-0003-4193-040X
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About
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Research Areas
  • Fish Biology and Ecology Studies
  • Marine and fisheries research
  • Fish Ecology and Management Studies
  • Fisheries and Aquaculture Studies
  • Aquaculture Nutrition and Growth
  • Water Quality and Pollution Assessment
  • Advanced Antenna and Metasurface Technologies
  • Fish biology, ecology, and behavior
  • Transboundary Water Resource Management
  • Marine Bivalve and Aquaculture Studies
  • Aquatic Ecosystems and Biodiversity
  • Aquaculture disease management and microbiota
  • Ichthyology and Marine Biology
  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Invertebrate Immune Response Mechanisms
  • Aquatic life and conservation
  • Metamaterials and Metasurfaces Applications
  • Optical Wireless Communication Technologies
  • Energy and Environmental Systems
  • Crustacean biology and ecology
  • Heavy metals in environment
  • Child Development and Digital Technology
  • Groundwater and Watershed Analysis
  • Greenhouse Technology and Climate Control
  • ICT in Developing Communities

Bangladesh Fisheries Research Institute
2016-2024

Kennesaw State University
2024

BRAC University
2023

Bangladesh University of Engineering and Technology
2023

Shahjalal University of Science and Technology
2021

Ocean University of China
2018-2020

Sylhet Agricultural University
2020

The Sundarban Mangrove Forest (SMF) is an intricate ecosystem containing the most varied and profuse natural resources of Bangladesh. This study presents empirical research, based on primary secondary data, regarding social-ecological system (SES), dynamics, different stakeholders relevant management policies small-scale or artisanal fisheries such as SMF; showing how, despite extensive diversification, livelihood activities fishers in SMF all depend forest itself. Regardless this critical...

10.1016/j.aaf.2017.12.002 article EN cc-by Aquaculture and Fisheries 2018-01-01

Blue swimming crab (Portunus pelagicus) is one of the most important commodities softshell industry. Besides mud its demand as feed increasing day by day. As a coastal dominant country, Bangladesh has great feasibility this species in culture, production, use and export. However, production contribution from still natural sources far behind terms farming, culture production. Optimization larval rearing techniques therefore to develop intensive hatchery technique for species. So, study aimed...

10.14710/ik.ijms.29.1.147-155 article EN cc-by-sa Deleted Journal 2024-02-24

CMSY method was used to calculate Biological Reference Points (BRPs) of Harpadon nehereus using seventeen years (2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012)(2013)(2014)(2015)(2016)(2017) catch data from the Bay Bengal (BOB), Bangladesh.CMSY requires only and resilience with quantitative stock status information.Also, a Bayesian statespace implementation Schaefer production Model (BSM) used.The lowest Maximum Sustainable Yield (MSY) provided by BSM (60600 t) that...

10.15666/aeer/1806_80238034 article EN Applied Ecology and Environmental Research 2020-01-01

The anadromous Hilsa shad (Tenualosa ilisha) fishery is the prime single species of Bangladesh that driven by open access system which was selected for this study. Key purpose study to assess MSY (Maximum Sustainable Yield) in order review effectivity ongoing management policy fishery. For reason, time series maritime or downstream catch-effort data Bay Bengal were assembled from Department Fisheries, Bangladesh. MSY, CPUE and other population parameters estimated through Surplus Production...

10.1016/j.aaf.2019.02.005 article EN cc-by Aquaculture and Fisheries 2019-03-08

Pomfrets is one of the amplest high priced fishery among all fisheries Bay Bengal, Bangladesh. The present study featuring comparison life history parameters three i.e. Silver (Pampus argenteus), Chinese chinensis) and Black (Parastromateus niger) based on monthly length frequency data from commercial landings during July 2015 to June 2016. Length(TL) range were 8 55cm weight(W) varied 24 1302g. Allometric growth pattern was found in cases estimating LWR. VBGF for L∞= 54.6cm, K= 0.39yr-1...

10.22092/ijfs.2018.119873 article EN 2020-03-10

Wetlands are considered as the heart of natural feeding and breeding grounds many indigenous fishes Bangladesh.These also most diversified habitat in world.However, wetlands Bangladesh danger extinction due to various manmade causes.Therefore, need special attention conserve this unique ecosystem Bangladesh.As a part conservation measures needed for wetland ecosystem, present study was undertaken describe abundance diversity status fish Dingapota identify key environmental factors...

10.54319/jjbs/160303 article EN Jordan Journal of Biological Sciences 2023-08-31

Wetlands are the major climatically vulnerable habitat globally. In Bangladesh, Haors representative of wetland that plays a significant role in ecology, economy, and social structure. present study, physicochemical biological properties their interaction Mithamoin haor Kishoreganj district Bangladesh were depicted based on samples collected from July 2020 to June 202. total, 46 genera representing 4 different groups phytoplankton identified comprising highest percentages Chlorophyceae...

10.1016/j.heliyon.2023.e22770 article EN cc-by-nc-nd Heliyon 2023-11-28

This study was selected to assemble the current information in order establish a massbalanced ecosystem model within resettled maritime limit zone of Bay Bengal, Bangladesh through ECOPATH approach covering over 90000 km 2 .A total 19 functional groups were considered demonstrating all trophic levels food web where estimated interactions between varied from 1 (primary producers and detritus) 3.45 (sharks).The ecotrophic efficiency (EE) most consumers >0.80; indicating largely exploited high...

10.15666/aeer/1603_31713196 article EN Applied Ecology and Environmental Research 2018-01-01

A checklist of the native fishes Roktodaho beel Adamdighi and Raninagar Upazila under Bogura Naogaon districts Bangladesh, where data were collected monthly by field survey, focus group discussions, personal interviews using a semi-structured questionnaire pictorial check list fish species from professional fishing boat caught different nets, traps, hooks July 2021 to June 2022. total 36 8 orders belonging 19 families recorded, which 29%, 28%, 25%, 8% available, seasonal, rare, very...

10.26832/24566632.2023.080206 article EN Archives of Agriculture and Environmental Science 2023-06-25
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