As-Ad Ujjaman Nur

ORCID: 0000-0002-0963-6131
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Research Areas
  • Recycling and Waste Management Techniques
  • Microplastics and Plastic Pollution
  • Heavy metals in environment
  • Fish Biology and Ecology Studies
  • Aquaculture Nutrition and Growth
  • Mercury impact and mitigation studies
  • Heavy Metal Exposure and Toxicity
  • biodegradable polymer synthesis and properties
  • Nanoparticles: synthesis and applications
  • Fish Ecology and Management Studies
  • Marine Bivalve and Aquaculture Studies
  • Aquaculture disease management and microbiota
  • Water Quality and Pollution Assessment
  • Coral and Marine Ecosystems Studies
  • Climate change impacts on agriculture
  • Marine Biology and Ecology Research
  • Marine and fisheries research
  • Heavy Metal Pollution Remediation
  • Effects and risks of endocrine disrupting chemicals
  • Fisheries and Aquaculture Studies
  • Water Quality Monitoring Technologies
  • Global Trade and Competitiveness
  • Fish biology, ecology, and behavior
  • Climate Change, Adaptation, Migration
  • Environmental Toxicology and Ecotoxicology

Noakhali Science and Technology University
2020-2024

Griffith University
2023

Kuakata beach, known as Daughter of Sea in Bangladesh, has drawn a growing number tourists from all over the world, leading to higher use single plastic products. This study was first attempt describe occurrence, spatial distribution, and ecological risk microplastics (MPs) beach sediments. A total 24 surface sediment samples were collected intertidal zone MPs extracted using density separation method stereomicroscope. Fourier transform infrared (FTIR) spectroscopy used for qualitative...

10.3389/fmars.2022.860989 article EN cc-by Frontiers in Marine Science 2022-04-13

Estuarine contamination by Microplastics (MPs) is a mater of serious concern since these areas offer the society valuable ecosystem, economic, and recreational services such as breeding feeding ground for fish, carbon fixation, nutrients recycling port development. The Meghna estuary, located along Bengal delta coast, provides livelihoods thousands peoples in Bangladesh, served national Hilsha shad. Therefore, knowledge understanding on any kind pollution including MPs this estuary...

10.1016/j.envres.2023.115594 article EN cc-by Environmental Research 2023-03-10

Heavy metal contamination in aquaculture farm sediment may create a major risk to ecosystem and human health via the food web as result of poor handling, incorrect waste management, extensive use artificial feed increase yield make profit. In this study, heavy metals (e.g., Cd, Cr, Pb, Cu, Zn, Mn, Ni) were analyzed examine accumulation, sources, levels from bottom samples 12 different commercial farms South Asian coastal area using atomic absorption spectrometer (AAS). The findings revealed...

10.3389/fenvs.2023.1148360 article EN cc-by Frontiers in Environmental Science 2023-05-05

Malnutrition has emerged as a noticeable obstruction to the socio-economic advancement of rural areas along coastal regions Bangladesh. Small indigenous fish species (SIS) have potential alleviate malnutrition issue because having higher nutritional compositions. However, prior research overlooked detailed value SIS originating from regions. Consequently, current investigation sought analyze mineral and fatty acid composition twelve obtained homestead ponds. The findings indicated that in...

10.1016/j.heliyon.2024.e24445 article EN cc-by Heliyon 2024-01-01

Groundwater (GW) plays a crucial role as the primary source of potable water in numerous developing nations. However, increasing presence microplastics (MPs) represents concealed danger, threatening activities that guarantee safe drinking these countries. Despite this, there is limited awareness about widespread existence MPs regions world. In this study, we investigated contamination levels, distribution, morphological characteristics, chemical composition, and associated public health risk...

10.3389/fenvs.2024.1379311 article EN cc-by Frontiers in Environmental Science 2024-05-24

Trace-element or heavy-metal pollution has emerged as a serious concern in terms of both environmental and human health issues. This study measured six trace toxic heavy metals (Pb, Cd, Cr, Ni, Cu, Zn) four marine fish shrimp species to assess their accumulation levels evaluate the risks health. The mean concentrations (Labeo bata, Sillaginopsis panijus, Platycepalus fuscus, Penaeus monodon) followed decreasing order Zn (40.8 ± 9.7 μg/g) > Cu (17.8 7.1 Pb (6.2 1.8 Ni (0.4 0.3 Cd (0.06 0.02...

10.3390/biology11121780 article EN cc-by Biology 2022-12-07

Microplastics (MPs) as hazardous contaminants has drawn the rapid attention of general public due to their omnipresence and adverse impacts on ecosystems human health. Despite this, understanding MPs contamination levels in estuarine along Bay Bengal coast remains very limited. This research focused presence, spatial distribution, morpho-chemical characteristics ecological implications water sediment from five key estuaries (Meghna, Karnaphuli, Matamuhuri, Bakkhali, Naf rivers) within delta....

10.1016/j.envpol.2023.123036 article EN cc-by Environmental Pollution 2023-11-28

Functioning of coastal wetland habitats is essential for the ecosystem integrity and sustainability development that enables human progress along transitional waterways. However, these are continuously being affected by a variety pollutants including metallic elements. In this study, seasonal variation, pollution status ecological risks heavy metals (Cr, Mn, Co, Ni, As, Cu, Zn Pb) in surface sediment several types wetlands (estuaries, mudflats, sandy beaches, mangroves, saltmarshes) were...

10.1016/j.marpolbul.2023.115337 article EN cc-by Marine Pollution Bulletin 2023-07-27

Microplastics (MPs) have become pervasive in the environment, posing a threat to living organisms, and human health. Therefore, MPs been extensively investigated bodies of water, soils, atmosphere. However, there is limited information about contamination drinking water sold plastic packaging from underdeveloped countries. In this study, we analyzed samples 10 different common brands bottled detect characterize using stereomicroscopic FTIR techniques. Oral consumption per capita was also...

10.3389/fenvs.2023.1232931 article EN cc-by Frontiers in Environmental Science 2023-07-06

This study examines social, economic, and ecological adaptation strategies for small-scale Hilsa fishers in Bangladesh’s coastal areas response to the impacts of climate change. The fishery communities dependent on it are vulnerable adverse effects change, making imperative adopt mechanisms cope with its consequences. Using a mixed-method approach, including in-depth interviews, focus group discussions, review secondary resources, this explores policies, relevant factors, aspects fishing...

10.3389/fmars.2023.1151875 article EN cc-by Frontiers in Marine Science 2023-07-27

Microplastics (MPs) ingestion by fish signifies a worldwide threat to human health but limited research has examined their existence within the consumable portions (muscle) of fish. Thus, this study was undertaken unveil prevalence, characterization, and contamination extent MPs across various body tissues, including muscle king mackerel (S. guttatus) from lower Meghna estuary in Bangladesh—a pioneering investigation region. In our analysis, we identified total 487 MPs, with an average...

10.3390/biology12111422 article EN cc-by Biology 2023-11-12

Illegal, unreported, and unregulated (IUU) fishing can result in loss of revenue, environmental damage, economic for coastal communities, as well a reduction fish stocks. This study aims to generate comprehensive knowledge the historical patterns current status IUU marine waters Bangladesh (BD). Secondary, qualitative, quantitative data were gathered using SWOT conceptual framework. Cluster analysis was performed NVivo qualitative analysis. found that, because lack appropriate robust...

10.3389/fmars.2023.1150213 article EN cc-by Frontiers in Marine Science 2023-06-20

The current knowledge regarding the presence of microplastics (MPs) in digestive tracts fish, particularly non-edible parts, provides limited assistance assessing risk to human health and establishing guideline values for policy-making purposes. Therefore, we conducted first investigation into MPs within commercially significant catfish species S. silondia , form a major tropical estuary their accumulation, characteristics, associated risks various tissues, consumable muscle. A sum 132 were...

10.3389/fsufs.2024.1372059 article EN cc-by Frontiers in Sustainable Food Systems 2024-03-08

The widespread occurrence of heavy metals in aquatic environments, resulting their bioaccumulation within organisms like fish, presents potential hazards to human health. This study investigates the concentrations five toxic (Pb, Hg, Zn, Cu, and Cr) health implications two economically important fish species (Otolithoides pama Labeo bata) from a subtropical estuarine wetland system (Feni estuary, Bangladesh). Muscle gill samples 36 individual were analyzed using energy dispersive X-ray...

10.3390/biology13040260 article EN cc-by Biology 2024-04-14

Microplastics (MPs), an emerging pollutant, have drawn attention on a global scale and been found in various ecosystems. Nevertheless, there is currently lack of information regarding the contamination levels MPs aquaculture ponds worldwide. In this study, sediment water samples were collected from five types fish ponds, namely, homestead (S1), commercial (S2), near residential area (S3), small-scale industrial (S4), large-scale (S5), to identify, characterize, assess risk MPs....

10.3389/fenvs.2023.1251158 article EN cc-by Frontiers in Environmental Science 2023-09-14

Mud crab (Scylla serrata) is one of the most important crustacean species in Bangladesh due to its high economic value. Crab fattening widely practiced country meet export demand while supply for domestic consumption mainly dependent on wild sources. This work reported first time a comparative evaluation nutritional properties and mud crabs. For this purpose, proximate compositions were determined terms total contents protein, moisture, ash, lipid, minerals. Female crabs had highest levels...

10.1016/j.heliyon.2022.e09696 article EN cc-by-nc-nd Heliyon 2022-06-01

Heavy metal accumulation in aquaculture farms has become a major problem due to the widespread use of artificial feed enhance fish productivity. To estimate contamination level and identify sources, we investigated amounts seven heavy metals (Cu, Zn, Pb, Cd, Cr, Ni, Mn) surface water commercial fresh south Asian tropical coastal area. Atomic absorption spectrometry (AAS) was used analyze 36 samples from 12 farms. The results demonstrated that range three were detected decreasing order Mn...

10.3390/toxics10090536 article EN cc-by Toxics 2022-09-14

As an intermediary connection between primary producers and higher trophic levels, zooplankton are important component of the aquatic food chain, contributing significantly to biological productivity. This study describes diversity community structure, as well their relationships with ecological factors, in homestead ponds a coastal district along northern Bay Bengal region. Significant differences (p < 0.05) were detected mean values temperature, pH, DO, TDS, transparency, phosphates...

10.3390/d14090755 article EN cc-by Diversity 2022-09-13

The recent detection of microplastics (MPs) in a large number commercially important food items and beverages, including tap water, has drawn significant attention because direct exposure negative health effects on humans. Nevertheless, there is insufficient information microplastic contamination the water developing countries. In present study, we primarily analyzed supplied samples from four major cities Bangladesh to determine characterize MPs using stereomicroscope Fourier transform...

10.3389/fsufs.2024.1397348 article EN cc-by Frontiers in Sustainable Food Systems 2024-06-03
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