Dr Md. Tariqul Alam

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• B.Sc. Fisheries, MS in Aquaculture and Management, Ph.D.
• Professor at Sylhet Agricultural University

Climbing perch, Anabas testudineus, were fed four diets: D0, D500, D1000 and D1500, containing 0, 500, 1000 and 1500 mg of vitamin C per kg of basal diet, respectively, over 70 days. After the growth trial, significantly higher final weight, percent body weight (%WG) and specific growth rate (SGR) were observed in fish fed D1000 followed by D500 an...

The comprehension of plankton communities is essential for the advancement of aquaculture, as they have a significant impact on environmental variables. In this regard, the study was conducted to investigate the ecological ramifications of nutrient management on the plankton community in pond. The experiment featured four treatments, each with thre...

Because of their impact on environmental variables, understanding plankton communities is crucial for aquaculture. This assay was performed with a view to examining the ecological effect of nutrient managements on plankton community in pond with four treatments having three replications; T0 was control without feed and fertilizer, T1 with only fert...

This study evaluated the status of the well-being of wild Nandus nandus in the Kawadighi Haor through morphometric and gastrointestinal indices and local people's perceptions. Basic macroscopic morphology of the gastrointestinal tract (GIT), the viscera somatic index (VSI), the hepatosomatic index (HSI), the condition factor (K), length-weight rela...

COVID-19 pandemic disrupts the supply chain of small-scale tropical pelagic fisheries: Lessons from Bangladesh. Poster presented While the impacts of the Covid-19 pandemic and its mitigation measures have created unprecedented crises worldwide, small-scale fishing communities are likely to be among the worst affected professional groups. These poor...

The Red Swordtail Xiphophorus hellerii, a globally popular ornamental fish, gains an increasing interest in Bangladesh due to its attractive color and its recent high commercial value. However, available information on habituation, feed acceptance, and effects of feeding on growth and body composition are scanty in Bangladesh. This experiment aimed...

The Red Swordtail Xiphophorus hellerii, a globally popular ornamental fish, gains an increasing interest in Bangladesh due to its attractive color and its recent high commercial value. However, available information on habituation, feed acceptance, and effects of feeding on growth and body composition are scanty in Bangladesh. This experiment aimed...

Fish represent an excellent source of animal protein as well as a biomedical research model as a result of their evolutionary relatedness and similarity with the human genome. Commercial and ornamental fish culture has achieved popularity, but reproductive dysfunctions act as a limiting factor for quality fry production, interfering with the sustai...

This research was conducted to explore the status of fish species diversity and production in the Kawadighi Haor of northeastern Bangladesh. Data were collected biweekly through direct catch assessment surveys, focus group discussions, and personal interviews using a questionnaire. A total of 87 fish and prawn species belonging 14 orders and 30 fa...

Oxbow lakes, locally known as baor, have formed during the decades-long process in which dead sections of rivers altered their course while keeping in a considerable amount of water. This chapter discusses the historical evolution of baor management regimes, different management systems, resource status, and users. The findings suggest that the bao...

The investigation was carried out to provide an overview of the current resources and fisheries status of the Surma River and existing fisheries management strategies, especially focusing on fish diversity and conservation. Surma River is one of the largest aquatic ecosystems of Bangladesh and support huge amount of diverse fisheries communities. A...

This research aimed to investigate the present status of disease prevalence and usage of aqua drugs for various aquaculture operations in the Narsingdi region of Bangladesh. Data were collected through the market survey, preset questionnaire interview, personal contact, and participatory rural appraisal tools. Amongst the respondents, the maximum p...

This research was conducted to find out the seasonal (monsoon and post monsoon) variation in gut contents of Labeo calbasu from June to November, 2016 in Dekhar haor of Sunamgonj district, Bangladesh. Three orders of phytoplankton were identified from the gut content viz. Bacillariophyceae (11 genera), Chlorophyceae (9 genera), and Cyanophyceae (4...

Fisheries and the aquaculture sector can play a significant role in the achievement of several of the goals of the 2030 Sustainable Development agenda. However, the current COVID-19 situation can negatively impact the fisheries sector, impeding the pace of the achievement of development goals. Therefore, this paper highlighted the performance and c...

This study identifies the livelihood characteristics of small-scale fishers and how their livelihoods become affected through climate change-induced events, based on fieldwork in four fishing communities in lower Padma hilsa (Tenualosa ilisha) sanctuaries. To collect empirical data, several qualitative tools were employed, such as individual interv...

Small-scale fishers are considered one of the most vulnerable communities in Bangladesh but very few studies focused on the livelihood sustainability and vulnerabilities of this professional-group. Fieldwork in lower Padma and upper Meghna hilsa sanctuaries identifies different livelihood characters and the fishers' vulnerabilities. A conceptual fr...

While there is no established definition of small-scale fisheries (SSF), the term ‘artisanal’ is often used in Bangladesh to specify the fisheries that are smallscale in their attributes. The artisanal fisheries in Bangladesh exists in a mosaic of aquatic habitats including rivers (479,735 ha), estuarine areas (551,828 ha), permanent and semi-perma...

The socioeconomic condition and livelihood was studied. Religious status of the study area was more or less equal-52.66% Muslim and 47.34% Hindu. Educational condition was very poor-65.96% of the total fishermen are either illiterate or can sign only, the major group (35.11%) of fisherman was young of 21-30 years of age, average household size of t...

Oxbow lakes are semi-closed water bodies (locally called Baor) ccupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in south-western Bangladesh was selected. Both primary and secondary data were collected from March to December 2018. Management of...

Oxbow lakes are semi-closed water bodies (locally called Baor) occupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in south-western Bangladesh were selected. Both primary and secondary data were collected from March to December 2018. Management o...

Oxbow lakes are semi-closed water bodies (locally called Baor) occupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in southwestern Bangladesh were selected. Both primary and secondary data were collected from March to December 2018. Management of...

Oxbow lakes are semi-closed water bodies (locally called Baor) occupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in southwestern Bangladesh were selected. Both primary and secondary data were collected from March to December 2018. Management of...

Oxbow lakes are semi-closed water bodies (locally called Baor) occupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in southwestern Bangladesh were selected. Both primary and secondary data were collected from March to December 2018. Management of...

Oxbow lakes are semi-closed water bodies (locally called Baor) occupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in southwestern Bangladesh were selected. Both primary and secondary data were collected from March to December 2018. Management of...

Oxbow lakes are semi-closed water bodies (locally called Baor) occupied by dead channels of rivers. To evaluate the existing status of Baor fisheries two Baors (Baluhor and Nasti Baor) of different management practices in southwestern Bangladesh was selected. Both primary and secondary data were collected from March to December 2018. Management of...

The experiment was conducted to assess the livelihood status of fish farmers and aquaculture conditions in Habigonj Sadar upazila under Habigonj district for a period of six months from January 2018 to June 2018. The study revealed that maximum number of fish farmers (56%) was remaining between age group of 41-60 years, primary educated (38%), live...

The present study was conducted to investigate the peak spawning timing based on the reproductive performance of carps species related to limnoecology variables, emphasizing to assess within fish population breeding variability and monthly effects over a period from April to July 2016 in the haors basin of Bangladesh. The reproductive performances...

The present study was conducted to identify the existing marketing system, availability of fish species and socioeconomic status of Arotdars in Moulvibazar Sadar, Shreemongal and Kulaura from the period of January 2017 to December 2017. Highest amount was exotic fishes (67.49% in Kulaura to 70.46% in Shreemongal), lowest was small indigenous specie...

The experiment was conducted to assess the livelihood status of fish farmers and aquaculture conditions in Habigonj Sadar upazila under Habigonj district for a period of six months from January 2018 to June 2018. The study revealed that maximum number of fish farmers (56%) was remaining between age group of 41-60 years, primary educated (38%), live...

Aquaculture remains a growing, vibrant and important food production sector. Chemicals and drugs are widely used to increase aquaculture production in Bangladesh. A study was carried out to assess the aqua drugs and antibiotics used in aquaculture activities in north Chittagong of Bangladesh. Data were collected through questionnaire interview, per...

The experiment was conducted to assess the livelihood status of fish farmers and aquaculture conditions in Habigonj Sadar upazila under Habigonj district for a period of six months from January 2018 to June 2018. The study revealed that maximum number of fish farmers (56%) was remaining between age group of 41-60 years, primary educated (38%), live...

The experiment was conducted to assess the livelihood status of fish farmers and aquaculture conditions in Habigonj Sadar upazila under Habigonj district for a period of six months from January 2018 to June 2018. The study revealed that maximum number of fish farmers (56%) was remaining between age group of 41-60 years, primary educated (38%), live...

Aquaculture remains a growing, vibrant and important food production sector. Chemicals and drugs are widely used to increase aquaculture production in Bangladesh. A study was carried out to assess the aqua drugs and antibiotics used in aquaculture activities in north Chittagong of Bangladesh. Data were collected through questionnaire interview, per...

A total of 44 fish taxa were recorded by sampling from inside the fishpass installed between the KushiJrara rlver and Kawadighi haor. Sylhet. Of them, 44 species were recorded in concurrent swimming mode and only 23 species were recorded in countercurrent s$.imming mode. The most frequently occurring small fish species were the glass perch, barbs,...

Investigation on the species wise status, supply and demand and source of the fish was conducted in the Gollapara fish market of Tanore upazilla under Rajshahi district during January to December 2007. A total of 69 species of fish and 2 species of prawn were found in the market. About 349 t fish was supplied in the market during the whole study pe...

A study on the improved extensive culture of tiger shrimp (Penaeus monodon) with and without feed and fertilizer was carried out in six ponds at Shyamnagor thana under satkhira district. The study was conducted during the summer season (April to september,2001). The treatments were control (T,) i.e. without feed and feftrliier, T, *I"tu only fertil...

GroMh performance of all male tilapia (Oreochromis niloticus) fry was evaluated in hapas set up in earthen ponds located at Baneswar of Puthia Upazila under Rajshahi District. The experiment was conducted witn tne treatments of stocking densities viz. Tr (4000 fry hapa-l 1, T, (5000 fry hapa-1) and T: (6000 fry hapa-1) each and one control withiwo...

Effect of feed and fertilizer on the growth of monosex tilapia in pond was assayed from August to November 2013. The experiment trail was done with 4 treatments (T 0 control and T 1 only fertilizer, T 2 feed + fertilizer, T 3 feed) having 3 replications each. Lime was administrated at 617.5 kg/ha. The stocking density was 49400 (0.3 g each)/ha/pond...

Population growth (length-weight relationship), and reproductive potential (e.g. fecundity, and sex-ratio) of five important fish species (‘mola’: Amblypharyngodon mola, ‘puti’: Puntius sophore, ‘tengra’: Mystus vittatus, ‘shing’: Heteropneustes fossilis and ‘taki’: Channa punctatus) collected from two important fresh water bodies (namely Hilna bee...

An experiment was carried out using four chemicals (formalin, urea, clear, potent) with a view to find out a suitable range to be used in actual lethality trials. The experimental trial was conducted for a period of 7 days. The mortality of fish was recorded at 1-day, 2-day, 3-day, 5-day (insecticides) treatment of exposure. Hundred percent mortali...

In an effort to develop a suitable polyculture techniques of Indian major carps with small indigenous species of fish, an experiment was carried out to evaluate the production potential of mola- Amblypharyngodon mola, punti- Puntius sophore and chela- Chela cachius with Indian major carps- rohu, catla and mrigal for a period of six months. Water qu...

A study was conducted in Roktadaha beel, an inland open water reservoir, in Bogra and Naogaon district to determine the impact of environmental factors on fish disease. During the study period (for nine months) a total of 18 species comprising both Indian major carps and existing native fishes were collected. Among them only four species Hypophthal...

Effect of feed and fertilizer on the growth of monosex tilapia in pond was assayed from August to November 2013. The experiment trail was done with 4 treatments (T 0 control and T 1 only fertilizer, T 2 feed + fertilizer, T 3 feed) having 3 replications each. Lime was administrated at 617.5 kg/ha. The stocking density was 49400 (0.3 g each)/ha/pond...

The present study was conducted to evaluate nutritional and microbiological quality of the semi-fermented fish product, locally known as Chepa Shutki. Samples were collected from producers and retailers in Kuliarchar upazilla of Kishoreganj and Ashuganj upazilla of Brahmanbaria district as well as control sample were prepared with proper hygiene an...

This study was conducted to explore the present status and problems of fish seed marketing system in Sylhet district, Bangladesh. Data were collected through questionnaire interview from the selected areas during April to September 2016. Brood fishes were collected from wild sources as well as hatchery produced brood fishes also used for seed produ...

The present study was conducted to assess the loads and impacts of agrochemicals used at Rajnagar upazilla near the Kawadighi haor. Data were collected from 180 farmers, 100 fishermen and 12 agrochemicals dealers through questionnaire interview. Most of the farmers were marginal farmers (47%). Amount of crop land used by 180 farmers was 239.258 hec...

The present study was conducted to know the constraints and prospects of fish farming in Lalmonirhat district of Bangladesh. The data were collected from 100 fish farmers through questionnaire interview for a period of four months from July 2014 to October 2014. Most of the ponds were perennial (72%) with an average size of 0.41 ha and a depth of 1...

A study was carried out to observe the production potential and environmental impacts on small indigenous fish species in Kumari Beel and Hilna beel, two important water wetland resources of Rajshahi, Bangladesh from July 20014 to June 2016. A total of 93 species of bony fish and two species of prawn were recorded of which three were exotic. Averag...

Water bodies often receive agrochemicals indiscriminately, but we know little about the effects of agrochemicals on the flora and fauna of the water bodies. In this study we assess the direct effects of pesticides and fertilizer on the fish production and biodiversity of two important beels; Hilna beel and Kumari beel of Rajshahi district, Banglade...

The levels of the physicochemical characteristics of water and their correlation matrix of two important wetland beels namely Hilna beel and Kumari beel in the north western part of Bangladesh were determined once a month between July 2009 to June 2010 by using standard methods. A one way ANOVA, followed by DMRT analysis were used to analyze the ef...

The levels of the physicochemical characteristics of water and their correlation matrix of two important wetland beels namely Hilna beel and Kumari beel in the north western part of Bangladesh were determined once a month between July 2009 to June 2010 by using standard methods. A one way ANOVA, followed by DMRT analysis were used to analyze the ef...

The present study investigated traditional process of fish drying in three representative fish drying areas in Sylhet district of Bangladesh namely Tuker bazar, Mahtabpur and Amtoli during October 2012 to March 2013. A total of 20 dried fish processors, selected randomly from three sites (6 from Tuker bazar, 8 from Mahtabpur and 6 from Amtoli), wer...

A study was conducted on fish marketing system to find out different marketing channels, marketing cost, and margins of fish at different intermediaries in Moulavibazar district, Northeast Bangladesh. It was carried out from August 2012 to July 2013 in six markets through questionnaires method. A large number of intermediaries were involved in fish...

An exploratory survey was conducted to investigate farmers dependency on fish farming for their livelihood in three upazilas of Sylhet district namely Kanighat, Gowainghat and Golabgonj from July to December 2013. Sixty fish farmers were interviewed using a semi-structured questionnaire. The study showed that in all farming systems middle aged farm...

The investigation was conducted on the socio-economic condition of fishermen in Jelepara under Pahartoli of Chittagong district. Randomly selected 50 were interviewed among 200 fishermen. From the survey it was found that 94% fishermen were male and 6% were female. A large portion was Hindus (88%) and rest was Muslims (12%). About 84% were found ma...

A comprehensive chemical analysis study was conducted to assess the sediment properties of two important fresh water bodies: beels (Hilna beel and Beel Kumari beel) of Rajshahi division, Bangladesh from July 2007 to June 2008. Average pH, organic matter, organic carbon, total nitrogen, phosphorus, available sulphur, zinc, and potassium of the botto...

Apparent digestibility coefficient (ADC) of high fishmeal replaced practical diets for climbing perch (Anabus testudineus) was determined by gradual replacement level of dietary fish meal with equal ratio of meat and bone meal (MBM) and protein concentrate (PC). Four iso-nitrogenous diets (40% crude protein) were formulated by replacing 0 (T 1), 70...

Apparent digestibility coefficient (ADC) of high fishmeal replaced practical diets for climbing perch (Anabus testudineus) was determined by gradual replacement level of dietary fish meal with equal ratio of meat and bone meal (MBM) and protein concentrate (PC). Four iso-nitrogenous diets (40% crude protein) were formulated by replacing 0 (T 1), 70...

Breeding biology of a small indigenous fish Channa punctatus collected from Hilna beel and Beel Kumari of Rajshahi was studied during the period from April to October 2008. The fecundity of Channa punctatus collected from Hilna beel varied from 3917.8±989.205 to 19220.8±844.689 and 2807±517.929 to 20260.5±16.263 collected from Beel Kumari. The rela...

Socio-economic conditions and livelihood status of the fishing community of Ichamati river jolkor in Santhia upazilla under Pabna district were studied during January to June, 2006. Data were collected from randomly selected 250 fishermen through participatory rural appraisal and personal interview using a well structured questionnaire. The fisherm...

Present status of fish species in the Chalan beel- the largest beel (Wetland) of Bangladesh, was studied for during August 2006 and September 2007. Field survey was carried out in over 15 spots under 9 Upazila namely Natore Sadar, Singra, Baraigram, Gurudaspur in Natore district, Chatmohor, Bhangura in Pabna district, Nandigram in Bogra district, A...

A trial was conducted to evaluate the effects of combination of soybean meal (SBN), mustard oilcake (MOC), sesame oilcake (SOC) and linseed oilcake (LOC) as alternative for dietary fish meal (FM) protein for Labeo rohita fingerling for a period of 56 days. Six experimental diets were formulated by replacing 30, 50, 60, 70 and 100% (2 diets) of the...

A study was carried out on the optimal dose of inorganic fertilizer used in carp polyculture system over a period of 10 months. Three treatments were assigned: without inorganic fertilizer, with the application of 100 kg/ha/month inorganic fertilizer and 150 kg/ha/month inorganic fertilizer as T1, T2 and T3, respectively. Each treatment had three r...

Abstract: Food and fleeding habit of pond reared young Gudusia chapra (2 to 8 cm total length) was studied. Fish feed on a range of food items including phytoplankton, zooplankton and detritus, Food analysis by point method indicated that fish feed mainly on detritus and phytoplankton having a change of food habit to mainly phytoplankton and debris...