Investigation of Some Water Quality Parameters of the Buriganga River

Saifullah, Asm; Kabir, MH; Khatun, Arifa; Roy, Shimul; Sheikh,

doi:10.3329/jesnr.v5i2.14600

Cited by 15 publications

(27 citation statements)

References 5 publications

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“…Nutrients in water have always had influence on the abundance of primary producers and fishery resources, whereas other aquatic organisms are directly and indirectly dependent on them. So, nutrients, primary producers and hydrobiological factors are interlinked and have influence on the diversity and abundance of fishery resources (Saifullah et al 2012). In the estuarine environment, nutrients are considered to be vital components playing an important role in the growth, reproduction and metabolic rates of organisms.…”

Section: Discussionmentioning

confidence: 99%

Status of some fishery resources in a tropical mangrove estuary of Sarawak, Malaysia

Hoque

Kamal

Idris

et al. 2015

Marine Biology Research

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This study was carried out to assess the fishery resources of the Sibuti River estuary, Sarawak, Malaysia. Data were collected from the study area for a period of one year in different seasons. The estuary is relatively species-rich and a total of 4675 individuals of 32 families from 60 species of fish (55), crab (four) and shrimp (one) were collected. Coilia dussumieri was the dominant species (22.63%) followed by Nemapteryx caelata (11.85%), Otolithes ruber (7.85%) and Ilisha elongata (5.80%). Marked seasonal variations were found among most of the hydrobiological factors; however, seasonal variations were not significant for the diversity indices such as Shannon-Wiener, Margalef and Evenness. The number of fish taxa caught in different mesh size gill nets was 1 inch (42 species) > 2 inch (36 species) > 4 inch (25 species), suggesting that smaller mesh nets are more suitable for assessing the diversity of fishery resources. SIMPER analysis showed that Coilia dussumieri was the most abundant species in the dry (10.3%) and intermediate (8.1%) seasons, whereas N. caelata was most abundant in the wet season (7.1%). Significant differences (ANOSIM and nMDS) were observed in the species community structure between dry-intermediate and dry-wet seasons; however, species compositions were not significantly different between intermediate and wet seasons. Canonical correspondence analysis (CCA) showed that most of the species assemblages were positively correlated with turbidity and chlorophyll a, followed by phosphate, nitrate and zooplankton density. The findings suggest that the Sibuti mangrove estuary is productive in terms of diversified fishery resources, which are influenced by the hydrobiological factors.

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Section: Discussionmentioning

confidence: 99%

Status of some fishery resources in a tropical mangrove estuary of Sarawak, Malaysia

Hoque

Kamal

Idris

et al. 2015

Marine Biology Research

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“…The GKDL wants to control the BOD values and they reduced the BOD from 225 to 120 ppm. Unpolluted waters may have BOD values of 2 ppm or less [18] . COD values of two sampling points recorded from 270 to 430 ppm ( Table 3).…”

Section: Results and Discussion Physicochemical Parametersmentioning

confidence: 99%

Analysis of Heavy Metals and Other Elements in Textile Waste Using Neutron Activation Analysis and Atomic Absorption Spectrophotometry

Chowdhury¹,

Hoque²,

Hossain³

et al. 2017

IOSR JESTFT

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The work focused on the elemental and physicochemical analysis in the textile waste (Effluent and Sludge) where two effluent samples and one sludge sample were collected from Grameen Knit Dyeing Industry (GKDI). Every effluent sample is divided into liquid sample (L1 and L2) and residual sample (R1 and R2). Neutron Activation Analysis (NAA) method used for the elemental analysis. The study revealed that, in the sludge (S) the Sb concentration was found 50.2 mg/L which exceeded the standard. Here Co concentration exceeded the standard. Here the highest Cr and Cd value was found in the (S) which exceeded the standard level. The total alkalinity, hardness and free CO 2 level of discharged water was harmful for the environment.From this study it is revealed that the sludge contain high content of heavy metal and other harmful elements. Soda ash method can be applied to reduce the 'Cr' concentration.

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“…Distribution of nutrients is mainly influenced by seasonal variation, rate of fresh water discharge, land run-off and tidal condition [20]. Possible sources of nitrate into the aquatic environmentare anthropogenic input, land runoff and oxidation of ammonia in a form of nitrogen to nitrite and consequently to nitrate.…”

Section: Discussionmentioning

confidence: 99%

“…Generally, the seasonal variation of pH is attributed to some factors like sea water dilution by the influx of fresh water, removal of CO 2 by photosynthesis through bicarbonate degradation, the reduction of salinity and temperature, and decomposition of organic matter [20,21]. According toDas et al [22],the presence ofthe highest valueof pH in the dry season could be due to the penetration of sea water and high biological activity, while both the low and high water pH can be corrosive in nature [23].…”

Section: Discussionmentioning

confidence: 99%

Seasonal Variation of Water Characteristics in Kuala Sibuti River Estuary in Miri, Sarawak, Malaysia

Saifullah¹,

K.²,

Idris³

et al. 2014

MJS

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This paper presents the water characteristics of Kuala Sibuti river estuary, which is margined by pristine mangrove forest. For this purpose, nutrients, chlorophyll a and environmental parameters were investigated for 12 months. Physical, chemical and biological parameters of this estuarine water followed a seasonal rhythm and induced by the annual cycle of the monsoon. Surface water temperature ranged from 27.4°C to 32.2°C with a wide variety of salinity from 0.70 PSU to 27.10 PSU followed by Dissolved Oxygen (DO) from 1.94 to 6.71 mg/L. The concentration of chlorophyll a was found to be varied from 0.02 to 0.16 mg/m 3 . Nitrate, phosphate and ammonium concentrations ranged from 0.40 to 3.53mg/L, 0.01 to 1.92 mg/L and 0.06 to 1.24 mg/L, respectively. Pearson correlation coefficients showed a significant relationship between nitrate and TDS, nitrate and pH, ammonium and salinity, temperature and salinity, temperature and TDS, phosphate and light attenuation in this estuarine environment. The estuary was found to be mesohaline in nature. Estuarine Water Quality Index (EWQI) calculated from phosphate (PO 4 ), suspended matter (SM) and dissolved oxygen (DO) indicate very good quality (4.95). Significantly seasonal difference for salinity, water temperature and, TDS were observed probably related to tidal flow and upstream river runoff.

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Investigation of Some Water Quality Parameters of the Buriganga River

Cited by 15 publications

References 5 publications

Status of some fishery resources in a tropical mangrove estuary of Sarawak, Malaysia

Status of some fishery resources in a tropical mangrove estuary of Sarawak, Malaysia

Analysis of Heavy Metals and Other Elements in Textile Waste Using Neutron Activation Analysis and Atomic Absorption Spectrophotometry

Seasonal Variation of Water Characteristics in Kuala Sibuti River Estuary in Miri, Sarawak, Malaysia

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