Water Quality Characterization of Sundarbans Mangrove Forest of Bangladesh: On the Perspective of Aquatic Biodiversity

Rahaman, Md Sohanur; Shah, Md. Saifuddin; Ahsan, Md. Nazmul; Asaduzzaman, M.

doi:10.53808/kus.2003.5.2.0321-l

Cited by 4 publications

(3 citation statements)

References 1 publication

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“…but, there was no significant (P > 0.05) variation among the sites and seasons (Figure 3). However, the values of BOD, COD, TDS, and TSS of the Passure River water showed within the range in comparison to the river water quality report of Bangladesh (DoE, 2015) and other mangrove rivers of the world (Toriman et al, 2013;Rahaman et al, 2003;Gandaseca et al, 2016).…”

Section: Water Qualitysupporting

confidence: 62%

Is the Sundarbans of Bangladesh in a State of Pollution?

Hossain,

Saha,

Saha

et al. 2024

OJF

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The Sundarbans is the world's most extensive natural mangrove forest and home to various natural resources. The population in the vicinity has increased, causing more dependency on the resources of the Sundarbans. The increasing industrialization, urbanization, aquaculture, intensive agricultural practices, seaports, tourism facilities, and so on in the peripheral areas of the Sundarbans have made significant changes in the surrounding and upstream land uses of the Sundarbans. This situation may have detrimental influences on the ecosystem components of the Sundarbans. Therefore, it is highly demanded to prepare a piece of baseline information or database of different sources of pollution and their present status in the various components of the Sundarbans. This effort helps to identify issues and concerns, determine the key elements of the ecosystem to monitor the level or overall quality of the Sundarbans ecosystem. The present study systematically collects the potential sources of pollution, types, and current levels in the ecosystem components of the Sundarbans using academic databases, libraries, and online resources. Discharge of industrial waste into water, soil and air, heavy metal pollution, use of agrochemicals, oil (refined and crude) pollution, plastic materials from urban areas, and tourism are the major issues and concerns related to the sustainability of the Sundarbans ecosystem. The air quality of the Sundarbans is in good condition with 0 -50 AQI of Bangladesh.

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Section: Water Qualitysupporting

confidence: 62%

Is the Sundarbans of Bangladesh in a State of Pollution?

Hossain,

Saha,

Saha

et al. 2024

OJF

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“…All sites were sampled during day time covering high and low tide. Romesh, 1998APHA, 1992 Water chemistry data from 25 locations between 2001 and 2009 were collected from different sources such as FMRTD (2001), JOECLA (2002), IWM (2003), Rahaman et. al.…”

Section: Methodsmentioning

confidence: 99%

Water Chemistry in and Around the Sundarbans Mangrove Forest, Southwest Bangladesh

Ahmad

Rahman

2010

Khulna Univ. Stud.

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The study presents the spatial and temporal patterns of river water chemistry at 25 sites in and around the Sundarbans. Conductivity, TDS, major cations, major anions, alkalinity, pH and hardness were determined during September 2008 to July 2009 in four seasons at Sarankhola, Chandpai, Nalian and Burigualiny from Bhola, Passur, Sipsa and Khulpatua rivers respectively. There is wide temporal variation in conductivity (from 201 µS/cm to 43.7 mS/cm) and TDS (0.13 to 31.2 g/L) from the eastern to western Sundarbans suggests low flow of fresh water into the western Sundarbans. Variation in major cations Na+ (9225 to 25 mg/L), K+ (4 to 510 mg/L), Ca+2 (26 to 273 mg/l) and Mg+2 (5 to 869) and major anions Cl- (13 to 13471 mg/L), HCO3- (102 to 180 mg/L) and SO4-2 (9 to 1414 mg/L) were also observed. Alkalinity, pH and hardness were 90 to 224 mg CaCO3/L, 6.5 to 8.3 and 85 to 4235 mg CaCO3/L respectively. Data on DO, BOD, COD, nutrients and heavy metals during 2001-2009 were collected from secondary sources. Dissolved oxygen (4.9 to 6.9 mg/L) is within the Environmental Quality Standard (EQS) of Bangladesh. BOD and COD are higher in coast than the inner part of the Sundarbans. Ammonium (0.04 to 6.74 mg/L), nitrate (0.1 to 1.4mg/L) and phosphate (0.026 to 0.252 mg/L) are present in sufficient quantity for aquatic life to survive. Heavy metal concentrations are exceeded in some areas. The study reveals that water chemistry of the Sundarbans Mangrove Forest are approaching critical value for the survival of organism.

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“…However, it remains unclear to what extent this would offset salinity levels . Additionally, past studies found that toxic wastewater release from the neighboring shrimp farms and various industries at Mongla Port have negative impacts on the Sundarbans water quality. , Furthermore, farmers in the area frequently exchange nutrient-enriched water with estuarine waters and dispose toxic farm soil into the surrounding area that eventually ends up in the estuaries and causes eutrophication of the system …”

Section: Water Resourcesmentioning

confidence: 99%

Bangladesh: Climate Change Issues, Mitigation, and Adaptation in the Water Sector

Haque

Nahar

2023

ACS EST Water

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Wide-ranging impacts of a changing climate are already being documented in many parts of Bangladesh, recognized globally as one of the most susceptible countries to the influences of climate change. Bangladesh's water sector infrastructures are expected to experience substantial damages due to more frequent and/or more intense floods and extreme weather events. Particularly, the southern portion of the country faces severe risk due to climate change induced susceptibility and various socioeconomic and environmental barriers that are hindering sustainable adaptation. The primary goal of this review is to produce a comprehensive study on climate change impacts, mitigation, and adaptation in the water sector in Bangladesh. In the past, numerous researchers have studied climate change impacts, mitigation, and adaptation strategies in Bangladesh; however, comparatively few studies attempted to determine the overall efficacy of adaptation measures implemented at the local and national levels. This paper is the outcome of a systematic review of relevant scholarly and nonscholarly materials, and it offers a deeper insight into Bangladesh's climate change mitigation and adaptation strategies.

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Water Quality Characterization of Sundarbans Mangrove Forest of Bangladesh: On the Perspective of Aquatic Biodiversity

Cited by 4 publications

References 1 publication

Is the Sundarbans of Bangladesh in a State of Pollution?

Is the Sundarbans of Bangladesh in a State of Pollution?

Water Chemistry in and Around the Sundarbans Mangrove Forest, Southwest Bangladesh

Bangladesh: Climate Change Issues, Mitigation, and Adaptation in the Water Sector

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