Sufia Zaman

University of Calcutta · Department of Marine Science

The paper presents evidence that dissolved toxic heavy metals like cadmium, lead, and chromium pose significant adverse impact on the overall average Condition Index (CI) of Cirrhinus mrigala, a commercially important freshwater finfish consumed in India. This index serves as a better proxy to ambient environmental health of the species compared to...

The estuaries of Indian Sundarbans are the hotspots of several categories of ornamental fishes that are primarily distributed as a function of salinity. Carried out a survey during November 2019 to January 2020 (postmonsoon period) at 10 stations distributed in the western and central sectors of Indian Sundarbans. Recorded 19 ornamental fish specie...

We conducted a study during August 2012 and 2017 at Prentice island of Indian Sundarbans to estimate the rate of stored carbon (carbon sequestration) in the mangrove vegetation of the island. On the basis of criterion prescribed for carbon sequestration study (DBH ≥ 5 cm), only 23 species were selected for the estimation. We focused on the stem bio...

We evaluated the biomass and stored carbon in three dominant mangrove species of Indian Sundarbans in relation to specific soil parameters (soil salinity, pH, organic carbon, nitrate-nitrogen, phosphate-phosphorus, sulphate-sulphur and potassium). The study was conducted in two sampling stations with contrasting physico-chemical variables preferabl...

The study presents evidence that the ichthyoplankton community of Indian Sundarbans is experiencing the effects of climate-change-induced salinity rise over the last decade (2010–2019). Observations of ichthyoplankton diversity using Shannon-Weiner species diversity index exhibit significant spatial variation between the western and central Indian...

Mangroves constitute an important ecosystem because of their global extent and high productivity. These plants thrive in the intertidal zones of the tropics and subtropics that are characterized by regular tidal inun-dation and fluctuating salinity. Mangrove species are well adapted, both morphologically and physiologically, to survive under saline...

The Gangetic delta, sustaining the Sundarbans mangrove forest at the apex of the Bay of Bengal is recognized as one of the most diversified and productive ecosystems in the Indian subcontinent. The deltaic lobe is unique for its wilderness, mangrove gene pool and tiger habitat. However, due to intense industrial activities in the upstream zone, and...

Abstract The study presents evidence that the ichthyoplankton community of Indian Sundarbans is experiencing the effects of climate-change-induced salinity rise over the last decade (2010–2019). Observations of ichthyoplankton diversity using Shannon-Weiner species diversity index exhibit significant spatial variation between the western and centra...

During the premonsoon, monsoon, and postmonsoon seasons in 2019, we examined the amounts of dissolved mercury and biologically accessible mercury in surface sediment in 12 selected stations in and around the Indian Sundarbans deltaic region. The Atomic Absorption Spectrophotometer was used to conduct the tests (Perkin Elmer: Model 3030). The highes...

The study presents evidence that the ichthyoplankton community of Indian Sundarbans is experiencing the effects of climate-change-induced salinity rise over the last decade (2010–2019). Observations of ichthyoplankton diversity using Shannon-Weiner species diversity index exhibit significant spatial variation between the western and central Indian...

For decades researchers are trying to investigate the interrelationship between near surface atmospheric CO2, Dissolved Inorganic Carbon (DIC) and pH of the aquatic phase. This paper attempts to evaluate the same considering ten stations along the Gangetic stretch in and around the city of Kolkata, which is supporting a population of 14.9 million a...

The city of Kolkata is under the appalling shadow of carbon dioxide rise since few decades. Rapid urbanization coupled with the plying of large number of vehicles and congested roads have enhanced the grim situation of the city atmosphere. The present study aims to portray the air quality of the city considering near surface atmospheric carbon diox...

The city of Kolkata is under the appalling shadow of carbon dioxide rise since few decades. Rapid urbanization coupled with the plying of large number of vehicles and congested roads have enhanced the grim situation of the city atmosphere. The present study aims to portray the air quality of the city considering near surface atmospheric carbon diox...

Habitat alteration, urbanization, industrialization, population growth, environmental pollution as well as degradation, deforestation, desertification, global worming as well as global cooling- these are few popularly known term in p coast of India, there are three diversified estuary, i.e. Bhagirathi estuary of Bhagirathi Hooghly river, Talsary es...

We analysed the Dissolved Inorganic Carbon (DIC), Total Alkalinity (TA) and pH of the aquatic phase of the Hooghly and the Matla estuaries during 1984 to 2018 through seasons. A unique seasonal trend is observed for all these variables with maximum during premonsoon, followed by postmonsoon and monsoon. The relatively higher values of DIC, TA and p...

The study presents evidence that the ichthyoplankton community of Indian Sundarbans is experiencing the effects of climate-change-induced salinity rise over the last decade (2010–2019). Observations of ichthyoplankton diversity using Shannon-Weiner species diversity index exhibit significant spatial variation between the western and central Indian...

The coastal ecosystems sustaining mangroves, tidal marshes and seagrass meadows contain large deposits of carbon in the vegetation often referred to as blue carbon. These ecosystems sequester and store more carbon per unit area than terrestrial forests. The ability of these vegetated ecosystems to remove carbon dioxide (CO2) from the atmosphere mak...

This study was undertaken in February, 2021 to determine the role played by the forest cover in lowering the level of carbon dioxide in the atmosphere within the premises of an educational institute in Barasat, North 24 Parganas district, West Bengal (India). Twenty-two dominant tree species from the eight sampling sites were surveyed, out of which...

This study was undertaken in February, 2021 to determine the role played by the forest cover in lowering the level of carbon dioxide in the atmosphere within the premises of an educational institute in Barasat, North 24 Parganas district, West Bengal (India). Twenty-two dominant tree species from the eight sampling sites were surveyed, out of which...