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Effect of nutrient alteration on pCO2(water) and chlorophyll-a dynamics in a tropical aquaculture pond situated within a Ramsar site: a microcosm approach
In: Environmental science and pollution research: ESPR, Band 27, Heft 4, S. 4353-4364
ISSN: 1614-7499
Linking IPCC AR4 & AR5 frameworks for assessing vulnerability and risk to climate change in the Indian Bengal Delta
In: Progress in disaster science, Band 7, S. 100110
ISSN: 2590-0617
CO2 effluxes from an urban tidal river flowing through two of the most populated and polluted cities of India
In: Environmental science and pollution research: ESPR, Band 27, Heft 24, S. 30093-30107
ISSN: 1614-7499
Summer methane emissions from sewage water–fed tropical shallow aquaculture ponds characterized by different water depths
In: Environmental science and pollution research: ESPR, Band 27, Heft 15, S. 18182-18195
ISSN: 1614-7499
Characterizing nutrient dynamics with relation to changes in partial pressure of CO2 in a tropical sewage‐fed aquaculture pond situated in a Ramsar wetland
In: Water and environment journal, Band 34, Heft 2, S. 259-273
ISSN: 1747-6593
AbstractThe changes in nutrient dynamics (nitrate, ammonium, silicate, phosphate and iron concentration) vis‐à‐vis partial pressure of CO2 in water [pCO2(water)] from tropical sewage‐fed aquaculture ponds (East Kolkota Wetlands, India) were analysed by means of a microcosm. A significant relationship between these nutrient's removal from the system and reduction in pCO2(water) was observed (with few exceptions). These water bodies acted as significant sources of CO2 in pre‐monsoon and monsoon seasons despite having substantial quantity of chlorophyll‐a to make it a net autotrophic system. The study revealed that if conditions favourable for optimum photosynthesis can be maintained in these ponds, the CO2 source character of these ponds can be reversed. In the post‐monsoon season, when the pH of the water column was high, the system acted as sink for CO2 which suggests the use of lime to prevent these systems from becoming hypereutrophic and carbon source at the same time.