Hugli

Performance evaluation of prevailing biological wastewater treatment systems in West Bengal, India

The present study has been undertaken to evaluate the performance of wastewater treatment systems (WWTS) in three different districts (Kolkata, Howra and Hugli) in West Bengal, India. Performance of these wastewater treatment plants are essential parameter to be monitored as the treated effluent is discharged into River Ganga which is …

Performance evaluation of prevailing biological wastewater treatment systems in West Bengal, India

The present study has been undertaken to evaluate the performance of wastewater treatment systems (WWTS) in three different districts (Kolkata, Howra and Hugli) in West Bengal, India. Performance of these wastewater treatment plants are essential parameter to be monitored as the treated effluent is discharged into River Ganga which is …

Heavy metals in Hooghly on the rise

Team of scientists finds zinc, lead and mercury in river A group of scientists has found that the level of heavy metals such as zinc, lead and mercury is on the rise in river Hooghly due to the impact of climate change. The rise in presence of heavy metals in …

Recent changes in coastal configuration of Henry’s Island

The swampy intertidal zone and part of the backshore of Henry's Island coast of 1969 have now been submerged. Topographic surveys, analysis of textural and palynological character of sediments coupled with time-series analyais of shoreline change show phasewise erosion. This has resulted in ingression of sea. Modern sand, transported from …

Biogeochemistry of mercury and methylmercury in sediment cores from Sundarban mangrove wetland, India—a UNESCO World Heritage Site

This study was performed to elucidate the distribution, concentration trend and possible sources of total mercury (HgT) and methylmercury (MeHg) in sediment cores (<63 μm particle size; n = 75) of Sundarban mangrove wetland, northeastern part of the Bay of Bengal, India. Total mercury was determined by atomic …

Plan, one authority can save rivers

Leading environmentalist organisations and personalities yesterday made a set of recommendations including adopting a comprehensive action plan and forming a single authority to save the rivers and environment. Representatives of Bangladesh Environment Lawyers Association (Bela), Bangladesh Paribesh Andolon (Bapa), Bangladesh Unnayan Parishad, and The Daily Star editor and publisher made …

Culled and cleared

A pull of the neck and then a twist is all that is needed to bring silent death to a hen or a duck. In scientific terms, the bird

Avian epidemic

It is ironical that bird flu should deal a crippling blow to the West Bengal countryside shortly after the Government of India declared that the country was free from the scourge. From January 3, when hens and ducks began to die at an alarming rate in Margram village under Rampurhat …

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