Hyacinth

Order of the National Green Tribunal regarding encroachment of a water body Chandan Polchari, village Gopinathpur, district Puri, Odisha, 05/12/2024

Order of the National Green Tribunal (Eastern Zone Bench, Kolkata) in the matter of Madanmohan Rout Vs Nilakanteswar Dev & Others dated 05/12/2024. The matter related to encroachment of a water body, Chandan Polchari situated in village Gopinathpur, district Puri, Odisha. It was alleged that the water body has started …

Hyacinth threatens water bodies along River Sal

World's fastest growing acquatic weed, Water Hyacinth has returned back in the River Sal along the water course between Khareband and Benaulim. Known to multiply within days, weed has spread across the river, especially along the water course from Mungul to Benaulim. A look at the river course from the …

Warning bells in Ansupa Lake, Orissa

Ansupa Lake, one of the two freshwater lakes found in Orissa, is vanishing slowly. Another freshwater lake, i.e. named Saro, in Puri District, has already been wiped out from the wetland maps of Orissa due to anthropogenic pressure. (Correspondence)

Low cost and energy saving technologies for water and wastewater treatment

The paper discusses some low cost and energy saving technologies for water and wastewater treatment.

Mapping, monitoring and conservation of Harike wetland ecosystem, Punjab, India, through remote sensing

The Ramsar Convention of IUCN held in 1971 in Iran raised global awareness of the conservation and management of wetlands. Wetlands, the transitional zones that occupy an intermediate position between dryland and open water, regulate the flow of water and nutrients, thereby facilitating optimum functioning of the physical and biological …

Drying wetlands

water means life, and wetlands, even those such as ponds and bogs, play a vital role in our lives. Found almost everywhere, wetlands can be described as ecosystems where water and land meet, such as marshes, shallow coastal estuaries, mangroves and lakes where the dominating factor is a regular or …

Pollution clogs hyacinth control

INSECTS that were introduced to stem the spread of water hyacinth are beginning to avoid feeding on the weed because they are polluted by toxic metals. However, the insects seem to be developing resistance to the toxicity by producing new cellular proteins and synthesizing new ones. In experiments conducted by …

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