LUCKNOW, Feb. 14 -- In a recent research, Birbal Sahani Institute of Palaeobotany (BSIP) scientists have inferred that Hulas Khera's Karela Lake, if saved, can become a lifeline for the Southern Lucknow region.

Over a period of some 6,000 years, the study found how the region has encountered different rainfall patterns - causing drought and flash floods between various periods. It also found that while the monsoon fluctuations and climate change might not be mitigated, the major problem - human interference impact - can be prevented.

Binita Phartiyal, one of the key BSIP scientists who was part of the research, said that variations in the sediment profile from the Hulas Khera section in the Central Ganga Plain, reflect catchment erosion...