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M. A. Khan and D. P. Zutshi, “Contribution to High Altitude Limnology of the Himalayan System. I. Limnology and Primary Productivity of the Plankton Community of Nilang Lake, Kashmir,” Hydrobiologia, Vol. 75, 1980, pp. 102-112. doi:10.1007/BF00007422

has been cited by the following article:

• TITLE: Water Quality of High-Altitude Lakes in the Sagarmatha (Everest) National Park, Nepal

  AUTHORS: Narayan Prasad Ghimire, Pramod Kumar Jha, Gianumberto Caravello

  KEYWORDS: Physico-Chemical Characteristics; Water Quality; Tourism; High Altitudinal Lake

  JOURNAL NAME: Journal of Environmental Protection, Vol.4 No.7A, July 9, 2013

  ABSTRACT: The aim of this research was to analyze physical and chemical characteristics of high altitude lakes (Gokyo lake series, Imja lake, Pyramid lake) of the Sagarmatha National Park, Khumbu region located above 4500 m altitude. The lake water was studied for three years (2008, 2009 and 2010) to compare the annual changes in the parameters. The findings created a database for present status of high land lakes of Nepal, which can be used for the management of lakes as well as to study the impact of tourism on water quality. The lake water quality in general still stands good in terms of standards for drinking water (WHO, Nepal standard) but degradation process has started. Total nitrogen in water samples was lower than the WHO standard but an increase in the nitrate nitrogen has been recorded. Similarly, total phosphorrous quality was also found increased.