In recent years, Mongolia's river water has been heavily polluted by human activities, mining, industrialization, and other factors, and the river's flow has been declining every year, conducted a pilot study to monitor the study. The water sample contains an average of 0.7 million cells/ml of...

Heavy metals are natural constituents, but the loss of bio-geochemical balance due to human activities is creating a build-up of toxic forms in the environment, especially in the soil. To determine the level of pollution in the study area, the method of determining the degree of pollution and the...

Hexachlorocyclohexane (HCH) has been widely used in agriculture of our country to protect crops, vegetable fields, forest soils and plants from pests, and to treat scabies and other diseases in livestock. This pesticide is a highly toxic, carcinogenic, and banned substance that accumulates in human ...

Increasing urbanization and population concentrations are causing environmental problems such as soil and water pollution. In this study, we were present isolation and identification of Streptomyces sp. and Rhodobacteria sp. Those effective microorganisms isolated from the wastewater and soil...

We did hydrological survey of a lake which was originated with seepage water from a brown coal mine located in Murun soum, Khentii province. The objectives of this study were to determine water chemical properties and compare to standards and norms for water quality assessment and to know which...