The World Metrology Day (WMD) is observed every year on May 20 to mark the signing of the Metre Convention on May 20, 1875. The Convention set the framework for global collaboration in the science of measurement and in its industrial, commercial and societal application. The 2017 theme is “MeasurementsContinue Reading

Biomass is the amount of living material in an organism. The pyramids of biomass represent the relationship between different trophic levels in terms of biomass. In grassland and forest ecosystems, there is generally a gradual decrease in biomass of organisms at successive trophic levels from the producers to the consumers.Continue Reading

 Nilgiri Biosphere Reserve located in Tamil Nadu, Kerala and Karnataka was the first biosphere reserve established in 1986.The Nilgiri Biosphere Reserve is an International Biosphere Reserve in the Western Ghats and Nilgiri Hills ranges of South India. The Western Ghats, Nilgiri Sub-Cluster (6,000+ km²), conjoining the Nilgiri Biosphere Reserve, isContinue Reading