Glossary M

The Environmental Glossary. Letter M +++ Popular Articles: 'Method', 'Management', 'Monitoring'

A moratorium is legislative action which prevents a federal agency from taking a specific action or implementing a specific

More developed country is the (MDC) See developed country.

- Morphoedaphic index (MEI) : - morphoedaphic index (MEI) : A morphoedaphic Index (MEI) is the ratio of Dissolved Solids (measured as total dissolved solids, alkalinity, or conductivity) to mean lake depth; MEI has been used to predict the total fish production, phytoplankton standing crop, and total phosphorus concentration of lakes not subject to cultural eutrophication.

Motor gasoline is a complex mixture of relatively volatile hydrocarbons, with or without small quantities of additives, obtained by blending appropriate refinery streams to form a fuel suitable for use in spark-ignition engines.

Mount Pinatubo is a volcano in the Philippine Islands that erupted in 1991. The eruption of Mount Pinatubo ejected enough particulate and sulfate Aerosol Matter into the atmosphere to

MTRU --->Mixed Transuranic Waste

A Mucociliary transport is the process by which Mucus is transported, by ciliary action, from the lungs.

A Mucus is the clear, viscid secretion of mucous membranes, consisting of mucin, epithelial cells, leukocytes, and various Inorganic salts suspended in water.

Mulch is made out of leaves, straw or compost used to cover growing plants to protect them from the wind or cold.

A Mulch Tillage is Full-width tillage involving one or more tillage trips which disturbs all of the soil surface and is done prior to and/or during planting.

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