Glossary M

The Environmental Glossary. Letter M +++ Popular Articles: 'Monitoring', 'Measurement', 'Mean'

A methyl bromide is the gaseous compound CH3Br used primarily as an insect fumigant; found to be harmful to the stratospheric ozone layer which protects life on earth from excessive ultraviolet radiation.

A Methyl bromide (CH3Br) is an effective pesticide; used to fumigate soil and many agricultural products. Because it contains bromine, it depletes stratospheric ozone when released to

Methyl mercury is a highly toxic form of Mercury found in the environment; CH3-Hg.

Deutsch: Metrisch / Español: Métrico / Português: Métrico / Français: Métrique / Italiano: Metrico /

A Metric is a calculated term or enumeration representing some aspect of biological assemblage, function, or other measurable aspect and is a Characteristic of the Biota that changes in some predictable way with increased human influence. A multimetric approach involves combinations of metrics to provide an integrative assessment of the status of aquatic resources.

A Metric Ton is Common international measurement for the quantity of greenhouse gas emissions. A Metric

Deutsch: Metropole / Español: Madre patria

Metropole is a term used in the context of the environment to refer to a large, densely populated urban area, typically the core city or cities of a metropolitan region. It is characterized by its significant human activities, infrastructure, and economic functions. Metropoles often serve as hubs of commerce, culture, and innovation, playing a crucial role in shaping the surrounding region and impacting the environment in various ways.

A Metropolitan Area (MA) is the US Census defines a MA as a Core area containing a large population nucleus, together with adjacent communities that have a high degree of economic and

A Metropolitan Statistical Area (MSA) is a geographic entity defined by the federal Office of management and Budget for use by federal statistical agencies, based on the concept of a core area with a large population nucleus, plus adjacent communities having a high degree of economic and social integration with that core.

Mg(2+) is Magnesium; a Base cation that helps to reduce acidification
Mineral weathering
The physical and chemical breakdown of rocks that releases ions such as calcium and aluminium.

- Microbes (microorganisms) : A Microbes (microorganisms) is Tiny living organisms that can only be seen with the aid of a microscope. Some microbes can cause Acute health problems when consumed (see pathogens).