Glossary O

The Environmental Glossary. Letter O +++ Popular Articles: 'Ozone-depleting substance', 'Ozone', 'Organism'

oil spills are the harmful Release of oil into the environment, usually in the water, sometimes killing area flora and fauna. oil spills are very difficult to clean up.

Old growth forests are see ancient forests.

An ombrotrophic bog is an Acidic wetland which receives all of its nutrients from atmospheric deposition.

An omnibus spending bill is a bill combining the appropriations for several federal agencies.

Omnivore is animal that can use both plants and other animals as food sources. Examples include pigs, rats, cockroaches, and humans. Compare carnivore, herbivore.

An on-frame data is Data acquired by a sampling approach that provides a Probability sample. (See preferred term: attribute

Onroad mobile sources are vehicles found on roads and highways (e.g., cars, trucks, buses).

An Open-circuit voltage is abbreviated Voc, refers to a PV device's voltage potential when it is providing no current.

An Oral Exposure: is Eating and drinking food and water (and pollutants), and their entry into the digestive tract.

An ordination analysis is a set of techniques in which sampling units are arranged in relation to one or more coordinate axes such that their relative positions to the axes and to each other provide maximum information about their ecological similarities.

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