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Abbey, Edward

Kingsley Widmer.

in American National Biography Online

January 1999; p ublished online February 2000 .

Reference Entry. Subjects: Ecology and Conservation; Literature; Literary Studies (Fiction, Novelists, and Prose Writers). 1394 words.

Abbey, Edward (29 January 1927–14 March 1989), essayist, novelist, and radical ecologist, was born in Home, Pennsylvania, the son of Paul Revere Abbey, a farmer, and Mildred Postlewaite, a...

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accelerator mass spectrometry

Overview page. Subjects: Archaeology — Ecology and Conservation.

(AMS)

A technique for radiocarbon dating in which a cyclotron is used to measure directly the number of 14C atoms or the proportion of 14C to 12C and 13C atoms in the sample....

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assart

Overview page. Subjects: Arts and Humanities — Ecology and Conservation.

1 To grub up the trees and underwood of forest land in order to convert the area to arable or pasture use.

2 Land cleared in this way.

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chain

Overview page. Subjects: Ecology and Conservation — History.

An imperial measure, equal to 22 yards (20.11m), that was a unit of length formerly used by foresters and land surveyors (10 sq. chains = 1 acre).

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elm decline

Overview page. Subjects: Archaeology — Ecology and Conservation.

The sharp decrease in the amount of elm (Ulmus) pollen that occurs throughout north-western Europe in soil horizons radiocarbon-dated within 100–200 years of 5000 bp. Associated changes in...

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Environmental History of the Mississippi River and Delta

Christopher Morris.

in Oxford Research Encyclopedia of Environmental Science

P ublished online September 2017 .

Article. Subjects: Pollution and Threats to the Environment (Social Science); Ecology and Conservation; Environmental Science, Engineering, and Technology; Environmental History. 10360 words.

The Mississippi River, the longest in North America, is really two rivers geophysically. The volume is less, the slope steeper, the velocity greater, and the channel straighter in its upper...

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Extinction

Mark V. Barrow.

in Oxford Research Encyclopedia of Environmental Science

P ublished online January 2018 .

Article. Subjects: Environmentalist Thought and Ideology (Environmental Science); Pollution and Threats to the Environment (Social Science); Ecology and Conservation; Environmental History. 15883 words.

The prospect of extinction, the complete loss of a species or other group of organisms, has long provoked strong responses. Until the turn of the 18th century, deeply held and widely shared...

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fairy ring

Overview page. Subjects: Ecology and Conservation — Religion.

A circle of dark-green grass (in a lawn or field) in which toadstools may be found. The circle is formed as a result of the radial growth of a fungus through the soil, away from the centre...

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Fisheries Science and Its Environmental Consequences

Jennifer Hubbard.

in Oxford Research Encyclopedia of Environmental Science

P ublished online May 2017 .

Article. Subjects: Pollution and Threats to the Environment (Social Science); Ecology and Conservation; Environmental History. 17855 words.

Fisheries science emerged in the mid-19th century, when scientists volunteered to conduct conservation-related investigations of commercially important aquatic species for the governments...

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History of Ecological Design

Lydia Kallipoliti.

in Oxford Research Encyclopedia of Environmental Science

P ublished online April 2018 .

Article. Subjects: Ecology and Conservation; Politics; Environmental History; Sustainability. 23233 words.

The term ecological design was coined in a 1996 book by Sim van der Ryn and Stewart Cowan, in which the authors argued for a seamless integration of human activities with natural processes...

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