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biosphere

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atmosphere

atmosphere  

A gaseous envelope gravitationally bound to a celestial body; in the case of the Earth, with an average composition, by volume, of 79% nitrogen, 20% oxygen, 0.03% carbon dioxide, and traces of rare ...
atmospheric chemistry

atmospheric chemistry  

The study of the chemical composition of the atmosphere, of aerosols, pollutants, and rainfall, and the various chemical reactions in which they are involved. It includes the processes of ...
Bacteria

Bacteria  

One of three superkingdoms (domains) of cellular organisms, the others being Archaea and Eukarya. Bacteria are unicellular and anucleate i.e. prokaryotes. They embrace a great diversity of forms, ...
biogeochemical cycle

biogeochemical cycle  

The cyclical movement of elements between living organisms (the biotic phase) and their nonliving (abiotic) surroundings (e.g. rocks, water, air). Examples of biogeochemical cycles are the carbon ...
biogeochemistry

biogeochemistry  

The scientific study of the effects of living things on subsurface geology; or with the distribution and fixation of chemical elements in the biosphere. Its principles are applied to the systematic ...
biohistory

biohistory  

The interplay between human society and the biosphere (Medley et al. (2003) AAAG 93, 1). S. Boyden (1987) gives an account of the stages of civilization, from the primeval and early farming stages to ...
biological conservation

biological conservation  

Active management to ensure the survival of the maximum diversity of species, and the maintenance of genetic variety within species. The term also implies the maintenance of biosphere functions, e.g. ...
Biosphere

Biosphere   Reference library

Encyclopedia of Global Change

Reference type:
Subject Reference
Current Version:
2005
Subject:
Science and technology, Environmental Science, Social sciences, Environment
Length:
2,575 words
Illustration(s):
1

This entry consists of two articles, Definition and Structure and Development. The purpose of this entry is to

biosphere

biosphere   Reference library

Oxford Dictionary of Biochemistry and Molecular Biology (2 ed.)

Reference type:
Subject Reference
Current Version:
2008
Subject:
Science and technology, Life Sciences
Length:
13 words

the parts of the Earth's crust and atmosphere that contain living organisms.

biosphere

biosphere   Quick reference

World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
34 words

Portion of the Earth from its crust to the surrounding atmosphere that contains living organisms. It includes the oceans, a

biosphere

biosphere   Quick reference

A Dictionary of Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2008

The portion of the Earth that is inhabited by living organisms of any kind. Apart from the hydrosphere, the

biosphere

biosphere   Reference library

The Oxford Companion to the Earth

Reference type:
Subject Reference
Current Version:
2003

The biosphere is the part of our planet that is inhabited by life. It consists of three zones: the lithosphere

Biosphere

Biosphere   Reference library

Encyclopedia of Climate and Weather (2 ed.)

Reference type:
Subject Reference
Current Version:
2011

The regions of the Earth inhabited by organisms and the totality of life on Earth are known collectively as the

biosphere

biosphere   Quick reference

The Concise Oxford Dictionary of Archaeology (2 ed.)

Reference type:
Subject Reference
Current Version:
2009
Subject:
Archaeology, History
Length:
13 words

[Ge]

All of the earth's living organisms interacting with the physical environment.

Biosphere II

Biosphere II  

A man‐made, closed ecological system that was constructed in the Arizona desert between 1987 and 1989, in which experiments were conducted to study how ecosystems operate and to evaluate whether ...
biotic

biotic  

Applied to the living components of the biosphere or of an ecosystem, as distinct from the non-living, abiotic, physical and chemical components.
black smokers and white smokers

black smokers and white smokers  

At the mid-oceanic ridges (MOR) sea water is heated and circulated at depth, forming localized convective systems similar to geothermal systems on land (see geothermal energy). The bedrocks are ...
carbon cycle

carbon cycle  

The movement of carbon through the surface, interior, and atmosphere of the Earth. Carbon exists in atmospheric gases, in dissolved ions in the hydrosphere, and in solids as a major component of ...
carbon dioxide

carbon dioxide  

A colourless, odourless gas which is the fourth most abundant component of the air in the homosphere, amounting to about 0.035 per cent by volume. It is released by volcanoes, part of the source ...
climate

climate  

Reference type:
Overview Page
The characteristic pattern of weather elements in an area over a period. The weather elements include temperature, rainfall, humidity, solar insolation, wind, etc. The climate of a large area is ...

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