Glossary of terms related to the CBD

 

valuation
- the attachment of monetary value to an object through a consideration of both internalised and externalised costs.
- this is a method for determining the importance of environmental consequences of economic activity that are not taken into account in market transactions. [GBA]
variance
a statistical measure of the dispersion of a set of values about its mean.
variety
a taxonomic rank below subspecies in zoology and botany, varieties are often the result of selective breeding and diverge from the parent species or subspecies in distinct but relatively minor ways. Usage varies in different countries. [CUB, modified by JVG]
vector
'a carrier'. In genetic manipulation the vehicle by which DNA is transferred from one cell to another. An agent of transmission; for example, a DNA vector is a self-replicating segment of DNA that transmits genetic information from one cell or organism to another. [CUB]
vicariant patterns
when several taxa are subdivided by the same tectonically and climatically produced barriers to dispersal.
virus
the smallest known type of organism. A non cellular entity that consists minimally of protein and nucleic acid, and that can replicate only after entry into specific types of living cells, and then only by usurping the cell's own systems. [CUB]
voucher specimens
collections of organisms that are maintained to provide permanent, physical documentation of species identifications and associated data resulting from inventories.

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Last updated  29-11-2004 .


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