geographical variation


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Related to geographical variation: individual variation

geographical variation

any variation that occurs in spatially separated populations of species.
References in periodicals archive ?
Prevalence of the malignant tumors can show racial and geographical variation.
One of the study's key findings is that while variation in the quantity of are provided is a key source of the geographical variation in Medicare spending, variation in the price of particular services is a much larger factor in explaining geographic differences in private health insurance spending.
Since male dragonflies are basically territorial, geographical variations in their wing veins might be found [2].
The articles are in the last half of the book and discuss general considerations, flight style, size and shape, plumage, geographical variation, molting, similar species, status and distribution, migration, and vocalizations.
19) Similarly, there seems to be geographical variation in mortality rate in patients with SLE.
As well as this geographical variation, the companies are also spread across a number of industries, thereby achieving a further level of diversification.
These findings could indicate a geographical variation in the association between air pollution and low birth weight.
Some of the geographical variation in the lineup is down to greater competition.
Thus, studies of geographical variation of disease with respect to solar UVB doses are important ways to identify a potential role of vitamin D in preventing a disease.
It covers 48% of the total landmass of South America and has wide geographical variation from the semiarid northeast coast, to the temperate grasslands of the south and the Amazon Basin in the northwest, which contains almost half of the earth's remaining rainforest.
Pajusalu) is the written version of a conference paper presented at Nordic Prosody X in Helsinki 2008 demonstrating that there is a certain amount of geographical variation in the perception of quantity within Estonia: speakers in east and south Estonia do not seem to use pitch as a secondary perceptual cue for discrimination of long and overlong quantity.
Geographical variation among populations today in amounts and types of Neandertal DNA is poorly understood But look for research on this topic to heat up.

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