The use of ecogeographical data in the exploitation of variation from gene banks

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Abstract
As the variation of species is known to be influenced both by ecological and geographical factors, data on the origin of a sample from a given species could be used to infer some of its genetic characteristics. This concept was examined in the context of gene banks, where the assembled diversity usually represents a large range of environments and geographic locations. Results suggest that, although ecological variables in the site of origin can be useful in predicting genetic characteristics in the samples, the use of such data is neither simple nor precise. On the other hand simple geographic data, irrespective of their ecological content, were found to offer an effective method of stratifying and sampling variation in germ plasm collections.