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RARE PLANTS OF THE EMILIA-ROMAGNA REGION  (NORTHERN ITALY): A DATA BANK AND COMPUTERMAPPED ATLAS FOR CONSERVATION PURPOSES
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    RARE PLANTS OF THE EMILIA-ROMAGNA REGION (NORTHERN ITALY): A DATA BANK AND COMPUTERMAPPED ATLAS FOR CONSERVATION PURPOSES

  • INTRODUCTION The flora of a given region is an important indicator of ~:he state of its environment, as a result of the region's rlatural history as well as of the land changes caused by ~nan. The latter generally result in the expansion of taxa associated with man (emerophilous plants--Linkola, 1919; Jalas, 1955) and in the decline of negatively affected taxa (emerophobous plants), most of which become rare or extinct. Rare species are usually associated with sporadically occu...
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