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    STUDIA BIOLOGIA - Issue no. 2 / 2012  
         
  Article:   PREDICTION OF VEGETATION DYNAMICS ON THE TAILING DUMPS IN CĂPUŞ AND AGHIREŞ (CLUJ COUNTY) BASED ON THE RESEARCHES PERFORMED DURING THE 2005 – 2011 PERIOD.

Authors:  SABINA TOT, SILVIA OROIAN.
 
       
         
  Abstract:  

The paper presents the floristic structure of the nodal phytocenoses identified in the vegetation dynamics on the tailing dumps from Căpuş and Aghireş (Cluj County). The incipient vegetation phase of the tailing dumps, regardless of the chemical nature of the stored tailings, is represented by the Tussilago farfara phytocenoses. Within the following phase, when certain Poacee species begin to grown on the tailings, the phytocenoses succession is different. On the acid tailing dumps, one may notice the Calamagrostis epigejos and the Festuca rubra phytocenoses with Agrostis capillaris, while on the neutral or alkaline reaction tailing dumps the Elymus repens and Festuca rupicola phytocenoses are installed. These phytocenoses keep their individuality until the populations of some arbuscular species present in their structure, become prevalent. Within the current study, the Crataegus monogyna and Prunus spinosa phytocenoses end the succession of herbal phytocenoses and enable the growth of forest phytocenoses by the created microclimate.

Keywords: tailing dumps, phytocenoses, vegetation succession.

 
         
     
         
         
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