科研之友
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摘要
this study was conducted in a remnant of cerrado sensu stricto at the olimpic center of the university of bras赤lia, at the parano芍 environmental protection area - df. the site is one of the few remnants of natural vegetation within the urban perimeter of bras赤lia. the objective was to investigate the floristic composition and the phytosociology of the cerrado sensu stricto to gather information for a conservation plan. ten 20℅50m (1,000m2) plots were ramdonly located and all woody individuals with dbh equal or greater than 5cm at 30cm from ground level were identified and measured. a total of 54 species in 44 genera and 30 families were found at the site. leguminosae had the most species (9), followed by malpighiaceae (4) and vochysiaseae (4). the highest importance values were for stryphnodendron adstringens (mart.) coville, styrax ferrugineus nees %26 mart., ouratea hexasperma (a. st.-hill.), caryocar brasiliense cambess. and kielmeyera coriacea (spreng.) mart. shannon index (h%26apos;=3.41) suggests high diversity. community density was 822 trees per ha with basal area of 9.53m2.ha-1.
