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Tolerance (PICT) of the Bacterial Communities to Copper in Vineyards Soils from Spain

^a Instituto de Investigaciones Agrobiológicas de Galicia (CSIC), Avda Vigo s/n, Apartado 122, E-15780 Santiago de Compostela, Spain
^b Universidad de Santiago de Compostela, Departamento de Edafología y Química Agrícola, Facultad de Biología, 15782 Santiago de Compostela, Spain
^c Dep. of Microbial Ecology, Lund Univ., Ecology Building, SE- 223 62 Lund, Sweden

View larger version (10K): [in this window] [in a new window]   Fig. 1. Thymidine (TdR) incorporation in vineyard soils with different total Cu content (mean of the two measurement occasions ± SE).

View larger version (6K): [in this window] [in a new window]   Fig. 2. Bacterial community tolerance (PICT) to Cu measured by the thymidine (TdR) and leucine (Leu) incorporation techniques in vineyard soils with different total Cu content (r = 0.977, n = 22).

View larger version (7K): [in this window] [in a new window]   Fig. 3. Relationship between two indices of bacterial community tolerance (PICT) to Cu, IC50 or percentage of control values when 10–6 mol L–1 Cu was added (100% inhibition), measured using the thymidine incorporation technique (r = 0.975, n = 22).

View larger version (7K): [in this window] [in a new window]   Fig. 4. Bacterial community tolerance (PICT) to Cu measured using the thymidine incorporation technique, as determined by IC50 (A) or percentage of control values when 10–6 mol L–1 Cu was added (100% inhibition) (B), in vineyard soils with different total Cu content (mean of the two measurement occasions ± SE).