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In Situ Bioremediation through Mulching of Soil Polluted by a Copper–Nickel Smelter

Oili Kiikkilä*,a, Jonna Perkiömäkia, Matthew Barnettea, John Deromeb, Taina Pennanena, Esa Tulisaloc and Hannu Fritzea

a Vantaa Research Center, Finnish Forest Research Institute, P.O. Box 18, FIN-01301 Vantaa, Finland
b Rovaniemi Research Station, Finnish Forest Research Institute, P.O. Box 16, FIN-96301 Rovaniemi, Finland
c Dep. of Limnology and Environmental Protection, P.O. Box 62, FIN-00014 Univ. of Helsinki, Finland



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Fig. 1. Plot of the untreated (U) and the treated (T) sample plots of the last sampling date on the first canonical variables, CHEM (the chemical data set) and BIOL (the biological data set) from canonical correlation analysis. The arrows indicate the influence of the most important variables on formation of the canonical variables.

 


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Fig. 2. Nonmetric multidimensional scaling (MDS) ordination of the sample plots with respect to sampling date and treatments. Symbols indicate the mean of 18 replicate untreated (U) and treated (T) plots, and bars indicate the standard deviation of the replicates.

 


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Fig. 3. Plot of the untreated (U) and the treated (T) sample plots of the last sampling date in autumn 1998 from multidimensional scaling (MDS) ordination in Fig. 2.

 





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The SCI Journals Agronomy Journal Crop Science
Vadose Zone Journal Journal of Plant Registrations
Journal of Natural Resources
and Life Sciences Education
Soil Science Society of America Journal
Copyright © 2001 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.