Effects of petroleum contamination on soil microbial numbers, metabolic activity and urease activity (Articolo in rivista)

Type
Label
  • Effects of petroleum contamination on soil microbial numbers, metabolic activity and urease activity (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.chemosphere.2012.01.034 (literal)
Alternative label
  • Huan Guo; Jun Yao; Minmin Cai; Yiguang Qian; Yue Guo; Hans Hermann Richnow; Ruth E. Blake; Serena Doni; Brunello Ceccanti (2012)
    Effects of petroleum contamination on soil microbial numbers, metabolic activity and urease activity
    in Chemosphere
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Huan Guo; Jun Yao; Minmin Cai; Yiguang Qian; Yue Guo; Hans Hermann Richnow; Ruth E. Blake; Serena Doni; Brunello Ceccanti (literal)
Pagina inizio
  • 1273 (literal)
Pagina fine
  • 1280 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://www.scopus.com/record/display.url?eid=2-s2.0-84859484561&origin=inward (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 87 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 11 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Science and Technology Beijing; China University of Geosciences; Helmholtz Zentrum f?r Umweltforschung; Yale University; Consiglio Nazionale delle Ricerche (literal)
Titolo
  • Effects of petroleum contamination on soil microbial numbers, metabolic activity and urease activity (literal)
Abstract
  • The influence of petroleum contamination on soil microbial activities was investigated in 13 soil samples from sites around an injection water well (Iw-1, 2, 3, 4) (total petroleum hydrocarbons (TPH): 7.5- 78 mg kg?1), an oil production well (Op-1, 2, 3, 4, 5) (TPH: 149-1110 mg kg?1), and an oil spill accident well (Os-1, 2, 3, 4) (TPH: 4500-34600 mg kg?1). The growth rate constant (l) of glucose stimulated organisms, determined by microcalorimetry, was higher in Iw soil samples than in Op and Os samples. Total cultivable bacteria and fungi and urease activity also decreased with increasing concentration of TPH. Total heat produced demonstrated that TPH at concentrations less than about 1 g kg?1 soil stimulated anaerobic respiration. A positive correlation between TPH and soil organic matter (OM) and stimulation of fungi-bacteria-urease at low TPH doses suggested that TPH is bound to soil OM and slowly metabolized in Iw soils during OM consumption. These methods can be used to evaluate the potential of polluted soils to carry out self-bioremediation by metabolizing TPH (literal)
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