2004
DOI: 10.1081/css-120037548
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Effect of Cadmium, Copper, and Lead on Different Enzyme Activities in a Native Forest Soil

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Cited by 52 publications
(31 citation statements)
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“…This could be related to the low level of humic substances in the total organic matter, and consequently limited availability of easily assimilable carbon, which determines the development of soil bacteria that produce enzymes [51]. Effron et al [40] reported that enzyme activity was sensitive to changes in pH. We found a positive correlation between the activity of acid phosphatase and soil pH, and the same for β-glucosidase.…”
Section: Discussionsupporting
confidence: 63%
See 1 more Smart Citation
“…This could be related to the low level of humic substances in the total organic matter, and consequently limited availability of easily assimilable carbon, which determines the development of soil bacteria that produce enzymes [51]. Effron et al [40] reported that enzyme activity was sensitive to changes in pH. We found a positive correlation between the activity of acid phosphatase and soil pH, and the same for β-glucosidase.…”
Section: Discussionsupporting
confidence: 63%
“…In a study on soil enzymatic activity in forests in areas affected by nitrogen production plants, Bielińska and Domżał [37] also showed an adverse effect of Cd and Zn on the activity of phosphatases. Balyaeva et al [38], Nadgórska-Socha et al [39], and Effron et al [40] also observed a decrease in the activity of acid phosphatase under the infl uence of heavy metals. Dehydrogenases are intracellular enzymes involved in the microbial metabolism of oxygen [15].…”
Section: Discussionmentioning
confidence: 99%
“…Elementos tais como cobre (Cu), níquel (Ni), cádmio (Cd), zinco (Zn), cromo (Cr) e chumbo (Pb) desempenham um papel importante na contaminação deste compartimento ambiental. 1,2 Porém, vale ressaltar que, embora possam ser tóxicos em doses elevadas, elementos tais como Cu, Zn e cobalto (Co) desempenham um importante papel ecológico, sendo essenciais para o crescimento e desenvolvimento de plantas, animais e seres humanos. Ao contrário, elementos tais como Cd, Pb e arsênio (As) não tem uma função biológica conhecida e podem exercer efeitos deletérios sobre vários componentes da biosfera quando são concentrados a valores acima de seus níveis considerados de referência.…”
Section: Introductionunclassified
“…1,[3][4][5] Ao contrário dos contaminantes orgânicos, os metais não são degradáveis e, apesar de apresentar alguma mobilidade no meio ambiente, a contaminação por estes elementos é relativamente estável ao longo do tempo. 2 O solo acumula e concentra os metais, devido a sua capacidade de retenção principalmente nas camadas superficiais e que correspondem à parte biologicamente mais ativa do solo. 4 Desta forma, os metais presentes nestas camadas podem estar facilmente acessíveis aos vegetais cultivados em áreas contaminadas e esta disponibilidade é uma função dos próprios valores de concentração de metais no solo, além de outros fatores tais como as características físico-químicas do solo e a afinidade das espécies vegetais.…”
Section: Introductionunclassified
“…The addition of Cu 2+ and Zn 2+ salt in soil was reported to significantly inhibit phosphatase, arylsulfatase, and b-glucosidase [38]. In another study, arylsulfatse, phosphatase, protease, and urease in a forest soil were reported to be inhibited by either Cd 2+ , Cu 2+ , or Pb 2+ salt [39]. Hence, the amendment of sediment A and B in agricultural soil may greatly enhanced aerobic microbial activity [28], but the nutrient cycling of N, P, and S [17] in soil was markedly depressed.…”
Section: The Impact Of Sediment Amendment On Soil Microbial Functionamentioning
confidence: 95%