1994
DOI: 10.1016/0038-0717(94)90202-x
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Vegetation removal in two soils of the humid tropics: Effect on microbial biomass

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Cited by 102 publications
(40 citation statements)
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“…Similar observations have been reported by Santruckova (1992) and Lynch and Panting (1982) in different ecosystems (forest, grassland and arable soils of Greece) and arable soil of Oxford shire, UK. The microbial C value obtained in the present study falls well within the ranges (61-2000 mg g_1) reported by Vance et al (1987) and Henrot and Robertson (1994) for various temperate and tropical forest soils and of sub-tropical forest (978-2088 mg g_1) reported by Arunachalam and Arunachalam (2000). The microbial N value is comparable to soils of coniferous forest soils (52-125 mg g_1) reported by Martikainen and Palojarvi (1990) and evergreen forests, (42-242 mg g_1) reported by Diaz-Ravina et al (1988), but lower than that of broad leaved deciduous forest soils (132-240 mg g_1; Diaz-Ravina et al, 1988).…”
Section: Discussionsupporting
confidence: 91%
“…Similar observations have been reported by Santruckova (1992) and Lynch and Panting (1982) in different ecosystems (forest, grassland and arable soils of Greece) and arable soil of Oxford shire, UK. The microbial C value obtained in the present study falls well within the ranges (61-2000 mg g_1) reported by Vance et al (1987) and Henrot and Robertson (1994) for various temperate and tropical forest soils and of sub-tropical forest (978-2088 mg g_1) reported by Arunachalam and Arunachalam (2000). The microbial N value is comparable to soils of coniferous forest soils (52-125 mg g_1) reported by Martikainen and Palojarvi (1990) and evergreen forests, (42-242 mg g_1) reported by Diaz-Ravina et al (1988), but lower than that of broad leaved deciduous forest soils (132-240 mg g_1; Diaz-Ravina et al, 1988).…”
Section: Discussionsupporting
confidence: 91%
“…Em ecossistemas temperados, a biomassa microbiana representa 0,27 a 5,0 % do CO total para solos cultivados e 1,8 a 2,9 % para solos de floresta (Anderson & Domsch, 1986;Vance et al, 1987); em ecossistemas tropicais, esses valores variam de 1,8 a 4 % (Luizão, 1992;Henrot & Robertson, 1994). No presente estudo (Quadro 7), em todos os sistemas a inclinação foi negativa, com exceção do ADPC, demonstrando decréscimo da relação C mic /C solo com a profundidade, ou seja, diminuição na disponibilidade do CO do solo para a biomassa microbiana em profundidade.…”
Section: Carbono Orgânico Do Solo (C Solo )unclassified
“…A mobilização do solo, por proporcionar a incorporação de resíduos orgânicos, pode elevar a biomassa microbiana a curto prazo, por disponibilizar substrato orgânico com a quebra dos agregados, mas, a longo prazo, pode ter efeitos negativos, como a diminuição dos teores de MO (Resck, 1998). Henrot & Robertson (1994) mediram o C da biomassa microbiana em dois solos tropicais que mostraram padrão similar no declínio da MO e da biomassa microbiana. Após três anos de cultivo convencional, o C total foi reduzido em 20 %, e o C microbiano, estabilizado a 35 % do seu valor inicial.…”
Section: Introductionunclassified
“…As an active fraction of soil organic matter, microbial biomass can provide a functional indication of slow changes, less easily detectable alterations in soil quality and accurate information on soil degradation in tropical soils (Henrot and Robertson 1994). Furthermore, biological degradation of soil is related to the deterioration or elimination of various populations of soil microorganisms that can cause changes in biochemical processes within the associated system (Sims 1990).…”
mentioning
confidence: 99%