Monitoring the impact of acid deposition on the soil microbiota, using glucose and vanillin decomposition
Identifieur interne : 004E61 ( Main/Exploration ); précédent : 004E60; suivant : 004E62Monitoring the impact of acid deposition on the soil microbiota, using glucose and vanillin decomposition
Auteurs : R. J. F. Bewley [Canada] ; D. Parkinson [Canada]Source :
- Water, Air, and Soil Pollution [ 0049-6979 ] ; 1986-01-01.
Abstract
Abstract: Samples of organic (F/H) and mineral soil (to approximately 8 cm depth) were collected from three ‘ecologically analogous’ sites in a boreal forest at intervals of 2.8 km (site 1), 6.0 km (site 2) and 9.6 km (site 3) from a ‘sour gas’ plant emitting S02. The organic soil of site 1 was characterized by a lower basal respiration rate, smaller microbial biomass, and a longer time to attain the peak rate of CO2 efflux following enrichment with glucose or vanillin (0.15 and 0.1 g (15 g soil)−1, respectively). No significant differences were detected between the mineral soils of the 3 sites in terms of the rate or extent of glucose decomposition (0.1 g (100 g soil)−1), but there was a significant retardation in vanillin decomposition in the mineral soil of site 1 (0.05 g (100 g soil)−1). Concentrations of 0.075 and 0.1 g vanillin (100 g soil)−1 were decomposed in the mineral soil of sites 2 and 3, but not at site 1. Following incubation with vanillin, fewer bacteria were isolated from both the organic and mineral soils of site 1, and a greater proportion of these were spore formers and bisulfite-tolerant isolates compared with those from sites 2 and 3.
Url:
DOI: 10.1007/BF00464769
Affiliations:
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J. F." last="Bewley">R. J. F. Bewley</name><affiliation wicri:level="4"><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biology, University of Calgary, T2N IN4, Calgary, Alberta</wicri:regionArea><orgName type="university">Université de Calgary</orgName><placeName><settlement type="city">Calgary</settlement><region type="state">Alberta</region></placeName></affiliation></author><author><name sortKey="Parkinson, D" sort="Parkinson, D" uniqKey="Parkinson D" first="D." last="Parkinson">D. Parkinson</name><affiliation wicri:level="4"><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Biology, University of Calgary, T2N IN4, Calgary, Alberta</wicri:regionArea><orgName type="university">Université de Calgary</orgName><placeName><settlement type="city">Calgary</settlement><region type="state">Alberta</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Water, Air, and Soil Pollution</title><title level="j" type="sub">An International Journal of Environmental Pollution</title><title level="j" type="abbrev">Water Air Soil Pollut</title><idno type="ISSN">0049-6979</idno><idno type="eISSN">1573-2932</idno><imprint><publisher>Kluwer Academic Publishers</publisher><pubPlace>Dordrecht</pubPlace><date type="published" when="1986-01-01">1986-01-01</date><biblScope unit="volume">27</biblScope><biblScope unit="issue">1-2</biblScope><biblScope unit="page" from="57">57</biblScope><biblScope unit="page" to="68">68</biblScope></imprint><idno type="ISSN">0049-6979</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0049-6979</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Samples of organic (F/H) and mineral soil (to approximately 8 cm depth) were collected from three ‘ecologically analogous’ sites in a boreal forest at intervals of 2.8 km (site 1), 6.0 km (site 2) and 9.6 km (site 3) from a ‘sour gas’ plant emitting S02. The organic soil of site 1 was characterized by a lower basal respiration rate, smaller microbial biomass, and a longer time to attain the peak rate of CO2 efflux following enrichment with glucose or vanillin (0.15 and 0.1 g (15 g soil)−1, respectively). No significant differences were detected between the mineral soils of the 3 sites in terms of the rate or extent of glucose decomposition (0.1 g (100 g soil)−1), but there was a significant retardation in vanillin decomposition in the mineral soil of site 1 (0.05 g (100 g soil)−1). Concentrations of 0.075 and 0.1 g vanillin (100 g soil)−1 were decomposed in the mineral soil of sites 2 and 3, but not at site 1. Following incubation with vanillin, fewer bacteria were isolated from both the organic and mineral soils of site 1, and a greater proportion of these were spore formers and bisulfite-tolerant isolates compared with those from sites 2 and 3.</div></front></TEI><affiliations><list><country><li>Canada</li></country><region><li>Alberta</li></region><settlement><li>Calgary</li></settlement><orgName><li>Université de Calgary</li></orgName></list><tree><country name="Canada"><region name="Alberta"><name sortKey="Bewley, R J F" sort="Bewley, R J F" uniqKey="Bewley R" first="R. J. F." last="Bewley">R. J. F. Bewley</name></region><name sortKey="Parkinson, D" sort="Parkinson, D" uniqKey="Parkinson D" first="D." last="Parkinson">D. Parkinson</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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