Microbial biomass-C and basal respiration of fine earth and highly altered rock fragments of two forest soils
Highly altered rock fragments (dimension limits between 2 and 10 mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth. In addition, they display similar or higher pH and exchangeable catio...
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| Veröffentlicht in: | Soil biology & biochemistry 2001-04, Vol.33 (4), p.613-620 |
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| creator | Agnelli, A. Ugolini, F.C. Corti, G. Pietramellara, G. |
| description | Highly altered rock fragments (dimension limits between 2 and 10
mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth. In addition, they display similar or higher pH and exchangeable cations than the |
| doi_str_mv | 10.1016/S0038-0717(00)00203-0 |
| format | Article |
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mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth. In addition, they display similar or higher pH and exchangeable cations than the <2-mm fraction. Data on microbial biomass-C (C
mic) and basal respiration showed that the highly altered rock fragments are a favourable environment for the presence and activity of the microbial community that survives on the organic matter contained inside this fraction. In both soils the microorganisms inhabiting the rock fragments showed a higher metabolic efficiency than those of the fine earth. In particular, the rock fragments from the deepest horizons, contained a percentage of organic C present as microbial biomass (C
mic/C
org) decidedly higher than in the fine earth: 8.97 vs 0.57% in the BCb2 horizon of Cavalla and 1.71 vs 0.36% in the BC horizon of Buca. This high metabolic efficiency of the microbial community present in the rock fragments was confirmed by the low metabolic quotient (qCO
2) registered throughout the two profiles.</description><identifier>ISSN: 0038-0717</identifier><identifier>EISSN: 1879-3428</identifier><identifier>DOI: 10.1016/S0038-0717(00)00203-0</identifier><identifier>CODEN: SBIOAH</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Agronomy. Soil science and plant productions ; Basal respiration ; Biochemistry and biology ; Biological and medical sciences ; Chemical, physicochemical, biochemical and biological properties ; Fundamental and applied biological sciences. Psychology ; Italy ; Microbial biomass C ; Microbiology ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; q(CO 2) ; Rock fragments ; Soil organic C ; Soil science ; Soil skeleton</subject><ispartof>Soil biology & biochemistry, 2001-04, Vol.33 (4), p.613-620</ispartof><rights>2001 Elsevier Science Ltd</rights><rights>2001 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-32718cd4f74a62738e7630c634dcf7e0f4445ba8477275076c9b6e087a3913da3</citedby><cites>FETCH-LOGICAL-c366t-32718cd4f74a62738e7630c634dcf7e0f4445ba8477275076c9b6e087a3913da3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S0038-0717(00)00203-0$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=945029$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Agnelli, A.</creatorcontrib><creatorcontrib>Ugolini, F.C.</creatorcontrib><creatorcontrib>Corti, G.</creatorcontrib><creatorcontrib>Pietramellara, G.</creatorcontrib><title>Microbial biomass-C and basal respiration of fine earth and highly altered rock fragments of two forest soils</title><title>Soil biology & biochemistry</title><description>Highly altered rock fragments (dimension limits between 2 and 10
mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth. In addition, they display similar or higher pH and exchangeable cations than the <2-mm fraction. Data on microbial biomass-C (C
mic) and basal respiration showed that the highly altered rock fragments are a favourable environment for the presence and activity of the microbial community that survives on the organic matter contained inside this fraction. In both soils the microorganisms inhabiting the rock fragments showed a higher metabolic efficiency than those of the fine earth. In particular, the rock fragments from the deepest horizons, contained a percentage of organic C present as microbial biomass (C
mic/C
org) decidedly higher than in the fine earth: 8.97 vs 0.57% in the BCb2 horizon of Cavalla and 1.71 vs 0.36% in the BC horizon of Buca. This high metabolic efficiency of the microbial community present in the rock fragments was confirmed by the low metabolic quotient (qCO
2) registered throughout the two profiles.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Basal respiration</subject><subject>Biochemistry and biology</subject><subject>Biological and medical sciences</subject><subject>Chemical, physicochemical, biochemical and biological properties</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Italy</subject><subject>Microbial biomass C</subject><subject>Microbiology</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>q(CO 2)</subject><subject>Rock fragments</subject><subject>Soil organic C</subject><subject>Soil science</subject><subject>Soil skeleton</subject><issn>0038-0717</issn><issn>1879-3428</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkE1r3DAQhkVpoNs0PyEgCIT24GZkyZJ9CmVJPyAhh7RnMZZHWbW2tZGchvz7andDrj0NDM87L_MwdirgswChL-4AZFuBEeYjwCeAGmQFb9hKtKarpKrbt2z1irxj73P-DYVqhFyx6Sa4FPuAI-9DnDDnas1xHniPuewS5W1IuIQ48-i5DzNxwrRs9swm3G_GZ47jQokGnqL7w33C-4nmJe_45SlyH8uRhecYxvyBHXkcM528zGP26-vVz_X36vr224_1l-vKSa2XStZGtG5Q3ijUtZEtGS3BaakG5w2BV0o1PbbKmNo0YLTrek3QGpSdkAPKY3Z-uLtN8eGx1NspZEfjiDPFx2yF6epa6qaAzQEsEnJO5O02hQnTsxVgd3LtXq7dmbMAdi_XQsmdvRRgdjiWp2cX8mu4Uw3UXaEuDxSVX_8GSja7QLOjISRyix1i-E_PPyF9jX0</recordid><startdate>20010401</startdate><enddate>20010401</enddate><creator>Agnelli, A.</creator><creator>Ugolini, F.C.</creator><creator>Corti, G.</creator><creator>Pietramellara, G.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20010401</creationdate><title>Microbial biomass-C and basal respiration of fine earth and highly altered rock fragments of two forest soils</title><author>Agnelli, A. ; Ugolini, F.C. ; Corti, G. ; Pietramellara, G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-32718cd4f74a62738e7630c634dcf7e0f4445ba8477275076c9b6e087a3913da3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Basal respiration</topic><topic>Biochemistry and biology</topic><topic>Biological and medical sciences</topic><topic>Chemical, physicochemical, biochemical and biological properties</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Italy</topic><topic>Microbial biomass C</topic><topic>Microbiology</topic><topic>Physics, chemistry, biochemistry and biology of agricultural and forest soils</topic><topic>q(CO 2)</topic><topic>Rock fragments</topic><topic>Soil organic C</topic><topic>Soil science</topic><topic>Soil skeleton</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Agnelli, A.</creatorcontrib><creatorcontrib>Ugolini, F.C.</creatorcontrib><creatorcontrib>Corti, G.</creatorcontrib><creatorcontrib>Pietramellara, G.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Soil biology & biochemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Agnelli, A.</au><au>Ugolini, F.C.</au><au>Corti, G.</au><au>Pietramellara, G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microbial biomass-C and basal respiration of fine earth and highly altered rock fragments of two forest soils</atitle><jtitle>Soil biology & biochemistry</jtitle><date>2001-04-01</date><risdate>2001</risdate><volume>33</volume><issue>4</issue><spage>613</spage><epage>620</epage><pages>613-620</pages><issn>0038-0717</issn><eissn>1879-3428</eissn><coden>SBIOAH</coden><abstract>Highly altered rock fragments (dimension limits between 2 and 10
mm) from two sandstone-derived soils, Cavalla and Buca, of the Vallombrosa Forest, Italy, are porous and manifest chemical properties similar to those of fine earth. In addition, they display similar or higher pH and exchangeable cations than the <2-mm fraction. Data on microbial biomass-C (C
mic) and basal respiration showed that the highly altered rock fragments are a favourable environment for the presence and activity of the microbial community that survives on the organic matter contained inside this fraction. In both soils the microorganisms inhabiting the rock fragments showed a higher metabolic efficiency than those of the fine earth. In particular, the rock fragments from the deepest horizons, contained a percentage of organic C present as microbial biomass (C
mic/C
org) decidedly higher than in the fine earth: 8.97 vs 0.57% in the BCb2 horizon of Cavalla and 1.71 vs 0.36% in the BC horizon of Buca. This high metabolic efficiency of the microbial community present in the rock fragments was confirmed by the low metabolic quotient (qCO
2) registered throughout the two profiles.</abstract><cop>Oxford</cop><cop>New York, NY</cop><pub>Elsevier Ltd</pub><doi>10.1016/S0038-0717(00)00203-0</doi><tpages>8</tpages></addata></record> |
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| subjects | Agronomy. Soil science and plant productions Basal respiration Biochemistry and biology Biological and medical sciences Chemical, physicochemical, biochemical and biological properties Fundamental and applied biological sciences. Psychology Italy Microbial biomass C Microbiology Physics, chemistry, biochemistry and biology of agricultural and forest soils q(CO 2) Rock fragments Soil organic C Soil science Soil skeleton |
| title | Microbial biomass-C and basal respiration of fine earth and highly altered rock fragments of two forest soils |
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