Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms
Soil microorganisms contribute to soil carbon storage, soil respiration and nutrient cycling. In south Patagonia, there are scarce studies on carbon (C) and nitrogen (N) in soil microbial biomass (MB). The aim of this work was to evaluate C and N content in soil MB, and soil microbial respiration a...
| Autores principales: | , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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Springer
2023
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/14131 https://link.springer.com/article/10.1007/s10457-022-00767-2 https://doi.org/10.1007/s10457-022-00767-2 |
| _version_ | 1855485310155096064 |
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| author | Gargaglione, Veronica Beatriz Gonzalez-Polo, Marina Birgi, Jorge Alberto Toledo, Santiago Peri, Pablo Luis |
| author_browse | Birgi, Jorge Alberto Gargaglione, Veronica Beatriz Gonzalez-Polo, Marina Peri, Pablo Luis Toledo, Santiago |
| author_facet | Gargaglione, Veronica Beatriz Gonzalez-Polo, Marina Birgi, Jorge Alberto Toledo, Santiago Peri, Pablo Luis |
| author_sort | Gargaglione, Veronica Beatriz |
| collection | INTA Digital |
| description | Soil microorganisms contribute to soil carbon storage, soil respiration and nutrient cycling. In south Patagonia, there are scarce studies on carbon (C) and nitrogen (N) in soil microbial biomass (MB). The aim of this work was to evaluate C and N content
in soil MB, and soil microbial respiration according to different sites and forest uses: Nothofagus antarctica primary forests (PF), silvopastoral forests (SPF) and open site (OS). For MB determination, soil samples (0–10 cm depth) were collected in spring
(November) and summer (February) over two years. Soil microbial biomass C (SMB-C) was determined using the chloroform fumigation-extraction method and soil microbial biomass N (SMB-N) by a modification of the fumigation–incubation method. Significant differences were observed in SMB-C according to site, forest use and year. Morro Chico ranch presented the lowest SMB-C (721.4 µg C g−1) whereas Tres Marías had the highest (1216.6 µg C g−1). For forest use, the gradient PF >SPF > OS was observed.
SMB-N also presented differences and SPF had significantly lower SMB-N (110.9 µg N g−1 soil) than PF (137.5 µg N g−1 soil) and OS (141.76 µg N g−1 soil). The total cumulative respiration was 9657, 10,560 and 12,780 mg C kg−1 for SPF, OS and PF, respectively. Our results support the hypothesis that silvopastoral use of N. antarctica forests affects SMBC. This should be considered if N. antarctica trees are going to be remove to install silvopastoral systems, because this clearly affects soil microorganisms, and in consequence, soil carbon dynamics. |
| format | Artículo |
| id | INTA14131 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2023 |
| publishDateRange | 2023 |
| publishDateSort | 2023 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | INTA141312023-04-17T17:36:11Z Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms Gargaglione, Veronica Beatriz Gonzalez-Polo, Marina Birgi, Jorge Alberto Toledo, Santiago Peri, Pablo Luis Primary Forests Silvopastoral Systems Microorganisms Soil Soil Organic Carbon Degradation Soil Biology Bosque Primario Nothofagus Sistemas Silvopascícolas Microorganismos Suelo Carbono Orgánico del Suelo Descomposición Biología del Suelo Santa Cruz (Argentina) Nothofagus antarctica Biomasa Microbiana Región Patagónica Microbial Biomass Soil microorganisms contribute to soil carbon storage, soil respiration and nutrient cycling. In south Patagonia, there are scarce studies on carbon (C) and nitrogen (N) in soil microbial biomass (MB). The aim of this work was to evaluate C and N content in soil MB, and soil microbial respiration according to different sites and forest uses: Nothofagus antarctica primary forests (PF), silvopastoral forests (SPF) and open site (OS). For MB determination, soil samples (0–10 cm depth) were collected in spring (November) and summer (February) over two years. Soil microbial biomass C (SMB-C) was determined using the chloroform fumigation-extraction method and soil microbial biomass N (SMB-N) by a modification of the fumigation–incubation method. Significant differences were observed in SMB-C according to site, forest use and year. Morro Chico ranch presented the lowest SMB-C (721.4 µg C g−1) whereas Tres Marías had the highest (1216.6 µg C g−1). For forest use, the gradient PF >SPF > OS was observed. SMB-N also presented differences and SPF had significantly lower SMB-N (110.9 µg N g−1 soil) than PF (137.5 µg N g−1 soil) and OS (141.76 µg N g−1 soil). The total cumulative respiration was 9657, 10,560 and 12,780 mg C kg−1 for SPF, OS and PF, respectively. Our results support the hypothesis that silvopastoral use of N. antarctica forests affects SMBC. This should be considered if N. antarctica trees are going to be remove to install silvopastoral systems, because this clearly affects soil microorganisms, and in consequence, soil carbon dynamics. EEA Santa Cruz Fil: Gargaglione Verónica Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Santa Cruz; Argentina. Fil: Gargaglione Verónica Beatriz. Universidad Nacional de la Patagonia Austral (UNPA). Santa Cruz; Argentina. Fil: Gonzalez-Polo, Marina. Universidad Nacional del Comahue. Bariloche; Argentina. Fil: Gonzalez-Polo, Marina. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). INIBIOMA. Bariloche; Argentina. Fil: Birgi, Jorge Alberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz. Santa Cruz; Argentina. Fil: Toledo, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). CIT Santa Cruz; Argentina. Fil: Toledo, Santiago: Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Santa Cruz; Argentina. Fil: Peri, Pablo Luis. Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria Santa Cruz; Argentina. Fil: Peri, Pablo Luis. Universidad Nacional de la Patagonia Austral (UNPA). Santa Cruz; Argentina. Fil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET); Argentina. 2023-03-03T10:30:33Z 2023-03-03T10:30:33Z 2022-09-06 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/14131 https://link.springer.com/article/10.1007/s10457-022-00767-2 Gargaglione V.; Gonzalez Polo M.; Birgi J.; Toledo S.; Peri P.L. (2022) Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms. Agroforestry Systems 96: 957-968. 0167-4366 1572-9680 https://doi.org/10.1007/s10457-022-00767-2 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Springer Agroforestry Systems 96 : 957-968. (September 2022) |
| spellingShingle | Primary Forests Silvopastoral Systems Microorganisms Soil Soil Organic Carbon Degradation Soil Biology Bosque Primario Nothofagus Sistemas Silvopascícolas Microorganismos Suelo Carbono Orgánico del Suelo Descomposición Biología del Suelo Santa Cruz (Argentina) Nothofagus antarctica Biomasa Microbiana Región Patagónica Microbial Biomass Gargaglione, Veronica Beatriz Gonzalez-Polo, Marina Birgi, Jorge Alberto Toledo, Santiago Peri, Pablo Luis Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms |
| title | Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms |
| title_full | Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms |
| title_fullStr | Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms |
| title_full_unstemmed | Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms |
| title_short | Silvopastoral use of Nothofagus antarctica forests in Patagonia: impact on soil microorganisms |
| title_sort | silvopastoral use of nothofagus antarctica forests in patagonia impact on soil microorganisms |
| topic | Primary Forests Silvopastoral Systems Microorganisms Soil Soil Organic Carbon Degradation Soil Biology Bosque Primario Nothofagus Sistemas Silvopascícolas Microorganismos Suelo Carbono Orgánico del Suelo Descomposición Biología del Suelo Santa Cruz (Argentina) Nothofagus antarctica Biomasa Microbiana Región Patagónica Microbial Biomass |
| url | http://hdl.handle.net/20.500.12123/14131 https://link.springer.com/article/10.1007/s10457-022-00767-2 https://doi.org/10.1007/s10457-022-00767-2 |
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