Registro completo de metadatos
| Campo DC | Valor | Lengua/Idioma |
|---|---|---|
| dc.provenance | CONICET | - |
| dc.creator | Irvine, Irina C. | - |
| dc.creator | Vivanco, Lucía | - |
| dc.creator | Bentley, Peris N. | - |
| dc.creator | Martiny, Jennifer B. H. | - |
| dc.date | 2017-05-23T19:46:32Z | - |
| dc.date | 2017-05-23T19:46:32Z | - |
| dc.date | 2012-03 | - |
| dc.date | 2017-05-22T20:48:15Z | - |
| dc.date.accessioned | 2019-04-29T15:47:38Z | - |
| dc.date.available | 2019-04-29T15:47:38Z | - |
| dc.date.issued | 2012-03 | - |
| dc.identifier | Irvine, Irina C.; Vivanco, Lucía; Bentley, Peris N.; Martiny, Jennifer B. H.; The effect of nitrogen enrichment on C1-cycling microorganisms and methane flux in salt marsh sediments; Frontiers; Frontiers in Microbiology; 3; 3-2012; 1-10; 90 | - |
| dc.identifier | 1664-302X | - |
| dc.identifier | http://hdl.handle.net/11336/16901 | - |
| dc.identifier.uri | http://rodna.bn.gov.ar:8080/jspui/handle/bnmm/302169 | - |
| dc.description | Methane (CH4) flux from ecosystems is driven by C1-cycling microorganisms – the methanogens and the methylotrophs. Little is understood about what regulates these communities, complicating predictions about how global change drivers such as nitrogen enrichment will affect methane cycling. Using a nitrogen addition gradient experiment in three Southern California salt marshes, we show that sediment CH4 flux increased linearly with increasing nitrogen addition (1.23μg CH4 m−2 day−1 for each g N m−2 year−1 applied) after 7 months of fertilization. To test the reason behind this increased CH4 flux, we conducted a microcosm experiment altering both nitrogen and carbon availability under aerobic and anaerobic conditions. Methanogenesis appeared to be both nitrogen and carbon (acetate) limited. N and C each increased methanogenesis by 18%, and together by 44%. In contrast, methanotrophy was stimulated by carbon (methane) addition (830%), but was unchanged by nitrogen addition. Sequence analysis of the sediment methylotroph community with the methanol dehydrogenase gene (mxaF) revealed three distinct clades that fall outside of known lineages. However, in agreement with the microcosm results, methylotroph abundance (assayed by qPCR) and composition (assayed by terminal restriction fragment length polymorphism analysis) did not vary across the experimental nitrogen gradient in the field.Together, these results suggest that nitrogen enrichment to salt marsh sediments increases methane flux by stimulating the methanogen community. | - |
| dc.description | Fil: Irvine, Irina C.. University of California at Irvine; Estados Unidos. United States National Park Service; Estados Unidos | - |
| dc.description | Fil: Vivanco, Lucía. University of California at Irvine; Estados Unidos. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina | - |
| dc.description | Fil: Bentley, Peris N.. University of California at Irvine; Estados Unidos | - |
| dc.description | Fil: Martiny, Jennifer B. H.. University of California at Irvine; Estados Unidos | - |
| dc.format | application/pdf | - |
| dc.format | application/pdf | - |
| dc.language | eng | - |
| dc.publisher | Frontiers | - |
| dc.relation | info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.3389/fmicb.2012.00090 | - |
| dc.relation | info:eu-repo/semantics/altIdentifier/url/http://journal.frontiersin.org/article/10.3389/fmicb.2012.00090/full | - |
| dc.rights | info:eu-repo/semantics/openAccess | - |
| dc.rights | https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ | - |
| dc.source | reponame:CONICET Digital (CONICET) | - |
| dc.source | instname:Consejo Nacional de Investigaciones Científicas y Técnicas | - |
| dc.source | instacron:CONICET | - |
| dc.source.uri | http://hdl.handle.net/11336/16901 | - |
| dc.subject | METHYLOTROPHY | - |
| dc.subject | METHANOGENESIS | - |
| dc.subject | METHANOTROPHY | - |
| dc.subject | METHANE FLUX | - |
| dc.subject | NITROGEN GRADIENT | - |
| dc.subject | NUTRIENT LIMITATION, | - |
| dc.subject | MXAF | - |
| dc.subject | ACETATE | - |
| dc.subject | Biología Celular, Microbiología | - |
| dc.subject | Ciencias Biológicas | - |
| dc.subject | CIENCIAS NATURALES Y EXACTAS | - |
| dc.subject | Ecología | - |
| dc.subject | Ciencias Biológicas | - |
| dc.subject | CIENCIAS NATURALES Y EXACTAS | - |
| dc.title | The effect of nitrogen enrichment on C1-cycling microorganisms and methane flux in salt marsh sediments | - |
| dc.type | info:eu-repo/semantics/article | - |
| dc.type | info:eu-repo/semantics/publishedVersion | - |
| dc.type | info:ar-repo/semantics/articulo | - |
| Aparece en las colecciones: | CONICET | |
Ficheros en este ítem:
No hay ficheros asociados a este ítem.