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dc.contributor.authorGonzález-Pinzón, Ricardo-
dc.contributor.authorPeipoch, Marc-
dc.contributor.authorHaggerty, R.-
dc.contributor.authorMartí, Eugènia-
dc.contributor.authorFleckenstein, Jan H.-
dc.date.accessioned2015-03-18T13:43:11Z-
dc.date.available2015-03-18T13:43:11Z-
dc.date.issued2015-
dc.identifier.citationEcohydrology : 10.1002/eco.1615 (2015)es_ES
dc.identifier.issn1936-0584-
dc.identifier.urihttp://hdl.handle.net/10261/112641-
dc.description8 páginas,6 figuras, 4 tablas.es_ES
dc.description.abstractWe investigated changes in respiration across nighttime and daytime in a headwater stream. For this, we conducted consecutive nighttime and daytime experiments injecting the bioreactive tracer resazurin in two reaches with different riparian canopy densities (different levels of photosynthetically active radiation) to compare respiration rate coefficients. We found that even though stream water temperatures measured above the streambed at day and night (half-day timescale) were different within each reach and across reaches (95% confidence level), apparent respiration rate coefficients were not different across nighttime and daytime conditions (95% confidence level). A likely explanation for this is that the bulk of stream respiration takes place in the hyporheic zone, where diel fluctuations of stream temperature and photosynthetically active radiation are considerably attenuated and where temperature is not measured in routine investigations of stream metabolism. Our results suggest that community respiration in headwater streams may not need to be ‘corrected’ for temperature between daytime and nighttime, even though instantaneous changes in respiration are expected to occur from a pure biological perspective.es_ES
dc.description.sponsorshipThis work was funded by NSF grants EAR 09-38338 and IIA-1301346, and by the Spanish Ministry of Science and Innovation through the ISONEF (ref: CGL2008-05504-C02- 02/BOS) project.es_ES
dc.language.isoenges_ES
dc.publisherJohn Wiley & Sonses_ES
dc.rightsclosedAccesses_ES
dc.subjectHyporheic zonees_ES
dc.subjectStream metabolismes_ES
dc.subjectCommunity respirationes_ES
dc.subjectResazurines_ES
dc.subjectSmart tracerses_ES
dc.subjectDiel fluctuationses_ES
dc.subjectHeadwater streames_ES
dc.subjectStream temperaturees_ES
dc.titleNighttime and daytime respiration in a headwater streames_ES
dc.typeartículoes_ES
dc.identifier.doihttp://dx.doi.org/10.1002/eco.1615-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1002/eco.1615es_ES
dc.identifier.e-issn1936-0592-
dc.relation.csices_ES
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