Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network

Organic matter (OM) dynamics determine how much carbon is stored in ecosystems, a service that modulates climate. We synthesized research from across the US Long-Term Ecological Research (LTER) Network to assemble a conceptual model of OM dynamics that is consistent with inter-disciplinary perspecti...

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Autores principales:	Tamara K. Harms, Peter M. Groffman, Lihini Aluwihare, Christopher Craft, William R Wieder, Sarah E. Hobbie, Sara G. Baer, John M. Blair, Serita Frey, Christina K. Remucal, Jennifer A. Rudgers, Scott L. Collins
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Organic matter storage Coupled biogeochemical cycles Transport Organic matter composition Stabilization Cross-site synthesis Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/a18e7080a3404a859687e5014a593276
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spelling	oai:doaj.org-article:a18e7080a3404a859687e5014a5932762021-11-04T04:43:26ZPatterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network2666-900510.1016/j.ecochg.2021.100025https://doaj.org/article/a18e7080a3404a859687e5014a5932762021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2666900521000253https://doaj.org/toc/2666-9005Organic matter (OM) dynamics determine how much carbon is stored in ecosystems, a service that modulates climate. We synthesized research from across the US Long-Term Ecological Research (LTER) Network to assemble a conceptual model of OM dynamics that is consistent with inter-disciplinary perspectives and emphasizes vulnerability of OM pools to disturbance. Guided by this conceptual model, we identified unanticipated patterns and long-term trends in processing and transport of OM emerging from terrestrial, freshwater, wetland, and marine ecosystems. Cross-ecosystem synthesis combined with a survey of researchers revealed several themes: 1) strong effects of climate change on OM dynamics, 2) surprising patterns in OM storage and dynamics resulting from coupling with nutrients, 3) characteristic and often complex legacies of land use and disturbance, 4) a significant role of OM transport that is often overlooked in terrestrial ecosystems, and 5) prospects for reducing uncertainty in forecasting OM dynamics by incorporating the chemical composition of OM. Cross-fertilization of perspectives and approaches across LTER sites and other research networks can stimulate the comprehensive understanding required to support large-scale characterizations of OM budgets and the role of ecosystems in regulating global climate.Tamara K. HarmsPeter M. GroffmanLihini AluwihareChristopher CraftWilliam R WiederSarah E. HobbieSara G. BaerJohn M. BlairSerita FreyChristina K. RemucalJennifer A. RudgersScott L. CollinsElsevierarticleOrganic matter storageCoupled biogeochemical cyclesTransportOrganic matter compositionStabilizationCross-site synthesisEcologyQH540-549.5ENClimate Change Ecology, Vol 2, Iss , Pp 100025- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Organic matter storage Coupled biogeochemical cycles Transport Organic matter composition Stabilization Cross-site synthesis Ecology QH540-549.5
spellingShingle	Organic matter storage Coupled biogeochemical cycles Transport Organic matter composition Stabilization Cross-site synthesis Ecology QH540-549.5 Tamara K. Harms Peter M. Groffman Lihini Aluwihare Christopher Craft William R Wieder Sarah E. Hobbie Sara G. Baer John M. Blair Serita Frey Christina K. Remucal Jennifer A. Rudgers Scott L. Collins Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network
description	Organic matter (OM) dynamics determine how much carbon is stored in ecosystems, a service that modulates climate. We synthesized research from across the US Long-Term Ecological Research (LTER) Network to assemble a conceptual model of OM dynamics that is consistent with inter-disciplinary perspectives and emphasizes vulnerability of OM pools to disturbance. Guided by this conceptual model, we identified unanticipated patterns and long-term trends in processing and transport of OM emerging from terrestrial, freshwater, wetland, and marine ecosystems. Cross-ecosystem synthesis combined with a survey of researchers revealed several themes: 1) strong effects of climate change on OM dynamics, 2) surprising patterns in OM storage and dynamics resulting from coupling with nutrients, 3) characteristic and often complex legacies of land use and disturbance, 4) a significant role of OM transport that is often overlooked in terrestrial ecosystems, and 5) prospects for reducing uncertainty in forecasting OM dynamics by incorporating the chemical composition of OM. Cross-fertilization of perspectives and approaches across LTER sites and other research networks can stimulate the comprehensive understanding required to support large-scale characterizations of OM budgets and the role of ecosystems in regulating global climate.
format	article
author	Tamara K. Harms Peter M. Groffman Lihini Aluwihare Christopher Craft William R Wieder Sarah E. Hobbie Sara G. Baer John M. Blair Serita Frey Christina K. Remucal Jennifer A. Rudgers Scott L. Collins
author_facet	Tamara K. Harms Peter M. Groffman Lihini Aluwihare Christopher Craft William R Wieder Sarah E. Hobbie Sara G. Baer John M. Blair Serita Frey Christina K. Remucal Jennifer A. Rudgers Scott L. Collins
author_sort	Tamara K. Harms
title	Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network
title_short	Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network
title_full	Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network
title_fullStr	Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network
title_full_unstemmed	Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network
title_sort	patterns and trends of organic matter processing and transport: insights from the us long-term ecological research network
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/a18e7080a3404a859687e5014a593276
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Patterns and trends of organic matter processing and transport: Insights from the US long-term ecological research network

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