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cc-by (c) Lundin, E.J. et al., 2015
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/208381

Large difference in carbon emission - burial balances between boreal and arctic lakes

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Lakes play an important role in the global carbon (C) cycle by burying C in sediments and emitting CO2 and CH4 to the atmosphere. The strengths and control of these fundamentally different pathways are therefore of interest when assessing the continental C balance and its response to environmental change. In this study, based on new high-resolution estimates in combination with literature data, we show that annual emission:burial ratios are generally ten times higher in boreal compared to subarctic – arctic lakes. These results suggest major differences in lake C cycling between biomes, as lakes in warmer boreal regions emit more and store relatively less C than lakes in colder arctic regions. Such effects are of major importance for understanding climatic feedbacks on the continental C sink – source function at high latitudes. If predictions of global warming and northward expansion of the boreal biome are correct, it is likely that increasing C emissions from high latitude lakes will partly counteract the presumed increasing terrestrial C sink capacity at high latitudes.

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LUNDIN, Erik j., KLAMINDER, J., BASTVIKEN, David, OLID GARCIA, Carolina, HANSSON, S.v., KARLSSON, Jan. Large difference in carbon emission - burial balances between boreal and arctic lakes. _Scientific Reports_. 2015. Vol. 5, núm. 14248. [consulta: 7 de gener de 2026]. ISSN: 2045-2322. [Disponible a: https://hdl.handle.net/2445/208381]

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