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Hypersaline tidal f...
Hypersaline tidal flats as important "blue carbon" systems : a case study from three ecosystems
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- Brown, Dylan R. (författare)
- Southern Cross Univ, Australia
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- Marotta, Humberto (författare)
- Univ Fed Fluminense, Brazil; Univ Fed Fluminense, Brazil; Univ Fed Fluminense, Brazil
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- Peixoto, Roberta B. (författare)
- Univ Fed Fluminense, Brazil; Univ Fed Fluminense, Brazil
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- Enrich Prast, Alex (författare)
- Linköpings universitet,Tema Miljöförändring,Filosofiska fakulteten,Univ Fed Fluminense, Brazil; Univ Fed Rio de Janeiro, Brazil
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- Barroso, Glenda C. (författare)
- Univ Fed Fluminense, Brazil
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- Soares, Mario L. G. (författare)
- Univ Estado Rio de Janeiro UERJ, Brazil; Univ Estado Rio de Janeiro UERJ, Brazil
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- Machado, Wilson (författare)
- Univ Fed Fluminense, Brazil
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- Perez, Alexander (författare)
- Univ Fed Fluminense, Brazil; Univ Peruana Cayetano Heredia, Peru
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- Smoak, Joseph M. (författare)
- Univ S Florida, FL 33701 USA
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- Sanders, Luciana M. (författare)
- Southern Cross Univ, Australia
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- Conrad, Stephen (författare)
- Southern Cross Univ, Australia
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- Sippo, James Z. (författare)
- Southern Cross Univ, Australia; Southern Cross Univ, Australia; Southern Cross Univ, Australia
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- Santos, Isaac R. (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för marina vetenskaper,Department of marine sciences
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- Maher, Damien T. (författare)
- Southern Cross Univ, Australia; Southern Cross Univ, Australia; Southern Cross Univ, Australia
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- Sanders, Christian J. (författare)
- Southern Cross Univ, Australia; East China Normal Univ, Peoples R China
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(creator_code:org_t)
- 2021-04-22
- 2021
- Engelska.
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Ingår i: Biogeosciences. - : COPERNICUS GESELLSCHAFT MBH. - 1726-4170 .- 1726-4189. ; 18:8, s. 2527-2538
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://bg.copernicu...
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https://urn.kb.se/re...
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https://doi.org/10.5...
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https://gup.ub.gu.se...
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Abstract
Ämnesord
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- Hypersaline tidal flats (HTFs) are coastal ecosystems with freshwater deficits often occurring in arid or semiarid regions near mangrove supratidal zones with no major fluvial contributions. Here, we estimate that organic carbon (OC), total nitrogen (TN) and total phosphorus (TP) were buried at rates averaging 21 (+/- 6), 1.7 (+/- 0.3) and 1.4 (+/- 0.3) gm(-2) yr(-1), respectively, during the previous century in three contrasting HTF systems, one in Brazil (eutrophic) and two in Australia (oligotrophic). Although these rates are lower than those from nearby mangrove, saltmarsh and seagrass systems, the importance of HTFs as sinks for OC, TN and TP may be significant given their extensive coverage. Despite the measured short-term variability between net air-saltpan CO2 influx and emission estimates found during the dry and wet season in the Brazilian HTF, the only site with seasonal CO2 flux measurements, the OC sedimentary profiles over several decades suggest efficient OC burial at all sites. Indeed, the stable isotopes of OC and TN (delta C-13 and delta N-1(5)) along with C : N ratios show that microphytobenthos are the major source of the buried OC in these HTFs. Our findings highlight a previously unquantified carbon as well as a nutrient sink and suggest that coastal HTF ecosystems could be included in the emerging blue carbon framework.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Oceanografi, hydrologi och vattenresurser (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Oceanography, Hydrology and Water Resources (hsv//eng)
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- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Brown, Dylan R.
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Marotta, Humbert ...
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Peixoto, Roberta ...
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Enrich Prast, Al ...
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Barroso, Glenda ...
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Soares, Mario L. ...
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visa fler...
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Machado, Wilson
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Perez, Alexander
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Smoak, Joseph M.
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Sanders, Luciana ...
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Conrad, Stephen
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Sippo, James Z.
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Santos, Isaac R.
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Maher, Damien T.
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Sanders, Christi ...
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Geovetenskap och ...
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och Naturgeografi
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- NATURVETENSKAP
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NATURVETENSKAP
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och Geovetenskap och ...
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och Oceanografi hydr ...
- Artiklar i publikationen
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Biogeosciences
- Av lärosätet
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Linköpings universitet
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Göteborgs universitet