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Tytuł:
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Carbon sequestration by Australian tidal marshes.
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Autorzy:
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Macreadie PI; Deakin University, School of Life and Environmental Sciences, Centre for Integrative Ecology, 221 Burwood Highway, Burwood, VIC 3125, Australia.; Climate Change Cluster, University of Technology Sydney, 2007 Australia.
Ollivier QR; Deakin University, School of Life and Environmental Sciences, Centre for Integrative Ecology, 221 Burwood Highway, Burwood, VIC 3125, Australia.
Kelleway JJ; Climate Change Cluster, University of Technology Sydney, 2007 Australia.; Department of Environmental Sciences, Macquarie University, Sydney, NSW 2109, Australia.
Serrano O; School of Science &Centre for Marine Ecosystems Research, Edith Cowan University, Joondalup, WA 6027, Australia.; UWA Oceans Institute, University of Western Australia, Crawley, WA, Australia.
Carnell PE; Deakin University, School of Life and Environmental Sciences, Centre for Integrative Ecology, 221 Burwood Highway, Burwood, VIC 3125, Australia.
Ewers Lewis CJ; Deakin University, School of Life and Environmental Sciences, Centre for Integrative Ecology, 221 Burwood Highway, Burwood, VIC 3125, Australia.
Atwood TB; Department of Watershed Sciences and The Ecology Center, Utah State University, Logan, UT 84322 USA.; Global Change Institute, University of Queensland, St Lucia, Queensland 4072, Australia.
Sanderman J; Woods Hole Research Center, 149 Woods Hole Road, Falmouth MA 02540, USA.; CSIRO Agriculture and Food, PMB2, Glen Osmond, SA 5064, Australia.
Baldock J; CSIRO Agriculture and Food, PMB2, Glen Osmond, SA 5064, Australia.
Connolly RM; Australian Rivers Institute - Coast &Estuaries, and School of Environment, Gold Coast campus, Griffith University, Queensland, 4222 Australia.
Duarte CM; King Abdullah University of Science and Technology (KAUST), Red Sea Research Center (RSRC), Thuwal, 23955-6900, Saudi Arabia.
Lavery PS; School of Science &Centre for Marine Ecosystems Research, Edith Cowan University, Joondalup, WA 6027, Australia.; Centro de Estudios Avanzados de Blanes, Consejo Superior de Investigaciones Científicas, Blanes 17300, Spain.
Steven A; CSIRO Ocean and Atmosphere Flagship, Ecosciences Precinct, Brisbane, QLD 4001, Australia.
Lovelock CE; The School of Biological Sciences, The University of Queensland, St Lucia QLD 4072.
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Źródło:
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Scientific reports [Sci Rep] 2017 Mar 10; Vol. 7, pp. 44071. Date of Electronic Publication: 2017 Mar 10.
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Typ publikacji:
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Journal Article; Research Support, Non-U.S. Gov't
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Język:
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English
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Imprint Name(s):
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Original Publication: London : Nature Publishing Group, copyright 2011-
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References:
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Entry Date(s):
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Date Created: 20170311 Date Completed: 20180823 Latest Revision: 20181113
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Update Code:
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20240104
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PubMed Central ID:
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PMC5345033
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DOI:
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10.1038/srep44071
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PMID:
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28281574
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Australia's tidal marshes have suffered significant losses but their recently recognised importance in CO 2 sequestration is creating opportunities for their protection and restoration. We compiled all available data on soil organic carbon (OC) storage in Australia's tidal marshes (323 cores). OC stocks in the surface 1 m averaged 165.41 (SE 6.96) Mg OC ha -1 (range 14-963 Mg OC ha -1 ). The mean OC accumulation rate was 0.55 ± 0.02 Mg OC ha -1 yr -1 . Geomorphology was the most important predictor of OC stocks, with fluvial sites having twice the stock of OC as seaward sites. Australia's 1.4 million hectares of tidal marshes contain an estimated 212 million tonnes of OC in the surface 1 m, with a potential CO 2 -equivalent value of $USD7.19 billion. Annual sequestration is 0.75 Tg OC yr -1 , with a CO 2 -equivalent value of $USD28.02 million per annum. This study provides the most comprehensive estimates of tidal marsh blue carbon in Australia, and illustrates their importance in climate change mitigation and adaptation, acting as CO 2 sinks and buffering the impacts of rising sea level. We outline potential further development of carbon offset schemes to restore the sequestration capacity and other ecosystem services provided by Australia tidal marshes.
