Historical record of Corallium rubrum and its changing carbon sequestration capacity : a meta-analysis from the North Western Mediterranean
Mallo, Miguel. (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Ziveri, Patrizia (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Reyes-García, Victoria (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)
Rossi, Sergio (Universitat Autònoma de Barcelona. Institut de Ciència i Tecnologia Ambientals)

Data:	2019
Resum:	Background There is a scarcity of long time-span and geographically wide research on the health status of Corallium rubrum, including limited research on its historical ecology and carbon sequestration capacity. Objectives To reconstruct the temporal trends of the most reported C. rubrum population parameters in the Northwestern Mediterranean Sea and to determine the changes in total carbon sequestration by this species. Data sources Quantitative and qualitative, academic and grey documents were collected from scientific web browsers, scientific libraries, and requests to scientists. Study eligibility criteria Documents with original information of basal diameter, height and/or weight per colony, with a depth limit of 60 m in the Catalan and Ligurian Seas were analyzed. Synthesis methods We calculated yearly average values of C. rubrum biometric parameters, as well as estimated total weight, carbon flux, and carbon fixation in the structures of C. rubrum's colonies. Results In both study areas, the values of the selected morphometric parameters for C. rubrum decreased until the 1990s, then increased from the 2000s, with average values surpassing the levels of the 1960s (Ligurian Sea) or reaching levels slightly lower than those of the 1980s (Catalan Sea). The difference in carbon sequestered between the oldest (1960s: Ligurian Sea; 1970s: Catalan Sea) and the lowest (1990s) biomass value of colonies is nearly double. Limitations Quantitative data previous to the 1990s are very limited. Information on recent recovery trends in C. rubrum parameters is concentrated in a few areas and biased towards colonies in marine protected areas, with scarce quantitative information from colonies in other areas. Conclusions The halt in the C. rubrum decreasing trend coincided with the exhaustion of tree-like colonies and the first recovery response due to effective protection measures in some areas. Nevertheless, C. rubrum climate change mitigation capacity through carbon sequestration can be drastically reduced from its potential in only a few decades.
Ajuts:	Ministerio de Economía y Competitividad MDM-2015-0552 Agència de Gestió d'Ajuts Universitaris i de Recerca 2017/SGR-1588
Nota:	Unidad de excelencia María de Maeztu MdM-2015-0552
Drets:	Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, fins i tot amb finalitats comercials, sempre i quan es reconegui l'autoria de l'obra original.
Llengua:	Anglès
Document:	Article ; recerca ; Versió publicada
Matèria:	Animals ; Anthozoa ; Carbon Sequestration ; Conservation of Natural Resources ; Ecosystem ; History, 20th Century ; History, 21st Century ; Mediterranean Sea
Publicat a:	PloS one, Vol. 14, issue 12 (2019) , art. e0223802, ISSN 1932-6203

DOI: 10.1371/journal.pone.0223802
PMID: 31851690

20 p, 1.5 MB

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