{"refrec":{"BRefID":324200,"RR":"<b>Marschal, C.; Garrabou, J.; Harmelin, J.-G.; Pichon, M.</b> (2004). A new method for measuring growth and age in the precious red coral <i>Corallium rubrum</i> (L.). <i>Coral Reefs 23(3)</i>: 423-432. <a href=\"https://dx.doi.org/10.1007/s00338-004-0398-6\" target=\"_blank\">https://dx.doi.org/10.1007/s00338-004-0398-6</a>","BEntID":317676,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Coral Reefs 23(3)</i>: 423-432. <a href=\"https://dx.doi.org/10.1007/s00338-004-0398-6\" target=\"_blank\">https://dx.doi.org/10.1007/s00338-004-0398-6</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Marschal, C.; Garrabou, J.; Harmelin, J.-G.; Pichon, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Marschal, C. <i>et al.</i>","Englishabstract":"A new technique for aging red coral<i> Corallium rubrum</i> (L.) colonies based on staining the organic matrix found in the axial calcareous skeleton is presented and validated. This method provided clear-cut images of growth rings of red coral. To demonstrate their annual periodicity, two approaches have been used: (i) applying this technique to adult colonies of known age (more than 20&nbsp;years old), and (ii) labeling colonies with calcein and allowing them to grow for 1&nbsp;year. Results provided evidence of the annual periodicity of growth rings. This new method assesses colony age with an underestimate of true age by 3–4&nbsp;years. The difference between estimated age and actual age could be attributed to the phase of initial growth during which rings are not formed. Colonies from different sites, depths, and habitats (<i>n</i>=33) were analyzed yielding preliminary data on longevity and mean growth rates in red coral. Colonies from shallow habitats (15–62&nbsp;m) examined here with basal diameter of about 7&nbsp;mm were at least 30–40&nbsp;years old. Mean growth rate of basal diameter was 0.35±0.15&nbsp;mm&nbsp;year<sup>−1</sup>. Comparison with previous aging methods used for red coral resulted in considerable differences in estimations of age (about 10&nbsp;years greater in this study) and growth rates (about four times lower). The application of this method to red coral will provide key data as a basis for developing management and conservation plans for this valuable species.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"A new method for measuring growth and age in the precious red coral <i>Corallium rubrum</i> (L.)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:01.897972","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"NW Mediterranean; red coral; Corallium rubrum; growth rings; longevity; growth rates; sclerochronology; octocoral","OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2020-05-25","DateCreate":"2020-05-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000224249800015","VABBcode":null,"OpenAcc":0,"DOI":"10.1007/s00338-004-0398-6"},"refs":null,"anarec":{"AnaID":324200,"PubliDate":2004,"Pagination":"423-432","XtraPublOfAnaID":null,"ISBN":null,"Volume":"23","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45580,"SerRR":"Coral Reefs. 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