{"refrec":{"BRefID":143594,"RR":"<b>Pedersen, M.F.; Borum, J.; Fotel, F.L.</b> (2010). Phosphorus dynamics and limitation of fast- and slow-growing temperate seaweeds in Oslofjord, Norway. <i>Mar. Ecol. Prog. Ser. 399</i>: 173-186. <a href=\"http://dx.doi.org/10.3354/meps08350\" target=\"_blank\">http://dx.doi.org/10.3354/meps08350</a>","BEntID":136776,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Mar. Ecol. Prog. Ser. 399</i>: 173-186. <a href=\"https://dx.doi.org/10.3354/meps08350\" target=\"_blank\">https://dx.doi.org/10.3354/meps08350</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Pedersen, M.F.; Borum, J.; Fotel, F.L.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Pedersen, M.F. <i>et al.</i>","Englishabstract":"During coastal eutrophication, fast-growing, ephemeral macroalgae bloom at the expense of slow-growing, perennial macroalgae. This change in community composition has been explained by a differential ability to exploit and utilize inorganic nitrogen among macroalgae with different growth strategies. However, some coastal areas are becoming phosphorus-rather than nitrogen-limited; we therefore compared phosphorus dynamics among 6 temperate species of macroalgae with different growth rates in order to test whether differences in algal P-dynamics may explain macroalgal community changes. Thin, fast-growing algae (Ulva and Ceramium) took up dissolved inorganic P (DIP) much faster than thicker, slower growing species (belonging to Fucus, Ascophyllum and Laminaria) but also had much higher P-demands per unit biomass and time. DIP concentrations in the Oslofjord were low from April through August, and fast-growing species were unable to meet their P-demand from uptake for several months during summer. Hence, Ceramium and Ulva were potentially P-limited during summer, whereas Ascophyllum and Laminaria were able to acquire sufficient external DIP to remain P-replete throughout the year, Storage of P prevented Fucus species from suffering severe P-limitation for several weeks in summer. The absolute amount of P stored within the algae per unit biomass did not differ systematically among the 6 species, but the storage capacity (i.e. the period of time for which stored P could support growth) was much larger for slower growing species since this parameter depended heavily on realized growth rate. Our results show how differences in macroalgal P-dynamics may explain the changing balance among macroalgae with different growth strategies in P-deficient coastal areas.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Phosphorus dynamics and limitation of fast- and slow-growing temperate seaweeds in Oslofjord, Norway","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Macroalgae; Seaweeds; Nutrient dynamics; Phosphorus; Eutrophication","OtherDescriptors":null,"Notes":null,"AnaPub":2010,"MonPub":null,"DateUpdate":"2018-02-13","DateCreate":"2010-02-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000274774400009","VABBcode":null,"OpenAcc":1,"DOI":"10.3354/meps08350"},"refs":null,"anarec":{"AnaID":143594,"PubliDate":2010,"Pagination":"173-186","XtraPublOfAnaID":null,"ISBN":null,"Volume":"399","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43354,"SerRR":"Marine Ecology Progress Series. Inter-Research: Oldendorf/Luhe.  ISSN 0171-8630; e-ISSN 1616-1599","StandardTitleSer":"Marine Ecology Progress Series","ISSN":"0171-8630","AbbrevSer":"Mar. Ecol. Prog. 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