{"refrec":{"BRefID":75153,"RR":"<b>Alongi, D.M.; Clough, B.F.; Robertson, A.I.</b> (2005). Nutrient-use efficiency in arid-zone forests of the mangroves <i>Rhizophora stylosa</i> and <i>Avicennia marina</i>. <i>Aquat. Bot. 82(2)</i>: 121-131. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2005.04.005\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2005.04.005</a>","BEntID":70836,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquat. Bot. 82(2)</i>: 121-131. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2005.04.005\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2005.04.005</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Alongi, D.M.; Clough, B.F.; Robertson, A.I.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Alongi, D.M.; Clough, B.F.; Robertson, A.I.","Englishabstract":"Nutrient-use efficiency (NUE) within forests of the mangroves <i>Rhizophora stylosa</i> and <i>Avicennia marina</i> was estimated in arid Western Australia using litter fall rates and rates of leaf CO<sub>2</sub> exchange. Litter fall rates ranged from 9.8 to 34.4 t DW ha<sup>−1</sup> y<sup>−1</sup> but equated to only 13–41% (mean = 30%) of net canopy primary production. Foliar N:P ratios were in most instances ≥16, suggesting P limitation. NUE for N based on litter fall rates were significantly less (NUE<sub>L</sub> = 167–322 g DW g<sup>−1</sup> N) than those based on photosynthesis measurements (NUE<sub>P</sub> = 234–448 g DW g<sup>−1</sup> N), suggesting that NUE estimates for nitrogen based on litter fall data are underestimates. NUE<sub>P</sub> estimates for N were significantly greater for <i>R. stylosa</i> than for <i>A. marina</i>. NUE for P were not significantly different, with NUE<sub>L</sub> ranging from 2905 to 5053 g DW g<sup>−1</sup> P and NUE<sub>P</sub> ranging from 1632 to 4992 g DW g<sup>−1</sup> P. Both sets of NUE are at the higher end of the range of estimates calculated for most other forests and equivalent to those for wet tropical mangroves. These arid-zone trees live in low-nutrient habitats, but it appears that selection on components of NUE (i.e. traits that reduce nutrient loss) rather than on NUE itself equates to a lack of clear patterns in NUE between different environments, emphasizing the flexible nature of nutrient allocation in woody plants. NUE in <i>R. stylosa</i> correlated inversely with mature leaf N and P content, implying that NUE in this species is maximized by the synthesis of low-nutrient leaves, i.e. a nutrient retention strategy, whereas such does not appear to be the case for <i>A. marina</i>. This strategy translates into a direct advantage in terms of net primary productivity for <i>R. stylosa</i>. This idea is supported by evidence of longer nutrient residence times for <i>R. stylosa</i> than for <i>A. marina</i>.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Nutrient-use efficiency in arid-zone forests of the mangroves <i>Rhizophora stylosa</i> and <i>Avicennia marina</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-05-18 01:31:55.229414","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2005,"MonPub":null,"DateUpdate":"2020-10-12","DateCreate":"2005-08-02","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000230323500006","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquabot.2005.04.005"},"refs":null,"anarec":{"AnaID":75153,"PubliDate":2005,"Pagination":"121-131","XtraPublOfAnaID":null,"ISBN":null,"Volume":"82","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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