{"refrec":{"BRefID":58500,"RR":"<b>Fritz, K.M.; Evans, M.A.; Feminella, J.W.</b> (2004). Factors affecting biomass allocation in the riverine macrophyte <i>Justicia americana</i>. <i>Aquat. Bot. 78(3)</i>: 279-288. <a href=\"http://dx.doi.org/10.1016/j.aquabot.2003.11.003\" target=\"_blank\">http://dx.doi.org/10.1016/j.aquabot.2003.11.003</a>","BEntID":56072,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Bot. 78(3)</i>: 279-288. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2003.11.003\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2003.11.003</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Fritz, K.M.; Evans, M.A.; Feminella, J.W.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Fritz, K.M. <i>et al.</i>","Englishabstract":"The relative effects of hydrologic disturbance, abundance of root parasites, and ambient physicochemical conditions on total biomass, biomass allocation, and architecture of the emergent macrophyte <i>Justicia americana</i> (L.) Vahl. (Acanthanceae) were investigated in six south-central Alabama streams, USA. <i>Justicia</i> total biomass was negatively related to shading by riparian vegetation, which accounted for 45 and 31% of the total variation at the beginning and end of the growing season, respectively. Contrary to our predictions, total <i>Justicia</i> biomass was unrelated to disturbance by flooding as indicated by the likelihood of streambed movement by bankfull discharge, nor was biomass allocation to below-ground structures positively related to likelihood of substrate movement. Stem density at the end of the growing season was negatively related to abundance of nematode-parasites, but total <i>Justicia</i> biomass was unrelated to parasite abundance. This macrophyte appears to persist in the dynamic environment of eastern North American streams by firm anchorage of below-ground structures and high capacity for regeneration following storm flows.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Factors affecting biomass allocation in the riverine macrophyte <i>Justicia americana</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Justicia americana; biomass allocation; parasitic nematodes; streambedinstability; flood","OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2018-05-17","DateCreate":"2004-03-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000220269500007","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":58500,"PubliDate":2004,"Pagination":"279-288","XtraPublOfAnaID":null,"ISBN":null,"Volume":"78","Issue":"3","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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