{"refrec":{"BRefID":31838,"RR":"<b>Armstrong, N.; Planas, D.; Prepas, E.</b> (2003). Potential for estimating macrophyte surface area from biomass. <i>Aquat. Bot. 75(2)</i>: 173-179. <a href=\"http://dx.doi.org/10.1016/s0304-3770(02)00169-9\" target=\"_blank\">http://dx.doi.org/10.1016/s0304-3770(02)00169-9</a>","BEntID":31838,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Bot. 75(2)</i>: 173-179. <a href=\"https://dx.doi.org/10.1016/s0304-3770(02)00169-9\" target=\"_blank\">https://dx.doi.org/10.1016/s0304-3770(02)00169-9</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":1,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Armstrong, N.; Planas, D.; Prepas, E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Armstrong, N. <i>et al.</i>","Englishabstract":"Relationships between macrophyte surface area and biomass were studied in four lakes on Canada's Boreal Plain, representing a gradient of nutrient concentration and light penetration (mean summer total phosphorus 13-60 µg l<sup>-1</sup> ; ammonium 4-35 µg l<sup>-1</sup>; vertical light extinction coefficient 0.7-1.6 m<sup>-1</sup>). We used colorimetry and dry weight to establish relationships between surface area and biomass for six species (<i>Ceratophyllum demersum, Potamogeton richardsonii, P. zosterformis, P. pusillus, Utricularia vulgaris</i> and <i>Myriophyllum exalbescens</i>). Except for <i>P. pusillus</i>, a positive relationship existed between surface area and biomass. The relationship was species-specific; general groupings could not be made based on leaf morphology. For three of the four species found in more than one lake, relationships did not differ across lakes. Only <i>C. demersum</i>, which may be sensitive to fluctuating water levels, exhibited a lake-specific relationship between surface area and biomass.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Potential for estimating macrophyte surface area from biomass","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:58:19.190595","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"macrophyte; surface area; biomass; leaf morphology; boreal plain","OtherDescriptors":null,"Notes":null,"AnaPub":2003,"MonPub":null,"DateUpdate":"2018-05-17","DateCreate":"2003-01-31","SecASFANote":"Macrophyte surface area estimates from biomass (Canada, Boreal Plain)","ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000180656300007","VABBcode":null,"OpenAcc":1,"DOI":"10.1016/s0304-3770(02)00169-9"},"refs":null,"anarec":{"AnaID":31838,"PubliDate":2003,"Pagination":"173-179","XtraPublOfAnaID":null,"ISBN":null,"Volume":"75","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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