{"refrec":{"BRefID":64177,"RR":"<b>Boström, C.; Roos, C.; Rönnberg, O.</b> (2004). Shoot morphometry and production dynamics of eelgrass in the northern Baltic Sea. <i>Aquat. Bot. 79(2)</i>: 145-161. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2004.02.002\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2004.02.002</a>","BEntID":60670,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Aquat. Bot. 79(2)</i>: 145-161. <a href=\"https://dx.doi.org/10.1016/j.aquabot.2004.02.002\" target=\"_blank\">https://dx.doi.org/10.1016/j.aquabot.2004.02.002</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Boström, C.; Roos, C.; Rönnberg, O.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Boström, C.; Roos, C.; Rönnberg, O.","Englishabstract":"<i>Zostera marina</i> L. related parameters and environmental variables (hydrography and sediment porewater nutrients) were measured from May to October, 1998 at two sites in the northern Baltic Sea (61°N and 20°E). Density (70-400 shoots m−2), biomass and production were low. Biomass peaked in August (20 g dry weight (dw) m−2, range: 4-33 g dw m−2). Production displayed seasonal and vertical patterns, occasionally correlating with temperature, but differing between the sites. At site 1, production was similar at shallow and intermediate depths (average: 75 and 85 mg dw m−2 per day, respectively) and constantly higher at the lower (4.2 m) boundary (average: 130 mg dw m−2 per day). At site 2, the highest production (average: 370 mg dw m−2 per day) was recorded at the upper (1.4 m) distribution limit, while production at the lower boundary (3.9 m) was constantly lower (250-80 mg dw m−2 per day). In a global comparison, these values are the lowest recorded for <i>Z. marina</i>, most likely because of light limitation (deep stations only) and low nutrient concentrations in both the water column and in the sediment. The results suggest, that <i>Z. marina</i>, occurring only at exposed, organically poor, sandy sediments in the northern Baltic Sea, may temporarily overcome nutrient limitation by utilising elevated nutrient levels from land run-off, decaying algal masses and/or upwelling events. These mechanisms most likely explain the observed differences between the sites studied.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Shoot morphometry and production dynamics of eelgrass in the northern Baltic Sea","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-21 01:31:37.903423","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"leaf production; Zostera marina; upwelling; land run-off; distributionlimit","OtherDescriptors":"Leaf production; Zostera marina; Upwelling; Land run-off; Distribution limit","Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2020-10-02","DateCreate":"2004-07-08","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000222192100004","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.aquabot.2004.02.002"},"refs":null,"anarec":{"AnaID":64177,"PubliDate":2004,"Pagination":"145-161","XtraPublOfAnaID":null,"ISBN":null,"Volume":"79","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42195,"SerRR":"Aquatic Botany. 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