{"refrec":{"BRefID":16833,"RR":"<b>Estrada, M.</b> (1985). Primary production at the deep chlorophyll maximum in the Western Mediterranean, <b><i>in</i></b>: Gibbs, P.E. (Ed.) <i>Proceedings of the Nineteenth European Marine Biology Symposium, Plymouth, Devon, UK, 16-21 September 1984.</i> pp. 109-121","BEntID":16833,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":", <b><i>in</i></b>: Gibbs, P.E. (Ed.) <i>Proceedings of the Nineteenth European Marine Biology Symposium, Plymouth, Devon, UK, 16-21 September 1984. European Marine Biology Symposia,</i> 19: pp. 109-121","DocTypID":17,"DocType":"Book chapters","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Estrada, M.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Estrada, M.","Englishabstract":"During July 1982 and July 1983, a series of stations located along a transect from Barcelona to beyond the channel between Mallorca and Menorca were sampled several times. The chlorophyll a distribution showed a pronounced maximum (with concentrations sometimes greater than 2 mg/m³) at depths ranging from 40 to 90 m. Primary production of the water column was estimated in some of the transects with the <sup>14</sup>C method, using simulated <i>in situ</i> incubators. The amount of carbon fixed per unit volume per hour showed generally a peak at the level of the deep chlorophyll maximum, but primary production there appeared to be light-limited and productivity indices were low when compared with those of the surface layers. Total carbon fixation for the water column ranged from 100 to 300 mg C/m²/day. The phytoplankton ofthe chlorophyll maximum contributed up to 30% of the total productivity of the water column. Some hypotheses on the origin and maintenance of the deep chlorophyll maximum are discussed.","AbstractOtherLang":null,"BibLvlCode":"AMS","StandardTitle":"Primary production at the deep chlorophyll maximum in the Western Mediterranean","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-08 01:30:39.268130","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":1985,"MonPub":null,"DateUpdate":"2023-10-11","DateCreate":"2001-08-29","SecASFANote":null,"ConfID":null,"PeerRev":0,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":16833,"PubliDate":1985,"Pagination":"109-121","XtraPublOfAnaID":null,"ISBN":"0-521-30294-3","Volume":"19","Issue":null,"BRefMon":16823,"BRefMonRR":"<b>Gibbs, P.E. (Ed.)</b> (1985). 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