{"refrec":{"BRefID":354279,"RR":"<b>Matthews, T.R.; Schroeder, W.W.; Stearns, D.E.</b> (1991). Endogenous rhythm, light and salinity effects on postlarval brown shrimp <i>Penaeus aztecus</i> Ives recruitment to estuaries. <i>J. Exp. Mar. Biol. Ecol. 154(2)</i>: 177-189. <a href=\"https://dx.doi.org/10.1016/0022-0981(91)90163-q\" target=\"_blank\">https://dx.doi.org/10.1016/0022-0981(91)90163-q</a>","BEntID":351992,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>J. Exp. Mar. Biol. Ecol. 154(2)</i>: 177-189. <a href=\"https://dx.doi.org/10.1016/0022-0981(91)90163-q\" target=\"_blank\">https://dx.doi.org/10.1016/0022-0981(91)90163-q</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Matthews, T.R.; Schroeder, W.W.; Stearns, D.E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Matthews, T.R.; Schroeder, W.W.; Stearns, D.E.","Englishabstract":"The interaction between endogenous rhythms, light and salinity changes on postlarval brown shrimp Penaeus aztecus Ives activity levels was examined under laboratory conditions. Understanding how these factors interact will help us better understand estuarine recruitment and retention. Postlarvae have strong circadian and occasional circatidal activity rhythms. The postlarvae respond to salinity increases and light level decreases by increasing swimming activity. The postlarvae decrease swimming activity in response to decreases in salinity and increases in light. These changes in activity occur only during dark/nocturnal conditions. Temporally selective activity in the presence of different environmental signals attests to the plasticity of a postlarva's response to environmental signals and provides a mechanism for estuarine immigration. The presence of a response hierarchy to environmental signals may also help account for the ability of postlarval penaeids to immigrate into estuaries with different hydroperiods and salinity regimes.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Endogenous rhythm, light and salinity effects on postlarval brown shrimp <i>Penaeus aztecus</i> Ives recruitment to estuaries","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-13 01:31:56.169132","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Endogenous rhythm; Estuarine recruitment; Postlarva Tidal; behavior","OtherDescriptors":null,"Notes":null,"AnaPub":1991,"MonPub":null,"DateUpdate":"2022-07-28","DateCreate":"2022-07-28","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:A1991GY65100003","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/0022-0981(91)90163-q"},"refs":null,"anarec":{"AnaID":354279,"PubliDate":1991,"Pagination":"177-189","XtraPublOfAnaID":null,"ISBN":null,"Volume":"154","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":43229,"SerRR":"Journal of Experimental Marine Biology and Ecology. 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