{"refrec":{"BRefID":10230,"RR":"<b>Åbjörnsson, K.; Dahl, J.; Nyström, P.; Brönmark, C.</b> (2000). Influence of predator and dietary chemical cues on the behaviour and shredding efficiency of <i>Gammarus pulex</i>. <i>Aquat. Ecol. 34(4)</i>: 379-387","BEntID":10230,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Aquat. Ecol. 34(4)</i>: 379-387","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Åbjörnsson, K.; Dahl, J.; Nyström, P.; Brönmark, C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Åbjörnsson, K. <i>et al.</i>","Englishabstract":"In two laboratory experiments, we examined short- and long-term responses of the detritivorous amphipod <i>Gammarus pulex</i> to chemical cues from potential predators fed various diets. In the first experiment we studied the short-term effect on <i>G. pulex</i> (locomotory activity) when exposed to chemical cues from three co-existing predators; sculpin (<i>Cottus gobio</i>),trout (<i>Salmo trutta</i>), and signal crayfish (<i>Pacifastacus leniusculus</i>). Chemicals from sculpins and trout induced a short-term decrease in locomotory activity in <i>G. pulex</i>, whereas crayfish did not. There was no difference in activity between <i>G. pulex</i> exposed to water scented by trout or sculpin, and these responses were independent of predator diet (<i>G. pulex</i>, <i>Asellus aquaticus</i> and starved). In the second experiment we examined , whether longer-term exposure (4 week) to chemical cues from sculpins affects rates of leaf processing by <i>G. pulex</i>. During the first week, <i>G. pulex</i> consumed significantly more leaves in the control (i.e., no fish cue) than in the fish cue treatment. After 4 weeks, however, there was no difference in total leaf processing rate between treatments indicating an adaptation to the cue.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Influence of predator and dietary chemical cues on the behaviour and shredding efficiency of <i>Gammarus pulex</i>","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2024-12-10 01:33:17.368041","timezone_type":1,"timezone":"+01:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2000,"MonPub":null,"DateUpdate":"2001-11-14","DateCreate":"2001-05-30","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":10230,"PubliDate":2000,"Pagination":"379-387","XtraPublOfAnaID":null,"ISBN":null,"Volume":"34","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42197,"SerRR":"Aquatic Ecology. 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