{"refrec":{"BRefID":100427,"RR":"<b>Orlova, M.I.; Telesh, I.V.; Berezina, N.A.; Antsulevich, A.E.; Maximov, A.A.; Litvinchuk, L.F.</b> (2006). Effects of nonindigenous species on diversity and community functioning in the eastern Gulf of Finland (Baltic Sea). <i>Helgol. Mar. Res. 60(2)</i>: 98-105","BEntID":95655,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":null,"RefStringPartII":". <i>Helgol. Mar. Res. 60(2)</i>: 98-105","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Orlova, M.I.; Telesh, I.V.; Berezina, N.A.; Antsulevich, A.E.; Maximov, A.A.; Litvinchuk, L.F.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Orlova, M.I. <i>et al.</i>","Englishabstract":"An increase of xenodiversity in plankton and benthos in the eastern Gulf of Finland was observed from 1998 to 2004. Nonindigenous species account for 4.8% of all species found and up to 96% of total biomass. Invasive benthic omnivores, the alien amphipods <i>Gmelinoides fasciatus</i> and <i>Pontogammarus robustoides</i> and the predaceous fish <i>Perccottus glenii</i> with their versatile diets strongly affect the community structure. Invasive sessile seston-feeders that directly (through grazing and water clearance) and indirectly (through recycling of nutrients) interact with other ecosystem components, are mainly represented by the zebra mussel <i>Dreissena polymorpha</i>, which affect the structure of benthic and planktonic communities as well as benthicpelagic coupling. The invasive predatory cladocerans <i>Cercopagis pengoi</i> and <i>Evadne anonyx</i> and larvae of <i>D. polymorpha</i> are only temporary components in the zooplankton, which is limiting their overall effect. Alien benthic bioturbators, the polychaetes <i>Marenzelleria neglecta</i> and the oligochaete <i>Tubificoides pseudogaster</i> account for a high proportion of total abundance and biomass but their effects on native species need further research.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effects of nonindigenous species on diversity and community functioning in the eastern Gulf of Finland (Baltic Sea)","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-07-02 08:33:14.980000","timezone_type":1,"timezone":"+00:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2006,"MonPub":null,"DateUpdate":"2006-07-05","DateCreate":"2006-07-05","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000236967600005","VABBcode":null,"OpenAcc":0},"refs":null,"anarec":{"AnaID":100427,"PubliDate":2006,"Pagination":"98-105","XtraPublOfAnaID":null,"ISBN":null,"Volume":"60","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45639,"SerRR":"Helgoland Marine Research. 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