{"title":"Ambivalence of Planktonic Invaders and Transformation of Communities","authors":"","doi":"10.1134/s1995082924010164","DOIUrl":null,"url":null,"abstract":"<span> <h3>Abstract</h3> <p>The ambivalence of planktonic invaders has been studied using the example of ecosystem effects of the invasive cladoceran <em>Cercopagis pengoi</em> (Ostroumov, 1891) in the Vistula Lagoon of the Baltic Sea. The influence of the invader on the taxonomic structure and productivity of plankton is studied. It is discovered that, in the long term, the predation pressure of <em>C. pengoi</em> on zooplankton has decreased; the abundance, biomass, and production of the dominant species of Rotifera, Cladocera, and Copepoda also declined. The ne-gative impact of <em>C. pengoi</em> on the planktonic community is reflected in a reduction in the food supply of juvenile Baltic herring and other planktivorous fish. The wide ecological niche of <em>Cercopagis</em> contributes to the expansion of its range, which can lead to a reduction in populations of phytophagous crustaceans, increased harmful algae blooms, and the further deterioration of the food supply of fish.</p> </span>","PeriodicalId":50359,"journal":{"name":"Inland Water Biology","volume":"23 1","pages":""},"PeriodicalIF":0.7000,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Inland Water Biology","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1134/s1995082924010164","RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"MARINE & FRESHWATER BIOLOGY","Score":null,"Total":0}
引用次数: 0
Abstract
The ambivalence of planktonic invaders has been studied using the example of ecosystem effects of the invasive cladoceran Cercopagis pengoi (Ostroumov, 1891) in the Vistula Lagoon of the Baltic Sea. The influence of the invader on the taxonomic structure and productivity of plankton is studied. It is discovered that, in the long term, the predation pressure of C. pengoi on zooplankton has decreased; the abundance, biomass, and production of the dominant species of Rotifera, Cladocera, and Copepoda also declined. The ne-gative impact of C. pengoi on the planktonic community is reflected in a reduction in the food supply of juvenile Baltic herring and other planktivorous fish. The wide ecological niche of Cercopagis contributes to the expansion of its range, which can lead to a reduction in populations of phytophagous crustaceans, increased harmful algae blooms, and the further deterioration of the food supply of fish.
期刊介绍：
Inland Water Biology publishes thematic reviews and original papers devoted to flora and fauna in waterbodies, biodiversity of hydrobionts, biology, morphology, systematics, ecology, ethology, ecological physiology and biochemistry of aquatic organisms, patterns of biological cycle, structure and functioning of aquatic ecosystems, anthropogenic and uncontrolled natural impacts on aquatic organisms and ecosystems, invasion of nonindigenous species into ecosystems and their ecology, methods of hydrobiological and ichthyological studies.
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