{"refrec":{"BRefID":367368,"RR":"<b>Yu, T.-S.; Ji, C.W.; Kwak, I.-S.</b> (2023). Hierarchical interaction between food diversity and competition in brackish fish species in South Korea. <i>Fishes 8(6)</i>: 313. <a href=\"https://dx.doi.org/10.3390/fishes8060313\" target=\"_blank\">https://dx.doi.org/10.3390/fishes8060313</a>","BEntID":365093,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Fishes 8(6)</i>: 313. <a href=\"https://dx.doi.org/10.3390/fishes8060313\" target=\"_blank\">https://dx.doi.org/10.3390/fishes8060313</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":1,"TerrestrialFlag":0,"Authorstring":"Yu, T.-S.; Ji, C.W.; Kwak, I.-S.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Yu, T.-S.; Ji, C.W.; Kwak, I.-S.","Englishabstract":"Information about the food sources for fish is important not only for predation and food competition, but also for the direct impact on organism interactions, relationships, and biodiversity within aquatic ecosystems. We analyzed the food sources of 21 fish species in 9 families of 6 orders based on the literature data from brackish ecosystems in South Korea to improve the understanding of the estuarine ecosystem. The food sources of the 21 fish species contained 173 families, 86 orders, 39 classes, and 22 phyla. The 21 fish species were classified into 4 groups using hierarchical analysis based on their food sources: Group 1 fishes mainly consumed Amphipoda; Group 2 fishes were zooplanktivores; Group 3 were omnivorous; and Group 4 consumed small food sources, such as Nematoda, Corophiidae, and Harpacticidae. The feeding competition index was relatively high within each group, but the competition index for Group 3, the omnivorous fishes, was low. Network analysis and hub scores represented the importance of food sources consumed by each fish species by showing the connections between the fish and their prey. Polychaeta, Actinopterygii, and Decapoda were the most commonly consumed food sources. Food source diversity was high for zooplanktivores (group 2). Additionally, the food contents of each fish species were classified into freshwater and marine sources for identifying the habitats of the food sources. Trophic level measuring values using the data were similar to the reported literature data. This study can be utilized for understanding estuarine ecosystems and identifying food relationships.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Hierarchical interaction between food diversity and competition in brackish fish species in South Korea","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":"brackish fish; food source; network analysis; meta-analysis; feeding ecology","OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2023-09-25","DateCreate":"2023-09-25","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:001015192200001","VABBcode":null,"OpenAcc":1,"DOI":"10.3390/fishes8060313"},"refs":null,"anarec":{"AnaID":367368,"PubliDate":2023,"Pagination":"313","XtraPublOfAnaID":null,"ISBN":null,"Volume":"8","Issue":"6","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":347497,"SerRR":"Fishes. 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