{"refrec":{"BRefID":290881,"RR":"<b>Marina, T.I.; Salinas, V.; Cordone, G.; Campana, G.; Deregibus, D.; Torre, L.; Sahade, R.; Tatián, M.; Barrera Oro, E.; De Troch, M.; Doyle, S.; Quartino, M.L.; Saravia, L.A.; Momo, F.R.</b> (2018). The food web of Potter Cove (Antarctica): complexity, structure and function. <i>Est., Coast. and Shelf Sci. 200</i>: 141-151. <a href=\"https://dx.doi.org/10.1016/j.ecss.2017.10.015\" target=\"_blank\">https://dx.doi.org/10.1016/j.ecss.2017.10.015</a>","BEntID":282921,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Est., Coast. and Shelf Sci. 200</i>: 141-151. <a href=\"https://dx.doi.org/10.1016/j.ecss.2017.10.015\" target=\"_blank\">https://dx.doi.org/10.1016/j.ecss.2017.10.015</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Marina, T.I.; Salinas, V.; Cordone, G.; Campana, G.; Deregibus, D.; Torre, L.; Sahade, R.; Tatián, M.; Barrera Oro, E.; De Troch, M.; Doyle, S.; Quartino, M.L.; Saravia, L.A.; Momo, F.R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Marina, T.I. <i>et al.</i>","Englishabstract":"Knowledge of the food web structure and complexity are central to better understand ecosystem functioning. A food-web approach includes both species and energy flows among them, providing a natural framework for characterizing species’ ecological roles and the mechanisms through which biodiversity influences ecosystem dynamics. Here we present for the first time a high-resolution food web for a marine ecosystem at Potter Cove (northern Antarctic Peninsula). Eleven food web properties were analyzed in order to document network complexity, structure and topology. We found a low linkage density (3.4), connectance (0.04) and omnivory percentage (45), as well as a short path length (1.8) and a low clustering coefficient (0.08). Furthermore, relating the structure of the food web to its dynamics, an exponential degree distribution (in- and out-links) was found. This suggests that the Potter Cove food web may be vulnerable if the most connected species became locally extinct. For two of the three more connected functional groups, competition overlap graphs imply high trophic interaction between demersal fish and niche specialization according to feeding strategies in amphipods. On the other hand, the prey overlap graph shows also that multiple energy pathways of carbon flux exist across benthic and pelagic habitats in the Potter Cove ecosystem. Although alternative food sources might add robustness to the web, network properties (low linkage density, connectance and omnivory) suggest fragility and potential trophic cascade effects.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"The food web of Potter Cove (Antarctica): complexity, structure and function","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-17 01:32:16.476593","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Ecological networks; Structure; Degree distribution; Marine ecosystem  ","OtherDescriptors":null,"Notes":null,"AnaPub":2018,"MonPub":null,"DateUpdate":"2018-05-17","DateCreate":"2017-11-14","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000424308600013","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.ecss.2017.10.015"},"refs":null,"anarec":{"AnaID":290881,"PubliDate":2018,"Pagination":"141-151","XtraPublOfAnaID":null,"ISBN":null,"Volume":"200","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44109,"SerRR":"Estuarine, Coastal and Shelf Science. 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