{"refrec":{"BRefID":331758,"RR":"<b>Jerónimo, D.; Lillebø, A.I.; Santos, A.; Cremades, J.; Calado, R.</b> (2020). Performance of polychaete assisted sand filters under contrasting nutrient loads in an integrated multi-trophic aquaculture (IMTA) system. <i>NPG Scientific Reports 10(1)</i>: 20871. <a href=\"https://dx.doi.org/10.1038/s41598-020-77764-x\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-020-77764-x</a>","BEntID":325370,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>NPG Scientific Reports 10(1)</i>: 20871. <a href=\"https://dx.doi.org/10.1038/s41598-020-77764-x\" target=\"_blank\">https://dx.doi.org/10.1038/s41598-020-77764-x</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Jerónimo, D.; Lillebø, A.I.; Santos, A.; Cremades, J.; Calado, R.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Jerónimo, D. <i>et al.</i>","Englishabstract":"Polychaete assisted sand filters (PASFs) allow to combine a highly efficient retention of particulate organic matter (POM) present in aquaculture effluent water and turn otherwise wasted nutrients into valuable worm biomass, following an integrated multi-trophic aquaculture (IMTA) approach. This study evaluated the bioremediation and biomass production performances of three sets of PASFs stocked with ragworms (<i>Hediste diversicolor</i>) placed in three different locations of an open marine land-based IMTA system. The higher organic matter (OM) recorded in the substrate of the systems which received higher POM content (Raw and Df PASFs – filtered raw and screened by drum filter effluent, respectively) likely prompted a superior reproductive success of stocked polychaetes (final densities 2–7 times higher than initial stock; ≈1000–3000 ind. m<sup>−2</sup>). Bioremediation efficiencies of ≈70% of supplied POM (≈1.5–1.8&nbsp;mg L<sup>−1</sup>) were reported in these systems. The PASFs with lower content of OM in the substrate (Df + Alg PASFs – filtered effluent previously screened by drum filter and macroalgae biofilter) differed significantly from the other two, with stocked polychaetes displaying a poorer reproductive success. The PASFs were naturally colonized with marine invertebrates, with the polychaetes <i>Diopatra neapolitana</i>, <i>Terebella lapidaria</i> and <i>Sabella</i> cf. <i>pavonina</i> being some of the species identified with potential for IMTA.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Performance of polychaete assisted sand filters under contrasting nutrient loads in an integrated multi-trophic aquaculture (IMTA) system","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-13 01:31:45.918278","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2020,"MonPub":null,"DateUpdate":"2020-12-07","DateCreate":"2020-12-07","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000608393300001","VABBcode":null,"OpenAcc":1,"DOI":"10.1038/s41598-020-77764-x"},"refs":null,"anarec":{"AnaID":331758,"PubliDate":2020,"Pagination":"20871","XtraPublOfAnaID":null,"ISBN":null,"Volume":"10","Issue":"1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":208093,"SerRR":"Scientific Reports (Nature Publishing Group). 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