{"refrec":{"BRefID":69056,"RR":"<b>Viaroli, P.; Bartoli, M.; Giordani, G.; Magni, P.; Welsh, D.T.</b> (2004). Biogeochemical indicators as tools for assessing sediment quality/vulnerability in transitional aquatic ecosystems. <i>Aquat. Conserv. 14(S1)</i>: S19-S29","BEntID":65216,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Aquat. Conserv. 14(S1)</i>: S19-S29","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Viaroli, P.; Bartoli, M.; Giordani, G.; Magni, P.; Welsh, D.T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Viaroli, P. <i>et al.</i>","Englishabstract":"1. We review the major variables that can be used to monitor sediment characteristics and benthic processes in transitional water bodies with respect to ecological significance, cost/time demands, method consensus, and uncertainty of the current techniques. 2. Most of the state variables, namely organic matter, total nitrogen and phosphorus contents, are easily determined at low monetary/time cost using standardized techniques. However, they are not sufficiently informative to be used as individual-specific indicators. 3. The speciation analysis of nitrogen, phosphorus, iron and reduced sulphur provides much more precise information on the sedimentary buffering capacity. However, analytical techniques are cost/time expensive and often present some critical step, which biases their generalized application. 4. A good understanding of sedimentary processes can also be achieved by measuring benthic fluxes and process rates, but analytical techniques are too expensive to be applied in conventional monitoring programmes. 5. A tentative integrated index, based on a few low-cost simple measures of sediment characteristics (granulometry, organic matter, carbonates, reactive iron and acid volatile sulphides) is proposed, which, in parallel with the water retention time, could provide a rapid assessment of sediment vulnerability status.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Biogeochemical indicators as tools for assessing sediment quality/vulnerability in transitional aquatic ecosystems","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":null,"OtherDescriptors":null,"Notes":null,"AnaPub":2004,"MonPub":null,"DateUpdate":"2006-07-12","DateCreate":"2004-12-21","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000225589300003","VABBcode":null,"OpenAcc":1},"refs":null,"anarec":{"AnaID":69056,"PubliDate":2004,"Pagination":"S19-S29","XtraPublOfAnaID":null,"ISBN":null,"Volume":"14","Issue":"S1","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":42196,"SerRR":"Aquatic Conservation: Marine and Freshwater Ecosystems. 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