{"refrec":{"BRefID":345251,"RR":"<b>Randall, J.; Hermand, J.-P.</b> (2013). Complimentary ultrasound methods for the estimation of sound speed in macroalgae. <i>Proceedings of Meetings on Acoustics 19</i>: 005025. <a href=\"https://dx.doi.org/10.1121/1.4799785\" target=\"_blank\">https://dx.doi.org/10.1121/1.4799785</a>","BEntID":341886,"PublicFlag":1,"CheckedFlag":0,"wosflag":0,"vabbflag":0,"RefStringPartII":". <i>Proceedings of Meetings on Acoustics 19</i>: 005025. <a href=\"https://dx.doi.org/10.1121/1.4799785\" target=\"_blank\">https://dx.doi.org/10.1121/1.4799785</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Randall, J.; Hermand, J.-P.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Randall, J.; Hermand, J.-P.","Englishabstract":"Temperate kelp forests are amongst the most productive ecosystems in the world. However, there is mounting evidence that these habitats are in decline, both in range and productivity. Acoustic propagation modelling has been used to identify primary productivity in seagrass beds, and work is ongoing in development as a method of providing large scale measurements of productivity in macroalgae forests. Acoustic predictive models require knowledge of the material properties of interest, yet little is known about the acoustic properties of seaweed species. As a preliminary step towards acoustic modelling of seaweed systems, this study investigates the acoustic properties of Ecklonia radiata, a key species in temperate Australian marine systems. Measuring sound speed in macroalgae, as with other biological material, provides unique challenges due to their intrinsic morphological and anatomical characteristics. Using a range of frequencies between 2-10 MHz different methods are proposed to measure sound speed both directly and indirectly. The measurements show a consistent result, with variation according to tissue type. This research provides an important first step towards the development of acoustic propagation models in kelp forest ecosystems.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Complimentary ultrasound methods for the estimation of sound speed in macroalgae","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":2013,"MonPub":null,"DateUpdate":"2021-09-22","DateCreate":"2021-09-22","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":null,"VABBcode":null,"OpenAcc":1,"DOI":"10.1121/1.4799785"},"refs":null,"anarec":{"AnaID":345251,"PubliDate":2013,"Pagination":"005025","XtraPublOfAnaID":null,"ISBN":null,"Volume":"19","Issue":null,"BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":345250,"SerRR":"Proceedings of Meetings on Acoustics. 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