{"?xml":{"@version":"1.0"},"edm:RDF":{"@xmlns:dc":"http://purl.org/dc/elements/1.1/","@xmlns:edm":"http://www.europeana.eu/schemas/edm/","@xmlns:wgs84_pos":"http://www.w3.org/2003/01/geo/wgs84_pos","@xmlns:foaf":"http://xmlns.com/foaf/0.1/","@xmlns:rdaGr2":"http://rdvocab.info/ElementsGr2","@xmlns:oai":"http://www.openarchives.org/OAI/2.0/","@xmlns:owl":"http://www.w3.org/2002/07/owl#","@xmlns:rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","@xmlns:ore":"http://www.openarchives.org/ore/terms/","@xmlns:skos":"http://www.w3.org/2004/02/skos/core#","@xmlns:dcterms":"http://purl.org/dc/terms/","edm:WebResource":[{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:doc-2R1X0ZBS/88607873-dc93-4e43-bb7e-49d39aa95b25/PDF","dcterms:extent":"650 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:doc-2R1X0ZBS/9e5fc0d9-9af7-407c-9094-45bf2abe6082/TEXT","dcterms:extent":"0 KB"}],"edm:TimeSpan":{"@rdf:about":"1999-2025","edm:begin":{"@xml:lang":"en","#text":"1999"},"edm:end":{"@xml:lang":"en","#text":"2025"}},"edm:ProvidedCHO":{"@rdf:about":"URN:NBN:SI:doc-2R1X0ZBS","dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/URN:NBN:SI:spr-WP8SPN4L"},{"@xml:lang":"sl","#text":"Acta hydrotechnica"}],"dcterms:issued":"2021","dc:creator":["Klemenčič, Pija","Krivograd-Klemenčič, Aleksandra"],"dc:format":[{"@xml:lang":"sl","#text":"letnik:34"},{"@xml:lang":"sl","#text":"številka:60"},{"@xml:lang":"sl","#text":"str. 1-9"}],"dc:identifier":["DOI:10.15292/acta.hydro.2021.01","ISSN:1581-0267","COBISSID_HOST:65604611","URN:URN:NBN:SI:doc-2R1X0ZBS"],"dc:language":"en","dc:publisher":{"@xml:lang":"sl","#text":"Fakulteta za gradbeništvo in geodezijo"},"dc:subject":[{"@xml:lang":"en","#text":"algal control"},{"@xml:lang":"en","#text":"Daphnia magna"},{"@xml:lang":"sl","#text":"netarčni organizmi"},{"@xml:lang":"en","#text":"non-target organisms"},{"@xml:lang":"en","#text":"ultrasound"},{"@xml:lang":"sl","#text":"ultrazvok"},{"@xml:lang":"sl","#text":"zaviranje rasti alg"},{"@xml:lang":"sl","#text":"zooplankton"}],"dcterms:temporal":{"@rdf:resource":"1999-2025"},"dc:title":{"@xml:lang":"sl","#text":"The effect of ultrasound for algae growth control on zooplankton| Vpliv ultrazvoka za zaviranje rasti alg na zooplankton|"},"dc:description":[{"@xml:lang":"sl","#text":"The use of ultrasound (US) to control algal growth in natural water bodies raises concern about the undesirable effects of US on non-target organisms. In this study a lab-scale experiment was performed to evaluate the effects of low-power US to counteract algal growth on adult and juvenile Daphnia magna. The 48-hour experiment was conducted in a 200 L glass aquarium with three fish nets, each filled with five D. magna. Each net was inspected for immobilized D. magna on different times during ultrasonication; additionally, basic physical-chemical parameters were measured. The results showed that tested low-power US device had no acute effect on the mobility of adult or juvenile D. magna, since after 48 h of ultrasonication 87% and 82% of adult and juvenile organisms remained mobile, with the same or higher percentage of mobile D. magna in the control groups. Additionally, no statistically significant effects were noticed on the measured physicochemical parameters. However, when applied for algae control in field conditions, US is in operation constantly or at least for a long period of time (several weeks or months); therefore, the effect of long-term exposure to ultrasonication on zooplankton should be tested to ensure that US devices are safe for zooplankton"},{"@xml:lang":"sl","#text":"Glede uporabe ultrazvoka (UZ) za zaviranje rasti alg v naravnih vodnih telesih se porajajo pomisleki zaradi možnih neželenih vplivov na netarčne organizme. Namen laboratorijskega eksperimenta, izvedenega v tej raziskavi, je bil ovrednotiti vpliv nizkoenergijskega UZ, ki se uporablja za zaviranje rasti alg, na odrasle in juvenilne osebke Daphnia magna. Eksperiment je trajal 48 h in je bil izveden v 200-litrskem steklenem akvariju s tremi akvarijskimi mrežicami, pri čemer je bilo v vsaki pet osebkov D. magna. V vsaki mrežici smo spremljali mobilnost D. magna v različnih časovnih intervalih in pri tem merili tudi osnovne fizikalno-kemijske parametre. Rezultati so pokazali, da testirani nizkoenergijski UZ ni imel akutnega vpliva na mobilnost odraslih in juvenilnih osebkov D. magna. Po 48 h je bilo mobilnih 87 % odraslih in 82 % juvenilnih osebkov z enakim ali večjim odstotkom mobilnih osebkov v kontrolah. Poleg tega nismo zaznali statistično pomembnih učinkov na izmerjene fizikalno-kemijske parametre med različnimi časi obdelave z UZ. Ko se ultrazvočne naprave uporabljajo za zaviranje rasti alg v naravnih pogojih, so te priključene nenehno ali vsaj dlje časa (nekaj tednov, mesecev), zato bi bilo treba raziskati tudi učinke dolgotrajne izpostavljenosti UZ na zooplankton. Le tako bi lahko trdili, da je uporaba UZ za zooplankton varna"}],"edm:type":"TEXT","dc:type":[{"@xml:lang":"sl","#text":"znanstveno časopisje"},{"@xml:lang":"en","#text":"journals"},{"@rdf:resource":"http://www.wikidata.org/entity/Q361785"}]},"ore:Aggregation":{"@rdf:about":"http://www.dlib.si/?URN=URN:NBN:SI:doc-2R1X0ZBS","edm:aggregatedCHO":{"@rdf:resource":"URN:NBN:SI:doc-2R1X0ZBS"},"edm:isShownBy":{"@rdf:resource":"http://www.dlib.si/stream/URN:NBN:SI:doc-2R1X0ZBS/88607873-dc93-4e43-bb7e-49d39aa95b25/PDF"},"edm:rights":{"@rdf:resource":"http://creativecommons.org/licenses/by-nc-sa/4.0/"},"edm:provider":"Slovenian National E-content Aggregator","edm:intermediateProvider":{"@xml:lang":"en","#text":"National and University Library of Slovenia"},"edm:dataProvider":{"@xml:lang":"sl","#text":"Univerza v Ljubljani, Fakulteta za gradbeništvo in geodezijo"},"edm:object":{"@rdf:resource":"http://www.dlib.si/streamdb/URN:NBN:SI:doc-2R1X0ZBS/maxi/edm"},"edm:isShownAt":{"@rdf:resource":"http://www.dlib.si/details/URN:NBN:SI:doc-2R1X0ZBS"}}}}