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Statements

Subject Item
n2:RIV%2F60461373%3A22320%2F11%3A43892492%21RIV12-MSM-22320___
rdf:type
n14:Vysledek skos:Concept
dcterms:description
The availability of standardised methodologies to assess the environmental risks of pesticides to non-target plants is currently limited. Aquatic plant test guidelines are only available for algae and Lemna. These studies may not be sufficient especially in the case when contamination via sediment is an important exposure pathway. The present study was initiated to investigate the effects of exposure via the sediment on a sediment-rooted aquatic plant, i.e. Myriophyllum spicatum. Plants of Myriophyllum spicatum were cultivated in linuron spiked sediment under similar conditions for 21 days. At days 7, 14 and 21 of the test, various morphological endpoints were measured and dose-response relationships, EC50 values and NOECs were estimated. During the test period, linuron concentrations in sediment, water and plants were monitored to quantify exposure in the aquatic plant test and concentrations in the compartments. The results from these experiments were used to quantify risks of a herbicide to sediment-rooted aquatic plants and may lead to recommendations for improvement of test designs and risk assessment methods. The availability of standardised methodologies to assess the environmental risks of pesticides to non-target plants is currently limited. Aquatic plant test guidelines are only available for algae and Lemna. These studies may not be sufficient especially in the case when contamination via sediment is an important exposure pathway. The present study was initiated to investigate the effects of exposure via the sediment on a sediment-rooted aquatic plant, i.e. Myriophyllum spicatum. Plants of Myriophyllum spicatum were cultivated in linuron spiked sediment under similar conditions for 21 days. At days 7, 14 and 21 of the test, various morphological endpoints were measured and dose-response relationships, EC50 values and NOECs were estimated. During the test period, linuron concentrations in sediment, water and plants were monitored to quantify exposure in the aquatic plant test and concentrations in the compartments. The results from these experiments were used to quantify risks of a herbicide to sediment-rooted aquatic plants and may lead to recommendations for improvement of test designs and risk assessment methods.
dcterms:title
Effects of linuron to aquatic plant in sediment-dosed test systems Effects of linuron to aquatic plant in sediment-dosed test systems
skos:prefLabel
Effects of linuron to aquatic plant in sediment-dosed test systems Effects of linuron to aquatic plant in sediment-dosed test systems
skos:notation
RIV/60461373:22320/11:43892492!RIV12-MSM-22320___
n14:predkladatel
n15:orjk%3A22320
n4:aktivita
n16:Z n16:S
n4:aktivity
S, Z(MSM6046137308)
n4:cisloPeriodika
1
n4:dodaniDat
n18:2012
n4:domaciTvurceVysledku
n7:7010885
n4:druhVysledku
n17:J
n4:duvernostUdaju
n12:S
n4:entitaPredkladatele
n5:predkladatel
n4:idSjednocenehoVysledku
196645
n4:idVysledku
RIV/60461373:22320/11:43892492
n4:jazykVysledku
n19:eng
n4:klicovaSlova
Herbicides, Aquatic macrophytes, Risk assessment, Sediment, Linuron
n4:klicoveSlovo
n13:Herbicides n13:Sediment n13:Aquatic%20macrophytes n13:Risk%20assessment n13:Linuron
n4:kodStatuVydavatele
SK - Slovenská republika
n4:kontrolniKodProRIV
[ECD24BCAF1BD]
n4:nazevZdroje
Acta Environmentalica Universitatis Comenianae (Bratislava)
n4:obor
n11:DO
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
4
n4:rokUplatneniVysledku
n18:2011
n4:svazekPeriodika
1
n4:tvurceVysledku
Crum, S.J.H. Arts, G.H.P. Belgers, J.D.M. Burešová, Helena
n4:zamer
n6:MSM6046137308
s:issn
1335-0285
s:numberOfPages
4
n8:organizacniJednotka
22320