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Imidacloprid voldoet niet aan de milieucriteria van het Besluit milieutoelatingseisen bestrijdingsmiddelen van 1995

... < 0,01 LC50 ‘acuut vis’ en < 0,01 EC50 ‘acuut Daphnia’ en < 0,1 NOEC ‘alg’ - over bepaald tijdsinterval gemiddelde ... invertebrates - Acute 48 hour EC50 (mg l-1): 85 [Daphnia magna] ; Aquatic invertebrates - Chronic 21 day NOEC (mg l-1): 1.8 [Daphnia ...

Story - Henk Tennekes - 15/01/2012 - 12:44 - 0 comments - 2 attachments

Pesticide authorisation procedures fail to adequately protect biodiversity in rivers

... 000 of the median acute effect concentration (EC50) for Daphnia magna, depending on the model specification and whether forested upstream ...

Story - Henk Tennekes - 13/06/2012 - 07:29 - 0 comments - 2 attachments

Differences in susceptibility of five cladoceran species to two systemic insecticides

... were in the following descending order: Ceriodaphnia[Moina[Daphnia. A positive relationship was found between body lengths of each species ... sensitive bioindicators (instead of the standard Daphnia magna) for ecotoxicological assessments of aquatic ecosystems. In addition, ...

Story - Henk Tennekes - 28/09/2012 - 14:50 - 0 comments - 1 attachment

Contamination of Dutch surface water with imidacloprid threatens insects

... to the freshwater ostracod Cypridopsis vidua and to Daphnia magna as well as for the toxicity of the neonicotinoid insecticide thiacloprid ...

Story - Henk Tennekes - 31/01/2012 - 16:59 - 0 comments - 7 attachments

Acute and delayed effects of thiacloprid on seven freshwater arthropods

... by three orders of magnitude in the following order: Daphnia magna < Asellus aquaticus = Gammarus pulex < Simpetrum striolatum < ...

Story - Henk Tennekes - 26/12/2011 - 07:23 - 0 comments - 0 attachments