Effects of nonylphenol on zooplankton in aquatic microcosms

Gabriele F. Severin, Gerhard Welzl, Ingrid Jüttner, Gerd Pfister, Karl Werner Schramm

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

17 Zitate (Scopus)

Abstract

We investigated the effects of the endocrine disruptor nonylphenol (NP) on the zooplankton assemblages of 230 L aquatic microcosms during a four-week preapplication period, a six-week NP treatment via controlled release, and a six-week postapplication period. Zooplankton assemblage change, investigated by ordination principal response curves (PRC), was due to lower abundances of copepoda, rotifera, and cladocera. The most sensitive groups/taxa were copepoda larvae, followed by the rotifers Synchaeta spp., Polyarthra spp., and the cladocerans Daphnia longispina and Chydorus sphaericus. The mean no-observed-effect concentrations for the community (NOECCommunity) was 30 μg/L. Cladocera densities recovered during the postapplication period at all but the highest NP concentrations (maximum 120 μg/L); copepod densities did not recover at the three highest concentrations (maximum 96-120 μg/L).

OriginalspracheEnglisch
Seiten (von - bis)2733-2738
Seitenumfang6
FachzeitschriftEnvironmental Toxicology and Chemistry
Jahrgang22
Ausgabenummer11
DOIs
PublikationsstatusVeröffentlicht - 1 Nov. 2003
Extern publiziertJa

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