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Titolo:
EFFECT OF DIMETHOATE ON BODY GROWTH OF REPRESENTATIVES OF THE SOIL LIVING MESOFAUNA
Autore:
FOLKERHANSEN P; KROGH PH; HOLMSTRUP M;
Indirizzi:
MINIST ENVIRONM,NATL ENVIRONM RES INST,POB 314,VEJLSOVEJ 25 DK-8600 SILKEBORG DENMARK MINIST ENVIRONM,NATL ENVIRONM RES INST DK-8600 SILKEBORG DENMARK
Titolo Testata:
Ecotoxicology and environmental safety
fascicolo: 3, volume: 33, anno: 1996,
pagine: 207 - 216
SICI:
0147-6513(1996)33:3<207:EODOBG>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
FOLSOMIA-CANDIDA; REPRODUCTION; COLLEMBOLA; POPULATION; STIMULATION; NEMATODES; PATTERNS; CADMIUM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
P. Folkerhansen et al., "EFFECT OF DIMETHOATE ON BODY GROWTH OF REPRESENTATIVES OF THE SOIL LIVING MESOFAUNA", Ecotoxicology and environmental safety, 33(3), 1996, pp. 207-216

Abstract

For the elucidation of effects of a pesticide on life-cycle parameters of arthropods, applicable in the development of ecotoxicological test procedures with soil living animals, attention was drawn to body growth, which has previously been described as a sensitive parameter in Collembola. Body growth of the following three soil-dwelling arthropodswas studied under the influence of dimethoate: Folsomia fimetaria (L.), Hypogastrura assimilis Krausbauer, and Hypoaspis aculeifer Canestrini. The effect of this insecticide and acaricide proved to be sex and species specific. Two models were compared for modeling individual body length. The logistic growth model fitted data for all species, whereas the growth model of von Bertalanffy was less applicable for F. fimetaria and H. aculeifer. The growth rate coefficient of the logistic model proved to be a robust parameter useful for predicting effects of dimethoate on juvenile growth of F. fimetaria and H. aculeifer. Adverseeffect concentrations on growth for these species were the following:EC(10) = 0.11 mg dimethoate/kg dry soil for F. fimetaria and EC(10) =0.59 mg dimethoate/kg dry soil for H. aculeifer. For H. assimilis, noadverse effects on growth were observed at the tested concentrations. The results are compared to other life-cycle parameters (end-points). (C) 1996 Academic Press, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 21/09/20 alle ore 06:06:39