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Body size and dispersal mode as key traits determining metacommunity structure of aquatic organisms.
The results reveal that body size and dispersal mode are important drivers of metacommunity structure and these traits should therefore be considered when developing a predictive framework for metacomunity dynamics. Expand
Ecological characteristics of small farmland ponds: Associations with land use practices at multiple spatial scales
Abstract Despite their restricted surface area, small farmland ponds often have a high conservation value because they contribute significantly to regional biodiversity and contain rare or uniqueExpand
Caged midge larvae (Chironomus riparius) for the assessment of metal bioaccumulation from sediments in situ.
First-stage larvae of the midge Chironomus riparius were exposed in small enclosures at 19 sites located in three different river basins in Flanders, Belgium, and a significant correlation between metal levels in caged and resident larvae was found and organic carbon and oxygen levels in water were important in describing the accumulation of metals. Expand
Sublethal parameters in morphologically deformed Chironomus larvae: clues to understanding their bioindicator value
A different development rate and mortality of deformed larvae in non-adapted populations and the possibility of metal adaptation, as in site NP, may modulate the final outcome of deformity frequencies, thus having an impact on the biomarker value of deformities in benthic midge larvae. Expand
Diapause induction in the third and fourth instar of Chironomus riparius (Diptera) from Belgian lowland brooks
Diapause induction in the IVth instar of Chironomus riparius MEIGEN, 1804, is described for the first time from a combination of field and laboratory research, relevant for understanding the ecology of Ch. Expand
Global diversity of dipteran families (Insecta Diptera) in freshwater (excluding Simulidae, Culicidae, Chironomidae, Tipulidae and Tabanidae)
Today’s knowledge of worldwide species diversity of 19 families of aquatic Diptera in Continental Waters is presented. Nevertheless, we have to face for certain in most groups a restricted knowledgeExpand
Potential of bio-indication of chironomid communities for assessment of running water quality in Flanders (Belgium)
The diversity of chironomid communities and their indica-tor role for assessment of particular river types and water quality were examined by means of multivariate analysis and provided useful information on the ecology of these organisms and their role as indicator organisms of specific waterquality states. Expand
On the relationship between vertical microdistribution and adaptations to oxygen stress in littoral Chironomidae (Diptera)
High hemoglobin concentration and weight both seemed to contribute to an ability to cope with low oxygen concentrations, and determined the vertical distribution of chironomids in the sediment. Expand
Exposure of Chironomus riparius larvae (diptera) to lead, mercury and beta-sitosterol: effects on mouthpart deformation and moulting.
In the present study, exposure to sublethal concentrations of beta-sitosterol did not result in any effect on deformation or moulting and the proposed hypothesis of endocrine disruptors as primary causal agents of chironomid deformation could not be substantiated. Expand
The life-cycle of the asexual ostracod Darwinula stevensoni (Brady & Robertson, 1870) (Crustacea, Ostracoda) in a temporate pond
The life-cycle of Darwinula stevensoni appears to take one year or less in Belgium and this is considerably shorter than the 4 years which had been reported previously from subarctic populations. Expand