Species richness and assemblage structure of Trichoptera in Danish streams.
By P. Wiberg‐Larsen, K. Brodersen, S. Birkholm, P. Grøn, J. Skriver. 2000
85 citations recorded by the source corpus.
SUMMARY 1. Species richness and assemblages of Trichoptera from 157 ‘pristine’ Danish lowland stream sites were analyzed, for dependence on geographical position of the sites and simple physical variables, using two way indicator species analysis and detrended correspondence analysis. 2. A total of 106 species were recorded, representing » 90% of the species pool known from Danish streams. Only seven species occurred at more than half the sites, whereas an additional 11 species were found at more than a quarter of the sites. 3. Although sites showed significant regional differences in environmental variables (stream order, width, slope and presence/absence of riparian forest), species richness and assemblages were primarily correlated with stream order, width and slope. Maximum richness was found at the largest (5th order) stream sites. 4. Regional differences in species assemblages were found, with several species being absent from the islands Funen and Bornholm. Species assemblages also differed between forested and non-forested stream sites. 5. We found evidence that stream temperature may be of only minor importance in determining Trichoptera species richness and assemblage composition in Danish streams compared to other size-related physical factors.
Subfields: Ecological Modeling, Ecology, Nature and Landscape Conservation
View Paper: https://www.semanticscholar.org/paper/6be68fc21b011beb28d823d21ddffdadc07cbeca
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Citations in the corpus
- Biodiversity of Aquatic Insects: Spatial Gradients and Environmental Correlates of Assemblage-Level Measures at Large Scales (2009, unknown): “…species richness may be positively related to stream size (Brönmark et al., 1984; Ward, 1986; Malmqvist & Mäki, 1994; Malmqvist & Eriksson, 1995; Wiberg-Larsen et al., 2000; Paller et al., 2006), although exceptions to these patterns also exist (Winterbourn et al., 1981; Malmqvist & Hoffsten,…”
- Modelling global insect pest species assemblages to determine risk of invasion (2006, background): “Examples of such studies are the analysis of the Trichoptera assemblage in Danish streams ( Wiberg-Larsen et al . 2000 ), the assessment of the Luxembourg river water quality using diatom assemblages (Gevrey et al . 2004), the investigation of macroinvertebrate assemblages in Brazil (Buss et al . 20”
- Assessing the impact of errors in sorting and identifying macroinvertebrate samples (2006, background): “observed when comparing caddis fly assemblages from different regions (Wiberg-Larsen et al., 2000) or differently impacted sites along a river stretch (Ganasan & Hughes, 1998).”
- Stream macroinvertebrate occurrence along gradients in organic pollution and eutrophication (2009, methodology): “The number of species and their dominance in Denmark within each taxonomic group was derived using existing information from the literature (Wiberg-Larsen, 1984; Nilsson, 1996; Stoltze & Pihl, 1998; Wiberg-Larsen et al., 2000) combined with a subset of taxa lists from the Danish national monitoring ”