Macroinvertebrate communities of karst springs in the Julian Alps in relation to environmental factors

  • Mori N
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Abstract

Karst springs in the Julian Alps were investigated from May to September 1999 to examine the influence of physical and chemical characteristics on macroinvertebrate community composition. The study revealed a great heterogeneity of environmental characteristics and highly variable taxonomic composition and abundance of taxa among individual springs. The results of canonical correspondence analysis (CCA) showed that spring altitude and periphyton coverage were the only environmental parameters significantly influencing the macroinvertebrate community composition.Preučevali smo združbe velikih vodnih nevretenčarjev v 16 kraških izvirih na območju Julijskih Alp v povezavi z fizikalnimi in kemijskimi lastnostmi izvirskih habitatov v obdobju od maja do septembra 1999. Primerjava okoljskih dejavnikov in združb med posameznimi izviri je pokazala velike razlike tako v fizikalnih in kemijskih značilnostih kot v sestavi združb med posameznimi izviri. Rezultati kanonične korelacijske analize (CCA) kažejo, da sta edino nadmorska višina in pokritost substrata s perifitonom značilno vplivala na sestavo izvirskih združb.

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APA

Mori, N. (2003). Macroinvertebrate communities of karst springs in the Julian Alps in relation to environmental factors. Natura Sloveniae, 5(2), 5–17. https://doi.org/10.14720/ns.5.2.5-17

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