Original paper

Explaining species distribution in running water systems: larval respiration and growth of two Calopteryx species (Odonata, Zygoptera)

Schütte, Carsten; Schrimpf, Ilona

Archiv für Hydrobiologie Volume 153 Number 2 (2002), p. 217 - 229

54 references

published: Feb 27, 2002

DOI: 10.1127/archiv-hydrobiol/153/2002/217

BibTeX file

ArtNo. ESP141015302002, Price: 29.00 €

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Calopteryx virgo (Linné 1758) is most often encountered at running water rhitron, whereas Calopteryx splendens (Harris 1782) predominantly chooses the hyporhitron to metapotamon. Larval growth of both species was studied in two streams in the field and under three different temperatures in the laboratory (12 °C/18 °C/24 °C). Their respiration was tested at the same three temperatures by measuring the CO2-production of the larvae via gas chromatography. At low temperatures, C. virgo was growing faster and had a higher standard metabolism than C. splendens. While C. splendens had similar respiration rates at 12 °C, 18 °C and 24 °C, the respiration of C. virgo was significantly higher at lower temperatures, as it is adapted to cold environments. But additionally, C. virgo is outspeeding C. splendens in growth even at 24 °C, suggesting that besides temperature adaptation there have to be other factors hindering co-occurrence of both species in warm streams.


Standard metabolismrespiration ratestemperature regimesenvironmental adaptation