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Surveying Moths Usi...
Surveying Moths Using Light Traps: Effects of Weather and Time of Year
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- Jonason, Dennis (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Linköpings universitet,Biologi,Tekniska högskolan,Institutionen för ekologi,Department of Ecology,Linköping University,Linköping University ; Swedish University of Agricultural Sciences (SLU)
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- Franzén, Markus (författare)
- UFZ Helmholtz Centre Environm Research, Germany,UFZ Helmholtz Centre for Environmental Research, Germany
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- Ranius, Thomas (författare)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för ekologi,Department of Ecology,Swedish University of Agricultural Sciences (SLU),Swedish University of Agriculture Science, Sweden
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(creator_code:org_t)
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- 2014-03-17
- 2014
- Engelska.
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Ingår i: PLOS ONE. - : Public Library of Science. - 1932-6203. ; 9:3, s. 0092453-
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Abstract
Ämnesord
Stäng
- Light trapping is an ideal method for surveying nocturnal moths, but in the absence of standardised survey methods effects of confounding factors may impede interpretation of the acquired data. We explored the influence of weather, time of year, and light source on nightly catches of macro moths in light traps, and compared four strategies for sampling by estimating observed species richness using rarefaction. We operated two traps with different light sources for 225 consecutive nights from mid-March to the end of October in eastern Germany in 2011. In total, 49 472 individuals of 372 species were recorded. Species richness and abundance per night were mainly influenced by night temperature, humidity and lamp type. With a limited sample size (less than10 nights) it was slightly better to concentrate sampling on the warmest summer nights, but with more sampling nights it was slightly better to sample during the warmest nights in each month (March to October). By exploiting the higher moth activity during warm nights and an understanding of the species phenology, it is possible to increase the number of species caught and reduce effects of confounding abiotic factors.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Zoologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Zoology (hsv//eng)
Nyckelord
- TECHNOLOGY
- TEKNIKVETENSKAP
- Natural Science
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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