WFRF:(Suhling Frank)
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- Suhling, FrankDept. of Environ. System Analysis, Institut für Geoökologie, TU Braunschweig, Langer Kamp 19c, DE-38102 Braunschweig, Germany (författare)
Behavioural and life history traits in temporary and perennial waters : comparisons among three pairs of sibling dragonfly species
- Artikel/kapitelEngelska2005
Förlag, utgivningsår, omfång ...
- Blackwell Publishing,2005
- printrdacarrier
Nummerbeteckningar
- LIBRIS-ID:oai:DiVA.org:hh-319
- https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-319URI
- https://doi.org/10.1111/j.0030-1299.2005.13230.xDOI
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- Språk:engelska
- Sammanfattning på:engelska
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- SwePubSwePub
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Anmärkningar
- Identifying and examining traits that influence the distribution of species is crucial to the understanding of community structure. Theory predicts that traits should differ between species that live in temporary and permanent waters because of differing major environmental variables; viz drying out and predator presence, respectively. Species, however, will also be influenced by their evolutionary history, i.e. by the traits of their common ancestors. We studied differences in life history and behaviour traits in a series of laboratory experiments using pairs of dragonfly species out of three genera of Namibian Libellulidae (Odonata) with one species from each type of habitat. As predicted, growth rates were significantly higher in the temporary water species compared to the permanent water species. Activity and foraging, in contrast, differed between the genera, but did not differ between the habitat types. Hence, our study implies that the behavioural traits are influenced by phylogenetic inertia rather than by the habitat variables, while growth rate is adapted to the habitat. We argue that in all three genera one species has diverged recently from a sister species that lives in the original habitat of the genus, which may be temporary waters in Crocothemis Brauer and in Orthetrum Newman, and permanent waters in Trithemis Brauer. The behavioural traits may therefore be less well adapted. Rapid growth may be the more relevant trait because it is crucial to survival in temporary waters.
Ämnesord och genrebeteckningar
- NATURVETENSKAP Biologi Ekologi hsv//swe
- NATURAL SCIENCES Biological Sciences Ecology hsv//eng
- perennial waters
- temporary waters
- dragonflies
- Terrestrial, freshwater and marine ecology
- Terrestrisk, limnisk och marin ekologi
Biuppslag (personer, institutioner, konferenser, titlar ...)
- Sahlén, GöranHögskolan i Halmstad,Ekologi och miljövetenskap(Swepub:hh)gosa (författare)
- Kasperski, JudithDept. of Environ. System Analysis, Institut für Geoökologie, TU Braunschweig, Langer Kamp 19c, DE-38102 Braunschweig, Germany (författare)
- Gaedecke, DunjaDept. of Environ. System Analysis, Institut für Geoökologie, TU Braunschweig, Langer Kamp 19c, DE-38102 Braunschweig, Germany (författare)
- Dept. of Environ. System Analysis, Institut für Geoökologie, TU Braunschweig, Langer Kamp 19c, DE-38102 Braunschweig, GermanyEkologi och miljövetenskap (creator_code:org_t)
Sammanhörande titlar
- Ingår i:Oikos: Blackwell Publishing108:3, s. 609-6170030-12991600-0706
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