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Rising temperatures, altered life cycles and their consequences for dragonflies in Europe
Technische Universität Braunschweig.
Halmstad University, School of Business and Engineering (SET), Biological and Environmental Systems (BLESS).
Environmental System Analysis, Institute of Geoecology, Braunschweig University of Technology.
2010 (English)Conference paper, Published paper (Other academic)
Abstract [en]

Besides range expansion, altered life cycle patterns are the most visible signal of dragonfly responses to recent climate change. Since dragonflies are poikilotherm organisms their metabolism is directly responding to the ambient temperature. Thus, rising temperatures, which have already been recorded and are predicted to be even more severe in the future, should lead to alterations in all aspects of dragonfly life cycles. This may lead to temporal mismatches with other environmental variables relevant for the survival of dragonfly populations. The aim of our contribution is reviewing the known facts about temperature on growth rates and voltinism. We investigated temperature response of growth by laboratory experiments mainly in Libellulidae. Physiological structured mathematical models were used to simulate life cycle duration with various types of seasonal regulation. We will try predictions of consequences of rising temperatures for voltinism and phenology of some European dragonflies in future considering the regionally different climatic conditions. With the aid of such models we will also stress the question how temperature as environmental factor may influence present and future distribution of species in Europe.

Place, publisher, year, edition, pages
2010.
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hh:diva-14957OAI: oai:DiVA.org:hh-14957DiVA: diva2:408432
Conference
1st European Congress on Odonatology, 2-5 July 2010 Vairão-Vila do Conde Portugal
Available from: 2011-04-04 Created: 2011-04-04 Last updated: 2011-07-06Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Output format
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