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Dragonflies and DamselfliesModel Organisms for Ecological and Evolutionary Research$
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Alex Córdoba-Aguilar

Print publication date: 2008

Print ISBN-13: 9780199230693

Published to Oxford Scholarship Online: September 2008

DOI: 10.1093/acprof:oso/9780199230693.001.0001

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The use of dragonflies in the assessment and monitoring of aquatic habitats

The use of dragonflies in the assessment and monitoring of aquatic habitats

(p.79) CHAPTER 7 The use of dragonflies in the assessment and monitoring of aquatic habitats
Dragonflies and Damselflies

Beat Oertli

Oxford University Press

Odonata constitute a valuable tool for various types of bioassessment and biomonitoring of aquatic habitats, such as the measure of biodiversity, the appraisal of waterbody health or integrity (including water quality and ecosystem function), the monitoring of management or restoration practices, and the detection and prediction of biological impacts of climate warming. Furthermore, they have already provided excellent data sets for hypothesis testing in ecology or evolution. An efficient sampling method for Odonata should account for the three live stages, i.e., larvae, exuviae, and adults. However, as this approach may be too expensive, most existing methods only focus on one stage. In applied issues, the adult stage is surveyed at a low cost, and is therefore useful for rapid assessments; it can serve for preliminary screening, for example when identifying local hotspots of diversity or, on the contrary, to mark degraded sites.

Keywords:   bioassessment, biomonitoring, biodiversity, ecosystem health, habitat restoration, habitat management, climate warming, sampling methods

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