The structure and dynamics of a water beetle community in a ...

Contents
1 Introduction 5
2 Topic one – Selectivity and efficiency of four methods for sampling water beetles 6
2.1 Review of the literature – Methods for sampling insects in stagnant waters 7
2.2 Material and methods 10
2.2.1 Study site description 10
2.2.2 Sampling 11
2.2.3 Processing material 12
2.2.4 Data processing 12
2.3 Results 13
2.4 Discussion 19
3 Topic two – Flight activity of water beetles – seasonal dynamics and effects of
environmental variables 21
3.1 Review of the literature – Dispersal by flight in aquatic insects 22
3.2 Material and methods 24
3.3 Results 26
3.4 Discussion 35
4 Topic three – Spatiotemporal dynamics of a water beetle community 37
4.1 Review of the literature – Spatiotemporal dynamics, habitat associations, biotic
and abiotic factors shaping insect communities of stagnant waters 38
4.2 Material and methods 41
4.3 Results 42
4.4 Discussion 50
5 Conclusions 52
6 References 53
Appendix – List of species 60
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