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Odonata in the urban landscape
Fiala, Bohumil ; Černý, Martin (advisor) ; Harabiš, Filip (referee)
Urbanization is currently one of the main causes of landscape destruction, endangerment of species and homogenization of natural communities. Dragonflies are an important part of freshwater ecosystems. Due to their amphibious life cycle, they are influenced by environmental factors both in a water and on a dry land. Despite the negative impact of urbanization on the environment, the urban landscape has the potential to host a great diversity of organisms, including dragonflies and damselflies. The best way to support local diversity of Odonata is by appropriate management of freshwater habitats, including promoting diversity of aquatic, litoral and riparian vegetation, preserving the original bottom and banks of both lotic and lentic waters and improving water quality in cities. The connectivity of individual localities in the landscape and the reduction of ecological traps are also important ways to ensure the stability of urban populations. Small artificial water reservoirs and well-preserved secondary habitats have the highest conservation potential in most cities. Dragonflies can also play the role of umbrella species for the protection of freshwater communities (not only) in urban areas.
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