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ŠUMARSKI LIST 3-4/2019 str. 51     <-- 51 -->        PDF

Preliminary data on the beetle (Coleoptera) fauna of Turopoljski Lug forest
Preliminarni podaci o fauni kornjaša (Coleoptera) Turopoljskog luga
Mladen Zadravec, Toni Koren, Boris Lauš, Ivona Burić, Barbara Horvatić
Wetlands provide many important ecosystem services, e.g. serving as natural retention areas to prevent flooding and they can be recreational areas for the general public. They also represent vital habitats for many animal species and many are protected nature areas. In spite of this, the fauna of many wetlands in Croatia is still mostly unknown, especially when it comes to beetles. Not knowing the fauna of a particular habitat hinders management efforts. One such location is Turopoljski Lug forest, south-east from the capital Zagreb. The fieldwork was done from March till September 2017, utilising four methods: sweep netting, baited traps on tree trunks, light trapping with UV light traps at night, and collecting by hand. Additionally, several records from earlier visits are included. The total number of currently known species for the forest is raised from 51 to 133. A total of nine species are near threatened (NT), seven of which are saproxylic. Three species listed in Annexes II and IV of the Habitats Directive occur in the area, of which only Cerambyx cerdo had been recorded. Additionally, a neglected literature record of a fourth, Phryganophilus ruficollis, has been discovered. Current management practices for the forest should be re-evaluated and modified if necessary. Future research targeting specific beetle groups should yield further increases in the number of species known for the area, while a targeted mapping of the distribution of species listed on the Annexes should yield much-needed conservation information.
Key words: flooded forest, Natura 2000 Ecological Network, Cerambyx cerdo, Phryganophilus ruficollis, Trox perrisii, nature protection areas
Wetlands represent important habitats for many animal species, as a suitable home for them and as a source of food and water (Junk et al., 2013). Many are globally protected through the Ramsar Convention (Anonymous, 2008) and through local/national legislation, e.g. as national and nature parks and through ecological networks such as Natura 2000 (Anonymous, 1979, 1992). Examples of such wetlands in Croatia are the Kopački Rit and Lonjsko Polje Nature Parks and Natura 2000 sites, and Turopoljski Lug in Turopolje.
Turopolje is a region located between the right bank of the Sava River to the north-east and the Vukomeričke Gorice to the south-west, south-east of Zagreb and Velika Gorica, north-west of Sisak (Lazowski, 1910). One of its defining features is the Turopoljski Lug forest, covering an area of 33.44 km2. The area changed a lot in the last 200-odd years,