engleski

Invasive capacity of Prunus serotina and potential occurrence of Rhagoletis cingulata - A case study in Croatia

Previous findings of Black cherry (Prunus serotina Ehrh.) species affected during its growing season (2018-2021) in Pedunculate oak (Quercus robur L.) forest regeneration area of Jastrebarsko forest management unit have shown a considerable spread and alteration in current vegetation. The continuation of research is focused on monitoring its spreading area as well as its impact on the current habitat characteristics. In addition, this research includes defining potential occurrence of Cherry fruit fly (Rhagoletis cingulata) species, naturally associated with the P. serotinas’ presence. With the aim of sampling both infected and uninfected parts of the monitored area, our survey consists of 20 polygon network plots equally distributed into polygon of the regeneration area (15 plots), as well as the surrounding forest area (5 plots). In order to investigate current habitat characteristics, phytosociological approach is applied. The area is surveyed by the use of the unmanned aerial vehicles (UAV) DJI Mavic 2 Pro and DJI Matrice 600, both equipped with multispectral cameras and DJI Ground Station Pro. Monitoring of Rh. cingulata includes 20 yellow Chromotraps and 8 Tephri-Traps located on the edges of the regeneration area. The results confirm invasive capacity of P. serotina indicating a concerning potential of its subsequent expansion in the near future. In this regard, P. serotinas' progression monitoring is highly recommended as one of the control measures of its development.

Jastrebarsko forest office, regeneration area, Tephi-Trap, UAV

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