Abstract

Raptors are emblematic species of high conservation value and significant ecological role. Their conservation is of particular importance and it relies on the conservation of their habitats and the constant monitoring of their dynamics. In the current study we investigate land cover changes over the period 2001–2011, in one of the most important reserves for raptor conservation in Europe, the Dadia-Lefkimi-Soufli Forest National Park. Very high and high spatial resolution satellite data were integrated in a single analysis, in order to exploit the high spatial accuracy of the former and the high temporal and spectral resolution of the latter. The results suggest that the applied method increases the overall accuracy of the mapping product from 73% to 89%, providing a tool to land managers and conservationists to study landscape dynamics and guide wildlife management. The analysis of land use changes revealed that wildfires of high intensity and large extent, constitute a new threat for the ecological integrity of the reserve. If the currently observed trend of wildfire behavior in Greece and southern Europe continues it is likely to affect the core zones of forest reserve, which consist primarily by dense forests with high fuel load, with detrimental effects for wildlife. The most important land cover change observed is the significant reduction of open areas, which form the main hunting areas for raptors. Open areas appear to be encroached by forest, leading to loss of heterogeneity which has been reported to be associated with high biodiversity. The results reveal the need for more active management measures that would decrease the risk of large stand replacing fires and would ensure a suitable landscape structure for raptors.

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