Danube-Tisza Interfluve Festuca pseudovaginata Festuca vaginata Festuca wagneri Geotrupidae NDVI Research & information: general Scarabaeidae Sentinel-2A Shannon diversity abundance arthropod predation carbon cycling community composition connectivity decomposition diversity drought tolerance dummy caterpillar duration curve ecological values ecosystem degradation ecosystem function ecosystem service edge effect forest belt forest steppe forest-steppe forest-steppe ecotone forest-steppes