The dissertation is focused on the spatio-temporal dispersal dynamics of the European spruce bark beetle
Ips typographus L., as one of the most important pest species in spruce forests, and its infestations.
(1) Based on sequences of high resolution aerial imagery from the Bavarian Forest National Park (1988-2011) undisturbed infestation dynamics at landscape scale are documented and spatial patterns of consecutive, yearly infestations are quantified. Results show higher infestation risk in close vicinity of previous year infestations, at cleared forest edges and in non-mixed spruce stands, amongst others.
(2) The developed individual-based dispersal model IPS (Infestation Pattern Simulation) covers the complex process of beetle dispersal, host foraging and infestation during one single dispersal wave, considering both beetle and host tree perspectives. It thus uncovers for the first time effects of beetle- and stand-related properties on the dispersal patterns.
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The dissertation is focused on the spatio-temporal dispersal dynamics of the European spruce bark beetle
Ips typographus L., as one of the most important pest species in spruce forests, and its infestations.
(1) Based on sequences of high resolution aerial imagery from the Bavarian Forest National Park (1988-2011) undisturbed infestation dynamics at landscape scale are documented and spatial patterns of consecutive, yearly infestations are quantified. Results show higher infestation risk in clo...
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