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Silvi (Fach) / insects (Lektion)

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  • What is the peculiarity with insects and increasing temp.? What is to be expected? • insects are ectotherms. Climate Change effects positively and enlarges their area of activity e.g.: pine weevil o   Shorter development time o   Increased number of generations within one period o   More storm felling caused by warmer winters o   More drought events o   Increased damage caused by longer growing season o   Feeding during fall
  • Measures to stem calamities? -> Replacing even – aged spruce dominated forest by: o   Continuous cover forestry – no clear felling o   Mixed forests – no monoculture anymore o   Short rotation forestry – no thinning o   Exotic tree species?
  • Possible (non-chemical) plant protections? Weaknesses? • coating (coat covers half the plant from the base up e.g. Conniflex), negative effects to plant health. • barrier protection (may strangle the plant)