[1]Northwest German Forest Research Institute;
GratzelstraBe 2;
37079 Gottingen;
Germany;
[1]Northwest German Forest Research Institute;
GratzelstraBe 2;
37079 Gottingen;
Germany;
[1]Northwest German Forest Research Institute;
GratzelstraBe 2;
37079 Gottingen;
Germany;
Operophtera brumata; Erannis defoliaria; Generalized additive mixed model; Weather effect; Insect pest outbreaks;