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Aluja et al.: Is the alpine divide becoming more permeable to biological invasions? - Insights on the invasion and establishment of the Walnut Husk Fly, Rhagoletis completa (Diptera: Tephritidae) in Switzerland. Bull. Ent. Res., online first, 2011;
Bradshaw & Holzapfel: Genetic shift in photoperiodic response correlated with global warming. PNAS 98: 14509-14511, 2001; Samietz et al.: Phenology modelling of major insect pests in fruit orchards. EPPO Bulletin 37: 255-260, 2007;
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www.agrometeo.ch;
CIPRA: www. res2.agr.ca (Link funktionert nicht mehr; s. Webarchiv
http://web.archive.org/web/20070814025155/http://res2.agr.ca/index_e.htm )
ISIP: www.isip.de;
SOPRA:
www.sopra.info