The unexpected northward migration of some species of insects in Central Europe and the climatic changes

  • F. Kozár
  • A. Nagy Dávid
Article

Abstract

From 1974 to 1983 a stable and considerable northward expansion of range (200 to 700 km) of some southern insects was detected. One of the most important causes of this phenomenon appears to be that winters were mild for several years. These data on expansion, involving several groups of insects, illuminate studies on the effects of the warming-up of the climate. The expansion range observed caused considerable economic problems, requiring regional and international remedial actions.

Keywords

Climatic Change Plant Physiology Plant Pathology Expansion Range Economic Problem 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Zusammenfassung

Zwischen 1974 und 1983 konnte bei einigen südlichen Insektenarten eine ständige und wesentliche Nordexpansion (200–700 km) festgestellt werden. Eine der wichtigsten Ursachen des Phänomens scheint die Milde der Winter der letzten Jahre zu sein. Die Beobachtungen bestätigen einige sich mit Klimaerwärmungen befassende Studien. Die Expansion führte zu beträchtlichen wirtschaftlichen Sorgen und löste Gegenmaßnahmen auf internationaler Ebene aus.

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Copyright information

© Verlag Paul Parey 1986

Authors and Affiliations

  • F. Kozár
    • 1
  • A. Nagy Dávid
    • 2
  1. 1.Research Institute for Plant Protection of the Hungarian Academy of SciencesBudapest
  2. 2.Central Meteorological Institute of the Meteorological ServiceBudapest

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