Geometrid outbreak waves travel across Europe

Olle Tenow, Arne C. Nilssen, Helena Bylund, Rickard Pettersson, Andrea Battisti, Udo Bohn, Fabien Caroulle, Constantin Ciornei, G. Csóka, Horst Delb, Willy De Prins, Milka Glavendekić, Yuri I. Gninenko, Boris Hrašovec, Dinka Matošević, Valentyna Meshkova, Leen Moraal, Constantin Netoiu, Juan Pajares, Vasily Rubtsov & 2 others Romica Tomescu, Irina Utkina

Research output: Contribution to journalArticle

37 Citations (Scopus)

Abstract

We show that the population ecology of the 9- to 10-year cyclic, broadleaf-defoliating winter moth (Operophtera brumata) and other early-season geometrids cannot be fully understood on a local scale unless population behaviour is known on a European scale. Qualitative and quantitative data on O. brumata outbreaks were obtained from published sources and previously unpublished material provided by authors of this article. Data cover six decades from the 1950s to the first decade of twenty-first century and most European countries, giving new information fundamental for the understanding of the population ecology of O. brumata. Analyses on epicentral, regional and continental scales show that in each decade, a wave of O. brumata outbreaks travelled across Europe. On average, the waves moved unidirectionally ESE-WNW, that is, toward the Scandes and the Atlantic. When one wave reached the Atlantic coast after 9-10 years, the next one started in East Europe to travel the same c. 3000 km distance. The average wave speed and wavelength was 330 km year-1 and 3135 km, respectively, the high speed being incongruous with sedentary geometrid populations. A mapping of the wave of the 1990s revealed that this wave travelled in a straight E-W direction. It therefore passed the Scandes diagonally first in the north on its way westward. Within the frame of the Scandes, this caused the illusion that the wave moved N-S. In analogy, outbreaks described previously as moving S-N or occurring contemporaneously along the Scandes were probably the result of continental-scale waves meeting the Scandes obliquely from the south or in parallel. In the steppe zone of eastern-most and south-east Europe, outbreaks of the winter moth did not participate in the waves. Here, broadleaved stands are small and widely separated. This makes the zone hostile to short-distance dispersal between O. brumata subpopulations and prevents synchronization within meta-populations. We hypothesize that hostile boundary models, involving reciprocal host-herbivore-enemy reactions at the transition between the steppe and the broadleaved forest zones, offer the best explanation to the origin of outbreak waves. These results have theoretical and practical implications and indicate that multidisciplinary, continentally coordinated studies are essential for an understanding of the spatio-temporal behaviour of cyclic animal populations.

Original languageEnglish
Pages (from-to)84-95
Number of pages12
JournalJournal of Animal Ecology
Volume82
Issue number1
DOIs
Publication statusPublished - Jan 2013

Fingerprint

Operophtera brumata
travel
population ecology
steppes
steppe
moth
Europe
wavelengths
herbivores
winter
twenty first century
metapopulation
subpopulation
coasts
herbivore

Keywords

  • Dispersal and synchronization
  • Reaction-diffusion
  • Travelling waves
  • Wave theory

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Ecology, Evolution, Behavior and Systematics

Cite this

Tenow, O., Nilssen, A. C., Bylund, H., Pettersson, R., Battisti, A., Bohn, U., ... Utkina, I. (2013). Geometrid outbreak waves travel across Europe. Journal of Animal Ecology, 82(1), 84-95. https://doi.org/10.1111/j.1365-2656.2012.02023.x

Geometrid outbreak waves travel across Europe. / Tenow, Olle; Nilssen, Arne C.; Bylund, Helena; Pettersson, Rickard; Battisti, Andrea; Bohn, Udo; Caroulle, Fabien; Ciornei, Constantin; Csóka, G.; Delb, Horst; De Prins, Willy; Glavendekić, Milka; Gninenko, Yuri I.; Hrašovec, Boris; Matošević, Dinka; Meshkova, Valentyna; Moraal, Leen; Netoiu, Constantin; Pajares, Juan; Rubtsov, Vasily; Tomescu, Romica; Utkina, Irina.

In: Journal of Animal Ecology, Vol. 82, No. 1, 01.2013, p. 84-95.

Research output: Contribution to journalArticle

Tenow, O, Nilssen, AC, Bylund, H, Pettersson, R, Battisti, A, Bohn, U, Caroulle, F, Ciornei, C, Csóka, G, Delb, H, De Prins, W, Glavendekić, M, Gninenko, YI, Hrašovec, B, Matošević, D, Meshkova, V, Moraal, L, Netoiu, C, Pajares, J, Rubtsov, V, Tomescu, R & Utkina, I 2013, 'Geometrid outbreak waves travel across Europe', Journal of Animal Ecology, vol. 82, no. 1, pp. 84-95. https://doi.org/10.1111/j.1365-2656.2012.02023.x
Tenow O, Nilssen AC, Bylund H, Pettersson R, Battisti A, Bohn U et al. Geometrid outbreak waves travel across Europe. Journal of Animal Ecology. 2013 Jan;82(1):84-95. https://doi.org/10.1111/j.1365-2656.2012.02023.x
Tenow, Olle ; Nilssen, Arne C. ; Bylund, Helena ; Pettersson, Rickard ; Battisti, Andrea ; Bohn, Udo ; Caroulle, Fabien ; Ciornei, Constantin ; Csóka, G. ; Delb, Horst ; De Prins, Willy ; Glavendekić, Milka ; Gninenko, Yuri I. ; Hrašovec, Boris ; Matošević, Dinka ; Meshkova, Valentyna ; Moraal, Leen ; Netoiu, Constantin ; Pajares, Juan ; Rubtsov, Vasily ; Tomescu, Romica ; Utkina, Irina. / Geometrid outbreak waves travel across Europe. In: Journal of Animal Ecology. 2013 ; Vol. 82, No. 1. pp. 84-95.
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