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Return of the moth: rethinking the effect of climate on insect outbreaks

U. Büntgen, A. Liebhold, D. Nievergelt, B. Wermelinger, A. Roques, F. Reinig, PJ. Krusic, A. Piermattei, S. Egli, P. Cherubini, J. Esper,

. 2020 ; 192 (2) : 543-552. [pub] 20200109

Jazyk angličtina Země Německo

Typ dokumentu časopisecké články

Perzistentní odkaz   https://www.medvik.cz/link/bmc20005581

Grantová podpora
CZ.02.1.01/0.0/0.0/ 16_019/0000797 ustES - Adaptation strategies for sustainable ecosystem services and food security under adverse environmental conditions
CZ.02.1.01/0.0/0.0/16_019/0000803 OP RDE grant EVA4.0

E-zdroje Online Plný text

NLK ProQuest Central od 2003-01-01 do Před 1 rokem
Medline Complete (EBSCOhost) od 2000-01-01 do Před 1 rokem
Health & Medicine (ProQuest) od 2003-01-01 do Před 1 rokem

Odkazy

PubMed 31919693
DOI 10.1007/s00442-019-04585-9
Knihovny.cz E-zdroje

The sudden interruption of recurring larch budmoth (LBM; Zeiraphera diniana or griseana Gn.) outbreaks across the European Alps after 1982 was surprising, because populations had regularly oscillated every 8-9 years for the past 1200 years or more. Although ecophysiological evidence was limited and underlying processes remained uncertain, climate change has been indicated as a possible driver of this disruption. An unexpected, recent return of LBM population peaks in 2017 and 2018 provides insight into this insect's climate sensitivity. Here, we combine meteorological and dendrochronological data to explore the influence of temperature variation and atmospheric circulation on cyclic LBM outbreaks since the early 1950s. Anomalous cold European winters, associated with a persistent negative phase of the North Atlantic Oscillation, coincide with four consecutive epidemics between 1953 and 1982, and any of three warming-induced mechanisms could explain the system's failure thereafter: (1) high egg mortality, (2) asynchrony between egg hatch and foliage growth, and (3) upward shifts of outbreak epicentres. In demonstrating that LBM populations continued to oscillate every 8-9 years at sub-outbreak levels, this study emphasizes the relevance of winter temperatures on trophic interactions between insects and their host trees, as well as the importance of separating natural from anthropogenic climate forcing on population behaviour.

Citace poskytuje Crossref.org

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