Cyclicity and some characteristics of mass reproduction ofCalliptamus italicus L. in Southern Russia

Cyclicity and some characteristics of mass reproduction ofCalliptamus italicus L. in Southern Russia Analysis of the reproductive dynamics ofCalliptamus italicus during the past 100 years confirmed the dependence of locust invasions on the 11-year cycles of solar activity, which was previously known for other gregarious locusts. Over a considerable part of the species range, the onset of mass reproduction is promoted by a hot and droughty spring and summer. The scale of the outbreak is determined by local conditions in the foci of reproduction. The current global warming is characterized by an unstable, drastically varying climate with a trend toward aridity in many regions. If this trend persists for several decades, we may expect an increase in the periods ofC. talicus mass reproduction and in the persistency and extent of damage inflicted by locusts on vast Palearctic areas. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Cyclicity and some characteristics of mass reproduction ofCalliptamus italicus L. in Southern Russia

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Publisher
Springer Journals
Copyright
Copyright © 2000 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1007/BF02799725
Publisher site
See Article on Publisher Site

Abstract

Analysis of the reproductive dynamics ofCalliptamus italicus during the past 100 years confirmed the dependence of locust invasions on the 11-year cycles of solar activity, which was previously known for other gregarious locusts. Over a considerable part of the species range, the onset of mass reproduction is promoted by a hot and droughty spring and summer. The scale of the outbreak is determined by local conditions in the foci of reproduction. The current global warming is characterized by an unstable, drastically varying climate with a trend toward aridity in many regions. If this trend persists for several decades, we may expect an increase in the periods ofC. talicus mass reproduction and in the persistency and extent of damage inflicted by locusts on vast Palearctic areas.

Journal

Russian Journal of EcologySpringer Journals

Published: Dec 27, 2007

References

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