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Effect of elevation on spatio-temporal patterns of olive fly (Bactrocera oleae) populations in northern Greece
Year:
2008
Source of publication :
Journal of Applied Entomology
Authors :
Cohen, Yafit
;
.
Nestel, David
;
.
Volume :
132
Co-Authors:
Kounatidis, I., Department of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece
Papadopoulos, N.T., Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Volos, Greece
Mavragani-Tsipidou, P., Department of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece
Cohen, Y., Institute of Agricultural Engineering, Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel
Tertivanidis, K., Prefectural Administration of Chalkidiki, Halkidiki, Greece
Nomikou, M., Prefectural Administration of Chalkidiki, Halkidiki, Greece
Nestel, D., Institute of Plant Protection, Volcani Center, Bet-Dagan, Israel, Institute of Plant Protection, Volcani Center, P.O. Box 6, Bet-Dagan 50250, Israel
Facilitators :
From page:
722
To page:
733
(
Total pages:
12
)
Abstract:
The spatio-temporal patterns of olive fly populations in a managed olive-growing region in the area of Chalkidiki in northern Greece were followed during 2005. The trapping grid consisted of 700 traps. Throughout the growing season (July-October), McPhail traps loaded with ammonium sulphate were inspected at 5-day intervals. Trapping data were analysed using Getis-Ord local spatial statistics. Clustering of trapped flies was significantly related to elevation, which ranged from sea level to 700 m above sea level. The effect of elevation upon clustering depended on seasonal climatic patterns. During the summer, 'hot-spots' (i.e. significant aggregations of captured insects) were located at intermediate to high elevations and 'cold-spots' (i.e. areas with significantly low numbers of captured insects) were found in the valleys. In contrast, during the fall, 'hot-spots' were detected at lower elevations and 'cold-spots' at higher elevations. Population phenology seemed to affect spatial patterns. During periods of low population levels across the entire region, clusters of traps with relatively high amounts of captured insects were found at lower elevations. Pest management activities may have affected population levels throughout the region, but our data set does not allow quantifying their effectiveness. Our data suggest that differences in environmental temperature, as a result of altitudinal cline and season, may affect both the size of the olive fly population and its spatial patterns. The implementation of spatio-temporal analyses for management of the olive fly is discussed. © 2008 The Authors.
Note:
Related Files :
Chalcidice [(DPR) Central Macedonia]
Dispersion patterns
pest control
Regional management
Seasonal Variation
temperature
temperature effect
Show More
Related Content
More details
DOI :
10.1111/j.1439-0418.2008.01349.x
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
30371
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:54
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Scientific Publication
Effect of elevation on spatio-temporal patterns of olive fly (Bactrocera oleae) populations in northern Greece
132
Kounatidis, I., Department of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece
Papadopoulos, N.T., Department of Agriculture, Crop Production and Rural Environment, University of Thessaly, Volos, Greece
Mavragani-Tsipidou, P., Department of Genetics, Development and Molecular Biology, School of Biology, Aristotle University of Thessaloniki (AUTH), Thessaloniki, Greece
Cohen, Y., Institute of Agricultural Engineering, Agricultural Research Organization, Volcani Center, Bet-Dagan, Israel
Tertivanidis, K., Prefectural Administration of Chalkidiki, Halkidiki, Greece
Nomikou, M., Prefectural Administration of Chalkidiki, Halkidiki, Greece
Nestel, D., Institute of Plant Protection, Volcani Center, Bet-Dagan, Israel, Institute of Plant Protection, Volcani Center, P.O. Box 6, Bet-Dagan 50250, Israel
Effect of elevation on spatio-temporal patterns of olive fly (Bactrocera oleae) populations in northern Greece
The spatio-temporal patterns of olive fly populations in a managed olive-growing region in the area of Chalkidiki in northern Greece were followed during 2005. The trapping grid consisted of 700 traps. Throughout the growing season (July-October), McPhail traps loaded with ammonium sulphate were inspected at 5-day intervals. Trapping data were analysed using Getis-Ord local spatial statistics. Clustering of trapped flies was significantly related to elevation, which ranged from sea level to 700 m above sea level. The effect of elevation upon clustering depended on seasonal climatic patterns. During the summer, 'hot-spots' (i.e. significant aggregations of captured insects) were located at intermediate to high elevations and 'cold-spots' (i.e. areas with significantly low numbers of captured insects) were found in the valleys. In contrast, during the fall, 'hot-spots' were detected at lower elevations and 'cold-spots' at higher elevations. Population phenology seemed to affect spatial patterns. During periods of low population levels across the entire region, clusters of traps with relatively high amounts of captured insects were found at lower elevations. Pest management activities may have affected population levels throughout the region, but our data set does not allow quantifying their effectiveness. Our data suggest that differences in environmental temperature, as a result of altitudinal cline and season, may affect both the size of the olive fly population and its spatial patterns. The implementation of spatio-temporal analyses for management of the olive fly is discussed. © 2008 The Authors.
Scientific Publication
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