NDLI: Influence of landscape structure and land use on Merodon and Cheilosia (Diptera: Syrphidae): contrasting responses of two genera

Content Provider	Springer Nature Link
Author	Jovičić, Snežana Burgio, Giovanni Diti, Irene Krašić, Dušanka Markov, Zlata Radenković, Snežana Vujić, Ante
Copyright Year	2017
Abstract	Recent advances in landscape ecology have revealed the importance of landscape structure on insect species diversity and composition. We investigated how landscape structure and land use influence species compositions of Cheilosia and Merodon (Diptera: Syrphidae); two phytophagus genera of hoverflies. Our study shows that Shannon’s Diversity Index, Connectance Index, Grazing Intensity, Mean Fractal Dimension Index and Percentage of Agricultural Patches explained 38.6% of the variance in species composition at a 2 km scale, with the total ordination being significant (P = 0.04, Monte Carlo test, 499 permutations). Merodon and Cheilosia species differ in their responses to land-use change and connectivity, with the latter genus being positively correlated with connectivity and negatively correlated with all other variables. We conclude that connectivity is the primary factor affecting Cheilosia, while most Merodon species demonstrated greater resistance to changes in human-modified ecosystems. Our results suggest that different management efforts, focused on land-use intensity (grazing) or connectivity, seem to be appropriate when trying to conserve these taxa.
Starting Page	53
Ending Page	64
Page Count	12
File Format	PDF
ISSN	1366638X
Journal	Journal of Insect Conservation
Volume Number	21
Issue Number	1
e-ISSN	15729753
Language	English
Publisher	Springer International Publishing
Publisher Date	2017-02-01
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hoverflies Landscape structure Connectivity Land use Entomology Conservation Biology/Ecology Biodiversity Animal Ecology Life Sciences
Content Type	Text
Resource Type	Article
Subject	Ecology Animal Science and Zoology Nature and Landscape Conservation Insect Science

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