NDLI: Fire effect on ground-foraging ant assemblages in northeastern Argentina

Content Provider	Springer Nature Link
Author	Calcaterra, Luis A. Blanco, Yamil Srur, Malena Bria, Juan
Copyright Year	2014
Abstract	Fire is an important component of many natural ecosystems affecting plant communities and arthropods by mortality during combustion and/or indirectly through the modification of the habitat. The Iberá Natural Reserve (INR) is one of the most diverse ecosystems in northern Argentina; it is dominated by grasslands commonly affected by disturbances, such as grazing and fire. The objective of this work was to study the response of ground-foraging ant assemblages, particular species, and functional groups to an extended fire of high intensity in four natural INR habitats with >5 years of cattle exclusion (strict conservation area). A total of 12,798 ant workers of 67 species were captured in 39 sampling stations. The ant fauna was less abundant in burned sites only a few days after the fire; 6 months later, no effect was detected. Richness and abundance of ants differed among unburned habitats. However, fire effect on species richness and composition remained unclear. The rapid recovery of the ant fauna made these insects poor indicators of long-term fire-promoted changes on biodiversity in open habitats dominated by grassland, though some ant species showed a high level of habitat fidelity mainly in unburned habitats. These results agree with those from other areas of the world, indicating that ants are particularly unreliable biodiversity indicators, with the exception of severe disturbance with long-term habitat restoration. Management decisions at the INR should be oriented to preserve the closed savanna, one of the most diverse and threatened habitat of Argentina.
Starting Page	339
Ending Page	352
Page Count	14
File Format	PDF
ISSN	1366638X
Journal	Journal of Insect Conservation
Volume Number	18
Issue Number	3
e-ISSN	15729753
Language	English
Publisher	Springer International Publishing
Publisher Date	2014-06-20
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Disturbance ecology Functional groups Fire Ant assemblages Conservation management 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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