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23.05.2017 | Original Paper | Ausgabe 10/2017

Biodiversity and Conservation 10/2017

Limited effects of low-intensity forest management on ant assemblages in southwestern Amazonian forests

Zeitschrift:
Biodiversity and Conservation > Ausgabe 10/2017
Autoren:
Patrícia Nakayama Miranda, Fabricio Beggiato Baccaro, Elder Ferreira Morato, Marco Antônio Oliveira, Jacques Hubert Charles Delabie
Wichtige Hinweise
Communicated by Raphael K. Didham.

Electronic supplementary material

The online version of this article (doi:10.​1007/​s10531-017-1368-y) contains supplementary material, which is available to authorized users.
This article belongs to the Topical Collection: Forest and plantation biodiversity.

Abstract

One important strategy to conciliate forest conservation and economic development is the use of reduced-impact logging techniques. Here we evaluated the effects of low-intensity forest management on ant assemblages and vegetation structure in a managed area in the southeast of Acre State, Brazil. Ground-dwelling and arboreal ants, and several forest-structure descriptors were sampled in nine paired areas located in control (unlogged) and logged areas in 2005, 2007 and 2009. None of the forest structure predictors were related with either the treatment or the time since logging. However, some ant assemblage’ descriptors were related with logging activities. Arboreal and ground-dwelling ant species richness was similar between unlogged and logged areas, but more ground-dwelling ant species were found in areas logged in 2005 compared with areas logged in 2009. Ground-dwelling ant assemblage composition differed between treatments (logged and unlogged) and year of logging, but species composition heterogeneity was similar between areas. Arboreal ant assemblage composition was not related with treatment and year of logging, but assemblage composition was more heterogeneous in managed areas, suggesting that species that forage on the understory vegetation may be more resilient than ground-dwelling species. The general results of functional group approach suggest that changes of species composition between control and managed areas are more related with differences in ant species occurrence than ant species richness. Selective logging had limited effect on both vegetation descriptors and ant assemblage structure, suggesting that the conciliation of impact reduction techniques with low intensity extraction seems a promising alternative for sustainable logging activity in tropical forests.

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Zusatzmaterial
Supplementary material 1 (DOCX 38 kb)
10531_2017_1368_MOESM1_ESM.docx
Literatur
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