Seasonality of Epigaeic Ant Communities in a Brazilian Atlantic Rainforest

Montine, Pâmella Souza Martins; Viana, Nicoly Faria; Almeida, Fábio Souto; Dátillo, Wesley Francisco da Cruz; Santanna, Alinne Silva; Martins, Luciano; Vargas, André Barbosa

doi:10.13102/sociobiology.v61i2.178-183

Cited by 13 publications

(9 citation statements)

References 30 publications

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“…Consonant results were observed in other studies (Braga et al, 2010;Cantarelli et al, 2015;Marinho et al, 2002). The use of other collection techniques and sampling in different vertical strata could provide the collection of more species of ants (Montine et al, 2014). Although the sampling effort was not enough to collect all ant species of the land-use systems, it is a common pattern in tropical ecosystems for the ant fauna and is related to the aggregated spatial distribution pattern of the species, the high diversity of the family Formicidae and the presence of rare species (Santos et al, 2006).…”

Section: Discussionsupporting

confidence: 65%

Diversity and Guilds of Ants in Different Land-Use Systems in Rio de Janeiro State, Brazil

et al. 2019

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This study aimed to evaluate the ant fauna in three different land-use systems: pasture, eucalyptus plantation and secondary forest, in southeastern Brazil. The ant fauna was collected with standardized pitfall traps. Forty-seven ant species were collected, belonging to 24 genera and six subfamilies. The total ant species richness was significantly higher in secondary forest (29 species) and eucalyptus plantation (25 species) when compared to the pasture (17 species), with no significant difference between the secondary forest and eucalyptus plantation. The species composition differed significantly between the three land-use systems. The frequency distributions of ant guilds in eucalyptus plantation and secondary forest differed significantly from the frequency in the pasture. The results demonstrated the importance of natural forests for the conservation of biological diversity of the Atlantic Forest, but they also indicated that eucalyptus plantations, with native understory plants, can harbor considerable ant diversity.

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Section: Discussionsupporting

confidence: 65%

Diversity and Guilds of Ants in Different Land-Use Systems in Rio de Janeiro State, Brazil

et al. 2019

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“…For instance, Grimbacher & Stork 14 found higher beetle diversity during the pre-wet season, Jacquemin, Roisin & Leponce 15 found higher litter and soil-dwelling ant richness during the dry season, while Montine et al . 16 did not find any significant difference in ant richness between the dry and rainy seasons. Interestingly, Marin et al .…”

Section: Introductionmentioning

confidence: 57%

Seasonal changes in the diversity and composition of the litter fauna in native forests and rubber plantations

Beng

Corlett

2018

Sci Rep

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The litter layer of tropical forests supports a significant fraction of total arthropod diversity and decomposition of this layer is the main pathway by which nutrients are returned to the soil and CO2 to the atmosphere. Conversion of tropical forests to agriculture is the main threat to biodiversity and ecosystem services, and understanding effects on the litter layer is important for understanding and mitigating these impacts. We used high through-put DNA sequencing of the mitochondrial cytochrome c oxidase subunit I (COI) gene to assess seasonal changes in the diversity and composition of the litter fauna at five matched pairs of native forests and rubber plantations in tropical SW China every month for a year, and measured the environmental factors expected to drive intra-annual variation. Forests and rubber had very different arthropod assemblages throughout the year, with forests more species-rich than rubber in all months except February. Very high rates of intra-annual turnover in species composition in both forests and rubber were associated with seasonality in environmental variables, with the influence of particular variables differing among taxa. Tropical arthropods are very sensitive to seasonality and sampling at only one time of the year captures only a subset of the total community.

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“…from Uruguay and Argentina to the United States, Wetterer 2010). In addition to TDFs, these species are found in distant fragments within different vegetation domains that have historically been degraded by human activity, which may favor the presence of generalist species (Montine et al 2014). Therefore, while most of the species present in TDFs located in different vegetation domains, the shared species are widespread and of very low conservation value and reinforce that TDFs are compositionally complementary across their ranges.…”

Section: Discussionmentioning

confidence: 98%

Ant diversity in Brazilian tropical dry forests across multiple vegetation domains

Silva

Souza

Solar

et al. 2017

Environ. Res. Lett.

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Understanding the environmental drivers of biodiversity persistence and community organization in natural ecosystems is of great importance for planning the conservation of those ecosystems. This comprehension is even more important in severely threatened ecosystems. In this context, we analyzed ant communities in tropical dry forests (TDFs) in Brazil. These forests are embedded within other biomes, such as Cerrado and Caatinga. In this study, we asked whether (i) ant species richness and composition changes between TDFs within different vegetation domains; (ii) whether ant species richness and b-diversity increase north-to-south, possibly related to changes in tree richness and tree density; and (iii) species replacement contributes relatively more to b-diversity than does nestedness. We found that species composition is unique to each TDF within different biomes, and that species richness and b-diversity differ among the vegetation domains, being smaller in the Caatinga. We also found that replacement contributes most to b-diversity, although this contribution is lower in Caatinga than in Cerrado. We show that regional context is the main driver of species diversity, which is likely to be driven by both historical and ecological mechanisms. By analyzing large spatial scale variation in TDF environmental characteristics, we were able to evaluate how ant diversity changes along an environmental gradient. The high levels of species replacement and unique species composition of each region indicates that, to fully conserve TDFs, we need to have various conservation areas distributed across the entire range of vegetation domains in which these forests can be found. Thus, we demonstrate that a landscape-wise planning is urgent and necessary in order to preserve tropical dry forests.

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Seasonality of Epigaeic Ant Communities in a Brazilian Atlantic Rainforest

Cited by 13 publications

References 30 publications

Diversity and Guilds of Ants in Different Land-Use Systems in Rio de Janeiro State, Brazil

Diversity and Guilds of Ants in Different Land-Use Systems in Rio de Janeiro State, Brazil

Seasonal changes in the diversity and composition of the litter fauna in native forests and rubber plantations

Ant diversity in Brazilian tropical dry forests across multiple vegetation domains

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