Diversidade de espécies dos gêneros de Crematogaster, Gnamptogenys e Pachycondyla (Hymenoptera: Formicidae) e complementaridade dos métodos de coleta durante a estação seca numa estação ecológica no estado do Pará, Brasil

Souza, Jorge Luiz Pereira; Moura, Carlos Alberto Ribeiro de; Harada, Ana Yoshi; Franklin, Elizabeth

doi:10.1590/s0044-59672007000400022

Cited by 21 publications

(25 citation statements)

References 27 publications

(32 reference statements)

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“…Previous studies conducted in Central Amazonia showed patterns similar to those described here. (Vasconcelos et al, 2003). However, this pattern also seems to occur in other parts of the Amazon forest.…”

Section: Resultsmentioning

confidence: 85%

“…As previous studies point out (Vasconcelos et al, 2003;Costa et al, 2005), it is not clear if these results originated from a direct effect of soil texture, of water drainage or from a combination of these variables. Variation in soil texture is closely related to the topography in the region of Manaus Table 3.…”

Section: Resultsmentioning

confidence: 87%

“…However, this pattern also seems to occur in other parts of the Amazon forest. For instance, Souza et al (2007) detected correlation between clay content and the ant community structure in a relatively flat terrain forest located in Estação Ecológica de Caxiuanã, in eastern Amazonia. Figures 2 and 3 show the relative frequency of species of ten subfamilies sampled along the environmental gradients.…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, the amount of litter on the ground is usually lower in valleys and slope areas (Luizão et al, 2004). Litter is an important resource for nesting sites and food, and, in conjunction with moisture availability, it can generate microhabitat variability, which may affect demographic patterns in ground-dwelling ant assemblages (Vasconcelos et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

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Ant species distribution along a topographic gradient in a "terra-firme" forest reserve in Central Amazonia

Oliveira

Souza

Baccaro³

et al. 2009

Pesq. agropec. bras.

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-In Amazonia, topographical variations in soil and forest structure within "terra-firme" ecosystems are important factors correlated with terrestrial invertebrates' distribution. The objective of this work was to assess the effects of soil clay content and slope on ant species distribution over a 25 km 2 grid covering the natural topographic continuum. Using three complementary sampling methods (sardine baits, pitfall traps and litter samples extracted in Winkler sacks), 300 subsamples of each method were taken in 30 plots distributed over a wet tropical forest in the Ducke Reserve (Manaus, AM, Brazil). An amount of 26,814 individuals from 11 subfamilies, 54 genera, 85 species and 152 morphospecies was recorded (Pheidole represented 37% of all morphospecies). The genus Eurhopalothrix was registered for the first time for the reserve. Species number was not correlated with slope or clay content, except for the species sampled from litter. However, the Principal Coordinate Analysis indicated that the main pattern of species composition from pitfall and litter samples was related to clay content. Almost half of the species were found only in valleys or only on plateaus, which suggests that most of them are habitat specialists. In Central Amazonia, soil texture is usually correlated with vegetation structure and moisture content, creating different microhabitats, which probably account for the observed differences in ant community structure.

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Section: Resultsmentioning

confidence: 85%

Section: Resultsmentioning

confidence: 87%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ant species distribution along a topographic gradient in a "terra-firme" forest reserve in Central Amazonia

Oliveira

Souza

Baccaro³

et al. 2009

Pesq. agropec. bras.

Self Cite

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“…Na realização de levantamentos da diversidade de formigas, tem-se sugerido a utilização de mais de um método de coleta para obtenção da maior quantidade possível de espécies, fazendo com que os dados observados aproximem-se dos valores reais sobre a riqueza e a diversidade de táxons dos ambientes estudados (SOUZA et al, 2007;BOSCARDIN et al, 2013). Para tanto, várias são as metodologias de capturas, entre elas estão a coleta direta, o uso de aspiradores de sucção, iscas atrativas, armadilha de queda, de solo ou pitfall e extratores de Winkler (BESTELMEYER et al, 2000).…”

Section: Introductionunclassified

Composição da assembleia de formigas em área de savana no norte da Amazônia

Júnior

Lima

Cidade³

et al. 2017

AGRO@MBIENTE ON-LINE

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Resumo: Os formicídeos constituem um dos grupos mais importante de insetos sociais do solo, apontados como potenciais indicadores biológicos da degradação ambiental e fornecedores de informações importantes em planos de manejo e conservação de uma dada região. Assim, objetivou-se com este trabalho inventariar a composição da assembleia de formigas e estabelecer as espécies predominantes, utilizando dois diferentes métodos de coleta (pitfall e isca de sardinha), em ecossistema de savana amazônica. Abstract:The formicidae comprise one of the most important groups of social soil insects, identified as potential biological indicators of environmental degradation, and which provide important information in the management and conservation plans for any given region. The aim of this work therefore, was to inventory the composition of ant assembly and establish the predominant species, using two different collection methods (pitfall trap and sardine bait), in a savannah ecosystem of the Amazon. The ants were collected at six different times from December 2010 to January 2011. There were 12 plots, each 250 m in length, in which there were 10 sampling points spaced 25 m apart. At each point, two collection methods were used: pitfall trap and sardine bait, giving 120 subsamples per method. After collection, the samples were taken to the Aquatic Invertebrate Laboratory of the Centre for Biodiversity (CBIO/UFRR) for sorting, and the specimens placed into bottles containing 70% alcohol for later taxonomic classification. Identification of the formicidae as to species and morphospecies was carried out at the National Research Institute of the Amazon (INPA). All materials were deposited in the invertebrate collection of INPA. It was found that the genera with greater occurrence were Camponotus, Crematogaster and Dorymyrmex, while those with the greatest species richness were Pheidole, Solenopsis and Camponotus. The species Crematogaster abstinens and Camponotus novogranadensis were predominant in the area of savannah under study. This is the first record of Kalathomyrmex emeryi in the State of Roraima. The collections made with pitfall traps were more efficient for evaluating ant richness.

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Effectiveness of genera as a higher-taxon substitute for species in ant biodiversity analyses is not affected by sampling technique

et al. 2018

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Diversidade de espécies dos gêneros de Crematogaster, Gnamptogenys e Pachycondyla (Hymenoptera: Formicidae) e complementaridade dos métodos de coleta durante a estação seca numa estação ecológica no estado do Pará, Brasil

Cited by 21 publications

References 27 publications

Ant species distribution along a topographic gradient in a "terra-firme" forest reserve in Central Amazonia

Ant species distribution along a topographic gradient in a "terra-firme" forest reserve in Central Amazonia

Composição da assembleia de formigas em área de savana no norte da Amazônia

Effectiveness of genera as a higher-taxon substitute for species in ant biodiversity analyses is not affected by sampling technique

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