Diversity and structure of Ephemeroptera, Plecoptera and Trichoptera (Insecta) assemblages from riffles in mountain streams of Central Brazil

Bispo, Pitágoras da Conceição; Oliveira, Leandro Gonçalves

doi:10.1590/s0101-81752007000200004

Cited by 61 publications

(58 citation statements)

References 22 publications

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“…These results emphasize that these mountainous regions of the state of São Paulo harbour a high diversity of aquatic insects, as demonstrated in several studies (Bispo and Oliveira, 2007;Spies and Froehlich, 2009;Siegloch, 2010). Thus, the high proportion of Coleoptera and other insects is possibly related to peculiarities of local conditions such as altitude and vegetation formations (Tropical and Mixed Rain Forest) and especially by the state of preservation of the regions concerned.…”

Section: Discussionsupporting

confidence: 70%

Water beetles in mountainous regions in southeastern Brazil

et al. 2012

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Inventories provide information on the state of biodiversity at a site or for a geographic region. Species inventories are the basis for systematic study and critical to ecology, biogeography and identification of biological indicators and key species. They also provide key information for assessments of environmental change, for natural resource conservation or recovery of degraded ecosystems. Thus, inventories play a key role in planning strategies for conservation and sustainable use. This study aimed to inventory the fauna of water beetles, larvae and adults, in two mountainous regions in the state of São Paulo, in Serra da Mantiqueira (Parque Estadual de Campos do Jordão and Pindamonhangaba region) and in Serra do Mar (Santa Virgínia and Picinguaba Divisions) as well as to generate information about the habitats used by the different genera recorded. Specimens were collected in lotic and lentic systems, between the years 2005 to 2010. In total 14,492 specimens were collected and 16 families and 50 genera of Coleoptera were identified. This study in mountainous regions showed a significant portion of the faunal composition of South America and the state of São Paulo. The composition of the fauna, in terms of richness and abundance by family, indicated the predominance of Elmidae, followed by Hydrophilidae and Dytiscidae. Despite the diversity found, the results of estimated richness indicated the need for additional sampling effort for both regions, since the curves of estimated richness did not reach an asymptote, suggesting that new species can be found in future surveys.

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Section: Discussionsupporting

confidence: 70%

Water beetles in mountainous regions in southeastern Brazil

et al. 2012

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“…The high richness of Ephemeroptera found in this study is highlighted by comparison with other studies of different environments and regions of Brazil, based only on sampling nymphs (e.g., Crisci-Bispo et al 2007;Bispo & Oliveira 2007;Siegloch et al 2008;Righi-Cavallaro et al 2010). These re-Revista Brasileira de Entomologia 56(4): 473-480, dezembro, 2012 sults emphasize that the mountainous regions of São Paulo State harbor a high diversity of aquatic insects, as demonstrated also in studies of Trichoptera (Spies & Froehlich 2009) and Coleoptera (Segura et al 2012).…”

Section: Discussionsupporting

confidence: 75%

Diversity of Ephemeroptera (Insecta) of the Serra da Mantiqueira and Serra do Mar, southeastern Brazil

Siegloch¹,

Froehlich²,

Spies³

2012

Rev. Bras. entomol.

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ABSTRACT. Diversity of Ephemeroptera (Insecta) of the Serra da Mantiqueira and Serra do Mar, southeastern Brazil. The aim of this study was to inventory the mayfly fauna, based on nymphal and alate stages, in Serra da Mantiqueira and in Serra do Mar, São Paulo State, as well as to present information about habitats used by the genera. Nymphs were collected in several streams and mesohabitats with a Surber sampler and the winged stages with light attraction methods, entomological nets, and Malaise traps. In all, eight families and 33 genera were recorded, representing a very significant portion of the Brazilian fauna (80% of families and 49% of genera). Furthermore, it was possible to identify 11 species, of which two are new records for the state: Tricorythodes santarita Traver and Caenis reissi Malzacher. Despite the high diversity recorded, the accumulation curves presented an ascending form, indicating an increase in the number of genera with additional sampling effort. The high richness found in these areas are in agreement with the high biodiversity of the Atlantic Forest biome and the sampling effort employed, which included the use of different methods, the collection of both nymphs and winged stages, and the sampling of a large area with diverse streams and habitats.

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“…Food resources and climate conditions vary in space and time, directly affecting the diversity and distribution of insect populations (Morais et al 1999;Kittelson 2004;Bispo et al 2006;Bispo & Oliveira 2007;Goldsmith 2007). Climate is one of the determining factors in insect population fluctuations during the year (Wolda 1978;Torres & Madi-Ravazzi 2006).…”

mentioning

confidence: 99%