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Temporal and vertical drosophilid (Insecta Diptera) assemblage fluctuations in a neotropical gallery forest.(Report)

Byline: Francisco Roque (1), Renata Alves Mata (2), Rosana Tidon (3) Keywords: Cerrado biome; Drosophila; Environmental complexity; Niche construction; Vertical distribution Abstract: The drosophilids of a gallery forest in the Brazilian savanna were investigated to identify the temporal and vertica... Full description

Journal Title: Biodiversity and Conservation March, 2013, Vol.22(3), p.657(16)
Main Author: Roque, Francisco
Other Authors: Mata, Renata Alves , Tidon, Rosana
Format: Electronic Article Electronic Article
Language: English
Subjects:
ID: ISSN: 0960-3115
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recordid: gale_ofa322872491
title: Temporal and vertical drosophilid (Insecta Diptera) assemblage fluctuations in a neotropical gallery forest.(Report)
format: Article
creator:
  • Roque, Francisco
  • Mata, Renata Alves
  • Tidon, Rosana
subjects:
  • Niches (Ecology)
  • Biomes
ispartof: Biodiversity and Conservation, March, 2013, Vol.22(3), p.657(16)
description: Byline: Francisco Roque (1), Renata Alves Mata (2), Rosana Tidon (3) Keywords: Cerrado biome; Drosophila; Environmental complexity; Niche construction; Vertical distribution Abstract: The drosophilids of a gallery forest in the Brazilian savanna were investigated to identify the temporal and vertical patterns in the community structure of these insects. Twelve monthly collections were performed (December 2007 to November 2008) in three vertical strata of the forest (0, 4 and 8 m heights) using 30 traps baited with fermented banana. The drosophilid assemblage was composed of 61 species (7,623 individuals), experienced temporal fluctuations and was vertically stratified. Both the diversity and abundance of the flies were very low during the dry season, a time when the assemblages were dominated by the exotic species Drosophila simulans, whereas the community showed an increased abundance and richness of neotropical species and showed vertical stratification in the wet season. Rare species were found primarily at the ground level (flies usually associated with neotropical forests) or in the canopy, which harbors species currently associated with open vegetation, little-studied neotropical species and most likely several new species. These changes, which reflect drosophilid adaptations to different environments, involve a shifting of the ecological niches occupied by the flies in the forest over time. This process of change is termed niche construction. Thus, we conclude that this complex and dynamic community structure, which is related to the interaction of several environmental factors associated with different forest environments, contributes to the high diversity of gallery forests in the Brazilian savanna. Author Affiliation: (1) PPG Biologia Animal, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (2) PPG Ecologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (3) Departamento de Genetica e Morfologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Caixa Postal 04457, Brasilia, DF, 70919-970, Brazil Article History: Registration Date: 21/01/2013 Received Date: 25/10/2012 Accepted Date: 20/01/2013 Online Date: 14/02/2013
language: English
source:
identifier: ISSN: 0960-3115
fulltext: fulltext
issn:
  • 0960-3115
  • 09603115
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titleTemporal and vertical drosophilid (Insecta Diptera) assemblage fluctuations in a neotropical gallery forest.(Report)
creatorRoque, Francisco ; Mata, Renata Alves ; Tidon, Rosana
ispartofBiodiversity and Conservation, March, 2013, Vol.22(3), p.657(16)
identifierISSN: 0960-3115
subjectNiches (Ecology) ; Biomes
descriptionByline: Francisco Roque (1), Renata Alves Mata (2), Rosana Tidon (3) Keywords: Cerrado biome; Drosophila; Environmental complexity; Niche construction; Vertical distribution Abstract: The drosophilids of a gallery forest in the Brazilian savanna were investigated to identify the temporal and vertical patterns in the community structure of these insects. Twelve monthly collections were performed (December 2007 to November 2008) in three vertical strata of the forest (0, 4 and 8 m heights) using 30 traps baited with fermented banana. The drosophilid assemblage was composed of 61 species (7,623 individuals), experienced temporal fluctuations and was vertically stratified. Both the diversity and abundance of the flies were very low during the dry season, a time when the assemblages were dominated by the exotic species Drosophila simulans, whereas the community showed an increased abundance and richness of neotropical species and showed vertical stratification in the wet season. Rare species were found primarily at the ground level (flies usually associated with neotropical forests) or in the canopy, which harbors species currently associated with open vegetation, little-studied neotropical species and most likely several new species. These changes, which reflect drosophilid adaptations to different environments, involve a shifting of the ecological niches occupied by the flies in the forest over time. This process of change is termed niche construction. Thus, we conclude that this complex and dynamic community structure, which is related to the interaction of several environmental factors associated with different forest environments, contributes to the high diversity of gallery forests in the Brazilian savanna. Author Affiliation: (1) PPG Biologia Animal, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (2) PPG Ecologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (3) Departamento de Genetica e Morfologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Caixa Postal 04457, Brasilia, DF, 70919-970, Brazil Article History: Registration Date: 21/01/2013 Received Date: 25/10/2012 Accepted Date: 20/01/2013 Online Date: 14/02/2013
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descriptionByline: Francisco Roque (1), Renata Alves Mata (2), Rosana Tidon (3) Keywords: Cerrado biome; Drosophila; Environmental complexity; Niche construction; Vertical distribution Abstract: The drosophilids of a gallery forest in the Brazilian savanna were investigated to identify the temporal and vertical patterns in the community structure of these insects. Twelve monthly collections were performed (December 2007 to November 2008) in three vertical strata of the forest (0, 4 and 8 m heights) using 30 traps baited with fermented banana. The drosophilid assemblage was composed of 61 species (7,623 individuals), experienced temporal fluctuations and was vertically stratified. Both the diversity and abundance of the flies were very low during the dry season, a time when the assemblages were dominated by the exotic species Drosophila simulans, whereas the community showed an increased abundance and richness of neotropical species and showed vertical stratification in the wet season. Rare species were found primarily at the ground level (flies usually associated with neotropical forests) or in the canopy, which harbors species currently associated with open vegetation, little-studied neotropical species and most likely several new species. These changes, which reflect drosophilid adaptations to different environments, involve a shifting of the ecological niches occupied by the flies in the forest over time. This process of change is termed niche construction. Thus, we conclude that this complex and dynamic community structure, which is related to the interaction of several environmental factors associated with different forest environments, contributes to the high diversity of gallery forests in the Brazilian savanna. Author Affiliation: (1) PPG Biologia Animal, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (2) PPG Ecologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (3) Departamento de Genetica e Morfologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Caixa Postal 04457, Brasilia, DF, 70919-970, Brazil Article History: Registration Date: 21/01/2013 Received Date: 25/10/2012 Accepted Date: 20/01/2013 Online Date: 14/02/2013
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abstractByline: Francisco Roque (1), Renata Alves Mata (2), Rosana Tidon (3) Keywords: Cerrado biome; Drosophila; Environmental complexity; Niche construction; Vertical distribution Abstract: The drosophilids of a gallery forest in the Brazilian savanna were investigated to identify the temporal and vertical patterns in the community structure of these insects. Twelve monthly collections were performed (December 2007 to November 2008) in three vertical strata of the forest (0, 4 and 8 m heights) using 30 traps baited with fermented banana. The drosophilid assemblage was composed of 61 species (7,623 individuals), experienced temporal fluctuations and was vertically stratified. Both the diversity and abundance of the flies were very low during the dry season, a time when the assemblages were dominated by the exotic species Drosophila simulans, whereas the community showed an increased abundance and richness of neotropical species and showed vertical stratification in the wet season. Rare species were found primarily at the ground level (flies usually associated with neotropical forests) or in the canopy, which harbors species currently associated with open vegetation, little-studied neotropical species and most likely several new species. These changes, which reflect drosophilid adaptations to different environments, involve a shifting of the ecological niches occupied by the flies in the forest over time. This process of change is termed niche construction. Thus, we conclude that this complex and dynamic community structure, which is related to the interaction of several environmental factors associated with different forest environments, contributes to the high diversity of gallery forests in the Brazilian savanna. Author Affiliation: (1) PPG Biologia Animal, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (2) PPG Ecologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Brasilia, DF, Brazil (3) Departamento de Genetica e Morfologia, Instituto de Ciencias Biologicas, Universidade de Brasilia, Caixa Postal 04457, Brasilia, DF, 70919-970, Brazil Article History: Registration Date: 21/01/2013 Received Date: 25/10/2012 Accepted Date: 20/01/2013 Online Date: 14/02/2013
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