Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)

This paper aimed to carry out, through passive collection, a survey of Crustacea Decapoda species present in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil), during spring season of 2009. The collections were carried out in five sites, distributed over the final 10km of the river, using...

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Main Authors: Rafael Ribeiro Teixeira, Erminda da Conceição Guerreiro Couto
Format: Article
Language:English
Published: Universidade Federal de Santa Catarina 2012-11-01
Series:Biotemas
Subjects:
Online Access:http://www.biotemas.ufsc.br/volumes/pdf/volume254/149a156.pdf
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author Rafael Ribeiro Teixeira
Erminda da Conceição Guerreiro Couto
author_facet Rafael Ribeiro Teixeira
Erminda da Conceição Guerreiro Couto
author_sort Rafael Ribeiro Teixeira
collection DOAJ
description This paper aimed to carry out, through passive collection, a survey of Crustacea Decapoda species present in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil), during spring season of 2009. The collections were carried out in five sites, distributed over the final 10km of the river, using traps containing biological bait left underwater for 15h. To assess the abiotic variables, temperature, pH, and conductivity values were measured. A total of 135 individuals was registered, belonging to three species: the shrimps Macrobrachium acanthurus (Wiegmann, 1836) and M. olfersi (Wiegman, 1836), besides the crab Trichodactylus fluviatilis Latreille, 1828. In addition to these, two other crab species were collected: Goniopsis cruentata (Latreille, 1803) and Panopeus lacustris Desbonne, 1867. The highest values were registered in P4 (34.07% of individuals), P1 (23.70%), and P3 (22.96%). Temperature and pH presented a small variation throughout the analyses (respectively, 5.1-5.8 and 25.7-29.1°C). In turn, conductivity differed the estuary point (P5) from the other ones (respectively, 886mS and 41-48mS). No individual was registered in P2. The distribution of species was related to the type of microhabitat and the habit of each of them.
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spelling doaj.art-dca1701fc6cf468599d873cd758fb5d52022-12-21T18:46:12ZengUniversidade Federal de Santa CatarinaBiotemas0103-16432012-11-01254149156Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)Rafael Ribeiro TeixeiraErminda da Conceição Guerreiro CoutoThis paper aimed to carry out, through passive collection, a survey of Crustacea Decapoda species present in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil), during spring season of 2009. The collections were carried out in five sites, distributed over the final 10km of the river, using traps containing biological bait left underwater for 15h. To assess the abiotic variables, temperature, pH, and conductivity values were measured. A total of 135 individuals was registered, belonging to three species: the shrimps Macrobrachium acanthurus (Wiegmann, 1836) and M. olfersi (Wiegman, 1836), besides the crab Trichodactylus fluviatilis Latreille, 1828. In addition to these, two other crab species were collected: Goniopsis cruentata (Latreille, 1803) and Panopeus lacustris Desbonne, 1867. The highest values were registered in P4 (34.07% of individuals), P1 (23.70%), and P3 (22.96%). Temperature and pH presented a small variation throughout the analyses (respectively, 5.1-5.8 and 25.7-29.1°C). In turn, conductivity differed the estuary point (P5) from the other ones (respectively, 886mS and 41-48mS). No individual was registered in P2. The distribution of species was related to the type of microhabitat and the habit of each of them.http://www.biotemas.ufsc.br/volumes/pdf/volume254/149a156.pdfMacrobrachium acanthurusMacrobrachium olfersiPassive collectionSpatial distributionTrichodactylus fluviatilis
spellingShingle Rafael Ribeiro Teixeira
Erminda da Conceição Guerreiro Couto
Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)
Biotemas
Macrobrachium acanthurus
Macrobrachium olfersi
Passive collection
Spatial distribution
Trichodactylus fluviatilis
title Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)
title_full Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)
title_fullStr Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)
title_full_unstemmed Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)
title_short Crustacea Decapoda captured through a passive collection in a stretch of Rio dos Mangues (Porto Seguro – Bahia – Brazil)
title_sort crustacea decapoda captured through a passive collection in a stretch of rio dos mangues porto seguro bahia brazil
topic Macrobrachium acanthurus
Macrobrachium olfersi
Passive collection
Spatial distribution
Trichodactylus fluviatilis
url http://www.biotemas.ufsc.br/volumes/pdf/volume254/149a156.pdf
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