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Aquatic oligochaeta (Annelida: Clitellata) in extractive reserve Lake Cuniã, Western Brazilian Amazon Biota Neotropica
Gomes,Diego Ferreira; Sanches,Nathalie Aparecida Oliveira; Sahm,Lucas Henrique; Gorni,Guilherme Rossi.
Abstract Oligochaeta is one of the most common and abundant taxon in continental aquatic fauna. However, knowledge of their distribution in Brazilian ecosystems is still incomplete and fragmented. Thus, the aim of this study was to develop an inventory of aquatic oligochaetes in the Extractive Reserve of Lake Cuniã in the State of Rondônia, Brazil. Collections of data were performed during the dry (August 2015) and rainy seasons (February 2016). The sediment samples were collected near the lakeside region using the kick sampling method and a kick-net sampler (mesh size of 0.25mm). This paper provides a catalog with 12 taxon from a total of 383 specimens, distributed into two families: Naididae (95.08%) and Opistocystidae (4.92%). The Pristininae subfamily...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversity; Aquatic macroinvertebrates; Amazon region; Microdrili.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032017000100305
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Oligochaeta (Annelida: Clitellata) em córregos de baixa ordem do Parque Estadual de Campos do Jordão (São Paulo - Brasil) Biota Neotropica
Gorni,Guilherme Rossi; Alves,Roberto da Gama.
O objetivo desse artigo foi inventariar as espécies de oligoquetos limnícolas que habitam córregos do Parque Estadual de Campos do Jordão (PECJ). As amostras revelaram 2302 indivíduos, distribuídos em três famílias (Naididae, Enchytraeidae, Tubificidae). Foram inventariadas 17 espécies, sendo elas: Achaeta sp., Allonais paraguayensis, Chaetogaster diastrophus, Nais communis, Nais variabilis, Pristina biserrata, Pristina leidyi, Pristina proboscidea, Pristinella jenkinae, Pristinella longidentata, Pristinella minuta, Pristinella notopora, Pristinella osborni, Pristinella sima, Aulodrilus limnobius, Botrioneurum sp. e Limnodrilus hoffmeisteri. O número total de espécies encontrado representa 24% de todas as espécies de oligoquetos registrados em diversos...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Oligoquetos aquáticos; Córregos de montanha; Inventário de espécies; Parque Estadual de Campos do Jordão - SP.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032008000400016
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Naididae (Annelida, Oligochaeta) associated with briophytes in Brotas, State of São Paulo, Brazil Zoologia
Gorni,Guilherme Rossi; Alves,Roberto da Gama.
Mosses and liverworts can be colonized by various invertebrates, including fresh water oligochaete worms. However, little information is available on the habits and habitats of this oligochaetes in Brazil. Therefore, the present study was undertaken to examine the occurrence of naidids in mosses, as well as to broaden the knowledge about the habitats of these oligochaetes. Sampling of bryophytes adhered to rock substrates in the rapids of the Jacaré Pepira River (municipality of Brotas, São Paulo, Brazil) and to a vertical rock wall of a waterfall near the river revealed 191 Naididae individuals of the species Naiscommunis Piguet, 1906, Pristinellajenkinae (Stephenson, 1931) and Pristinellamenoni (Aiyer, 1929). We believe this to be the first record of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Associated fauna; Mosses; Oligochaete worms; Nais; Pristinella.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000200036
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Description of diet of pelagic fish in the southwestern Atlantic, Brazil Biota Neotropica
Gorni,Guilherme Rossi; Goitein,Roberto; Amorim,Alberto Ferreira de.
This study reveals the food composition of pelagic fishes living in the southwestern Atlantic Ocean. As such more common pelagic species are considered to be top predators, the study proposes to know what constitutes their main food. Fish are not commonly found within their stomach contents, but instead, cephalopods are their most common food. As can be observed, Teuthida cephalopods compose their principal diet. The stomach contents of specimens of Xiphias gladius, Thunnus albacares, T. obesus, T. alalunga, Isurus oxyrinchus and Alopias superciliosus caught during July 2007 to June 2009 by using tuna longliners were studied. Teuthida cephalopods constitute the main food item for the three tuna species, while X. gladius feeds mainly on Ommastrephidae...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Top predators; Diet composition; Longline fishery; Stomach content analysis.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032013000100006
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Oligochaeta (Annelida: Clitellata) in the Juruena River, MT, Brazil: species indicators of substrate types Biota Neotropica
Gorni,Guilherme Rossi; Sanches,Nathalie Aparecida de Oliveira; Colombo-Corbi,Vanessa; Corbi,Juliano José.
Abstract: Oligochaeta assemblages are important components in freshwater environments, where their abundance and composition may indicate aspects related to water quality and sediment. The lack of information about these communities in Brazilian aquatic environments, as well as the application of native species as bioindicators of lotic environmental, stimulated the conception of this paper. Thus, the aim was to study the community of aquatic Oligochaeta in selected stretches of the Juruena River (MT), thereby generating grounds for future environmental monitoring action in lotic ecosystems. For this purpose, samples were analyzed at bimonthly intervals during the period from January to November 2009, in stretches of the Juruena River (Amazon River Basin)...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Freshwater oligochaetes; Bioindicators; Lotic environments; Freshwater environments.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032018000400206
Registros recuperados: 5
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