Non-random patterns of spider species composition in an Atlantic rainforest

Pinto-Leite, Clarissa Machado; Camacho, Agustín; Brazil, Tânia Kobler

doi:10.1636/ct07-123.1

Cited by 13 publications

(10 citation statements)

References 30 publications

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“…Studies performed (using different methodologies and sampling time) in Atlantic Forest fragments inserted in urban centers recorded: 170 species in Salvador (Melo et al 2011), 166 species in João Pessoa , 151 species in Recife (Peres et al 2007) and 46 species in São Paulo (Candiani et al 2005). A survey conducted in a fragment of Atlantic Forest in the RMS, but outside the urban matrix, found 130 species (Pinto-Leite et al 2008). These results show that a richness of 164 species found in the MRS is rather similar to the values observed in other metropolis of the Brazilian Northeast.…”

Section: Spidersmentioning

confidence: 99%

Ants (Formicidae) and Spiders (Araneae) listed from the Metropolitan Region of Salvador, Brazil

Melo¹,

Peres²,

Chavari³

et al. 2014

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We present an ant and spider species list from five localities of the Metropolitan Region of Salvador (MRS). The MRS is placed in an Atlantic Forest area classified as dense broadleaf forest, considered to be of high biological importance and priority for conservation. We determined 198 species of ants (8 of these are considered to be synanthropic and/or exotic), distributed across nine subfamilies. We determined 164 species of spiders (14 of them being synanthropic and/or exotic), distributed across thirty families. Therefore, this survey shows that the urban environment of the MRS still harbors a large number of native fauna species.

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Section: Spidersmentioning

confidence: 99%

Ants (Formicidae) and Spiders (Araneae) listed from the Metropolitan Region of Salvador, Brazil

Melo¹,

Peres²,

Chavari³

et al. 2014

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“…These field surveys generally studied soil and leaf litter spiders using pitfall traps, Berlese funnel or Winkler extractor. PINTO-LEITE et al (2008) sampled spiders in Mata de São João by beating on bushes and by performing visual searches followed by hand collecting during the day. OLIVEIRA-ALVES et al (2005) sampled spiders in Parque Metropolitano de Pituaçu, an Atlantic forest remnant in Salvador using nocturnal hand collection and foliage beating.…”

Section: Discussionmentioning

confidence: 99%

Modeling distribution of Phoneutria bahiensis (Araneae: Ctenidae): an endemic and threatened spider from Brazil

Días¹,

Simó²,

Castellano³

et al. 2011

Zoologia (Curitiba, Impr.)

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ABSTRACT. Phoneutria bahiensis Simó & Brescovit, 2001 is a large ctenid spider inhabiting the states of Bahia and Espírito Santo, Brazil. Considering that it is probably endemic, this species was included in the Brazilian red book of threatened species. Here, we predict the distribution range of P. bahiensis using 19 bioclimatic variables in the model design. The most septentrional record for this spider was indicated for northern Bahia. The model predicts that the distribution range covers the Atlantic Forest from the state of Paraíba to Rio de Janeiro, with the best suitable area in the Atlantic Forest of the state of Bahia. The bioclimatic variable with the best contribution to the model was precipitation in the driest quarter. Based on collected data, the species inhabits Ombrophilous Forests and Restinga vegetation, two ecosystems of the Atlantic Forest biome. In the best-predicted area of distribution, eleven Conservation Units were included. This information could be considered for future conservation plans of this species.

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“…Si bien las técnicas de colectas de arañas son variadas, los niveles de riqueza observados en las selvas de yungas resultaron equivalentes a los observados en otros estudios en otras áreas subtropicales de Argentina y sur de Brasil, como también áreas de Buenos Aires y Uruguay (Pérez-Miles et al, 1999;Rodrigues, 2005;Nogueira et al, 2006;Avalos et al, 2007Avalos et al, , 2009Avalos et al, , 2013Bonaldo et al, 2007;Podgaiski et al, 2007;Rubio et al, 2008;Rubio & Moreno, 2010;Grismado et al, 2011;Baldissera et al, 2012). Asimismo, la riqueza específica obtenida en esta investigación no difiere a las observadas en otros estudios realizados en selvas tropicales amazónicas (Höfer, 1990;Raizer et al, 2005;Machado Pinto-Leite et al, 2008;Ricetti & Bonaldo, 2008;Bonaldo & Dias, 2010;Carvalho & Avelino, 2010). Aunque en un marco menos comparable, en Argentina existen estudios sobre ecología de comunidades de arañas en agroecosistemas que revelaron niveles de riqueza más bajos, debido sin duda a la pérdida de la heterogeneidad del paisaje: cultivos de soja (Liljesthrom et al, 2002;Beltramo et al, 2006), y alfalfa (Armendano & González, 2010).…”

Section: Discusión Y Conclusionesunclassified

Diversidad de arañas (Araneae, Araneomorphae) en la selva de montaña: un caso de estudio en las Yungas Argentinas

Rubio¹

2015

GRAELLSIA

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RESUMENSe estudia la diversidad de arañas de vegetación de las yungas del noroeste argentino, integrando dos escalas: local (diversidad α, estructura de comunidades) y su proyección a diversidad regional (diversidad β). Se muestrearon 26 sitios en la provincia de Salta, representando diferentes ambientes/pisos altitudinales de yungas sensu stricto (SP= selva pedemontana, SM= selva montana, BM= bosque montano), yungas sensu lato (Cc-s= conectividad entre centro y sur de yungas, YT= yungas en transición) y sitios de Chaco Serrano (ChS) como contraste. Se realizaron muestreos estacionales durante un año, tomando 10 muestras con G-Vac (aspirador entomológico) sobre vegetación. Se obtuvo un total de 6412 ejemplares, representando 188 especies y 34 familias (sólo yungas). Theridiidae, Anyphaenidae y Linyphiidae fueron dominantes. La mayor riqueza correspondió a Araneidae, Salticidae y Theridiidae. Especies dominantes fueron Chibchea salta (Pholcidae), Dubiaranea msp111 (Linyphiidae) y Mysmena msp110 (Mysmenidae). Diferencias relevantes en composición y abundancia separan dos grupos de ambientes: (Cc-s+SP+YT+ChS) vs. (SM+BM). Dictynidae, Oxyopidae y Philodromidae se asocian a pisos de menor altitud (Cc-s, YT, ChS). Los ambientes SP y YT contienen la mayor riqueza específica y diversidad, mientras que SM y BM presentaron la mayor similitud. En Cc-s y ChS se observaron las mayores diferencias con los demás ambientes, excepto SP. La complementariedad y coeficientes e índices de similitud revelaron alta diversidad β en la región. En consecuencia, se sugiere que además de reforzar la protección en los pisos transicionales de yungas (hábitats más deteriorados y diversos para las arañas), la gestión de conservación debería estar orientada en toda el área a promover la heterogeneidad espacial natural de las Yungas, haciendo especial hincapié en el mosaico de hábitats que constituyen cada estrato diferente.Palabras clave: Araneae; diversidad de arañas; ecología de comunidades; Yungas. ABSTRACT Spider diversification (Araneae, Araneomorphae) in mountain rainforest: a case study in the Argentine YungasThe spider diversity from yungas vegetation in northwestern Argentina is studied, integrating two levels: local (α diversity, community structures) and a projection at regional level of diversity (β diversity). Twenty six sites in Salta Province were sampled, representing different ambient/altitudinal strata of yungas sensu stricto (SP= pedemontane rainforest, SM= montane rainforest and BM= montane forest), yungas sensu lato (Cc-s= yungas central and southern sectors connectivity areas, YT= transitional yungas), and Chaco Serrano sites (ChS) as contrast. The sampling was carried out seasonally for one year taking 10 samples of vegetation with G-Vac method. A total of 6412 spiders, 188 species and 34 families were obtained (only yungas). Theridiidae, Anyphaenidae and Linyphiidae were dominant. The highest richness was observed in Araneidae, Salticidae and Theridiidae. Chibchea salta (Pholcidae), Dubiaranea msp111 (Linyphiidae) and My...

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Non-random patterns of spider species composition in an Atlantic rainforest

Cited by 13 publications

References 30 publications

Ants (Formicidae) and Spiders (Araneae) listed from the Metropolitan Region of Salvador, Brazil

Ants (Formicidae) and Spiders (Araneae) listed from the Metropolitan Region of Salvador, Brazil

Modeling distribution of Phoneutria bahiensis (Araneae: Ctenidae): an endemic and threatened spider from Brazil

Diversidad de arañas (Araneae, Araneomorphae) en la selva de montaña: un caso de estudio en las Yungas Argentinas

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