2010
DOI: 10.1590/s0044-59672010000200014
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Abstract: A preliminary survey of the spider fauna in natural and artificial forest gap formations at "Porto Urucu", a petroleum/natural gas production facility in the Urucu river basin, Coari, Amazonas, Brazil is presented. Sampling was conducted both occasionally and using a protocol composed of a suite of techniques: beating trays (32 samples), nocturnal manual samplings (48), sweeping nets (16), Winkler extractors (24), and pitfall traps (120). A total of 4201 spiders, belonging to 43 families and 393 morphospecies,… Show more

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Cited by 18 publications
(11 citation statements)
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“…Although the study area experience a subtropical climate, the richness and diversity of spiders were similar to some studies conducted in tropical regions (Bonaldo & Dias 2010, Cabra-Garcia et al 2010 and higher than other studies conducted in Brazilian subtropical regions (Baldissera et al 2004, Lopes et al 2008, Baldissera & Silva 2010. According to Baldissera et al (2008), variations in the structural complexity of each environment can influence the diversity of the araneofauna.…”
Section: Abudance and Diversity Of Spiders At The Parque Municipal Dasupporting
confidence: 78%
“…Although the study area experience a subtropical climate, the richness and diversity of spiders were similar to some studies conducted in tropical regions (Bonaldo & Dias 2010, Cabra-Garcia et al 2010 and higher than other studies conducted in Brazilian subtropical regions (Baldissera et al 2004, Lopes et al 2008, Baldissera & Silva 2010. According to Baldissera et al (2008), variations in the structural complexity of each environment can influence the diversity of the araneofauna.…”
Section: Abudance and Diversity Of Spiders At The Parque Municipal Dasupporting
confidence: 78%
“…A comparison of 19 spider inventories worldwide (Table 3) indicate that the richest forests are in the Neotropics with an average of 270.43 observed species per hectare; however, they present a large standard deviation +/-118.70 with Peru and Brazil as the richest places with 498 and 391 species, respectively. The completeness of these inventories has on average 68% with a standard deviation of +/-12%; with the most complete inventories at 83% (Bonaldo & Dias 2010;Castanheira et al 2016;Coddington et al 1991, Coddington et al 2009Ricetti & Bonaldo 2008;Rivera-Quiroz et al 2016;Silva-Davila & Coddington 1996). Paleotropical forests have on average 215.03 +/-121.71 species, with a completeness of 75.29% +/-5.9% (Malumbres-Olarte et al 2017, 2018Miller & Pham 2011;Sørensen 2004;Sørensen et al 2002).…”
Section: Discussionmentioning
confidence: 99%
“…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