2013
DOI: 10.1590/s1679-62252013000100020
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Abstract: Studies that investigate the relationship patterns between environmental structure complexity and fish fauna provide crucial information to stream restoration efforts. In order to test the hypothesis that streams with more complex environmental structure sustain more diverse and functionally more complex fish communities we sampled fish fauna from Sorocaba River headwater stream reaches (SE -Brazil). Reaches represented two distinct treatments: (1) a simplified reach, characterized by unstable fine substrate, … Show more

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Cited by 13 publications
(6 citation statements)
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“…Inter-specific competition for shelter, food and parturition sites could arise between non-native poeciliids and the livebearer endemic genus Phalloceros Eigenmann 1907 (Menezes et al, 2007) (Magalhães, Jacobi, 2013a), could be adversely affected. Species loss due to the influence of non-native poeciliids could be devastating because, according to Cruz et al (2013), in systems with few native fish species such as headwater creeks, the loss of a single species might represent the deletion of an entire component of the food chain, compromising ecosystem functioning.…”
Section: Discussionmentioning
confidence: 99%
“…Inter-specific competition for shelter, food and parturition sites could arise between non-native poeciliids and the livebearer endemic genus Phalloceros Eigenmann 1907 (Menezes et al, 2007) (Magalhães, Jacobi, 2013a), could be adversely affected. Species loss due to the influence of non-native poeciliids could be devastating because, according to Cruz et al (2013), in systems with few native fish species such as headwater creeks, the loss of a single species might represent the deletion of an entire component of the food chain, compromising ecosystem functioning.…”
Section: Discussionmentioning
confidence: 99%
“…Except for the detritivorous guild, regardless of the stretch occupied in the stream, the fish assemblage tended to be dominated by generalist guilds, that is, with no significant trophic specialization (Esteves & Aranha, 1999;Abelha et al, 2001). This pattern has been recurrent in several plain streams (Casatti, 2002) and headwater streams (Wolff et al, 2013;Cruz et al, 2013), most probably due to the variation in the physical structure of these systems and consequently on the availability of food resources, selecting, ultimately, flexible feeding habits (Abelha et al, 2001). Moreover, the presence of piscivorous (e.g.…”
Section: Discussionmentioning
confidence: 99%
“…Additionally, despite evidence of higher autochthonous primary productivity in tropical streams (Davies et al, 2008), it is generally agreed that allochthonous resources are essential for fish of neotropical streams (Lowe-McConnell, 1999;Esteves & Aranha, 1999;Cruz et al, 2013). In this sense, the structure and complexity of the vegetation surrounding the Itiz stream probably was so important in structuring the abundance and biomass of guilds, as the longitudinal changes predicted by the availability of food resources.…”
Section: Discussionmentioning
confidence: 99%
“…Na escala de paisagem, enquanto alguns estudos como os de Vieira et al (2014) e Gonçalves et al (2018) procuraram verificar os fatores que determinam a estrutura trófica em riachos de áreas naturais, a maioria dos trabalhos abordou a questão da influência antrópica sobre a estrutura trófica de peixes de riacho (Cruz & Cetra 2013, Manoel & Uieda 2018, Barbosa et al 2020.…”
Section: Variações Espaciaisunclassified