2018
DOI: 10.22571/2526-433875
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Heterogeneidade espaço-temporal ambiental de igarapés em um ecótono Cerrado-Caatinga

Abstract: A heterogeneidade espaço-temporal do ambiente é um fator importante para a estruturação da biodiversidade dos ecossistemas, incluindo os sistemas lóticos que têm sofrido fortes influência do uso e ocupação do solo. Nesse sentido, o presente trabalho teve por objetivo identificar se houve diferença espaço-temporal das variáveis estruturais e físico-químicas entre os riachos da Área de Proteção Ambiental do Inhamum, bem como se ocorreu diferença de heterogeneidade ambiental entre as amostras durante o período de… Show more

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Cited by 4 publications
(2 citation statements)
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“…One of these factors is the precipitation, which interferes in the habitat structure (e.g. width, depth and flow), even in streams whose vegetation on the banks completely covers their course, through the horizontal flow of rain (Pontes, De Lima, Júnior, & De Azevedo Sadeck, 2017;Veras, Medeiros-França, & Azêvedo, 2018;Yokoyama et al, 2012). The variation in the volume of water can directly decrease or create new types of mesohabitats by varying the combinations of the characteristics of the substrates (microhabitats) and the surface flows of water (habitats) (Beisel et al, 1998).…”
Section: Introductionmentioning
confidence: 99%
“…One of these factors is the precipitation, which interferes in the habitat structure (e.g. width, depth and flow), even in streams whose vegetation on the banks completely covers their course, through the horizontal flow of rain (Pontes, De Lima, Júnior, & De Azevedo Sadeck, 2017;Veras, Medeiros-França, & Azêvedo, 2018;Yokoyama et al, 2012). The variation in the volume of water can directly decrease or create new types of mesohabitats by varying the combinations of the characteristics of the substrates (microhabitats) and the surface flows of water (habitats) (Beisel et al, 1998).…”
Section: Introductionmentioning
confidence: 99%
“…The structure of biological communities is strongly influenced by environmental factors, which may often affect negatively the diversity of an assemblage (Hutchinson 1957, Baselga 2008, Brasil et al 2018. The variation in the environmental conditions found in aquatic systems is closely linked to the climatic seasons and, in particular, flood pulses, which are more frequent during periods of greater precipitation, the considerable amplitude in the gradient of environmental variables being found between climatic seasons, in particular in lotic environments, which are extremely dynamic (Hepp et al 2010, Veras et al 2018. The amplitude of these gradients tends to be smaller in first-order streams (Bispo et al 2006), where the relatively dense vegetation cover tends to act as a buffer or protective filter between the terrestrial and aquatic environments (Shimano & Juen 2016, Mendes et al 2019.…”
Section: Introductionmentioning
confidence: 99%