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Now showing items 31-40 of 117
Efeito da temperatura, do grau de trofia e do surfactante Dodecil Sulfato de Sódio nos crescimentos de Egeria densa (Planch) e de Chara sp. (Linnaeus)
(Universidade Federal de São Carlos, 2020-09-09)
There is growing concern about the ecological impacts caused by human actions. We can mention the use of surfactants, where their presence in the aquatic ecosystem affects the quality of the water, and in addition to this ...
Efeito da exposição aguda do inseticida Fipronil e do herbicida 2,4-D e mistura de ambos em curimbatá, Prochilodus lineatus (Teleósteo, Prochilodontidae).
(Universidade Federal de São Carlos, 2020-09-11)
The herbicide 2,4-D and the insecticide fipronil are pesticides frequently
detected in aquatic ecosystems, thus threatening wildlife and health security. The
aim of the present study was to investigate the toxicity of ...
Avaliação dos efeitos da exposição aguda aos agrotóxicos 2,4 D e Fipronil em brânquias de Danio rerio
(Universidade Federal de São Carlos, 2020-09-09)
The pesticides used in monocultures have the main function of reducing losses during the production process. These compounds can affect a wide spectrum of plant and animal species, inducing from biochemical and morphological ...
Identificação e classificação de áreas úmidas costeiras relacionadas à valoração de seus serviços ecossistêmicos na ilha de Santa Catarina (Florianópolis) – Brasil
(Universidade Federal de São Carlos, 2020-08-03)
The uncontrolled growth of the population occurs mainly in coastal areas, resulting in a new form of appropriation of nature that intensifies and change the characteristics of the landscape. The impact caused becomes ...
Estrutura e dinâmica da recolonização de invertebrados aquáticos em um lago temporário em uma área preservada de Cerrado e efeitos de metais sobre algumas espécies
(Universidade Federal de São Carlos, 2020-03-09)
Given the urgency of using native species as test organisms in toxicity studies that reflect the typical properties of tropical systems and the need to analyze toxic or contaminating agents and evaluate possible effects ...
Padrões macroevolutivos do tamanho do cérebro e tipos de ninhos em passeriformes
(Universidade Federal de São Carlos, 2020-08-28)
Birds and mammals have increased cognitive abilities and selective forces favoring complex behavioral skills are considered important drivers of brain evolution. A tractable way to infer about evolutionary pathways shaping ...
Composição da fauna aquática subterrânea da área cárstica do Alto Ribeira: implicações ecológicas e para a conservação
(Universidade Federal de São Carlos, 2020-07-03)
The composition of aquatic subterranean fauna is influenced by different factors, such as evolutionary history, habitat heterogeneity, environmental gradients, interspecific interactions, and species dispersion. The present ...
A bioacústica como ferramenta adicional para o estudo da estrutura e dinâmica de uma comunidade de aves em mata estacional semidecidual
(Universidade Federal de São Carlos, 2020-03-06)
Understanding the dynamics and structure of bird communities in forest fragments provide us important data for conservation. The classification of the community regarding trophic categories and strata is one of the most ...
Conquistando o ambiente urbano: valor adaptativo e comportamento parental nos ninhos de Turdus leucomelas (Aves, Turdidae) em edifícios
(Universidade Federal de São Carlos, 2020-03-06)
Reproduction is a crucial stage of the life cycle of all species, and the related energetic conflicts are especially important on species that present intense parental care, such as altricial birds. Nest site selection is ...
Morte celular programada em microalgas verdes cocoides e seus possíveis efeitos ecológicos
(Universidade Federal de São Carlos, 2020-03-11)
Programmed cell death may have important intra and inter-specifics effects in phytoplanktonic populations, and consequently in the ecology of freshwater ecosystems. However, before any ecological studies or evolutionary ...