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Mostrando ítems 11-20 de 28
Efeitos ecotoxicológicos das nanopartículas de dióxido de titânio sobre a alga Pseudokirchneriella Subcapitata e sobre o Cladócero Ceriodaphnia Silvestrii por diferentes vias de exposição
(Universidade Federal de São Carlos, 2016-06-10)
In recent years, increased use of titanium dioxide nanoparticles (TiO 2 NPs) in consumer
products and technological devices has raised concerns regarding their environmental
impacts and their risks to human health. ...
Avaliação ecotoxicológica de um novo potencial formicida: análises in vitro e in vivo
(Universidade Federal de São Carlos, 2018-06-22)
The use of toxic bait represents an important tool when dealing with important agriculture and silviculture plagues, where hesperidin flavonoid complexation with magnesium(II) generates a compound (Mg(hesp)) with high ...
Mudanças de uso da terra na paisagem cultural. Caso de estudo : município de São Carlos, SP
(Universidade Federal de São Carlos, 2015-11-30)
The complexity and interaction of environmental problems have directed the landscape structure studies, which emphasizes broad spatial scales related to ecological effects of spatial patterns of the ecosystems. Changes in ...
O impacto da invasão por Hedychium coronarium J. König (Zingiberaceae) em áreas ripárias
(Universidade Federal de São Carlos, 2019-06-25)
Riparian environments are increasingly being modified by human activities and this causes changes in vegetation dynamics. Native species are being replaced by exotic and invasive ones. Impacts of plant invasions in these ...
Interação de nanotubos de carbono de paredes múltiplas com cádmio e seus efeitos em células de peixe-zebra in vitro
(Universidade Federal de São Carlos, 2018-05-25)
Carbon nanotubes presence in the environment increases every year as a result of exponential production around the world. In aquatic environments, carbon nanotubes can interact with other pollutants based on their nanoadsorbent ...
Ecologia de Phimosus infsuscatus (Aves: Threskiornithidae) no litoral de Santa Catarina, Brasil
(Universidade Federal de São Carlos, 2018-03-16)
Phimosus infuscatus is a bird of gregarious behavior found in South America. Despite its conspicuity, few studies involve the species, so that a large gap exists on its ecology. There is, for example, no in-depth information ...
Fisiologia de Chlorella sorokiniana e Ankistrodesmus densus: efeitos e dinâmica de nanopartículas de cobre
(Universidade Federal de São Carlos, 2018-08-20)
The phytoplankton community is composed of microalgae that support food chains in aquatic ecosystems. In these environments they are immersed in a complex matrix of organic and inorganic substances. In some situations, ...
Biodiversidade e padrões de coocorrência entre fitoplâncton e bactéria na cascata trófica dos reservatórios do rio Tiête: uma abordagem com High Throughput Sequencing
(Universidade Federal de São Carlos, 2019-02-27)
Microbial communities of aquatic environments make up a complex ecological network where organisms interact with each other and with the environment. The way these microbial communities are structured is influenced by ...
Cenários de naturalidade e sustentabilidade ecológica da Região Norte do Rio Grande do Sul, Brasil
(Universidade Federal de São Carlos, 2019-02-22)
The effects of land use changes on the landscape naturalness to identify a critical or favorable scenery for ecological sustainability in the northern Region of Rio Grande do Sul (Brazil), based on the quantification of ...
Mountain ranges and geographical isolation increase bird taxonomic but not phylogenetic beta diversity in the megadiverse Paramo ecosystems
(Universidade Federal de São Carlos, 2019-08-29)
Understanding present-day biodiversity of Neotropical mountain regions requires knowledge of its historical and ecological conditions. We evaluated how Andean uplift, Quaternary climatic oscillations, current climate, and ...