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Ictiofauna da região da Serra da Canastra, Minas Gerais: cavernas são filtros ambientais considerando-se riqueza, diversidade e comportamento alimentar?
(Universidade Federal de São Carlos, 2021-02-04)
The subterranean (or hypogean) environment is formed by interconnected spaces of the subsoil or subsurface filled with water or air and has a marked characteristic of darkness in deeper areas and little variation in abiotic ...
Variação espacial e temporal do potamoplâncton ao longo do Rio Parnaíba (Piauí, Brasil): ferramentas ecológicas para o diagnóstico e monitoramento
(Universidade Federal de São Carlos, 2022-11-10)
Here we test whether the Serial Discontinuity Concept actually predicts the damming effect as a gradient break in the Continuous River Concept. Microcrustaceans (Cladocera and Copepoda) were collected at six sampling points ...
Efeito da interação de Trissolcus basalis e Telenomus podisi (Hymenoptera: Scelionidae) na efetividade do controle biológico de Euschistus heros (Hemiptera: Pentatomidae)
(Universidade Federal de São Carlos, 2021-07-07)
Telenomus podisi and Trissolcus basalis are two important parasitoids used as biological control agents for the brown soybug, Euschistus heros. The interaction between these parasitoid species at the field, however, can ...
Respostas bioquímicas e morfológicas de Tilápia-do-Nilo (Oreochromis niloticus) expostas ao material particulado atmosférico sedimentável oriundo de indústrias siderúrgicas
(Universidade Federal de São Carlos, 2021-11-19)
The dust present in the atmosphere is called atmospheric particulate matter (MPA) and its composition depends on the emitting sources, which can be natural or anthropogenic. The emission and dispersion of pollutants are ...
Diversidade genética e estruturação populacional em capivaras, Hydrochoerus hydrochaeris (Linnaeus, 1766)
(Universidade Federal de São Carlos, 2022-03-08)
Decreased connectivity for species and consequently limited dispersal can be linked
to various environmental factors such as climate, dispersal barriers, or limited
dispersal. In the case of semi-aquatic organisms such ...
Atividade antimicrobiana de extratos de folhas, caules e raízes de Eugenia klotzschiana O. Berg (Myrtaceae)
(Universidade Federal de São Carlos, 2020-09-15)
Since the discovery of penicillin by Alexander Fleming, the phenomenon of antibiotic resistance has been observed. Economic and technological factors have influenced the drug industries and decreased or ceased research ...
Fatores que estruturam metacomunidades em fitotelmos de restinga
(Universidade Federal de São Carlos, 2020-11-26)
Neotropical ecosystems harbour an imense biodiversity, covering phytophysiognomies with unique characteristics. The restingas are phyto-physiognomies characteristic of coastal regions, with hot temperatures, poor soils and ...
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 ...
Propriedades ópticas da matéria orgânica dissolvida produzida por cultivos axênicos de fitoplâncton de água doce
(Universidade Federal de São Carlos, 2021-10-29)
The dissolved organic matter (DOM) is a heterogeneous mixture of molecules with
different weight and reactivity that vary spatio-temporally across aquatic ecosystems, and
is a key element of biogeochemical cycles. ...
Efeitos da interação e da movimentação de parasitoides especialista e generalista no controle da broca da cana
(Universidade Federal de São Carlos, 2022-09-14)
The dependence of parasitoids on hosts for reproduction, and the fact of their foraging behavior and reproductive success be strictly related to their hosts, making them important agents in biological pest control programs. ...