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Now showing items 891-900 of 917
Construção de múltiplos ninhos como estratégia reprodutiva para o Garibaldi, Chrysomus ruficapillus (Aves, Icteridae)
(Universidade Federal de São Carlos, 2019-06-04)
The main function of bird's nests is to provide protection for eggs and young, and due the high risks of predation, nests are under intense natural selection. Nest construction is time and energetically costing, which ...
Descrição de uma zona híbrida e mecanismos de isolamento reprodutivo entre duas espécies de caboclinhos (Sporophila Pileata e S. Bouvreuil) (aves: passeriformes) e suas implicações para conservação
(Universidade Federal de São Carlos, 2018-09-13)
Hybridization is often a natural process that plays an important role in the evolutionary process among many species. On the other hand, when human environmental changes cause the phenomenon, it can result in detrimental ...
Efeitos adversos de lixiviados de bitucas e filtros de cigarros no crescimento de uma macrófita flutuante
(Universidade Federal de São Carlos, 2024-05-29)
Annually, trillions of cigarette butts are inappropriately discarded in public areas, and through runoff water, they can be inserted into aquatic ecosystems and interact with biota. In this context, the objective of this ...
Ecologia alimentar e reprodutiva de Nannopterum brasilianum Gmelin, 1789 (Aves: Phalacrocoracidae): interações tróficas com pescarias no Sistema Estuarino de Laguna, Santa Catarina, Brasil
(Universidade Federal de São Carlos, 2024-03-27)
The Neotropic cormorant (Nannopterum brasilianum) is an abundant psicivorous bird within its distribution area, especially inside Brazil. Despite its wide ocurrence, the bird ecological aspects are yet not explored by South ...
Macroinvertebrados aquáticos da região Andino- Amazônica: paisagem fluvial, diversidade taxonômica e diversidade funcional
(Universidade Federal de São Carlos, 2024-04-29)
The Andean-Amazonian region of the Caquetá department is renowned for hosting a vast biodiversity of terrestrial and aquatic organisms. However, in recent years, this region has experienced various anthropogenic impacts, ...
Avaliação da toxicidade do agrotóxico Clorpirifós e do metal cádmio, isolados e em misturas, sobre cladóceros nativos da região neotropical
(Universidade Federal de São Carlos, 2024-03-01)
The aim of this study was to assess the effects of isolated and combined concentrations of the compounds Chlorpyrifos and Cadmium on native cladocerans from tropical regions: Ceriodaphnia silvestrii, Ceriodaphnia rigaudi, ...
O Cerrado da Universidade Federal de São Carlos como fonte de recursos naturais: diversidade de vespas parasitoides (Hymenoptera, Ichneumonoidea)
(Universidade Federal de São Carlos, 2024-03-28)
The biodiversity of the Cerrado is considered high, but knowledge about the insects
in this biome is still scarce. This work aimed to understand the community of
parasitoid wasps from the Braconidae and Ichneumonidae ...
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. ...
Sobrevivência de ninhos e novos aspectos da biologia reprodutiva de aves para o Centro de Endemismo Pernambuco
(Universidade Federal de São Carlos, 2024-03-01)
Tropical forests are megadiverse, but at the same time they have been highly degraded in such a way that biodiversity conservation has often relied on the management of the remaining forest patches. The survival of bird’s ...
Efeitos de micropartículas de prata, em diferentes dorfologias, isoladas e em misturas, sobre organismos planctônicos dulcícolas de dois diferentes níveis tróficos
(Universidade Federal de São Carlos, 2022-04-27)
Currently, particles with silver in their composition have drawn attention for their wide applicability. In particular, the silver tungstate (α-Ag2WO4), which has microbicidal, fungicidal and antitumor activities, is used ...