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Now showing items 211-220 of 915
Conservação, germinação e efeitos alelopáticos de Lafoensia glyptocarpa Koehne
(Universidade Federal de São Carlos, 2010-05-04)
The methodology of the accelerated aging test controlled deterioration to achieve the physiological quality of Lafoensia glyptocarpa Koehne seeds, separated into light and dark seeds, and to correlate if these seeds have ...
Orchidaceae nativas da região central de São Paulo, Brasil: florística, interação com forófitos, proposta de novas espécies e propagação in vitro de uma espécie ameaçada de extinção
(Universidade Federal de São Carlos, 2009-05-08)
Aiming to know the sorts of Orchidaceae of the central region of the State of São Paulo, from 1996 and more intensively from 2005, visits were carried out in 125 forest fragments of 23 local municípios, with weekly periodicity ...
Composição, estrutura e fatores determinantes da ictiofauna de um reservatório neotropical: Cachoeira Dourada, Goiás - Minas Gerais, Brasil
(Universidade Federal de São Carlos, 2009-09-29)
This study aimed to characterize the composition and structure of the ichthyofauna of UHE Cachoeira Dourada (15 º 27'S and 44 º 41'W), which has about 74km2 (average) of flooded area. Therefore, we selected two points (P1 ...
Comunidades planctônicas e qualidade da água em reservatórios tropicais urbanos com diferentes graus de trofia
(Universidade Federal de São Carlos, 2011-02-25)
The influence of temporal and spatial gradients on the physical and chemical variables, phyto- and zooplanktonic communities were evaluated in two shallow urban reservoirs with different trophic state from Pernambuco State, ...
Um retrato do extrativismo: a sustentabilidade na exploração comercial da ostra de mangue em Cananéia-SP
(Universidade Federal de São Carlos, 2009-05-19)
Currently, the mangrove oyster Crassostrea sp. is one of the most important fishery resources exploited by the artisanal fishery setor of the Cananéia estuary, responsible for the livelihood of 60 families of extractivists ...
Usos múltiplos e qualidade das águas da Bacia do Baixo Itajaí-Açú-SC: elementos para um gerenciamento integrado.
(Universidade Federal de São Carlos, 2005-09-12)
The Itajaí-Açu river watershed is characterized by moderate agricultural use and rapid urban development. The risks on freshwater resources are notorious, but there is a lack of
systematic technical data to qualify the ...
Ictiofauna do semi-árido potiguar, Nordeste do Brasil: composição, riqueza e ecologia reprodutiva de espécies endêmicas
(Universidade Federal de São Carlos, 2010-12-02)
Understanding the factors related to the reproductive strategy of endemic fish species at spatial and a temporal scale is essential for their conservation and management. The present study investigated the reproductive ...
Ecologia reprodutiva de Sterna hirundinacea Lesson, 1831 e Thalasseus sandvicensis (Lathan, 1787) (Aves, Sternidae) na ilha dos Cardos, Santa Catarina, Brasil
(Universidade Federal de São Carlos, 2009-04-24)
Despite being widely distributed in South America, the South American Terns (Tierra del Fuego to Bahia and all around the Pacific coast to Peru), and Cayenne Terns, (from the Caribbean Islands to the region of Deseado ...
Padrão espacial e temporal das mudanças de uso da terra e sua relação com indicadores da paisagem. Estudo de caso: bacia hidrográfica do médio rio Mogi Guaçu Superior (SP)
(Universidade Federal de São Carlos, 2011-02-28)
The human activities are continually altering the ecosystems constituting an important environmental modifier agent, promoting changes in balance and dynamics of the landscape pattern and process. There are several examples ...
Influência do pH e da temperatura sobre os efeitos do cobre no sangue e fígado de curimbatá, Prochilodus scrofa, (STEINDACHNER, 1881).
(Universidade Federal de São Carlos, 2003-03-20)
Considering that the pollutants in fish and other animals begin at enzymatic levels, and may alter the cell function and structure, the main goal of the present study was to analyze the influence of the water pH and ...