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Ciclo hidrológico e dinâmico de dois rios intermitentes da região semi-árida do Brasil, com ênfase em macrófitas aquáticas.
(Universidade Federal de São Carlos, 2003-05-15)
The semi-arid region of Brazil presents rivers and intermittent streams with flood occurrence and of drought in different frequencies, intensity and duration. These events act as agents of hydrologic disturbance and they ...
Bioensaios de decomposição anaeróbia de macrófitas aquáticas da lagoa do Óleo (Estação Ecológica de Jataí, Luiz Antônio - SP).
(Universidade Federal de São Carlos, 2005-05-11)
This study aimed at investigating: i) the influence of temperature on decomposition of macrophyte detritus; ii) the importance of leaching in the dynamics of the decomposition; iii) the decomposition of different structures ...
Mineralização e formação de gases da degradação de Eichhornia azurea Kunth e Egeria najas Planch.
(Universidade Federal de São Carlos, 2003-04-11)
The decomposition of macrophytes may constitute in an important source of carbon for the functioning of aquatic ecosystems. The experiments developed in this study aimed to describe mineralization aspects such as kinetics ...
Potencial de heterotrofia do reservatório de Barra Bonita (SP), com ênfase na decomposição de polissacarídeos extracelulares de espécies fitoplânctônicas.
(Universidade Federal de São Carlos, 2004-03-05)
The extracellular polysaccharides (EPS) excreted by algae comprise an important fraction of organic matter produced by the phytoplankton in fresh and salt waters. Thus EPS can be considered an important organic carbon ...
Perturbação hidrológica, estabilidade e diversidade de macroinvertebrados em uma zona úmida (lagoas intermitentes) do semi-árido brasileiro.
(Universidade Federal de São Carlos, 2004-03-26)
Intermittent shallow lakes are a kind of wetland of great importance in the Brazilian semiarid area, being characterized by hydrological extremes of flood and drought. These shallow lakes are good model for ecological study ...
Padronização do índice de abundância e avaliação do estoque de bonito listrado, (Katsuwonus pelamis Linnaeus, 1758), do Atlântico Ocidental
(Universidade Federal de São Carlos, 2006-12-11)
In this paper data on catch, fishing effort and landings from the Brazilian baitboat
fishery, together with information on vessel characteristics were analyzed aiming to:
(a) describe the fishery and characteristics of ...
Análise qualitativa e quantitativa dos danos ambientais do município de São Carlos (SP) com base em instrumentos jurídicos
(Universidade Federal de São Carlos, 2002-08-19)
The public instauration and registration of environmental damages in the local landscape
became a fundamental tool to collect information with easiness and reliability. Qualitative and quantitative analysis of the ...
Utilização de altas concentrações de benzeno, tolueno e xileno (compostos BTX) como fonte de carbono por linhagens bacterianas
(Universidade Federal de São Carlos, 2002-04-12)
BTX compouds [benzene, toluene and xylene isomers (ortho, meta
and para)] are light aromatics present in gasoline. They are toxic and
relatively soíuble in water. This high solubility in comparison with other
petroleum ...
Utilização e destino do carbono orgânico dissolvido em um reservatório eutrófico (Barra Bonita, SP)
(Universidade Federal de São Carlos, 2007-07-31)
The stocks of dissolved organic compounds from the aquatic environments represent one of
the largest bulks of active organic C in the biosphere. It is thoroughly accepted that the
dissolved organic matter represents a ...
Florística e fitossociologia das espécies lenhosas no cerrado da fazenda Canchim (São Carlos, SP)
(Universidade Federal de São Carlos, 2004-09-02)
The situation of the remaining cerrado areas in Brazil is worrisome, and more
studies are necessary to establish effective conservation strategies. We studied several aspects of the Woody
species in two campo cerrado ...