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Now showing items 151-160 of 915
Cinética e variação molecular de substâncias húmicas formadas da lixiviação de macrófitas aquáticas
(Universidade Federal de São Carlos, 2015-08-13)
The humic substances (HS) are important to aquatic ecosystems. In this study we
investigated the kinetics and molecular variations of dissolved fulvic acids (FA) and
humic acids (HA) formed from aquatic macrophytes ...
Variação espacial e temporal da diversidade e biomassa da comunidade zooplanctônica do reservatório da UHE de Furnas-MG, Brasil
(Universidade Federal de São Carlos, 2011-02-11)
The UHE Furnas Reservir is located in the state of Minas Gerais and it was built for hydroelectricity generation in 1963, although it is present used for multiple purposes. The zooplankton communities of freshwaters are ...
Aspectos biológicos de Heterotermes tenuis (Isoptera Rhinotermidae) em cana-de-açúcar.
(Universidade Federal de São Carlos, 2004-03-26)
The main objectives were: to study at laboratory some biological aspects the
biology of Heterotermes tenuis, by stablishing colonies with couples collected in the field,
foraging behavior and the intraspecific agonistic ...
Dinâmica de população de Tapirira guianensis AUBL. (Anacardiaceae), em áreas de restinga e cerradão do Estado de São Paulo
(Universidade Federal de São Carlos, 2010-03-03)
The situation of a population can only be assessed through demographic studies, considering its dynamics in terms of changes on fecundity, recruitment and mortality of individuals. Considering the peculiarities of the ...
Variação espacial e temporal de uma taxocenose de caprelídeos (Crustacea: Amphipoda) em um ecossistema subtropical sujeito à poluição por hidrocarbonetos de petróleo
(Universidade Federal de São Carlos, 2010-06-11)
The petroleum demand, as so as the commerce of its derivates, has caused the introduction of these compounds in marine ecosystems. The transportation and the extraction of petroleum cause severe accidents, impacting coastal ...
A inclusão da abundância na diversidade funcional aumenta o seu poder de previsão?: teste em uma comunidade de cerrado
(Universidade Federal de São Carlos, 2011-03-04)
Assuming that traditional measures of diversity are rough predictors of functioning and that measures that incoporate information about functional traits are better predictors than the traditional ones, functional diversity ...
Diversidade de Similiidae (Diptera, Nematocera) em córregos do estado de São Paulo, Brasil.
(Universidade Federal de São Carlos, 2003-09-03)
With the aim to analyse the Simuliidae diversity in the State of São Paulo streams, a
program of collection was done during two weather seasons (dry/2001; wet/2002) in 33
aquatic systems, including forested and open low ...
Estudo limnológico da Lagoa dos Tropeiros, Capitólio, MG, com ênfase na comunidade de macroinvertebrados bentônicos
(Universidade Federal de São Carlos, 2010-02-26)
The studies on the diversity and functional role of benthic macroinvertebrates in lake ecosystems can provide relevant informations regarding the functioning and the health of these freshwater ecosystems. The aim of this ...
Subsídios ao extrativismo de briófitas no município de Cananéia, SP
(Universidade Federal de São Carlos, 2009-08-21)
The management of non-timber forest products is an important alternative to forests maintenance. Nevertheless, the demand for some species at commercial scale may result in negative impacts to the local biodiversity. The ...
Caracterização e qualidade ambiental em dois fragmentos florestais na perspectiva da conservação de Alouatta guariba (HUMBOLDT, 1812) no interior do estado de São Paulo
(Universidade Federal de São Carlos, 2009-08-07)
This study was accomplished in two forest s fragments with different environmental characteristics; the Parque Estadual do Morro do Diabo (PEMD), a Conservation Unit located at Pontal of Paranapanema, and the Água-Branca ...