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Impacto de agrotóxicos usados na lavoura de arroz irrigado em organismos bentônicos
(Universidade Federal de Santa Maria, 2010-02-23)
The objective of this project was to investigate the impact of different
pesticides used in the ricefield on the density and diversity of benthic organisms. In
the experiment, two collects of soil were made to identify ...
Impacto da radiação solar sobre a aptidão e capacidade locomotora de girinos
(Universidade Federal de Santa Maria, 2016-03-22)
On the last decades, amphibian populations have been suffering a global decline, and different factors can be related to this process. Parallel observations between the decrease of stratospheric ozone concentration in the ...
Influência de fatores ambientais de ampla escala na distribuição espacial de moluscos límnicos
(Universidade Federal de Santa Maria, 2014-02-14)
This dissertation presents unique approaches about the influence of environmental variables at
different spatial scales (meso and macro regional temperature, rainfall and altitude) (1), and
aquatic and terrestrial factors ...
História evolutiva de elementos transponíveis da superfamília Tc1-Mariner em drosofilídeos
(Universidade Federal de Santa Maria, 2010-02-26)
Transposable elements (TEs) are DNA regions that can move within and between genomes, causing great impact on the host organisms. The Tc1-Mariner superfamily stands out for being, probably, the DNA transposons superfamily ...
Estrutura espacial de comunidades de anuros de duas regiões fisiográficas do bioma Pampa
(Universidade Federal de Santa Maria, 2013-02-26)
In this study, we sampled two anuran communities in two physiographic regions of the Pampa biome, Serra do Sudeste and Depressão Central, were made monthly campaigns during the period between September 2011 and August 2012 ...
Seleção sexual em Aegla longirostri (Decapoda: Anomura): escolha de parceiro, meios de comunicação e efeitos na agressividade
(Universidade Federal de Santa Maria, 2013-02-19)
This study involved two experiments that addressed mate choice, male competition for mature females and the communication pathways used by both sexes in Aegla longirostri. In the first experiment, males were paired according ...
Podem pequenas variações na altitude e na ordem de riachos influenciar a estrutura das comunidades de moluscos?
(Universidade Federal de Santa Maria, 2012-05-31)
The influence of small gradients of altitude (0-500 meters) and order (1st to 4th) in the
spatial distribution of mollusk communities was studied, based on 40 samples collected in a
watershed of a temperate climate region, ...
Comunidade de insetos associados aos sicônios de três espécies de figueiras no Pantanal Sul Matogrossense
(Universidade Federal de Santa Maria, 2010-07-29)
Syconia of fig trees present a diverse interaction with different groups of organisms. In this study we characterized insect community associated with three fig species in the region of Miranda/Abobral, Pantanal Sul ...
Composição e distribuição espacial e temporal de larvas de Chironomidae (Insecta, Diptera), em um rio em região montanhosa, no extremo sul do Brasil
(Universidade Federal de Santa Maria, 2011-03-31)
The composition and spatio-temporal distribution of the taxocenoses of the larvae of Chironomidae of a mountainous river, in southernmost Brazil were analyzed for this study. The diversity found was also compared to the ...
Efeito de dieta suplementada com selênio em carpas (Cyprinus carpio) expostas a atrazina
(Universidade Federal de Santa Maria, 2016-03-09)
The water pollution, derived from several human activities, results in harmful effects to the ecosystems involved. In order to verify the potential toxicity of xenobiotics, it is usual to use carps (Cyprinus carpio) as ...