Buscar
Itens para a visualização no momento 61-70 of 176
Variabilidade espaço-temporal de mariposas em duas localidades da região central do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2014-08-29)
Rio Grande do Sul, studies with Lepidoptera are quite widespread, especially
with butterflies. However, with moths, it is known that the paper´s number is lower,
and with specific groups usually registered at locations ...
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 ...
Isolamento e caracterização de microssatélites em Aegla longirostri (Crustacea, Decapoda, Anomura)
(Universidade Federal de Santa Maria, 2007-02-27)
Aeglidae is the only freshwater anomuran family. Fossil evidences relate a marine origin for aeglids. However, genus Aegla invaded the freshwater environment of
southern South America, becoming endemic and widespread in ...
Investigação sobre a presença de retrotransposons em populações naturais do grupo cardini do gênero Drosophila (Diptera: Drosophilidae) do sul do Brasil
(Universidade Federal de Santa Maria, 2005-02-24)
The cardini group is part of the genus Drosophila and has its geographical distribution in the Neotropics. Some previous studies revealed the high variability in species of this group of flies. Transposable elements are ...
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 ...
Uma análise de evidências totais dos morcegos loncofilideos nectarívoros (Lonchophyllinae: Phyllostomidae), comparando dados morfológicos, moleculares e morfométricos.
(Universidade Federal de Santa Maria, 2021-08-20)
Lonchophyllinae is a subfamily of phyllostomid bats encompassing four genera and 20
species. Although it is one of the two nectar-feeding bats subfamilies, it is a poorly studied
group, especially regarding its evolutive ...
Biogeografia e conservação dos morcegos do gênero Rhynchonycteris: integrando filogenética molecular e modelagem de nicho ecológico
(Universidade Federal de Santa Maria, 2021-10-05)
Rhynchonycteris is a monotypic genus of Embalonurid bats, whose geographic distribution
extends from southern Mexico to tropical regions of the South American continent, including
Trinidad and Tobago. To date, no study ...
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 ...