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Um novo espécime de Procolophon owen, 1876 (parareptilia, procolophonidae) para o triássico inferior sulbrasileiro
(Universidade Federal de Santa Maria, 2018-02-27)
This dissertation presents information regarding a new skull (CAPPA / UFSM 0189), with mandible in occlusion, ascribed to Procolophon trigoniceps. CAPPA/UFSM 0189 was collected in the municipality of São Francisco de Assis, ...
Análise de biomarcadores em jundiás (Rhamdia quelen) expostos in situ como uma ferramenta de avaliação ambiental
(Universidade Federal de Santa Maria, 2017-03-24)
Aquatic ecosystems are affected by the use of agrochemicals in agricultural areas near rivers. To evaluate possible impacts, studies with animals that inhabit these ecosystems are needed. In situ exposure is one way of ...
Diversidade de anfíbios anuros em campos de altitute dos estados de Santa Catarina e Paraná
(Universidade Federal de Santa Maria, 2015-02-27)
Threats to biodiversity in countryside areas are growing in an accelerated rhythm. Researches aiming biodiversity inventory and habitat requirements in these areas are necessary in the pursuit of public policies for the ...
Stenostomum leucops (Dugès 1828) (Platyhelminthes, Catenulida) reprodução, auxílio no esclarecimento filogenético e transformação genética.
(Universidade Federal de Santa Maria, 2017-07-07)
Stenostomum leucops is a platyhelminthe belonging to class Catenulida,
presenting great morphological plasticity and preponderantly asexual reproduction,
by paratomy. The time required for a complete formation of the ...
Filogeografia de Aegla longirostri (crustacea, decapoda, anomura)
(Universidade Federal de Santa Maria, 2017-02-22)
Aegla is the most diverse genus of freshwater crabs in southern South America. The Aeglidae family,
which belongs to this genus, has a marine origin, with two fossil genera, found in marine sediments in
New Zealand and ...
Controle epigenético do elemento de transposição mariner em populações de Drosophila melanogaster
(Universidade Federal de Santa Maria, 2016-05-31)
One of transposons families most well-known is the mariner family. mariner is not found in natural populations of Drosophila melanogaster, however, white-peach mariner and Mos1 were introduced in this species by genetic ...
O elemento transponível mariner e o acúmulo de transposição somática no desenvolvimento de Drosophila
(Universidade Federal de Santa Maria, 2017-03-20)
Transposable elements (TEs) are sequences of DNA with the ability to move inside host
genomes. Some TEs are able to transpose into somatic tissues, process called Somatic
Transposition (ST) that can be involved with ...
Biologia reprodutiva e seleção dos sítios de nidificação do coleiro-do-brejo (Sporophila collaris) nos campos do sul do Brasil
(Universidade Federal de Santa Maria, 2017-03-06)
In Rio Grande do Sul, are present mosaic of grasslands, among them stands out the Subtropical Field. Among the
avifauna described for the state, about 120 species are adapted to live in grasslands, like the little ...
Potencial de dispersão de moluscos e macroinvertebrados de água doce por peixes neotropicais
(Universidade Federal de Santa Maria, 2016-03-31)
Mollusks can be a very frequent feeding item in the diet of many species of fishes inhabiting
the Neotropical region. However, the possibility of malacofagous fishes act as important
passive dispersors for native and ...
Influência da quantidade de floresta sobre a ocorrência de mamíferos carnívoros na Mata Atlântica brasileira
(Universidade Federal de Santa Maria, 2016-02-18)
Habitat fragmentation process is the main threat to the conservation of terrestrial mammals at the global level. Despite the importance of understanding the degree which species are sensitive to the effects of habitat ...