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Diversidade e distribuição espacial de Ephemeroptera (Insecta) em riachos do Planalto Sul-rio-grandense, Brasil
(Universidade Federal de Santa Maria, 2015-04-27)
The additive partition diversity has been a promising method to analyze patterns of
diversity in hierarchical studies. Streams are recognized for having a spatial structure
hierarchically organized in increasing scales, ...
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 ...
Estrutura populacional e biologia reprodutiva de duas espécies de Hyalella Smith, 1874 (Crustacea, Amphipoda, Hyalellidae)
(Universidade Federal de Santa Maria, 2014-08-25)
Research on aspects of a population are essential because they provide information not only about the biology of the species, but of all their connection to the environment too. The objective of this study was to characterize ...
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 ...
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 ...
Análise da alimentação de Acestrorhynchus pantaneiro (Characiformes: acestrorhynchidae) em Três Rios do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2012-02-29)
To understand the behavior of a species under the reproduction aspects, growth, birth rate,
mortality and migration is indispensable the knowledge of his alimentary behavior, still more
if treating of fishes with habit ...
Fatores influentes sobre atropelamentos de vertebrados silvestres em rodovias da região central do estado do Rio Grande do Sul, Brasil
(Universidade Federal de Santa Maria, 2010-08-23)
The habitat loss or fragmentation and reduced connectivity among habitats are common aspects in areas with highways.These impacts have close liaison with running over
of wild vertebrates. This study aimed to identify and ...
Macroinvertebrados da lavoura de arroz irrigado tratada com os agrotóxicos Carbofuran e Penoxsulam
(Universidade Federal de Santa Maria, 2010-09-24)
The rice cultivation (Oryza sativa) has been target of speculations because of its
effects in the environment. The intensive pesticides uses in the ricefields have
contributed in a meaningful manner to many things related ...
Metais em água, sedimento e duas espécies de peixes com diferentes níveis tróficos em um rio subtropical brasileiro
(Universidade Federal de Santa Maria, 2011-12-16)
In aquatic environments, heavy metals are produced from natural and anthropogenic
sources and the degree of contamination in fish tissues depend on pollutant type, fish
species, sampling site, trophic level and their ...