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| Registros recuperados: 30 | |
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| Cavalcanti,Laise de Holanda; Bezerra,Andrea Carla Caldas; Barbosa,David Itallo; Agra,Leandro de Almeida Neves Nepomuceno; Powell,Nestor Valente; Lima,Vitor Xavier de; Costa,Antônia Aurelice Aurélio. |
| The known distribution of Perichaena calongei, P. chrysosperma, P. corticalis, P. depressa, P. microspora, P. pedata and P. vermicularis in the nine states that comprise Brazil's Northeast Region (1,548,672 km2) is presented herein, enhancing our understanding of the distribution of the genusPerichaena (Trichiaceae, Myxomycetes) in the Neotropics. This inventory encompasses a 100-year period (1914-2014), and analyzes material deposited in herbaria and collected by the authors. The collected material came from areas of thorny deciduous vegetation typical of the Caatinga biome and portions of savannah in the continent's interior, rainforests,restingas (tropical moist broadleaf forests found along Brazil's coastal spits) and mangroves of the Atlantic Forest... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Chorology; Microhabitat; Rainforest; Steppical-savannah; Trichiales. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000100102 |
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| Barbosa,David Ítallo; Bezerra,Andrea Carla Caldas; Lima,Vitor Xavier de; Cavalcanti,Laise de Holanda. |
| ABSTRACT Situated within the Atlantic Forest domain, the Centro de Endemismo Pernambuco (Pernambuco Center of Endemism) - CEPE is regarded as a priority for biodiversity conservation worldwide. Covering an area of approximately 56,000 km2, it encompasses part of the states of Alagoas, Pernambuco, Paraíba and Rio Grande do Norte in northeastern Brazil. Here we present an identification key to 73 species of Myxomycetes that compose the known corticolous myxobiota of the Dense Ombrofilous Lowland Forest, Semideciduous Lowland Forest, Restinga Forest and Mangrove environments of CEPE. Specimens included here were found developed in natural conditions in the field or obtained through moist chamber culture. Among the species found, Arcyria cinerea, Clastoderma... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Atlantic Forest; Biodiversity; Microhabitat; Myxogastria; Myxomycetes. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000400549 |
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| Ramos,Geraldo José Peixoto; Santana,Lucineide Maria; Medina,Anderson Matos; Bicudo,Carlos Eduardo de Mattos; Branco,Luis Henrique Zanini; Moura,Carlos Wallace do Nascimento. |
| ABSTRACT Knowledge of algal and cyanobacterial diversity of phytotelmata remains poorly-known, especially for bromeliads from different vegetation formations. We investigated the microalgae communities of four species of tank bromeliads from different vegetation formations in Bahia State, Northeast Brazil, highlighting the composition, richness and diversity of taxa. Sampling of water stored in bromeliads was carried out quarterly between 2014 and 2016, and abiotic variables and morphometric attributes of bromeliads were measured. A total of 89 taxa of algae and cyanobacteria were recorded for the four bromeliad species studied. The microalgae communities of the phytotelmata varied among vegetation formations, with one tank bromeliad, Alcantarea nahoumii,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diversity; Ecology; Microalgae; Microhabitat; Phytotelm; Richness; Tank bromeliads. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062018000400567 |
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| Silva,Joan Bruno; Sfair,Julia Caram; Santos,Nivea Dias dos; Pôrto,Kátia Cavalcanti. |
| ABSTRACT The species-area relationship (SAR) is one of the oldest and most studied ecological models, having even served as the foundation of the Theory of Island Biogeography. Nevertheless, the relative importance of habitat heterogeneity to SAR remains poorly understood. Our aim was to test the relative importance of habitat heterogeneity to the SAR of bryophyte assemblages of soil islands of rocky outcrops in the semi-arid region of Brazil. We randomly selected 15 to 20 soil islands on each of four outcrops for a total of 59 soil islands, and calculated the area, mean depth, and number of substrates for each. We used Generalized Linear Models (GLM) to test the SAR with two models, one using species richness and another using life-form richness as the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Caatinga; Inselbergs; Island Biogeography; Microhabitat; Species area relationship. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062018000200161 |
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| Silva,Thiago Buosi; Uieda,Virgínia Sanches. |
| Stingrays of the Potamotrygonidae family are a singular group of Neotropical ichthyofauna. Although ancient reports exist about the group, there are still many questions that need to be clarified, such as the biology of the species that occur in the Paraná-Paraguay River system. In the present work, the diet of Potamotrygon falkneri and Potamotrygon motoro, captured in the Upper Paraná River, downstream from the Engenheiro Souza Dias Hydroelectric Power Station (UHE Jupiá), was analyzed. Both species showed a diversified diet, consisting of 14 food items, including Mollusca, Crustacea, Insecta and fish, with the predominance in diversity and abundance of aquatic insects. Only one individual of each species ingested fish. Potamotrygon motoro consumed mainly... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Diet; Rays; Resource partitioning; Microhabitat. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032007000100027 |
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| Turci,Luiz Carlos Batista; Albuquerque,Saymon de; Bernarde,Paulo Sérgio; Miranda,Daniele Bazzo. |
| As serpentes Bothriopsis bilineatus e Bothrops atrox são viperídeos simpátricos na Amazônia, sendo B. atrox comum e B. bilineatus mais rara. Ambas espécies apresentam uma dieta generalista, sendo que B. atrox forrageia principalmente sobre o chão e B. bilineatus é mais arborícola. Aqui, nós descrevemos o uso do habitat e padrão de atividade dessas duas serpentes em uma floresta amazônica no Rio Moa, Cruzeiro do Sul, Acre. Esse estudo foi baseado em observações durante procura visual limitada por tempo e encontros ocasionais de serpentes em uma trilha que é sazonalmente alagada e outra de floresta de terra firme. Durante um total de 360 horas de procura visual limitada por tempo, 11 B. bilineatus e seis B. atrox foram encontradas, enquanto uma B. bilineatus... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amazônia ocidental; Reptilia; Jararacas; Microhabitat; Comportamento de serpentes. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032009000300020 |
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| Marques,Fernanda Cristina; Anjos,Luiz dos. |
| In this study we investigated the relationship between the sensitivity to forest fragmentation of bird species and their habitat spatial distribution. We hypothesized that a homogenous spatial distribution is associated to habitat-generalist species, which would tend to be less sensitive to forest fragmentation; in contrast, a heterogeneous spatial distribution would drive to an increase of sensitivity to forest fragmentation. We concentrated on analyses of the suboscine birds, which are known to be closely associated to microhabitats. Field data was obtained in the Parque Estadual Mata dos Godoy (23°27′ S, 51°15′ W), southern Brazilian Atlantic forest. This reserve has high Biotic Integrity levels, with a relatively high number of recorded suboscines.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Microhabitat; Habitat-specialization; Suboscine birds. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032014000300116 |
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| Registros recuperados: 30 | |
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