Consulta: subjectFacets:"Restinga vegetation"
Registros recuperados: 2
Data/hora: 16/06/2024 11:27:21

Habitat utilization and CAM occurrence among epiphytic bromeliads in a dry forest from southeastern Brazil
Provedor de dados: 88
Autores: Fontoura,Talita; Reinert,Fernanda.
We studied the community and habitat occupation of epiphytes to understand how these plants cope with a supposedly stressful habitat: i) how general epiphytes occupy tree trunks, ii) how epiphytic bromeliads, occupy their supportive trees, iii) how CAM bromeliads are spatially distributed. The study was done in the dry forest of Jacarepiá, State of Rio de Janeiro. Data collection on epiphytes, phorophytes, and trees was based on the point-center quarter method. The photosynthetic pathway of the bromeliad species was determined using isotope ratio mass spectrometry. The presence of Gesneriaceae, Araceae, and Cactaceae indicates that some humidity is present in the area allowing the presence of supposedly less-specialized epiphytes. There was no correlation...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atlantic rainforest; Bromeliaceae; Canopy; Restinga vegetation.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042009000300011

Mixed reproduction systems in Opuntia monacantha (Cactaceae) in Southern Brazil
Provedor de dados: 88
Autores: Lenzi,Maurício; Orth,Afonso Inácio.
The Cactaceae have morphological and physiological adaptations associated with their life histories that are reflected in different modes of reproduction and multiplication. The reproductive phenology, preferential reproductive mode, and the sexual and asexual multiplication of Opuntia monacantha were investigated between 2003 and 2006 in two restinga (sandy coastal) environment in Southern Brazil to determine the adaptive values of its reproduction modes. Flowering was annual and occurred continuous for approximately 100 days between the months of September and January, with a few flowers opening per day per individual (but many in the whole population). Facultative xenogamy was identified as the preferential sexual system, with the highest levels of...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Cacti; Clonal multiplication; Reproductive biology; Restinga vegetation.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042012000100006