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Search Results: 1 - 10 of 15286 matches for " Ladivania Medeiros do;Rodal "
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Levantamento florístico da floresta serrana da reserva biológica de Serra Negra, microrregi?o de Itaparica, Pernambuco, Brasil
Rodal, Maria Jesus Nogueira;Nascimento, Ladivania Medeiros do;
Acta Botanica Brasilica , 2002, DOI: 10.1590/S0102-33062002000400009
Abstract: a floristic survey was carried out in the biological reserve of serra negra, between the municipalities of inajá and floresta (8o35'-8o38' s and 38o02'-38o04' w), in order to assess the floristic relationship between two sites, a dense forest on the plateau, and an open forest, located on the southern scarp. nineteen trips were accomplished to collect bryophyta, pteridophyta and magnoliophyta. 319 taxa, 255 on the plateau and 117 on the southern scarp were registered. the presence of distinct abiotic factors, the southern scarp being has drier than the plateau, justify the floristic difference. in spite of the low similarity level between the two sites (12,5%), the cluster analysis grouped both with a other surveys realized in other montane forests in the northeast region. the dense forest has many species with a wide distribution in the amazon and atlantic regions, while in the open forest some species are more related with the thorny decidual woodland (caatinga), white others have a wide distribution in neotropical forests.
Levantamento florístico da floresta serrana da reserva biológica de Serra Negra, microrregi o de Itaparica, Pernambuco, Brasil
Rodal Maria Jesus Nogueira,Nascimento Ladivania Medeiros do
Acta Botanica Brasilica , 2002,
Abstract: O levantamento florístico, de duas áreas da Reserva Biológica de Serra Negra, localizada entre os municípios de Inajá e Floresta (8o35' - 8o38' S e 38o02' - 38o04' W), foi realizado fazendo-se 19 excurs es para coleta de material botanico de Bryophyta, Pteridophyta e Magnoliophyta. No total foram coletados 319 taxa, 255 na floresta densa, situada no topo, e 117 na floresta aberta, localizada na escarpa meridional, com 12,5 % de similaridade (Jaccard). A análise de agrupamento mostrou que as duas áreas têm maiores similaridades com outras florestas serranas da regi o nordeste. A presen a de condi es abióticas diferenciadas, úmida no topo e mais seca na escarpa meridional, justifica as diferen as florísticas. Na floresta densa ocorreu um grande número de espécies com ampla distribui o nos domínios amaz nico e atlantico, enquanto na floresta aberta parte das espécies foi mais relacionada à vegeta o caducifólia espinhosa (caatinga), e outras têm distribui o ampla em florestas neotropicais.
Composi??o florística de um trecho de vegeta??o arbustiva caducifólia, no município de Ibimirim, PE, Brasil
Rodal, Maria Jesus Nogueira;Nascimento, Ladivania Medeiros do;Melo, André Laurênio de;
Acta Botanica Brasilica , 1999, DOI: 10.1590/S0102-33061999000100003
Abstract: a survey of the flora was carried out on deciduous shrubby vegetation from the sedimentary plateaus of ibimirim, pernambuco state, brazil. in 343 collections, 139 taxa were identified, these being distributed in 92 genera and 38 families. the families richest in species were: euphorbiaceae, fabaceae, caesalpiniaceae and mimosaceae, with 42% and 33% of the species and genera, respectively. data analysis of 831 species listed in 15 floristic surveys from 19 sites (ceará, pernambuco, piauí and sergipe states) showed that the area studied has the most species in common with sites located on sedimentary plateaus and caatingas that overlie cristaline rock, and the fewest in common with the cerrado vegetation of piauí state. the vegetation is classified as caatinga based on the flora, functional aspects and degree of water deficiency.
Florística de uma floresta estacional no Planalto da Borborema, nordeste do Brasil
Nascimento, Ladivania Medeiros do;Rodal, Maria Jesus Nogueira;Silva, Alexandre Gomes da;
Rodriguésia , 2012, DOI: 10.1590/S2175-78602012000200015
Abstract: the information available on the flora of upland forests of pernambuco's semi-arid region ("brejo de altitude") indicates two situations: one flora more similar with forests closer to the atlantic coast; and another more similar to the drier forests of northeastern inlands. this study aimed to investigate the floristic composition of upland forest fragments in the municipality of brejo da madre de deus, pernambuco, located in a geographical transition area between those forests. the results were compared with five floristic surveys carried out in pernambuco forests that used similar sampling methodologies. two-hundred ninety-three species were identified, distributed among 185 genera and 71 families. arboreal and shrubby/subshrub species stood out richness of the total species collected (50% and 24%, respectively), which indicates floristic similarity with the highland forests closer to the atlantic coast. the other habits did not present clear floristic similarity patterns.
Fisionomia e estrutura de uma floresta estacional montana do maci?o da Borborema, Pernambuco - Brasil
Nascimento, Ladivania M. do;Rodal, Maria Jesus N.;
Brazilian Journal of Botany , 2008, DOI: 10.1590/S0100-84042008000100004
Abstract: the physiognomy and structure of the tree component of a montane forest fragment located in an area at 900 m altitude (8o11'144" -8o12'27" s and 36o23'730" -36o24'638" w), with 948 mm of annual rainfall, and deep soil were studied. all alive or dead standing plants with diameter at breast height > 5 cm, within 50 contiguous plots, 10 x 20 m each, had their trunk diameter, total plant height and canopy projection area measured. the species were classified in relation to their leaf size, deciduousness, and lamina composition. a total of 61 species were sampled plus one unidentified taxon. plant density, basal area and average and maximum height and diameters were 1,553 plant ha-1, 39 m2 ha-1, 10.3 and 30 m, 14.2 and 105 cm, respectively. about 75% of all alive plants had between 1.4 and 3 m high. the distribution of basal and canopy areas according to height class indicated two ranges of plant concentrations: 7-13 and 19-22 m. the forest fragment represents a transition between humid and dry montane forests. most of the species are evergreen with simple microphyllous leaves (casearia sylvestris sw., guapira nitida (schmidt) lundell, marlierea clausseniana (o. berg) kiaersk., ocotea aff. elegans mez, plinia sp.), they occurred in the canopy of the forest, together with notophyllous species (amaioua cf. guianensis aubl. and roupala paulensis sleumer) and mesophyllous (fabaceae sp. and inga marginata willd.). the emergent trees are mostly deciduous and compound leaf species, such as copaifera trapezifolia hayne and eriotheca crenulaticalyx a. robyns.
Polifasia cognitiva e a estrutura ic?nica da representa??o social da morte
Nascimento, Alexsandro Medeiros do;Roazzi, Antonio;
Psicologia: Reflex?o e Crítica , 2008, DOI: 10.1590/S0102-79722008000300019
Abstract: the present study investigated the image structure of the social representation of death in healthcare professionals. a questionnaire with both open and closed-end questions was used to assess the symbolic and iconic components of the representation of death in a group of 49 physicians, 13 psychologists, and 18 nurses (54 female and 26 male). the data produced was analyzed through a non-metric multidimensional procedure - the ssa - and an "external variables as points" method. finally, it was compared with the symbolism of death explored in previous studies (nascimento, 2001b; nascimento & roazzi, 2007) and interpreted in the light of the theory of social representations and facet theory. consistent indications of difficulties in the represen-tation of death and failures in the production of consensus were found, as well as a logical organization of imagistic elements which point out for a state of cognitive polyphasia in the representation of this object.
A estrutura da representa??o social da morte na interface com as religiosidades em equipes multiprofissionais de saúde
Nascimento, Alexsandro Medeiros do;Roazzi, Antonio;
Psicologia: Reflex?o e Crítica , 2007, DOI: 10.1590/S0102-79722007000300011
Abstract: the study aims to investigate the structure of social representation of death in a healthcare professional group establishing an interface with religiosity and how the latter interferes in the meaning attributed to death by this specific population. open and closed questions on death or the act of dying, and on the singular religious experience of the participants were applied. written protocols were collected from a sample of 80 professionals (49 physicians, 13 psychologists, and 18 nurses), which were analyzed according to content analysis and non-metric multidimensional analysis, ssa (similarity structure analysis), and interpreted according to the theory of social representations, revealing a significant interference of religious believes in the structure of death representation.
Cognitive polyphasia and the iconic structure of the social representation of death / Polifasia cognitiva e a estrutura ic nica da representa o social da morte
Alexsandro Medeiros do Nascimento,Antonio Roazzi
Psicologia: Reflex?o e Crítica , 2008,
Abstract: The present study investigated the image structure of the social representation of death in healthcare professionals. A questionnaire with both open and closed-end questions was used to assess the symbolic and iconic components of the representation of death in a group of 49 physicians, 13 psychologists, and 18 nurses (54 female and 26 male). The data produced was analyzed through a non-metric multidimensional procedure - the SSA - and an "external variables as points" method. Finally, it was compared with the symbolism of death explored in previous studies (Nascimento, 2001b; Nascimento & Roazzi, 2007) and interpreted in the light of the theory of social representations and facet theory. Consistent indications of difficulties in the represen-tation of death and failures in the production of consensus were found, as well as a logical organization of imagistic elements which point out for a state of cognitive polyphasia in the representation of this object.
The structure of social representation of death in the interface with the religiosities of healthcare professionals groups / A estrutura da representa o social da morte na interface com as religiosidades em equipes multiprofissionais de saúde
Alexsandro Medeiros do Nascimento,Antonio Roazzi
Psicologia: Reflex?o e Crítica , 2007,
Abstract: The study aims to investigate the structure of social representation of death in a Healthcare professional group establishing an interface with religiosity and how the latter interferes in the meaning attributed to death by this specific population. Open and closed questions on death or the act of dying, and on the singular religious experience of the participants were applied. Written protocols were collected from a sample of 80 professionals (49 physicians, 13 psychologists, and 18 nurses), which were analyzed according to content analysis and non-metric multidimensional analysis, SSA (Similarity Structure Analysis), and interpreted according to the theory of Social Representations, revealing a significant interference of religious believes in the structure of death representation.
Remarks on least energy solutions for quasilinear elliptic problems in $R^N$
Joao Marcos Do O,Everaldo S. Medeiros
Electronic Journal of Differential Equations , 2003,
Abstract: In this work we establish some properties of the solutions to the quasilinear second-order problem $$ -Delta_p w=g(w)quad hbox{in } mathbb{R}^N $$ where $Delta_p u=mathop{ m div}(| abla u|^{p-2} abla u)$ is the $p$-Laplacian operator and $ 1 Keywords Variational methods --- minimax methods --- superlinear elliptic problems --- p-Laplacian --- ground-states --- moutain-pass solutions
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