Home Itens selecionados Provedores de dados OAI Créditos Sobre Ajuda

			Busca avançada
	Provedor de dados Rev. Bras. Bot. (6) Acta Botanica (3) Rev. Bras. Zool. (2) Zoologia (2) Infoteca-e (2) BABT (2) Biological Sciences (1) Biota Neotropica (1) BJB (1) Braz. J. Plant Physiol. (1) Neotropical Entomology (1) Mais... Autor Aguiar,Lucas M. (2) Hilst,Carmen L. S. (2) Ludwig,Gabriela (2) Navarro,Italmar T. (2) Passos,Fernando C. (2) Schiavini,Ivan (2) Svoboda,Walfrido K. (2) ALBUQUERQUE, L. B. de (1) ALONSO, A. M. (1) AQUINO, F. de G. (1) Acevedo-Rodriguez,Pedro (1) Aide,T. Mitchell (1) Andrade-Núñez,María José (1) Arantes,Carolina de Silvério (1) BEGOVACZ,A. (1) Bernasol, Wilson Pereira; UFG (1) Branco,Marina C (1) Bucci,Sandra J. (1) DELITTI,WELINGTON B. C. (1) Dias-Neto,Olavo Custódio (1) Mais... Palavra-chave Gallery forest (22) Cerrado (5) Cerradão (3) Savanna (3) Brazil (2) Mata Ciliar (2) Mata de galeria (2) Recruitment (2) Riparian forest (2) Aggregated distribution (1) Allometry (1) Amazon basin (1) Anatomical plasticity (1) Biomass (1) Black-and-gold howler (1) Buried seeds (1) Campos (1) Cerrado sensu stricto (1) Ciencias Biologicas (1) Ciliar vegetation (1) Mais... Tipo do documento Info:eu-repo/semantics/article (19) Artigo de periódico (1) Estrutura espacial (1) Folhetos (1) Ano 2014 (1) 2013 (1) 2012 (1) 2011 (2) 2010 (3) 2008 (2) 2007 (1) 2004 (1) 2003 (1) 2002 (1) 2000 (1) 1999 (4) 1997 (2) 1990 (1) Mais... País Brazil (22) Idioma Inglês (16) Português (6)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 22 Primeira ... 1 2 ... Última Gochnatia polymorpha (Less.) Cabrera (Asteraceae) changes in leaf structure due to differences in light and edaphic conditions Acta Botanica Rossatto,Davi Rodrigo; Kolb,Rosana Marta. Gochnatia polymorpha (Less.) Cabrera is a widespread Asteraceae species found in different physiognomies of cerrado (Neotropical savanna) and in forest formations of southeast Brazil. This study describes some leaf anatomy characteristics of this species and quantitatively evaluates them in relation to different environments, as well as under different light conditions. We found quantitative differences in all anatomical parameters analyzed. The results demonstrate that high leaf anatomy plasticity is an adaptive advantage that allows this species to occur in diverse cerrado conditions. Tipo: Info:eu-repo/semantics/article Palavras-chave: Anatomical plasticity; Gallery forest; Leaf morphology; Neotropical savanna; Stomatal frequency. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062010000300002 Distributional patterns in Brazilian Serjania (Sapindaceae) Acta Botanica Acevedo-Rodriguez,Pedro. The present paper analyzes the distribution of Serjania in Brazil, by comparing and contrasting the species occuring in three major phytogeographic regions: the Atlantic coast, the planalto, and the Amazon basin. The Atlantic coast region has the highest percent (70%) of species endemic to the area, and shares many species with the planalto region. The planalto region shares most of its species with the Atlantic coast and the neighboring countries, but still has a 33% of endemic species to the area. The Amazon basin has only a 4% of species endemic to the area, with most of the reminder species widely distributed through-out the area. Tipo: Info:eu-repo/semantics/article Palavras-chave: Serjania; Brazil; Mata Atlântica; Planalto; Amazon basin; Endemics; Cerrado; Gallery forest; Campos; Terra-firme; Forest; Restinga. Ano: 1990 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33061990000100005 Mortality, recruitment and growth of the tree communities in three forest formations at the Panga Ecological Station over ten years (1997-2007) Acta Botanica Oliveira,Ana Paula de; Schiavini,Ivan; Vale,Vagner Santiago do; Lopes,Sérgio de Faria; Arantes,Carolina de Silvério; Gusson,André Eduardo; Júnior,Jamir Afonso Prado; Dias-Neto,Olavo Custódio. The area evaluated in this study was a continuous stretch comprising three vegetation formations: gallery forest, semideciduous seasonal forest and cerradão (woodland savanna). The aim of this study was to examine the tree community dynamics in a forest gradient-from gallery forest to cerradão-at Panga Ecological Station, in the city of Uberlandia, located in the state of Minas Gerais, Brazil. The study was based on data from a previous inventory of the continuous forest conducted in 211 permanent 10 × 10 m sample plots in eight parallel transect running perpendicular to Panga Creek. Trees with a diameter at breast height > 4.77 cm were sampled in 1997, 2002 and 2007. With the exception of the cerradão, there was a net reduction in tree density over the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Forest dynamics; Gallery forest; Semideciduous seasonal forest; Woodland savanna; Savanna. Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062014000200010 Estrutura espacial e deposição de sementes de Hymenaea courbaril L. em um fragmento florestal no sudoeste goiano - doi: 10.4025/actascibiolsci.v33i1.5881 Biological Sciences Lima-Ribeiro, Matheus Souza; Universidade Federal de Goias; Rezende, Sueisla Lopes; UFG; Bernasol, Wilson Pereira; UFG. O objetivo do presente trabalho é identificar e descrever o padrão de distribuição espacial de Hymenaea courbaril L. (Fabaceae) e os fatores condicionantes em um fragmento florestal, denominado Mata do Açude, município de Jataí Estado de Goiás. O procedimento adotado para coleta dos dados espaciais foi o método da distância conhecido como T – Square, utilizado para duas classes de tamanho: jovens e adultos, com circunferência de caule inferior e superior a 15 cm, respectivamente. Os fatores condicionantes analisados foram o padrão espacial de deposição das sementes e as características do substrato (solo e serrapilheira). A estrutura espacial da população foi identificada pelo teste de Hines (ht), a qual apresentou distribuição agregada, tanto para... Tipo: Estrutura espacial Palavras-chave: Ciencias Biologicas; Ecologia; Ecologia Aplicada método T – square; Mata de galeria; Distribuição agregada; Recrutamento T - square method; Gallery forest; Aggregated distribution; Recruitment. Ano: 2011 URL: http://periodicos.uem.br/ojs/index.php/ActaSciBiolSci/article/view/5881 The orchid bee fauna (Hymenoptera, Apidae) of a core area of the Cerrado, Brazil: the role of riparian forests as corridors for forest-associated bees Biota Neotropica Faria,Luiz Roberto Ribeiro; Silveira,Fernando Amaral da. The composition of local orchid-bee faunas (Hymenoptera, Apidae, Euglossina) in open-vegetation domains is poorly known, making the ecology and biogeography of the group difficult to understand. The aim of this work was to answer the following questions: i) Is the orchid-bee fauna composition, species richness and abundance in the cerrado (Brazilian savanna) sensu stricto similar to that of riparian forests immersed in that domain? ii) Do species from neighboring forest domains use riparian forests as mesic corridors into the Cerrado? Two sites in cerrado s.s. and two in riparian forests were sampled monthly, one day per month, during one year (Nov/2003-Oct/2004) in northwestern Minas Gerais state, Brazil. Six aromatic compounds (β-ionone, 1,8-cineole,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Euglossina; Riparian forest; Gallery forest; Savanna; Landscape ecology. Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032011000400009 The seed bank of a gallery forest in Southeastern Brazil BABT Grombone-Guaratini,Maria Tereza; Leitão Filho,Hermógenes de Freitas; Kageyama,Paulo Yoshio. The soil seed bank was studied in a gallery forest in Southeastern Brazil. Samples were collected from edge to edge along transects perpendicular to the river during the wet (December, 1990) and dry (August, 1991) seasons. The number of seeds found in the seed bank samples was greater in the dry season than in the wet season indicating that there was important variation in the seed stocks in these two periods. The similarity values between the seed bank and the community composition were low. The high density of weed species might be reflecting forest fragmentation and indicating a degree of perturbation. Tipo: Info:eu-repo/semantics/article Palavras-chave: Forest regeneration; Forest succession; Gallery forest; Soil seed-bank. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000500015 Spatial heterogeneity and its influence on Copaifera langsdorffii Desf. (Caesalpiniaceae) BABT Resende,Júlio Carlos França; Klink,Carlos Augusto; Schiavini,Ivan. Population dynamics and structure of young individuals of the tree Copaifera langsdorffii Desf. (Caesalpiniaceae) were studied in the gallery forest of the Panga Ecological Station, Uberlândia, MG, Brazil. Three distinct habitats were recognized in this forest, Dike, Middle and Edge zone. Four annual surveys of plant height, diameter at plant base and density were made between 1993 and 1996. The species showed an aggregated distribution in all three habitats. Population structure in all four surveys presented the typical reversed "J" form, characteristic of populations in local regeneration. For the whole population, mortality rates during the four years were constant and low (average of 4.8 % per year), while recruitment declined during the same period... Tipo: Info:eu-repo/semantics/article Palavras-chave: Gallery forest; Seedling; Recruitment; Mortality; Growth; Saplings. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132003000300012 Fern spore bank at Pedregulho (Itirapina, São Paulo, Brazil) BJB SIMABUKURO,E. A.; BEGOVACZ,A.; ESTEVES,L. M.; FELIPPE,G. M.. This paper presents an analysis of pteridophyte spore bank the site of Pedregulho, in Itirapina, state of São Paulo, Brazil. The samples of soil were collected in February (rainy season) and August (dry season) in four localities: open cerrado, cerradão, gallery forest and a disturbed area at depths of 0-5, 5-10 and 10-15 cm. The samples were collected in duplicate. Of the duplicates, one was used for spore counting and the second one for spore germination. In the cerrado, cerradão and gallery forest soil samples the values for pteridophyte spores were similar in the rainy and dry season, but in the disturbed area the percentage of spores was higher in the rainy season than in the dry season. The number of pteridophyte spores decreased with soil depth in... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fern spore bank; Gametophytes; Cerrado; Cerradão; Gallery forest; Brazil. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0034-71081999000100017 Plant- and stand-level variation in biophysical and physiological traits along tree density gradients in the Cerrado Braz. J. Plant Physiol. Scholz,Fabian G.; Bucci,Sandra J.; Goldstein,Guillermo; Meinzer,Frederick C.; Franco,Augusto C.; Salazar,Ana. The objective of this study was to characterize and understand morphological and physiological variation in traits related to water economy, at the plant and stand level, along a gradient of tree density in a Neotropical savanna (Cerrado). Cerrado plots subjected to long-term fertilization and gallery forests were also included in the analysis to expand the axes of ecosystem variation. Consistent changes in stand level biophysical traits observed along the gradient of increasing tree density included a decrease in weighted-average wood density, and increases in leaf surface area per plant, leaf specific hydraulic conductivity, specific leaf area and stomatal conductance. A conceptual model of biophysical, morphological and physiological trait interactions... Tipo: Info:eu-repo/semantics/article Palavras-chave: Gallery forest; Hydraulic architecture; Nutrients; Savannas; Specific leaf area; Wood density. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202008000300006 Fitossociologia de uma mata de galeria na Fazenda Sucupira do Cenargen, Brasilia/DF. Infoteca-e SAMPAIO, A. B.; NUNES, R. V.; WALTER, B. M. T.. Tipo: Artigo de periódico Palavras-chave: Diversidade; Diversity; Gallery forest; Mata Ciliar; Vegetação; Phytosociology. Ano: 1997 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/182834 Cerrado: restauração de matas de galeria e ciliares. Infoteca-e AQUINO, F. de G.; ALBUQUERQUE, L. B. de; ALONSO, A. M.; LIMA, J. E. F. W.; SOUSA, E. dos S. de. A vegetação é parte importante no equilíbrio da Terra, pois permite manter a vida dos animais, a qualidade do solo e da água. Devido a sua importância, esta cartilha apresenta conceitos e técnicas para conservar e recuperar um tipo particular de vegetação, as matas de galeria, importantes para a preservação de rios que fazem parte das bacias hidrográficas no Cerrado. Tipo: Folhetos Palavras-chave: Mata de galeria; Restauração; Riparian vegetation; Gallery forest; Restoration; Enviroment; Savanna; Nature conservation; Ciliar vegetation; Flora; Mata Ciliar; Meio Ambiente. Ano: 2012 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/920222 Alternative food sources and overwintering feeding behavior of the boll weevil, Anthonomus grandis boheman (coleoptera: curculionidae) underthe tropical conditions of central Brazil Neotropical Entomology Ribeiro,Paulina de A; Sujii,Edison R; Diniz,Ivone R; Medeiros,Maria A de; Salgado-Labouriau,Maria L; Branco,Marina C; Pires,Carmen S S; Fontes,Eliana M G. The boll weevil causes serious damage to the cotton crop in South America. Several studies have been published on this pest, but its phenology and behavior under the tropical conditions prevailing in Brazil are not well-known. In this study the feeding behavior and main food sources of adult boll weevils throughout the year in Central Brazil was investigated. The digestive tract contents of insects captured in pheromone traps in two cotton fields and two areas of native vegetation (gallery forest and cerrado sensu stricto) were analyzed. The insect was captured all through the year only in the cerrado. It fed on pollen of 19 different plant families, on Pteridophyta and fungi spores and algae cysts. Simpson Index test showed that the cerrado provided... Tipo: Info:eu-repo/semantics/article Palavras-chave: Pollen; Cerrado; Cotton; Gallery forest; Host plant. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000100005 Composição florística e estrutura fitossociológica de uma floresta ripária em Itutinga, MG, e comparação com outras áreas Rev. Bras. Bot. VAN DEN BERG,EDUARDO; OLIVEIRA-FILHO,ARY T.. A composição florística e a estrutura fitossociológica foram investigadas em uma área de 7,55 ha de floresta ripária em Itutinga, MG. Essa floresta acompanha um pequeno curso d’água e tem limites bem definidos com um campo limpo montano. O levantamento fitossociológico foi realizado em 28 parcelas de 10 x 30 m, onde todos os indivíduos com diâmetro do tronco à altura do solo igual ou maior que 5 cm foram registrados, tendo seus diâmetros medidos e alturas estimadas. O levantamento florístico baseou-se em coletas dentro e fora das parcelas. Encontraram-se 162 espécies pertencentes a 54 famílias. A área de estudos foi comparada com outras florestas dos Estados de São Paulo e Minas Gerais por meio de análises multivariadas. As áreas floristicamente mais... Tipo: Info:eu-repo/semantics/article Palavras-chave: Riparian forest; Gallery forest; Floristic composition; Phytosociological structure; Floristic and structural comparisons. Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042000000300002 The survival and establishment potential of spores of Cyathea delgadii Sternb. in soils from Itirapina and Moji Guaçu (SP), Brazil Rev. Bras. Bot. GUIMARÃES,THAIS DE BEAUCLAIR; FELIPPE,GIL M.. Germination of spores of Cyathea delgadii was carried out in soils collected in March 1997 (rainy season) at three depths (0-5, 5-10 and 10-15 cm) from the cerrado, open-cerrado, gallery forest and marsh at Moji Guaçu and cerradão, cerrado and gallery forest at Pedregulho, in Itirapina, both in the state of São Paulo, Brazil. Viability of spores mixed with soil and buried in the cerrado at the Reserva in Moji Guaçu were conducted for up to 10 months. The spores germinated in all soils. Germination in the soils was significantly lower than in distilled water. Germination was higher in soils from the gallery forest and cerrado than from open cerrado, cerradão and marsh. The germination was the same in the soil samples from the three depths of gallery forest,... Tipo: Info:eu-repo/semantics/article Palavras-chave: Fern spores; Soil storage; Cerrado; Gallery forest; Marsh. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000300006 Fitomassa epigéa da mata ciliar do rio Mogi-Guaçu, Itapira - SP Rev. Bras. Bot. MOREIRA-BURGER,DÉBORAH; DELITTI,WELINGTON B. C.. Este trabalho teve como objetivos estimar a fitomassa epigéa da mata ciliar do rio Mogi-Guaçu e determinar a melhor equação preditiva da fitomassa arbórea. O trabalho foi realizado num fragmento de mata localizado no município de Itapira - SP (22°21'S e 46°51'W). Foram delimitadas 12 parcelas de 25 m², para determinação da fitomassa através do método destrutivo. Os indivíduos arbóreos foram identificados e cortados ao nível do solo. De cada árvore, foram tomadas medidas de perímetro basal e altura. As folhas foram separadas manualmente dos ramos para determinação do peso fresco da porção foliar e lenhosa. A vegetação herbácea-arbustiva, de porte inferior a 1,3 m, existente em 3 m² de cada parcela, foi cortada ao nível do solo e tomadas as medidas de peso... Tipo: Info:eu-repo/semantics/article Palavras-chave: Allometry; Biomass; Gallery forest. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000300011 Diameter and height distributions in a gallery forest tree community and some of its main species in central Brazil over a six-year period (1985-1991) Rev. Bras. Bot. Felfili,Jeanine Maria. (Diameter and height distributions in a gallery forest tree community and some of its main species in central Brazil over a six-year period (1985-1991)). The diameter and height structure were studied over six years in approximately 64 ha of the Gama gallery forest in Brasília, DF. Trees from 10 cm dbh were measured every three years from 1985 in 151 (10 x 20 m) permanent plots. Natural regeneration (individuals under 10 cm dbh) was measured in subplots within the 200 m² plots. Most individuals and species were under 45 cm diameter and 20 m high while the maximum diameter for individual species ranged from 30 to 95 cm. The diameter structure was typical of a mixed tropical forest with the number of individuals decreasing with increasing size classes and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Diameter; Height; Gallery forest; Tropics; Community structure. Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041997000200006 Relação entre distribuição de espécies arbóreas e topografia em um gradiente florestal na Estação Ecológica do Panga (Uberlândia, MG) Rev. Bras. Bot. Objetivou-se caracterizar a topografia da área estudada e avaliar sua relação com a distribuição das 20 principais espécies arbóreas amostradas em um gradiente florestal (galeria, mesófila semidecídua de encosta e cerradão), na Estação Ecológica do Panga, município de Uberlândia, Minas Gerais, Brasil. Utilizando-se mangueira de nível, foram medidos os desníveis entre pontos de 211 parcelas distribuídas em oito transectos. O gradiente florestal situa-se sobre uma vertente predominantemente convexa, voltada para Nordeste, com inclinação de cerca de 4% no topo até mais de 40% sobre rochas na base da formação. A sobreposição de mapas (distribuição das espécies e topográfico) mostrou que algumas das espécies são influenciadas positiva ou negativamente às... Tipo: Info:eu-repo/semantics/article Palavras-chave: Topography; Tree distribution; Gallery forest; Semideciduous forest; Cerradão. Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042002000300004 Number of buried seeds and seedlings emergence in cerradão, cerrado and gallery forest soils at Pedregulho, Itirapina (SP), Brazil Rev. Bras. Bot. SASSAKI,REGINA M.; RONDON,JOSIMARA N.; ZAIDAN,LILIAN B.P.; FELIPPE,G.M.. This study was carried out at the site named Pedregulho in the "Estação Experimental de Itirapina", Itirapina, state of São Paulo, Brazil. Soil samples were collected in the rainy and in the dry season at three depths in the gallery forest, cerrado and cerradão. The total number of seeds was counted after being separated from the soil by wet sieving and the number of viable seeds was determined by emergence of seedlings in soil samples in a greenhouse. The number of seeds and of emerged seedlings decreases as soil samples become deeper. The number of seeds was much larger in the cerrado in the dry season than in the rainy season, but it was lower in the dry than in the rainy season in the gallery forest. The number of seeds in the cerradão was similar in... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerrado; Cerradão; Gallery forest; Buried seeds. Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000200006 Effects of habitat and landscape characteristics on medium and large mammal species richness and composition in northern Uruguay Rev. Bras. Zool. Andrade-Núñez,María José; Aide,T. Mitchell. The increasing world population and demand for food and other products has accelerated the conversion of natural habitats into agricultural lands, plantations and urban areas. Changes in habitat and landscape characteristics due to land-use change can have a significant effect on species presence, abundance, and distribution. Multi-scale approaches have been used to determine the proper spatial scales at which species and communities are responding to habitat transformation. In this context, we evaluated medium and large mammal species richness and composition in gallery forest (n = 10), grassland (n = 10), and exotic tree plantation (n = 10) in a region where grasslands have been converted into exotic tree plantations. We quantified mammal species... Tipo: Info:eu-repo/semantics/article Palavras-chave: Conservation; Community; Gallery forest; Grassland; Plantations. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000600012 Species composition and temporal activity of Arctiinae (Lepidoptera: Erebidae) in two cerrado vegetation types Rev. Bras. Zool. Scherrer,Scheila; Ferro,Viviane G.; Ramos,Marina N.; Diniz,Ivone R.. Arctiinae moths include nearly 11,000 species worldwide, of which approximately 700 species occur in the Brazilian Cerrado. The aim of this study was to describe the species composition of Arctiinae, as well as the variation in annual and nightly moth activity, in two Cerrado vegetation types. We sampled moths one night per month from September 2008 to June 2009, in the gallery forest and in the cerrado sensu stricto in the Jardim Botânico de Brasília. We collected 395 tiger moths belonging to 65 morphospecies; 74% of the species belonged to the tribe Arctiini and 26% to Lithosiini. Thirty-one species (47.7%) occurred only in the gallery forest, 13 (20%) occurred only in the cerrado sensu stricto, and 21 (32.3%) occurred in both vegetation types.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerrado sensu stricto; Gallery forest; Moths; Seasonality; Time of activity. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702013000200010 Registros recuperados: 22 Primeira ... 1 2 ... Última

Empresa Brasileira de Pesquisa Agropecuária - Embrapa Todos os direitos reservados, conforme Lei n° 9.610 Política de Privacidade Área restrita		Embrapa Parque Estação Biológica - PqEB s/n° Brasília, DF - Brasil - CEP 70770-901 Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco