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Palinologia de espécies da tribo Eupatorieae (Compositae Giseke) ocorrentes na Restinga de Carapebus, Carapebus, Rio de Janeiro
MENDON?A, CLAUDIA BARBIERI FERREIRA;GON?ALVES-ESTEVES, VANIA;
Brazilian Journal of Botany , 2000, DOI: 10.1590/S0100-84042000000200009
Abstract: seven taxa belonging to the tribe eupatorieae have been studied palynologically. this tribe is represented by the following species: barrosoa atlantica king & robins., b. betonicaeformis (dc.) king & robins., mikania belemii king & robins., m. cordifolia willd., m. glomerata spreng., m. micrantha h.b.k., m. trinervis hook & arn. and trichogoniopsis podocarpa (dc.) king & robins. which were found in the "restinga" of carapebus, rio de janeiro, rj, brazil. the results showed that the tribe presented small or medium, oblate spheroidal to prolate spheroidal, tricolporate pollen grains, sexine with spines and cavea. these taxa could be separated when the pollinic shape and the dimensions of the spine (width, height and distance between them) were considered. after this, two groups were formed: the first one presented pollen grains with oblate spheroidal shape (barrosoa atlantica, mikania micrantha, m. trinervis) whereas in the second one the species showed prolate spheroidal shape (barrosoa betonicaeformis, mikania belemii, m. cordifolia, m. glomerata and trichogoniopis podocarpa). considering the results obtained and current literature, it is concluded that this tribe is palynologically homogeneous, although most of the species could be sorted out according to the pollen grains, except m. glomerata from t. podocarpa and m. belemii from m. cordifolia.
Palinotaxonomia de espécies de Apocynaceae ocorrentes na Restinga de Carapebus, Carapebus, RJ, Brasil
Moreira, Fábio de Fran?a;Mendon?a, Cláudia Barbieri Ferreira;Pereira, Jorge Fontella;Gon?alves-Esteves, Vania;
Acta Botanica Brasilica , 2004, DOI: 10.1590/S0102-33062004000400002
Abstract: eleven species of apocynaceae belonging to seven genera were palynologically studied in this work. the species occur in the "restinga" of carapebus, located on the north coast of rio de janeiro state. the species were as followed: aspidosperma parvifolium a. dc.; forsteronia leptocarpa (hook. & arns.) a. dc.; himatanthus lancifolius (müll. arg.) woodson; mandevilla fragrans (stadelm.) woodson; mandevilla sp.; m. moricandiana (a. dc.) woodson; m. tenuifolia (j.c. mikan) woodson; prestonia coalita (vell.) woodson; rhabdadenia pohlii müll. arg.; tabernaemontana flavicans willd. ex roem. & schult.; t. laeta mart. the pollen grains were treated by the lactical acetolysis method, measured, described and illustrated by light microscopy and scanning electronic microscopy. the results obtained showed that two large groups can be identified: colporate pollen grains - aspidosperma parvifolium (5-6-colporate, psilate exine, rugulate only apocolpus), himatanthus lancifolius (3-colporate, reticulate exine), tabernaemontana flavicans (4-colporate, endocingulate endoaperture) and t. laeta (3-4-colporate, rugulate exine); porate pollen grains - forsteronia leptocarpa, the four species of mandevilla, prestonia coalita, rhabdadenia pohlii. it was concluded that the genera could be separated by pollinical characters and within genera their species studied are heterogeneous palynologically.
Palinologia de espécies da tribo Eupatorieae (Compositae Giseke) ocorrentes na Restinga de Carapebus, Carapebus, Rio de Janeiro
MENDON?A CLAUDIA BARBIERI FERREIRA,GON?ALVES-ESTEVES VANIA
Brazilian Journal of Botany , 2000,
Abstract: Foram estudados os gr os de pólen de sete táxons pertencentes à tribo Eupatorieae, ocorrentes na Restinga de Carapebus, Carapebus, Estado do Rio de Janeiro. S o eles: Barrosoa atlantica King & Robins., B. betonicaeformis (DC.) King & Robins., Mikania belemii King & Robins., M. cordifolia Willd., M. glomerata Spreng., M. micrantha H.B.K., M. trinervis Hook & Arn. e Trichogoniopsis podocarpa (DC.) King & Robins. A tribo apresentou em comum, gr os de pólen pequenos a médios, oblato-esferoidais a prolato-esferoidais, tricolporados, sexina espinhosa e cavada. Os táxons puderam ser separados quando foram consideradas a forma polínica, as dimens es do espinho e a distancia entre eles. Assim, foi possível formar dois conjuntos de espécies identificados pela forma polínica: o primeiro, com forma oblato-esferoidal, composto por Barrosoa atlantica, Mikania micrantha e M. trinervis e o segundo, com forma prolato-esferoidal, composto por Barrosoa betonicaeformis, Mikania belemii, M. cordifolia, M. glomerata e Trichogoniopsis podocarpa. Os resultados obtidos, em compara o à literatura corrente, permitem concluir que a tribo Eupatorieae é, palinologicamente, homogênea, porém algumas espécies podem ser separadas pelo gr o de pólen, exceto M. glomerata de T. podocarpa e M. belemii de M. cordifolia.
Contribui o à gest o das Lagoas Costeiras  [cached]
Marcos Cezar dos Santos
Vértices , 2010,
Abstract: Contribui o à gest o das Lagoas Costeiras: conhecimento tradicional, técnico e científico associado ao manejo dos recursos naturais da Lagoa de Carapebus, Parque Nacional da Restinga de Jurubatiba – RJ, Campos dos Goytacazes, RJ, 2008. 136 f. Disserta o (Mestrado em Engenharia Ambiental) – Centro Federal de Educa o Tecnológica de Campos Contribution to the management of Coastal Lagoons: traditional, scientific and technical knowledge associated with the management of natural resources of the Carapebus Lagoon, Jurubatiba National Park – RJ. Campos dos Goytacazes, RJ, 2008, 136 f. Dissertation (Professional Master’s in Environmental Engineering)
Morcegos (Chiroptera) capturados em lagoas do Parque Nacional da Restinga de Jurubatiba, Rio de Janeiro, Brasil
Luz, Júlia Lins;Mangolin, Renato;Esbérard, Carlos Eduardo Lustosa;Bergallo, Helena de Godoy;
Biota Neotropica , 2011, DOI: 10.1590/S1676-06032011000400016
Abstract: the aim of this study was to perform a list of bat species captured in six lagoons in the parque nacional da restinga de jurubatiba, rio de janeiro state, brazil. the park is located about 180 km eastward of rio de janeiro city and covers the municipalities of macaé, carapebus and quissam?. the region is dominated by sand dunes and sand ridges formed in the quaternary. we captured 149 bats belonging to three families and 14 species. most species caught in restinga de jurubatiba were frugivores, partly due to technique employed, mist-net, that favors the capture of individuals of the phyllostomidae family. five species are uncommonly captured in bats inventories (uroderma magnirostrum, lasiurus cinereus, lophostoma brasiliense, chiroderma villosum and diaemus youngi). species caught varied among lagoons, showing the importance of these habitats for maintaining the diversity of bats.
Structure of Poduromorpha (Collembola) communities in "restinga" environments in Brazil
Fernandes, Liliane Henriques;Nessimian, Jorge Luiz;Mendon?a, Maria Cleide de;
Pesquisa Agropecuária Brasileira , 2009, DOI: 10.1590/S0100-204X2009000800036
Abstract: the objectives of this work were to evaluate the richness and diversity of the poduromorpha fauna in two biotopes in restinga de maricá, rj, brazil, to identify the characteristic species of each biotope and to determine the relationships between the community structure and the abiotic environmental parameters. representatives of the poduromorpha (collembola) order were studied under an ecological viewpoint in halophyte-psammophyte vegetation and foredune zone in preserved areas of restinga de maricá, a sand dune environment in the state of rio de janeiro, brazil. the foredune zone showed the highest diversity, richness and equitability of springtail species. differences in the fundamental, accessory and accidental species in each environment were encountered. paraxenylla piloua was found to be an indicator species of the halophyte-psammophyte vegetation, while friesea reducta, pseudachorutes difficilis and xenylla maritima were indicators of the foredune zone. the canonical correspondence analysis indicated ph, organic matter content and soil humidity as the most important factors influencing the spatiotemporal distribution of the species.
Análise florística das pteridófitas do Parque Nacional da Restinga de Jurubatiba, Rio de Janeiro, Brasil
Santos, Marcelo Guerra;Sylvestre, Lana da Silva;Araujo, Dorothy Sue Dunn de;
Acta Botanica Brasilica , 2004, DOI: 10.1590/S0102-33062004000200007
Abstract: the restinga de jurubatiba national park is located on the northern coast of rio de janeiro state (municipalities of macaé, carapebus and quissam?). there are 12 families, 21 genera and 32 species, with the following families present: blechnaceae, cyatheaceae, davalliaceae, dennstaedtiaceae, dryopteridaceae, gleicheniaceae, lycopodiaceae, polypodiaceae, pteridaceae, salviniaceae, schizaeaceae and thelypteridaceae. the most species-rich families are pteridaceae (5 spp.) and polypodiaceae (5 spp.). nephrolepis, polypodium and thelypteris were the richest genera. of the 32 species recorded for the area, 23 are terrestrial herbs, three are epiphytes, three are aquatics, two are arborescent and one is a hemiepiphyte. the periodically flooded forest was the richest in species and families; the beach thicket presented the lowest values. the fern flora of several areas of restinga on the brazilian coast showed low similarity values; this is also true for restingas and atlantic forest. blechnum serrulatum and polypodium triseriale are commonly found in areas of restinga. of the 32 species studied, 17 have economic potential (medicinal, ornamental and food).
Diet and foraging of the endemic lizard Cnemidophorus littoralis (Squamata, Teiidae) in the restinga de Jurubatiba, Macaé, RJ
Menezes, V. A.;Amaral, V. C.;Sluys, M. V.;Rocha, C. F. D.;
Brazilian Journal of Biology , 2006, DOI: 10.1590/S1519-69842006000500005
Abstract: we investigated the diet and foraging of the endemic teiid lizard cnemidophorus littoralis in a restinga habitat in jurubatiba, macaé - rj. the stomach contents were removed, analyzed and identified to the order level. there was no relationship between c. littoralis morphological variables and number, length or volume of preys. termites (48.7%) and larvae (35.5%) were the most important prey items which occurred in the examined lizards′ stomachs. the diet did not differ between males and females. cnemidophorus littoralis is an active forager and predominantly consumes relatively sedentary prey or prey that is aggregated in the environment. we also found an intact and undigested hatchling of the crepuscular/nocturnal gekkonid lizard hemidactylus mabouia in the stomach of an adult male of c. littoralis, which indicates that c. littoralis is a potential source of mortality for individuals of h. mabouia in the restinga de jurubatiba.
Wood anatomy of Mollinedia glabra (Spreng.) Perkins (Monimiaceae) in two Restinga Vegetation Formations at Rio das Ostras, RJ, Brazil
Novaes, Fernanda da S.;Callado, Cátia H.;Pereira-Moura, Maria Ver?nica L.;Lima, Helena R.P.;
Anais da Academia Brasileira de Ciências , 2010, DOI: 10.1590/S0001-37652010000400014
Abstract: this paper aimed to characterize the anatomical structure of the wood of specimens of mollinedia glabra (spreng.) perkins growing in two contiguous formations of restinga vegetation at praia virgem, in the municipality of rio das ostras, rj. both the open palmae (ops) and the sandy strip closed shrub (sscs) formations are found in coastal regions that receive between 1,100 and 1,300 mm of rainfall per year. sapwood samples were collected in both formations. typical anatomical features for this species include: solitary vessels, radial multiples or clusters elements, that are circular to angular in outline, 5-15 barred scalarifor perforation plates, ood parenchya scanty, septate fiber-tracheids, and wide multiseriate rays with prismatic crystals. statistical analyses indicated a significant increase in the frequency of vessel elements and an increase in fiber-tracheid diameters in ops individuals. these characteristics are considered structural adaptations to increased water needs caused by a greater exposure to sunlight. continuous pruning may be responsible for the tyloses observed in ops plants. the greater lengths and higher frequencies of the rays in sscs trees ay be due to the greater diaeters of their branches. ur results suggest that . glabra develops structural adaptations to the restinga micro-environmental variations during its development.
Cytogenetics of the Brazilian whiptail lizard Cnemidophorus littoralis (Teiidae) from a restinga area (Barra de Maricá) in Southeastern Brazil
Peccinini-Seale, D.;Rocha, C. F. D.;Almeida, T. M. B.;Araújo, A. F. B.;De Sena, M. A.;
Brazilian Journal of Biology , 2004, DOI: 10.1590/S1519-69842004000400014
Abstract: chromosomes of cnemidophorus littoralis, a new species of teiid lizard recently described, were studied. the animals are from a restinga area in barra de maricá, rj. the karyotype presents a diploid number of 2n = 46 chromosomes and a chromosomal sex determination mechanism of the type xx:xy. nucleolar organizer regions, ag-nors, are at the sixth pair of chromosomes; there is variability of size and number of the ag-stained nucleoli on the 50 interphase nuclei for each specimen analyzed. these nucleoli are related to nor patterns that also demonstrated variability in size and number. this paper presents the first description of the karyotype of cnemidophorus littoralis and of a chromosomal sex determination mechanism of the xx:xy type in the genus cnemidophorus from southeastern brazil.
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