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| Registros recuperados: 1.641 | |
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| Salm,Rodolfo; Jalles-Filho,Euphly; Schuck-Paim,Cynthia. |
| In this study we propose a model that represents the importance of large arborescent palms in the dynamics of seasonally-dry Amazonian forests. Specifically, the model is aimed at guiding the investigation of the role of large arborescent palms on forest regeneration and succession. Following disturbance, the high level of luminosity reaching recently formed forest gaps favors the quick proliferation of shade-intolerant lianas that, by casting shade on the crowns of mature forest trees and increasing tree-fall probability, suppress forest succession. Due to their columnar architecture palm trees are, however, not severely affected by vines. As the palms grow, the canopy at the gaps becomes gradually higher and denser, progressively obstructing the passage... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Amazon; Attalea maripa; Forest dynamics; Palm trees; Regeneration. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032005000300011 |
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| Rodrigues,Alene Ramos; Maia,Valéria Cid; Wenzel,Cristina Rodrigues; Mendonça Junior,Milton de Souza. |
| Fernandesia meridionalis Rodrigues & Maia, a new genus and species of Cecidomyiidae associated with Myrciaria delicatula O. Berg (Myrtaceae) is described and illustrated (male, female, pupa, and larva) based on material from Rio Grande do Sul, Brazil. The new genus belongs to Lasiopteridi, but it cannot be placed to tribe. A key to the tribes of Lasiopteridi and one to the unplaced genera of Neotropical Lasiopteridi are given. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Myrciaria; Galler insect; Taxonomy; Rio Grande do Sul. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032013000200063 |
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| Frota,Augusto; Ota,Renata Rúbia; Deprá,Gabriel de Carvalho; Ganassin,Maria Julia Mileo; Graça,Weferson Júnio da. |
| Abstract: The rio das Cinzas and rio Itararé basins are important tributaries of the rio Paranapanema, a major left-bank tributary of the upper rio Paraná basin. The upper reaches of both drainages intersect the northern portion of the APA Escarpa Devoniana (Devonian Escarpment Environment Protection Area, EPA), an area considered crucial for the preservation of biodiversity. This study aimed to provide an ichthyofaunistic inventory for headwater streams of the rio das Cinzas and rio Itararé basins, both within and off of the borders of the EPA, increasing the knowledge about the species already known from streams in the rio Paranapanema system. We found 32 fish species, representing five orders and 12 families. Siluriformes was the richest order followed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Altitudinal gradient; Devonian Escarpment; Faunal exchange; Upper rio Paraná. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032020000100303 |
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| Streck-Marx,Morgana Taís; Castiglioni,Daniela da Silva. |
| Abstract: The current study describes a new species of Hyalella found in a natural pond at the municipality of Palmeira das Missões, located in the northwestern region of state of Rio Grande do Sul, southern Brazil. The new species differs from other species found in state of Rio Grande do Sul (Hyalella bonariensis, H. castroi, H. kaigang, H. imbya, H. georginae, H. gauchensis, H. montenegrinae and H. pampeana) in the type and number of setae on uropods, on telson and on the inner face of gnathopod 1. Besides, Hyalella palmeirensis is morphologically similar to H. curvispina, especially in the shape and number of setae of uropods. However, H. palmeirensis differs from H. curvispina in having only two simple setae on telson, the inner face of gnathopod 1... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Freshwater crustaceans; Hyalella; Peracarida; Taxonomy. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032020000100203 |
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| Santos,Tatiana Chrysostomo; Costa,Janira Martins; Carriço,César. |
| A new species of Neocordulia is described and illustrated based on a reared male, collected at Cachoeira da Eubisose stream, São Tomé das Letras, Minas Gerais State, Brazil. The Holotype is deposited in the Museu Nacional, UFRJ, Rio de Janeiro, Brazil. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dragonfly; Anisoptera; Stream; Taxonomy; Brazil. |
| Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032010000200011 |
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| Calor,Adolfo Ricardo. |
| The endemic Neotropical long-horned caddisfly subgenus Notalina (Neonotalina) Holzenthal contains nine described species in two species groups, the brasiliana and roraima groups, from the Brazilian Southeastern and Amazonian regions, respectively. In this paper, a new species of Notalina in the brasiliana species group, from Chapada dos Veadeiros National Park, Goiás state, Brazil, is described and illustrated. The new species is easily recognized by the following character set: presence of two pairs of processes on abdominal segment X; presence of well-developed basoventral protuberances, mesally directed in ventral view; presence of triangle-shaped, acuminated mesoventral process on the inferior appendages; and phallic apparatus with flanges slightly... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Caddisflies; Description; Hudsonemini; Neotropical; Taxonomy. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032008000300016 |
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| Henriques-Oliveira,Ana Lucia; Spies,Márcia Regina; Dumas,Leandro Lourenço. |
| The Neotropical subgenus Notalina (Neonotalina) Holzenthal, 1986 has ten described species in two species groups: brasiliana, formed by seven species from Southeastern Brazilian and Goiás State; and roraima, represented by three species from the Amazonian and Andes regions. In this paper, a new species of Notalina is described and illustrated from specimens collected in the Mantiqueira mountain range, Southeastern Brazil. The new species belongs to the brasiliana group and is easily recognized by the poorly developed dorsomesal and ventrolateral processes and the pair of mound-like protuberances located mesolaterally on abdominal segment X, and by the robust, rounded mesoventral processes and long digitate mesodorsal processes of the inferior appendages. A... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Atlantic Forest; Neotropical; Hudsonemini; New species; Identification key. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400014 |
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| Ferreira,Angélica Cândida; Araújo,Josiane Silva; Almeida Jr,Eduardo Bezerra de; Zickel,Carmen Silvia. |
| Abstract: In the present work, we synonymize Micropholis compta under M. gardneriana due to the overlap of morphoanatomical characters and the absence of distinctive attributes, verified during taxonomic and anatomical study of the genus Micropholis for Brazil. This study provides an updated description of M. gardneriana, including macro- and micro-morphological data, a distribution map, and comments on conservation status, ecological and taxonomy. |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Chrysophylloideae; Leaf anatomy; Neotropics; South America; Taxonomy. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032020000100501 |
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| Registros recuperados: 1.641 | |
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