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Análise de dados secundários sobre a fauna de vertebrados da unidade fitogeográfica do Vale do Paranã. Infoteca-e
CAMARGO, N. F. de; AGUIAR, L. M. de S..
ABSTRACT: The Cerrado is one of the richest and most threatened biome in the world and its ecosystem Seasonally dry forest is the one that suffers most antropic pressure. It's important that conservation of The Paranã River Valley increases because it presents a greater amount of dry forest in the Cerrado. According to data compilation from literature, 120 mammal species, 179 bird species, 109 reptile species and 44 amphibian species were registered in Paranã-Pirineus corridor counties. Few studies were made about this region fauna and it's hard to estimate the precise diversity at Paranã River Valley. However, the species richness presented here shows how important this ecosystem is for the fauna´s maintenance. For that, this data compilation about...
Tipo: Documentos (INFOTECA-E) Palavras-chave: Fauna; Vertebrado; Cerrado; Conservação; Biodiversidade; Vertebrates; Conservation; Biodiversity.
Ano: 2007 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/571978
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Nematodes of Amazonian vertebrates deposited in the Helminthological Collection of the Oswaldo Cruz Institute with new records Zoologia
Gonçalves,Alessandra Queiroga; Vicente,Joaquim Júlio; Pinto,Roberto Magalhães.
In this work 28 nematode samples from amphibians, reptiles, birds and mammals captured in the State of Amazonas, Brazil, and deposited in the Helminthological Collection of the Oswaldo Cruz Institute between 1927 and 1955, were studied. Oswaldocruzia sp. and Physaloptera sp. (from amphibians), Skrjabinura spiralis Gnedina, 1933 (from birds), Mammomonogamus laryngeus (Railliet, 1899) Ryzikov, 1948 and Trichuris gracilis (Rud, 1819) Hall, 1916 (from mammals) are reported from the State of Amazonas for the first time. Oswaldocruzia mazzai Freitas & Lent, 1935, Oswaldocruzia lopesi Travassos, 1938, Aplectana membranosa (Schneider, 1866) Miranda, 1924, Physaloptera retusa Rudolphi, 1819, Capillaria sp., and Cosmocerca sp. (from amphibians), Diplotriaena...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nematodes; Vertebrates; State of Amazonas; New records; Brazil.
Ano: 2002 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752002000200011
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Taxonomic groups with lower movement capacity may present higher beta diversity Iheringia, Sér. Zool.
Silva,Vinícius X. da; Sacramento,Mario; Hasui,Érica; Cunha,Rogério G. T. da; Ramos,Flavio N..
ABSTRACT Diversity analysis by partition is an approach employed in order to understand how communities spatially structure themselves and the factors that operate in the generation and maintenance of distribution patterns. We examined the spatial structure of species diversity of four taxonomic groups, with different dispersal abilities, in 16 forest fragments in the southern region of the state of Minas Gerais, Brazil. Specifically, we tested: i) if the similarity in species composition would be negatively related to geographical distance between the 16 fragments; and ii) if the beta diversity of the different groups could be negatively related to their dispersal abilities. Alpha diversity and the compositional similarity between localities were both...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Complementarity; Dispersal ability; Vertebrates; Spermatophytes; Atlantic Forest.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212017000100205
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Control of respiration in fish, amphibians and reptiles BJMBR
Taylor,E.W.; Leite,C.A.C.; McKenzie,D.J.; Wang,T..
Fish and amphibians utilise a suction/force pump to ventilate gills or lungs, with the respiratory muscles innervated by cranial nerves, while reptiles have a thoracic, aspiratory pump innervated by spinal nerves. However, fish can recruit a hypobranchial pump for active jaw occlusion during hypoxia, using feeding muscles innervated by anterior spinal nerves. This same pump is used to ventilate the air-breathing organ in air-breathing fishes. Some reptiles retain a buccal force pump for use during hypoxia or exercise. All vertebrates have respiratory rhythm generators (RRG) located in the brainstem. In cyclostomes and possibly jawed fishes, this may comprise elements of the trigeminal nucleus, though in the latter group RRG neurons have been located in the...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Vertebrates; Control of respiration; Respiratory rhythm generation; Water and air breathing; Chemoreceptors; Mechanoreceptors.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000500001
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Evolution of circadian organization in vertebrates BJMBR
Circadian organization means the way in which the entire circadian system above the cellular level is put together physically and the principles and rules that determine the interactions among its component parts which produce overt rhythms of physiology and behavior. Understanding this organization and its evolution is of practical importance as well as of basic interest. The first major problem that we face is the difficulty of making sense of the apparently great diversity that we observe in circadian organization of diverse vertebrates. Some of this diversity falls neatly into place along phylogenetic lines leading to firm generalizations: i) in all vertebrates there is a "circadian axis" consisting of the retinas, the pineal gland and the...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Circadian rhythms; Evolution; Vertebrates; Pineal; SCN; Retina; Melatonin.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000300003
Registros recuperados: 5
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