EDITORIAL NOTE First evidence of the Ediacaran fauna in Northeastern Brazil, an albino dolphin, and trophic groups of a bird community in Alagoas
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First evidence of the Ediacaran fauna in Northeastern Brazil, an albino dolphin, and trophic groups of a bird community in Alagoas.
In the last years, the Annals of the Brazilian Academy of Sciences (AABC) has published several interesting papers on paleontology, varying from Quaternary microfossils (Utida et al. 2012), Argentinean woods from Santa Cruz (Vera and Césari 2012), Cretaceous lizards (Simões 2012), and turtle eggs from China (Wang et al. 2013), just to mention a few. On the same lines, the present issue of the A...
متن کاملRichness, composition and trophic groups of an avian community in the Pernambuco Endemism Centre, Alagoas, Brazil.
In northeastern Brazil, the reduction of the natural forest cover to a series of small, isolated fragments has had negative consequences for the local avian fauna, in particular, a loss of the more specialized species, while the populations of some generalists have tended to increase. The present study focuses on the composition and trophic groups of a bird community on a farm in the northeaste...
متن کاملFirst ediacaran fauna occurrence in northeastern Brazil (jaibaras basin, ?ediacaran-cambrian): preliminary results and regional correlation.
This study reports the first known occurrence of the Ediacaran fauna in northeastern Brazil (at Pacujá Municipality, northwestern state of Ceará) and presents preliminary interpretations of its significance. Regional correlation indicates that the fossils originated in the Jaibaras Basin and that they may represent a new geological system. The depositional environment can be attributed to a flu...
متن کاملAcritarchs of the Ediacaran Frecheirinha Formation, Ubajara Group, Northeastern Brazil.
We report for the first time the occurrence of organic-walled microfossils in Ediacaran limestones and marls of the Frecheirinha Formation, Ubajara Group, and the first Precambrian acritarchs so far reported for northeastern Brazil. The assemblage of the Frecheirinha Formation represents a low-diversity microflora comprising Leiosphaeridia, Lophosphaeridium and subordinated Bavlinella (=Sphaero...
متن کاملFirst serologic evidence of human hantavirus infection in Alagoas State in Northeastern Brazil.
INTRODUCTION Hantavirus cardiopulmonary syndrome (HCPS) is rare in Northeastern Brazil. METHODS Prospective surveillance was conducted over a two-year period in Alagoas State, Northeastern Brazil. The prevalence of anti-hantavirus N-antigen IgM and IgG in human serum samples was determined by enzyme-linked immunosorbent assay testing. RESULTS High avidity IgG was found in nine of 476 serum ...
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تاریخ انتشار 2015