Results 101 to 110 of about 408,859 (199)

A new, conspicuously pigmented Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the Río Tigre, Loreto, Peru

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of Pyrrhulina is described based on morphological and molecular evidence. Pyrrhulina punctata is distinguished from all congeners by the presence of a series of 7 to 16 irregular blotches of dark pigmentation on the flanks, equally marked in juveniles and adult specimens, the presence of 26–28 lateral‐line scales, 17–21 maxillary
Andre Netto‐Ferreira   +4 more
wiley   +1 more source

Tendências populacionais de vertebrados de médio e grande porte em áreas protegidas da Amazônia brasileira

open access: yesBiodiversidade Brasileira
A atual crise de biodiversidade tem gerado uma demanda crescente por informações sobre o estado e as tendências da biodiversidade, especialmente em regiões megadiversas como os trópicos, onde há carência de dados.
Elildo Alves Ribeiro de Carvalho Junior   +4 more
doaj   +1 more source

Tratamento técnico, armazenamento e conservação de discos de vinil [PDF]

open access: yes, 2009
TCC (graduação em Biblioteconomia) - Universidade Federal de Santa Catarina, FlorianópolisA presente pesquisa busca contribuir para o aprimoramento do conhecimento acerca dos procedimentos de tratamento que os acervos de disco de vinil recebem em ...
Oliveira, Renilda Fátima de
core  

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

open access: yesJournal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro   +2 more
wiley   +1 more source

Range extension and first records of Coryphaenoides striaturus Barnard, 1925 and Coryphaenoides subserrulatus Makushok, 1976 (Macrouridae: Gadiformes) in Brazilian waters, Southwest Atlantic, using integrative taxonomy

open access: yesJournal of Fish Biology, EarlyView.
Abstract Coryphaenoides Gunnerus, 1765 comprises 66 valid species of deep‐sea fishes commonly known as grenadiers, with 6 previously reported from Brazilian waters. Here, we make the first records for Coryphaenoides striaturus and Coryphaenoides subserrulatus on the Brazilian continental slope. Both species are distributed in the subtropical regions of
Marcelo Roberto Souto de Melo   +4 more
wiley   +1 more source

The effect of habitat fragmentation in the diet of pine marten [PDF]

open access: yes, 2012
Tese de mestrado. Biologia (Biologia da Conservação). Universidade de Lisboa, Faculdade de Ciências, 2012The european pine marten Martes martes (Linnaeus 1758) is a member of the Mustelidae family, comprising such members as weasels, stoats, polecats ...
Mestre, Henrique Marques, 1988-
core  

Time‐calibrated relationships of a rare cave catfish (Trichomycterus rubbioli): Shedding light on troglobitic lifestyle origin in the Brazilian caatinga

open access: yesJournal of Fish Biology, EarlyView.
Abstract Catfishes of the subfamily Trichomycterinae comprise the most diverse fish group with species adapted to live in Neotropical caves, but past evolutionary scenarios that have driven the origin of these troglobitic species remain unknown. We herein investigate the phylogenetic position of the cave‐restricted Trichomycterus rubbioli, endemic to ...
Wilson J. E. M. Costa   +6 more
wiley   +1 more source

Lagartos como espécies indicadoras para o monitoramento em uma unidade de conservação da Caatinga

open access: yesBiodiversidade Brasileira
Durante nove anos, foi realizado o monitoramento de lagartos na Estação Ecológica Raso da Catarina abrangendo as fitofisionomias de caatinga arbórea e caatinga arbórea-arbustiva.
Flávia Regina de Queiroz Batista   +7 more
doaj   +1 more source

Criador conservacionista: inserção da sociedade na conservação dos recursos genéticos animais da Embrapa. [PDF]

open access: yes, 2013
O Brasil possui a pecuária mais diversificada do planeta, bem como uma grande biodiversidade que, apresenta casos de espécies ameaçadas de extinção e/ou descaracterização e núcleos de conservação, como o Banco de Germoplasma Animal da Amazônia Oriental -
COSTA, J. S.   +2 more
core  

A new species of inseminating catfish of the genus Tympanopleura (Siluriformes: Auchenipteridae) from the Ituxi River, Amazon River basin, northern Brazil, revealed by integrative taxonomy

open access: yesJournal of Fish Biology, EarlyView.
Abstract A new species of the genus Tympanopleura is described from the Iquiri River, a tributary of the Ituxi River, a right‐bank tributary to the Purus River, Amazon River, northern Brazil. The new species is distinguished from all its congeners by a combination of features, such as the presence of an intensely pigmented square‐shaped blotch on the ...
Frank Raynner V. Ribeiro   +4 more
wiley   +1 more source

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