Results 21 to 30 of about 229,090 (184)

New aerophytic morphospecies of Nostoc (Cyanobacteria) from São Paulo State, Brazil

open access: yesHoehnea
Brazilian aerophytic biotopes are almost completely unknown regarding to cyanobacterial flora. During the study of this special flora, three morphospecies of the genus Nostoc from different habitats in the State of São Paulo, Brazil, were found. Based on
Célia Leite Sant'Anna   +3 more
doaj   +1 more source

O Mar em código de barras : DNA barcoding de organismos marinhos dos Açores. [PDF]

open access: yes, 2011
A secção Biologia é coordenada pelo Professor Universitário Armindo Rodrigues.DNA Barcoding permite monitorizar espécies conhecidas de forma rápida e precisa, e detectar novas espécies para a ...
Parente, Manuela I.
core  

Representativeness of the Natura 2000 network for preserving plant biodiversity in the European Union

open access: yesConservation Biology, EarlyView.
Abstract The Natura 2000 (N2K) network of protected areas is one of the main tools for area‐based conservation in the European Union (EU), yet its role in preserving plant biodiversity requires better understanding. We examined data kept in the European Vegetation Archive from over 1.2 million vegetation plots and obtained over 14.2 million plant ...
Michele Di Musciano   +41 more
wiley   +1 more source

New and interesting records of Brazilian bryophytes [PDF]

open access: yes, 1999
This paper presents data on morphology, ecology and distribution of 16 species of bryophytes collected in Pernambuco, Brazil, that are interesting floristic records. Notothylasorbicularis (Schwein.) Sull.
Costa, Denise Pinheiro da   +4 more
core  

Novos táxons e combinações em Viguiera (Asteraceae - Heliantheae)

open access: yesRodriguésia
Resumo O gênero Viguiera Kunthestá representado por 35 espécies no Brasil. O presente estudo apresenta quatro novas espécies e três novas combinações de Viguiera ocorrentes no país.
Mara Angelina Galvão Magenta   +2 more
doaj   +1 more source

Using miniaturized laboratory equipment and DNA barcoding to improve conservation genetics training and identify illegally traded species

open access: yesConservation Biology, EarlyView.
Abstract Illegal wildlife trade (IWT) is one of the largest global illegal activities, and it negatively affects biodiversity and sustainable development worldwide. DNA barcoding coupled with high‐throughput sequencing (i.e., metabarcoding) is useful in identifying taxa affected by IWT and has been used routinely for decades.
Maria Joana Ferreira da Silva   +9 more
wiley   +1 more source

Emprego da metodologia de MLSA em avaliações de filogenia e taxonomia de rizóbios: estudo com Rhizobium spp. Microssimbionte de feijoeiro (Phaseolus vulgaris L.). [PDF]

open access: yes, 2014
RESUMO: Estudos taxonômicos desempenham um papel relevante na valoração da diversidade microbiana do solo. A metodologia de MLSA (Multilocus Sequence Analysis) tem possibilitado incrementar o conhecimento da biodiversidade bacteriana do solo, bem como a ...
DELAMUTA, J. R. M.   +2 more
core  

Success of restoration strategies in preventing extirpation of 2 critically endangered coral species

open access: yesConservation Biology, EarlyView.
Abstract An unprecedented marine heatwave in 2023 caused widespread coral bleaching and mortality throughout the Caribbean. In the Florida Keys (USA), 2 foundation species, elkhorn coral (Acropora palmata) and staghorn coral (Acropora cervicornis), were severely affected.
Erinn M. Muller   +29 more
wiley   +1 more source

Lamarck, Darwin e o conceito de espécie [PDF]

open access: yes, 2008
No início do século XIX, quando Jean Pierre Antaine de Monet, Chevalier de Lamarck (1744- 1829) apresentou suas idéías sobre evoluçao organica, a maioria dos naturalistas acreditava que as espécies eram fixas.
Al-Chueyr Pereira Martins, Lilian
core  

Stegoelmis Hinton, 1939 (Coleoptera: Elmidae: Elminae) in Brazil: two new species and a key to the Brazilian species [PDF]

open access: yes, 2011
[EN]: Two new species of the genus Stegoelmis Hinton, 1939, S. figueiredoensis sp. nov. from Amazonas State, Brazil and S. shepardi sp. nov. from Roraima State, Brazil and Saint Laurent Du Maroni, French Guiana, are described and illustrated based on ...
Fernandes, André S.   +2 more
core   +1 more source

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