Results 11 to 20 of about 6,500 (211)

Integrative taxonomy reveals two new species of whiptail catfishes Loricaria (Siluriformes: Loricariidae) from northeastern Brazil. [PDF]

open access: yesJ Fish Biol
Abstract Two new species of whiptail catfish, Loricaria (Siluriformes: Loricariidae), were discovered in the Munim and Itapecuru river basins, Maranhão State, northeastern Brazil, through an integrative taxonomic approach combining morphology and mitochondrial DNA.
Serejo-Saraiva AC   +4 more
europepmc   +2 more sources

A new catfish species of Microcambeva Costa & Bockmann, 1994 (Siluriformes: Trichomycteridae) from southern Brazil, with a redescription of M. ribeirae Costa, Lima & Bizerril, 2004. [PDF]

open access: yesJ Fish Biol
Abstract Among the few species of Microcambeva reported as occurring in more than one hydrographic basin, M. ribeirae has been previously listed from both the Ribeira de Iguape and the Guaraqueçaba basins. However, morphological and molecular analyses revealed that the specimens from Guaraqueçaba represent a new species, which is described in this ...
de Medeiros LS   +6 more
europepmc   +2 more sources

Fractionation-Free Protein Corona Quantification Through Synchrotron-Based Small-Angle X-ray Scattering. [PDF]

open access: yesSmall Methods
A fractionation‐free SAXS approach quantifies protein corona formation on silica nanoparticles under native conditions. By deconvoluting scattering from free and bound proteins, adsorbed mass is directly determined in simple and complex media. The method resolves adsorption regimes and thermodynamics, establishing non‐invasive, in situ characterization
Carvalho JTT   +6 more
europepmc   +2 more sources

Red Algae From Insular Environments in the Mexican Atlantic: Taxonomic Diversity, Conservation, and Biogeographic Affinities. [PDF]

open access: yesEcol Evol
In this study, we present the first analysis of diversity and distribution of red algae from insular environments in the Mexican Atlantic, with the aim to identify and describe their patterns of taxonomic diversity, to propose priority areas for conservation, and show their biogeographical affinities.
Vilchis MI   +5 more
europepmc   +2 more sources

Local chronology of Intermediate Hawthorn (Crataegus media Bechst.), Poland

open access: yes, 2021
Local chronology of Intermediate Hawthorn (Crataegus media Bechst.), STLocation of the research area: STOBNO - ST (N: 53°25'04.59 "E: 14°24'17.12", 45 m above sea level), NW Poland (about 2.2 km east from the Polish-German border, and ...
Cedro, Anna, Cedro, Bernard
core   +1 more source

Local chronologies of one-seeded and intermediate hawthorn (Crataegus monogyna, C. xmedia) in Poland

open access: yes, 2023
Two hawthorn species occur in Poland: the one-seeded hawthorn (Crataegus monogyna) and the Midland hawthorn (C. laevigata). There is also a natural hybrid of these two, the intermediate hawthorn (C. xmedia Bechst.).
Cedro, Anna, Cedro, Bernard
core   +1 more source

Local chronologies of Scots pine (Pinus sylvestris L.), Świna Gate dunes, NW Poland

open access: yes, 2022
The Świna Gate is located on the southern coast of the Pomeranian Bay (southern Baltic coast, NW Poland). The Świna Gate is comprised of forms that arose due to marine, fluvial and aeolian accumulation.
Cedro, Anna   +2 more
core   +1 more source

Efeito da aplicação de cádmio sobre o teor de nutrientes em mudas de cedro (Cedrela fissilis Vell.).

open access: yesCiência Florestal, 2010
Com o objetivo de verificar o efeito da aplicação de cádmio sobre o teor de nutrientes em mudas de cedro, foi instalado um experimento em casa de vegetação do Departamento de Ciência do Solo da Universidade Federal de Lavras.
Haroldo Nogueira de Paiva   +2 more
doaj   +1 more source

Local chronologies of yew (Taxus baccata L.) in Poland

open access: yes, 2023
The eastern boundary of Taxus baccata L. range transects Poland. The analyses were performed on 34 yew populations which are protected as parts of nature reserves, as monuments of nature, or which are planned to be protected (Table 1).
Cedro, Anna
core   +1 more source

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