Results 41 to 50 of about 579 (153)

Reduced fecundity associated with Wolbachia infection in a Neotropical drosophilid Redução da fecundidade associada à infecção por Wolbachia em um drosofilídeo Neotropical

open access: yesEcological Entomology, Volume 51, Issue 3, Page 475-488, June 2026.
Using multiple infected and uninfected Drosophila sturtevanti lines, we investigated (i) the impact of Wolbachia on fecundity and (ii) its effects relative to antibiotic treatment. Based on over 1680 dissected ovaries, fecundity was similar between infected and uninfected flies.
Letícia Carlesso de Paula Sena   +4 more
wiley   +1 more source

Samambaias e licófitas da Bacia Petrolífera de Urucu, Coari, Amazonas, Brasil

open access: yes, 2015
Este trabalho visou ampliar o conhecimento sobre samambaias e licófitas da Bacia Petrolífera de Urucu no estado do Amazonas, em área com cerca de 514.000 ha., de floresta ombrófila densa de terra firme e floresta ombrófila de várzea.
Maria Goreti Coelho de Souza   +2 more
core   +3 more sources

Flora das cangas da Serra dos Carajás, Pará, Brasil: Thelypteridaceae

open access: yesRodriguésia
Resumo Este estudo trata dos táxons de Thelypteridaceae encontrados nas formações ferríferas da Serra dos Carajás, estado do Pará, com descrições, ilustrações, distribuição geográfica e comentários.
Luíza Costa Moura   +2 more
doaj   +1 more source

Pteridófitas do Estado de Mato Grosso, Brasil: Vittariaceae Pteridophytes of the State of Mato Grosso, Brazil: Vittariaceae

open access: yesActa Botânica Brasílica, 1999
A família Vittariaceae está representada no Estado de Mato Grosso, Brasil, pelos gêneros Anetium, Antrophyum, Hecistopteris (com uma espécie cada) e Vittaria (com três espécies).
Paulo G Windisch, Fabiana R Nonato
doaj   +1 more source

Environmental and Spatial Processes Drive the Phylogenetic Diversity and Structure of Planktonic Microeukaryotes Revealed by 18S rDNA Metabarcoding in a Tropical Floodplain

open access: yesEnvironmental DNA, Volume 8, Issue 3, May–June 2026.
The community structure of photosynthetic planktonic microeukaryotes in the floodplain lakes of the Tocantins‐Araguaia River basin is influenced by a combination of environmental filters and spatial processes. Phylogenetic information from this community highlights the importance of conserving less degraded areas to preserve the evolutionary diversity ...
Jocilaine Santos de Jesus   +8 more
wiley   +1 more source

Historical shifts, geographic biases, and biological constraints shape mammal species discovery

open access: yesJournal of Systematics and Evolution, Volume 64, Issue 3, Page 536-547, May 2026.
Taxonomic descriptions of mammals have become more robust from 1990 to 2025, with increased specimen sampling, broader comparisons, and more integrative methods. However, disparities remain: tropical and small‐bodied species are less comprehensively described, reflecting ongoing geographic and biological biases.
Matheus de T. Moroti   +5 more
wiley   +1 more source

Flora das cangas da Serra dos Carajás, Pará, Brasil: Tectariaceae

open access: yesRodriguésia
Resumo Este estudo trata dos táxons de Tectariaceae encontrados nas formações ferríferas da Serra dos Carajás, estado do Pará, com descrições, imagens, distribuição geográfica e comentários. Na área estudada foram registrados dois gêneros e duas espécies:
Raquel Stauffer Viveros   +1 more
doaj   +1 more source

Morpho physiographic characterization of the Samambaia creek’s watershed, Goiânia-GO

open access: yesCientífica, 2015
Delimitation of watersheds and its morpho physiographic features are common practices used in hydrologic and environmental analysis. The aim of this paper was to analyze the Samambaia`s watershed and deter­mine its morpho physiographic characteristics and track modifications made on land use throughout the years.
Diogo Silva Pena   +4 more
openaire   +2 more sources

WABAD: A world annotated bird acoustic dataset for passive acoustic monitoring

open access: yesEcology, Volume 107, Issue 2, February 2026.
Abstract Under the current global biodiversity crisis, there is a need for automated and noninvasive monitoring techniques that can gather large amounts of data cost‐effectively at various ecological scales, from local to large spatial scales. These data can then be analyzed to inform stakeholders and decision‐makers.
Cristian Pérez‐Granados   +101 more
wiley   +1 more source

<htm>Samambaias e Licófitas do Parque Municipal do Iguaçu, Curitiba, (PR, Brasil)</htm>

open access: yes, 2016
<htm>Samambaias e Licófitas do Parque Municipal do Iguaçu, Curitiba, (PR, Brasil)</htm>
Nunes & colaboradores, Mauricio Gonçalves   +1 more
core   +2 more sources

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