Results 31 to 40 of about 3,098 (278)

Gymnetis amazona Ratcliffe 2018

open access: yes, 2019
§ Gymnetis amazona Ratcliffe, 2018 Gymnetis amazona Ratcliffe 2018: 24 (Brazil) Distribution. Brazil (NA): Ratcliffe 2018: 24 (NA). Other: Ratcliffe 2018: 24 (Colombia, Peru).Published as part of Hielkema, Auke J.
Hielkema, Meindert A., Hielkema, Auke J.
core   +1 more source

Developmental morphology of claspers and clasper‐glands during maturation in Potamotrygon wallacei (Chondrichthyes: Potamotrygoninae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The claspers are the copulatory organs in male elasmobranchs, responsible for directing the semen into the female cloaca (C). However, the microscopic morphology of the claspers remains poorly understood. This study describes the morphology of the claspers and clasper glands (CGs) of cururu stingray (Potamotrygon wallacei) at different ...
Matheus Samuel Cunha Braga   +4 more
wiley   +1 more source

Recomendación 4. Priorizar la salud de los ecosistemas acuáticos para garantizar la salud humana y de la biodiversidad

open access: yesActa Biológica Colombiana
El enfoque de Una Salud es un modelo holístico que integra la salud humana, animal y ambiental. Desde su inclusión en 2004, se ha reconocido que problemas como la contaminación, el cambio climático y la deforestación no solo afectan a las personas, sino
Silvia López-Casas   +3 more
doaj   +1 more source

Prospecting of Architectural Features Using LiDAR‐UAV Technology, Deep Neural Networks and Visualization Techniques: A Case Study in Kuélap and Cambolín (NW Peru)

open access: yesArchaeological Prospection, EarlyView.
ABSTRACT High‐resolution and accurate synoptic images of terrestrial topography, even in densely forested areas, have proven valuable for archaeology by enabling the identification and characterization of relief patterns associated with ancient human activities. This study presents a novel approach that integrates digital terrain models (DTMs) obtained
Jhon A. Zabaleta‐Santisteban   +13 more
wiley   +1 more source

Navegação no Amazonas

open access: yesCadernos de Tradução, 2022
Tradução de  Navegação no Amazonas de Gregorio ...
Gregorio Ronca   +2 more
openaire   +3 more sources

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

Radiometric Constraints on the Timing, Tempo, and Effects of Large Igneous Province Emplacement

open access: yesGeophysical Monograph Series, Page 27-82., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Jennifer Kasbohm   +2 more
wiley  

+1 more source

Yeasts and filamentous fungi in psittacidae and birds of prey droppings in midwest region of Brazil: a potential hazard to human health

open access: yesBrazilian Journal of Biology, 2018
Birds of prey and from Psittacidae family are host to fungal microbiota and play an important role in the epidemiology of zoonoses. Few studies in the literature have characterized mycelial and yeast fungi in the droppings of these birds and correlated ...
W. B. Simi   +5 more
doaj   +1 more source

Unlocking the Past to Protect the Future: Forensic DNA and Historical Specimens Reveal the Origins of Smuggled Yellow-Headed Parrots. [PDF]

open access: yesEvol Appl
ABSTRACT Wildlife trafficking poses a major threat to biodiversity, particularly for species like parrots that are targeted in the pet trade. The Yellow‐headed Parrot (Amazona oratrix), an endangered species native to Mexico and Central America, is frequently poached from unknown geographic locations, hindering the identification of smuggling sources ...
Ramirez BR   +10 more
europepmc   +2 more sources

Ichthyofauna from tributaries of Urubu and Amazonas rivers, Amazonas State, Brazil [PDF]

open access: yesBiota Neotropica, 2020
Abstract: The Amazonas River basin comprises the world’s highest fish species diversity. Anthropogenic interferences in aquatic environments represent a pressure over the maintenance of ecological stability and biodiversity. We inventoried the ichthyofauna of 13 disturbed/modified tributaries of Urubu and Amazonas rivers in the region of the middle ...
Rayane da Silva Pereira   +6 more
openaire   +5 more sources

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