Results 1 to 10 of about 172,545 (307)

Use and utility redundancy of medicinal plants in ethnoveterinary medicine by local populations of the Brazilian Caatinga [PDF]

open access: yesJournal of Ethnobiology and Ethnomedicine
Background The predominance of agropastoral activities in the Brazilian semiarid region is an important factor for human populations to continue using medicinal plants in ethnoveterinary medicine. Thus, we sought to document the Caatinga plants known for
Josefa Raianne de Farias Gonçalves   +4 more
doaj   +2 more sources

Caracterización de hábitats fluviales en estratos superiores de las Yungas mediante el análisis de los rasgos biológicos del grupo EPT

open access: yesBiología Acuática, 2023
Los arroyos de montaña forman un complejo de hábitats eco-hidráulicos que funcionan como filtro ecológico. Dicho filtro actúa sobre las características de las especies, condicionando la estructura de las respectivas comunidades.
Alexandra Buitrago Guacaneme   +2 more
doaj   +1 more source

Responses of the zooplankton community to the formation of a small reservoir on the Caveiras River, southern Brazil

open access: yesActa Scientiarum: Biological Sciences, 2021
We investigated changes in the species richness, abundance, and composition of the zooplankton community in response to the formation of a small reservoir in the Caveiras River, southern Brazil.
Pablo Henrique dos Santos Picapedra   +3 more
doaj   +1 more source

Egg transport and larval behavior of curimba, Prochilodus lineatus (Valenciennes, 1836; Characiformes, Prochilodontidae) in a drift simulator channel

open access: yesActa Scientiarum: Biological Sciences, 2022
Landscape changes and hydrologic alterations associated with dam construction have greatly hindered reproductive success and the recruitment of migratory species. However, little is known about the flow conditions that are necessary for the reproductive
Thays Cristine Bellenzier de Queiroz   +3 more
doaj   +1 more source

Trichoptera (Insecta) de la colección del Instituto de Biodiversidad Neotropical (IBN-CONICET-UNT), Tucumán, Argentina

open access: yesActa Zoológica Lilloana, 2023
Las Colecciones Biológicas son sumamente importantes para comprender los cambios que ocurren en los sistemas naturales. El Instituto de Biodiversidad Neotropical (IBN) posee una colección de insectos asociados a los ríos de Montaña de Yungas de más de ...
Sebastian A. Albanesi   +3 more
doaj   +1 more source

Phylogenetic relationships of a new catfish of the genus Trichomycterus (Siluriformes, Trichomycteridae) from the Brazilian Cerrado, and the role of Cenozoic events in the diversification of mountain catfishes [PDF]

open access: yesZoosystematics and Evolution, 2022
The Brazilian Cerrado highlands shelter the headwaters of the three largest South American hydrographic basins, where a great species diversity is concentrated, but some biological groups are still insufficiently known.
Wilson J. E. M. Costa   +5 more
doaj   +3 more sources

Bone indicators of grasping hands in lizards [PDF]

open access: yesPeerJ, 2016
Grasping is one of a few adaptive mechanisms that, in conjunction with clinging, hooking, arm swinging, adhering, and flying, allowed for incursion into the arboreal eco-space.
Gabriela Fontanarrosa, Virginia Abdala
doaj   +2 more sources

Insights on the evolution of Coronavirinae in general, and SARS-CoV-2 in particular, through innovative biocomputational resources [PDF]

open access: yesPeerJ, 2022
The structural proteins of coronaviruses portray critical information to address issues of classification, assembly constraints, and evolutionary pathways involving host shifts.
Daniel Andrés Dos Santos   +6 more
doaj   +2 more sources

Leopardus pajeros (Desmarest, 1816) (Carnivora: Felidae) in Northern Peru: first record for the department of Piura, at the Mangroves San Pedro de Vice, and geographic extention [PDF]

open access: yesCheck List, 2013
On October 1st, 2006, at the Mangroves San Pedro de Vice –MSPV (Sechura, Piura - Peru) the first visual record of Leopardus pajeros was made in the southern part of the area (05°31’09” S, 80°53’28” W).
Álvaro García-Olaechea   +2 more
doaj   +3 more sources

Vegetation cover and seasonality as indicators for selection of forage resources by local agro-pastoralists in the Brazilian semiarid region

open access: yesScientific Reports, 2022
Local knowledge and uses of forage resources are highly dynamic, and can be mediated by multiple factors, such as seasonality, floristic diversity and the morphophysiological characteristics of plants.
Sonaly Silva da Cunha   +6 more
doaj   +1 more source

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