Results 11 to 20 of about 238 (108)

Range Extension of the Popeye Catalufa (Pristigenys serrula, Gilbert 1891) to Central Chile During the "El Niño" Southern Oscillation (ENSO) 2023-2024. [PDF]

open access: yesEcol Evol
Phylogenetic and morphological analyses confirm P. serrula in central Chile (32° S). The geographical distribution of P. serrula in central Chile extends 9° southward. This extension is associated with the “El Niño” Southern Oscillation (ENSO). ABSTRACT We report the presence of Pristigenys serrula Gilbert 1891 off Zapallar (−32.568253, −71.464225 ...
Asorey CM   +3 more
europepmc   +2 more sources

Allometric Constraint Predominates Over the Acoustic Adaptation Hypothesis in a Radiation of Neotropical Treefrogs. [PDF]

open access: yesIntegr Zool
Male frogs emit calls to attract mates and deter conspecific rivals. The evolution of these calls is thought to be linked to anatomical constraints and the acoustic characteristics of their surroundings. We tested these two factors in a radiation of 112 species of Neotropical treefrogs and found that body size and calling site affect peak frequency but
Escalona M   +17 more
europepmc   +2 more sources

Fungi and Myxomycetes of the Tehuacán-Cuicatlán Biosphere Reserve, Mexico: A Comprehensive Review and Future Perspectives. [PDF]

open access: yesIUBMB Life
ABSTRACT The Tehuacán‐Cuicatlán Biosphere Reserve in Mexico, spanning approximately 10,000 km2, is crucial for conserving arid and semi‐arid ecosystems, as it hosts unique endemic species and complex ecological interactions. Despite their environmental significance, fungi and myxomycetes in this region have been understudied, particularly those adapted
Mena-Portales J   +6 more
europepmc   +2 more sources

Notes on the distribution, morphological variation, and mechanoreceptors of Tretanorhinus nigroluteus (Serpentes: Dipsadidae) in Colombia

open access: yesBiota Colombiana, 2022
Aquatic species are among the least studied groups of snakes in Colombia. This is mainly due to their ecology, which makes some species difficult to survey, resulting mostly in fortuitous encounters.
Daniela García-Cobos   +1 more
doaj   +1 more source

Primates en las colecciones biológicas del departamento de Antioquia: estado y potencial de investigación

open access: yesActualidades Biológicas, 2020
En Colombia se reconoce la existencia de 38 especies de primates, de las cuales 13 se distribuyen en Antioquia. Sin embargo, la mayoría de las investigaciones se enfocan en aspectos ecológicos mientras que son escasos los estudios sobre distribución y ...
Sebastián García-R
doaj   +1 more source

The role of biogeographical barriers on the historical dynamics of passerine birds with a circum-Amazonian distribution. [PDF]

open access: yesEcol Evol
This study found similarities at populational, phylogenetic, and evolutionary levels among four taxonomic groups of passerine birds with a circum‐Amazonian distribution. The presence of Refugia result of climatic oscillations during the Pleistocene was the main drive in the diversification of these circum‐Amazonian taxa.
Bolívar-Leguizamón SD   +3 more
europepmc   +2 more sources

RIESGO AMBIENTAL Y CONSERVACIÓN PREVENTIVA EN COLECCIONES PALEONTOLÓGICAS: UN ABORDAJE INCIPIENTE EN LA REPÚBLICA ARGENTINA

open access: yesPublicación Electrónica de la Asociación Paleontológica Argentina, 2021
La conservación preventiva de los bienes patrimoniales estuvo inicialmente asociada a las variables ambientales de los museos que los custodiaban. Las colecciones paleontológicas, si bien menos susceptibles que otras colecciones biológicas, no son ajenas
Susana Mariel Devincenzi
doaj   +1 more source

A roadmap for ladybird conservation and recovery

open access: yesConservation Biology, Volume 37, Issue 1, February 2023., 2023
Abstract Ladybirds (Coleoptera: Coccinellidae) provide services that are critical to food production, and they fulfill an ecological role as a food source for predators. The richness, abundance, and distribution of ladybirds, however, are compromised by many anthropogenic threats.
António O. Soares   +26 more
wiley   +1 more source

Structure and evolution of the sexually dimorphic integumentary swelling on the hands of dendrobatid poison frogs and their relatives (Amphibia: Anura: Dendrobatoidea)

open access: yesJournal of Anatomy, Volume 240, Issue 3, Page 447-465, March 2022., 2022
The hands of adult males of many dendrobatid poison frogs and their relatives possess one or two of four types of specialized mucous glands that presumably secrete pheromones delivered to females during cephalic amplexus. The discovery of these glands adds a new dimension to studies of poison frog reproductive biology, which have investigated acoustic,
Isabela Rodrigues de Souza Cavalcanti   +3 more
wiley   +1 more source

Helminth parasites of some rodents (Cricetidae, Heteromyidae, and Sciuridae) from Zacatecas, Mexico

open access: yesRevista Mexicana de Biodiversidad, 2016
Eighty-six specimens representing 7 species of rodents from 9 localities in the state Zacatecas were examined for helminths. Only 5 host species were found to harbor at least 1 species: Chaetodipus sp., Dipodomys merriami atronasus, Neotoma mexicana ...
Elizabeth A. Martínez-Salazar   +3 more
doaj   +1 more source

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