Results 11 to 20 of about 328 (124)

What do We Mean by Environmental Heterogeneity? Toward A Mechanistically Explicit and Scale-Dependent Framework. [PDF]

open access: yesEcol Evol
We synthesized 360 studies on environmental heterogeneity (EH) across taxa, regions, and disciplines. Only 10% of studies explicitly defined EH, and definitions were predominantly descriptive. We identify four operational interpretations of EH and propose a Research Roadmap linking EH metrics to five mechanistic hypotheses with testable predictions ...
Hérnandez-Chávez I   +3 more
europepmc   +2 more sources

Complete Mitochondrial Genome of the Araucanian Herring, <i>Strangomera bentincki</i>, Norman, 1936 (Teleostei: Clupeiformes: Clupeidae): Phylogenetic Analysis and Implications in Fishmeal Traceability. [PDF]

open access: yesEcol Evol
Araucanian herring (Strangomera bentincki) is a pelagic fish whose main processed products are fishmeal and oil. The complete mitogenome is 16,758 bp, consisting of 13 coding genes, two rRNAs, 22 tRNAs, and the control region. Phylogenetic analysis supported a monophyletic clade with Sprattus muelleri and Sprattus antipodum.
Reinoso Y   +3 more
europepmc   +2 more sources

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

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

Catálogo de los briófitos del Parque Nacional La Campana (Región de Valparaíso, Chile)

open access: yesLilloa, 2022
El conocimiento detallado de la biodiversidad constituye un insumo imprescindible para un diseño adecuado de estrategias de conservación. En cuanto a la diversidad de briófitos, Chile aún carece de información florística en grandes extensiones del país.
Juan Larraín, Pedro Drapela
doaj   +1 more source

Relevancia de las donaciones y los decomisos para las colecciones biológicas: los tejidos de aves como caso de estudio

open access: yesEl Hornero, 2020
A pesar de su importancia, el aporte de decomisos y donaciones a las colecciones biológicas ha sido muy poco cuantificado. El objetivo de este análisis fue evaluar la relevancia de las donaciones y los decomisos de material ornitológico a la Colección ...
Laura Barone   +6 more
doaj   +1 more source

Mapping continental Ecuadorian ant species

open access: yesSociobiology, 2015
Ecuador is considered a megadiverse country but information on the distribution and conservation of its ant species is scarce and scattered through the literature.
Fernanda Salazar   +3 more
doaj   +1 more source

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