Results 51 to 60 of about 243,327 (149)

Written in bones: palaeoclimate histotaphonomic history inferred from a complete Megatherium skeleton preserved in the Atacama Desert

open access: yesPalaeontology, Volume 68, Issue 4, July/August 2025.
Abstract A nearly complete and relatively well‐preserved skeleton of the giant ground sloth Megatherium sp. in the hyperarid core of the Atacama Desert reveals how climate related taphonomic processes drastically transformed these remains over time.
Luisa Straulino Mainou   +14 more
wiley   +1 more source

Recolección y preservación de macroalgas marinas: una guía para estudios ficológicos

open access: yesIntropica, 2010
Conocer la forma adecuada de recolectar, preservar y conservar las macroalgas marinas es indispensable para generar colecciones biológicas que puedan ser utilizadas en diversas investigaciones (taxonomía, sistemática, ecología, evolución, etc.) y de ...
Lennin Florez-Leiva   +4 more
doaj  

Metodología para la incorporación de aves a las colecciones biológicas de referencia. El caso del Centro de Investigaciones Ruinas de San Francisco

open access: yesLa Zaranda de Ideas, 2020
Las colecciones biológicas de referencias constituyen una herramienta central para el análisis y determinación de partes anatómicas y taxonómicas de los restos óseos provenientes de registros/depósitos arqueológicos y paleontológicos.
Nicolás Maximiliano Guardia
doaj  

Lessons from a Rubik's Cube to solve the biodiversity crisis

open access: yesConservation Biology, Volume 39, Issue 3, June 2025.
Abstract Global biodiversity is facing unprecedented pressures, calling into question the effectiveness of existing governance systems aimed at halting extinctions. Renewed hope arose with the recent Conference of the Parties (COP) to the Convention on Biological Diversity (COP15 December 2022) and the Convention on International Trade in Endangered ...
Ana M. M. Sequeira, Erika J. E. Techera
wiley   +1 more source

Las colecciones biológicas ¿para qué? [PDF]

open access: yes, 2012
Las colecciones biológicas son bancos de datos conceptuales, como son las bibliotecas o los centros de documentación. Por ser fuente primaria de conocimiento y de información sobre nuestra biodiversidad, se las consideran patrimonio nacional y de interés
Darrigran, Gustavo   +1 more
core   +2 more sources

Worldwide Soundscapes: A Synthesis of Passive Acoustic Monitoring Across Realms

open access: yesGlobal Ecology and Biogeography, Volume 34, Issue 5, May 2025.
ABSTRACT Aim The urgency for remote, reliable and scalable biodiversity monitoring amidst mounting human pressures on ecosystems has sparked worldwide interest in Passive Acoustic Monitoring (PAM), which can track life underwater and on land. However, we lack a unified methodology to report this sampling effort and a comprehensive overview of PAM ...
Kevin F. A. Darras   +580 more
wiley   +1 more source

Morphometric Characterization and Biochemical Comparison of Eight Diatom Strains Isolated From Coastal Areas of Baja California Sur, México

open access: yesAquaculture Research, Volume 2025, Issue 1, 2025.
Diatoms are a group of unicellular microalgae with a very attractive biochemical composition for biotechnology and aquaculture. This study aimed to characterize the morphometry and compare the biochemistry of eight diatom strains—Amphora sp., Entomoneis sp., Nanofrustulum shiloi, Navicula salinicola, Navicula sp., Nitzschia inconspicua, Psammodictyon ...
María Concepción Lora-Vilchis   +2 more
wiley   +1 more source

Museómica: El color en las colecciones biológicas

open access: yes, 2023
Una excelente método para hacer investigación biológica <i> in silico </i> es la museómica que consiste en utilizar como fuente de información los especímenes alojados en las colecciones biológicas, se pueden usar, tanto los especímenes, como
Layla Michán
core   +1 more source

Metadato de la Colección Biológica de Corales (Escleractinia) del Museo Javeriano de Historia Natural Lorenzo Uribe S.J.

open access: yesNOVA, 2005
Día a día surge la necesidad de divulgar a la comunidad científica nacional e internacional la información existente en las colecciones biológicas de los museos, particularmente cuando son pocas para un taxa en el país, o cuando es difícil acceder a ...
Martha Vallejo, Alberto Acosta
doaj   +1 more source

Alike but genetically divergent: The resurrection of Urotrygon asterias (Jordan & Gilbert, 1883) from its closest relatives, the Munda and the Blotched stingray

open access: yesJournal of Fish Biology, Volume 105, Issue 4, Page 1044-1059, October 2024.
Abstract The genus Urotrygon comprises small‐ to medium‐sized endemic round rays on the American continent and has undergone several synonymization processes. Here, we used an integrative taxonomic approach, including meristic, morphometric, and mtDNA analyses, to resolve the particularly intricate relationship among Urotrygon munda Gill, 1863 ...
Nicolás Roberto Ehemann   +4 more
wiley   +1 more source

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