Vol. 49 No. 190 (2025)
Issue Description

‘Woody stem Espeletia’ (Espeletia sp.) [Watercolour, 30x24 cm]. Plate 5

Antoine M. Cleef, Henry Hooghiemstra (2025). The artistic view of a botanist ecologist on the landscape and flora of the Colombian páramo region. Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales. 49(190):236-245, enero-marzo de 2025.
doi: https://doi.org/10.18257/raccefyn.3180

Full Issue
PDF (Spanish)

Physical Sciences

Benjamin Oostra, Julian Rojas, Alejandro Cante
7-15
Orbit of Algol from Espartaco-2 spectra
PDF (Spanish)
Julio César Caicedo, Christian Ortiz, César Amaya, Leonid Ipaz, William Aperador
16-29
Development and properties of low dimensionality heterostructures: A study of materials based on carbides, nitrides, carbonitrides, and oxides
PDF (Spanish)
Omar Aguilar-Loreto, Antonio Muñoz, Belter E. Ordaz-Mendoza
30-43
Electrostatic energy for a circular charged configuration: discrete vs. dontinuum
PDF

Natural Sciences

José Luis Fernández Alonso
44-58
Malvaceae neotropicae novae vel minus cognitae XIII. A news pecies of Phragmotheca (Malvaceae) from Panama, and notes on the genus
PDF (Spanish)
Óscar Adrián Guzmán-Piedrahita, Carolina Zamorano-Montañez
59-69
Effect of the foliar nematode (Aphelenchoides pseudobesseyi) on the growth and production of beans (Phaseolus vulgaris) in Colombia
PDF (Spanish)
Liliana Palma-Silva, Carlos A. Rivera-Rondón, Santiago R. Duque, Laura Pérez, Felipe García-Rodríguez
70-89
Diatoms from the sedimentary record of the Yahuarcaca lagoon system, Amazonas, Colombia
PDF (Spanish)
Yuri Ian Carvalho Furtado, Fernanda Layza Souza de Souza, Mosa Valdina Ferreira Moreira, Amanda Mendes Pacheco, Clara Brito Salomão, Eliane Tie Oba Yoshioka
90-101
Hemato-immunological responses of juvenile tambaqui (Colossoma macropomum) after commercial clay dietary supplementation
PDF
Lorena Buitrago-Rueda, Alfonso Parra-Coronado, Gerhard Fischer
102-112
Prediction of the duration of phenological stages in two varieties of standard carnation (Dianthus caryophyllus L.) in terms of thermal time
PDF
María Elena Sáenz, Ricardo Santiago Martínez, José Luis Alberdi, Walter Darío Di Marzio
113-128
Chronic exposure to paraquat affects Scenesdemus quadricauda sensibility and demography.
PDF (Spanish)

Earth Sciences

Jaime Escobar
129-145
The “dry island” effect on the climate of the high Andean regions during the late Holocene
PDF (Spanish)
María Rosa Alva Carmona, Santiago Vargas-Domínguez, Jean Villafane, Esteban Cortés-Rojas, Santiago Pinzón-Cortes, Natalia Gómez-Pérez, Enrique Torres Moya, Carlos Andrés Franco Prieto
146-162
The Fúquene National Geomagnetic Observatory: A journey through its past, present, and future
PDF

Mathematics

Daniel Alfonso-Santiesteban, Ricardo Abreu-Blaya, José Luis Sánchez-Santiesteban, José María Sigarreta-Almira
163-182
Additive decompositions of the displacement vector of the Lamé-Navier system
PDF (Spanish)
Higinio Serrano, Bernardo Uribe, Miguel A. Xicoténcatl
183-197
Rational magnetic equivariant K-theory
PDF
J.M. Ayerbe Toledano
198-215
Diocles’ cissoid in the context of ancient mathematics
PDF (Spanish)

Opinión

Andrés Felipe García-Londoño
216-223
Why hippo tourism in Colombia is not a good idea?
PDF (Spanish)
Arturo Acero, José Tavera
224-226
Rosa Smith Eigenmann: the first female ichthyologist
PDF (Spanish)
Heidy Mayerly Quitián Lara, Alejandro Guerrero-Caicedo, Eva Méndez-Robayo, M. Alejandra Lemus-Nemocón, Sergio A. Cifuentes-Vásquez, Karín Menéndez-Delmestre, Nigel J. Mason, Felipe Fantuzzi, Mario-Armando Higuera-G
227-235
SICOAQ 2024: Launching the First Colombian Astrochemistry Symposium in Bogotá
PDF

In Memoriam

Dirley Cortés, Carlos Jaramillo, Javier Luque, Catalina Suarez, Mary Luz Parra-Ruge, Tatiana Gaona, Edwin Cadena
253-256
In Memoriam. María Eurídice Páramo Fonseca
PDF (Spanish)
Gerardo A. Hernández M.
257-260
Al Maestro Rubén Ardila, In memoriam
PDF (Spanish)