Vol 13 No 1
13 (1) June 2021

Articles

Diego Ariel Meloni, Graciela Inés Bolzón
e3170
Growth, photosynthesis and oxidative stress in Prosopis nigra (Fabaceae) under simulated glyphosate drift
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Arturo Angulo, Jorge San Gil
14
Xanthism in Costa Rican Cichlid fish (Cichliformes: Cichlidae), and ontogenetic variation in Parachromis dovii.
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Candela Duarte Baschini, Claudia M. Dellafiore
6
The pampean gray fox (Lycalopex gymnocercus) as a disperser of blackberry seeds (Morus nigra)
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Sianny Chavarría Zamora, Alejandro Chacón Villalobos, Rodolfo WingChing Jones
10
Effect of hen housing (free-range, free cage, and cage) on fatty acids, consumption, and consumer perception of the eggs
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Arturo Angulo, Ana Rosa Ramírez Coghi, Myrna López Sánchez
27
Identification keys for the fish of continental and insular waters of Costa Rica. Part I: Families.
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Gabriela Pérez Gómez, Virginia Alvarado García, Jorengeth Abad Rodríguez Rodríguez, Federico Herrera, Rolando Sánchez Gutiérrez
17
Physicochemical and microbiological quality of surface water in the Grande de Tárcoles River, Costa Rica: an ecological approach
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Zaidett Barrientos
12
Feeding habitat of the understory arboreal snail Tikoconus costarricanus (Stylommatophora: Euconulidae) in a tropical montane wet forest, Costa Rica
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Junior Pastor Pérez-Molina, Carola Scholz, Roy Pérez-Salazar, Carolina Alfaro-Chinchilla, Ana Abarca Méndez, Leandro Araya Leitón, Jeslyn Carranza Chaves, Addy Echevarría Figueroa, Mariana Elizondo Blanco, Rachel Ardón Rivera, Sofía Flores Aguilar, Catalina Solís Calderón
15
Spatial variation of physicochemical parameters in a constructed wetland for wastewater treatment: An example of the use of the R programming language
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Francisco S. Álvarez, Saúl González Murcia, Caleb D. McMahan, Wilfredo A. Matamoros
24
Cyprinodontiform fishes of El Salvador
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Paola López Fuentes, Manuel de Jesús Anzueto Calvo , Ernesto Velázquez Velázquez , Wilfredo A. Matamoros, Guillermo Salgado Maldonado
7
First record of the non-native fish Poecilia reticulata (Cyprinodontiformes: Poeciliidae), in Chiapas, southern Mexico
Pre-publication
José F. Cicció, Carlos Chaverri
10
Chemical composition of essential oils of the tree Melaleuca quinquenervia (Myrtaceae) cultivated in Costa Rica
Pre-publication
Natalia Gómez Calderón , Javier Ernesto Rodríguez Yánez, Edwin Fabián Fernández Fernández
10
Greenhouse gases emitted by agricultural vehicles in Costa Rica
Pre-publicación (Español (España))