Browsing Ciencias básicas by Title
Now showing items 1717-1736 of 3078
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Macroclinium Barb Rodr.
(2023-02)Se proporciona una revisión taxonómica del género Macroclinum para la Flora Mesoamericana. -
Macroecology of high-elevation myxomycete assemblages in the northern Neotropics
(2010)A number of recent studies have been directed towards developing a more complete understanding of myxomycete ecology throughout the world. However, the lack of comparative data obtained using standard methodologies makes ... -
Macrofauna bentónica de las playas de arena del Área de Conservación Osa, Puntarenas, Pacífico Sur de Costa Rica
(2015)Se describe la diversidad y composición de especies las playas de arena del Pacífico Sur de Costa Rica. En las playas de arena de la región, se colectó individuos de la infauna por medio de barrenos. Para la zona de entre ... -
Macroinvertebrates as indicators in tropical streams with different land use in southern Costa Rica
(2019)Costa Rica is one of the countries with the highest species richness worldwide and forms an important land bridge between North and South America. In the past, Costa Rica suffered from deforestation due to conversion of ... -
Madres ancestrales
(2012-09)El ADN mitocondrial que portamos todos los seres humanos lo recibimos en herencia, exclusivamente, de nuestra madre. De lo que se deduce que nuestra progenitora lo recibió de su madre, quien, a su vez, lo heredó de la suya, ... -
Magmatic and Tectonic Domains of Central Costa Rica and the Irazú-Turrialba Volcanic Complex Revealed by Ambient Noise Tomography
(2022-11)The Central America Volcanic Arc runs from Guatemala to Panama, locally interrupted in Costa Rica after the twin-system Irazú-Turrialba Volcanic Complex, at the onset of the Talamanca Cordillera. A marked geological ... -
Major sources of moisture for Antarctic ice-core sites identified through a Lagrangian approach
(2010-02-16)A Lagrangian method of diagnosis was used to identify the major sources of moisture for principal Antarctic ice-core sites by back-tracking the air masses that ultimately reach these regions for a 5 yr period (2000–2004). ... -
Making the invisible visible: methods to enhance features of tiny spider webs
(2018)The characteristics and designs of webs provide valuable information on ecology, behavior and phylogenetic relationships. Characters are often obtained from detailed analyses of web photographs. We describe new methods to ... -
Malaxis dressleriana: A new orchid species honoring a botanist for all seasons
(2023-08)The genus Malaxis Sol. ex Sw. comprises about 300 species, predominantly found in pantropical regions with a few in temperate areas of the Americas, Asia, and Europe. Mexico has the highest concentration, with 71 species, ... -
Malaxis Sw.
(2020-03-31)The genus Malaxis was named in 1788 by Olof Swartz. The name was based on malaxo, Greek for “softening,” apparently referring to the soft or delicate leaves. Traditionally Malaxis has been characterized in part by ... -
Male courtship behavior in Ceratitis Capitata (Diptera: Tephritidae) that have received aromatherapy with ginger root oil
(Florida Entomologist 90(1), 175-179, March 2007, 2007-03)The results of previous studies that showed that exposing mass-reared male Mediterranean fruit flies Ceratitis capitata (Wiedemann) to ginger root oil (“aromatherapy”) increases the likelihood of mating with wild females ... -
Male orientation on vocalization perches could optimize acoustic signal transmission in anurans
(2020-10-20)Acoustic signals are distorted by vegetation, wind currents, or other sounds when transmitted through the environment. Consequently, vocalizations with features that optimize sound transmission or behaviors that improve ... -
Male song variation of Green Violetear (Colibri thalassinus) in the Talamanca Mountain Range, Costa Rica
(2008)We studied variation in acoustic and temporal characteristics of the static male song of the Green Violetear (Colibri thalassinus) in a single population in Costa Rica. The static song of 19 males was extremely variable. ... -
Manejo exitoso de una inundación en el Herbario USJ de Costa Rica
(2013-12)En noviembre de 2007 se rompió una cañería de agua potable en la Escuela de Biología, Universidad de Costa Rica, que provocó una inundación que afectó seriamente el Herbario USJ. Aquí comento las lecciones aprendidas y las ... -
Manganese and cobalt redox cycling in laterites; Biogeochemical and bioprocessing implications
(2020)Cobalt is essential for the modern technology that underpins the decarbonisation of our economies, but its supply is limited leading to its designation as a critical metal. Cobalt biogeochemistry is poorly understood, yet ... -
Manifestación del veranillo en las cuencas de los ríos Grande de Tárcoles y Tempisque en la vertiente del Pacífico de Costa Rica y algunas características generales de ambas cuencas
(2022-10)Se presentan cuatro infografías relacionadas con la información general del veranillo, su manifestación en las cuencas de los ríos Grande de Tárcoles y Tempisque en la vertiente del Pacífico de Costa Rica. También se ... -
Mantos de rodolitos (Rhodophyta) del Pacífico costarricense: caracterización e identificación de posibles servicios ecosistémicos para generar recomendaciones de manejo
(2024-02)Los mantos de rodolitos son ecosistemas ampliamente distribuidos en fondos tropicales y templados de todo el mundo, siendo reconocidos como importantes proveedores de diversos tipos de servicios ecosistémicos derivados de ... -
Mapa de aviturismo en la Zona Protectora Río Navarro - Río Sobrero
(2023-01)Mapa del circuito de aviturismo Zona Protectora Río Navarro Río Sombrero, incluye zonas de vida, red hídrica, principales poblados, curvas de nivel y sitios de interés para la observación de aves según resultados del ...