Now showing items 8813-8832 of 13968

    • Macradenia R.Br. 

      Pupulin, Franco; Karremans Lok, Adam Philip (2020)
      Descripción de Macradenia R.Br.
    • Macroecology of high-elevation myxomycete assemblages in the northern Neotropics 

      Rojas Alvarado, Carlos Alonso; Stephenson, Steven L.; Huxel, Gary R. (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 

      Corrales Ugalde, Marco; Sibaja Cordero, Jeffrey Alejandro (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 

      Duschek, Verena G.; Springer Springer, Monika; Niedrist, Georg H.; Füreder, Leopold (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 

      Meléndez Obando, Mauricio O. (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, ...
    • El madroño gigante y otros cuentos ambientales 

      Zamora Carvajal, Hermida (El madroño gigante y otros cuentos ambientales. San Ramón, Alajuela. Coordinación de Investigación Sede de Occidente, Universidad de Costa Rica, 2005, 2005)
      Es un breve volumen de cuentos infantiles enfocados al medio ambiente en donde sus principal objetivo es comunicar valores como la solidaridad, el amor por la naturaleza y el respeto a nuestras costumbres, mediante la magia ...
    • Mae, una innovación apelativa en el español de Costa Rica 

      Leoni de León, Jorge Antonio; Cordero Monge, Sergio (2020)
      In this paper, we describe the evolution of the term maje (‘dude, guy’) from its introduction into the Spanish of Costa Rica in the mid-twentieth century to its current use; the definitions compiled in various lexicographical ...
    • Magnitude and impact of diarrhoeal disease 

      Mata Jiménez, Leonardo; Guerrant, Richard L. (1988-12)
      Diarrhoea seems to be a minor problem in humans and other mammals living in small, isolated tribes or groups. Under such conditions there is limited, if any, introduction of pathogenic agents and, if agents are ...
    • Maíces nativos de Guanacaste, Costa Rica: caracterización de los granos 

      Oreamuno Fonseca, Patricia; Monge Pérez, José Eladio (2018-12)
      No existe información sobre caracterización de los granos de maíces nativos de Costa Rica. Durante los meses de abril a agosto de 2013, se recolectaron muestras de granos de maíces (Zea mays L.) nativos (también llamados ...
    • Major cardiovascular risk factors in Latin America: a comparison with the United States. The Latin American consortium of studies in obesity (LASO) 

      Miranda Montero, Jaime J.; Herrera Galindo, Víctor Mauricio; Chirinos Medina, Julio A.; Gómez Gutiérrez, Luis Fernando; Perel, Pablo; Pichardo Estevez, Rafael; González Medina, Ángel; Sánchez Abanro, José Ramón; Ferreccio, Catterina; Aguilera Sanhueza, Ximena; Silva, Eglé; Oróstegui, Myriam; Medina Lezama, Josefina; Pérez, Cynthia M.; Suárez, Erick; Ortiz Martínez, Ana Patricia; Rosero Bixby, Luis; Schapochnik, Noberto; Ortiz, Zulma; Ferrante, Daniel; Casas, Juan P.; Bautista Lorenzo, Leonelo Enrique (2013)
      Limited knowledge on the prevalence and distribution of risk factors impairs the planning and implementation of cardiovascular prevention programs in the Latin American and Caribbean (LAC) region. For the last two decades ...
    • Makey Makey y su aplicación en unidades de información 

      Chaves Arias, Itza; Esquivel Guillén, Jonathan; Jiménez Varela, Ana Cristina; Sánchez López, Hannia (2018)
      Esta revisión bibliográfica presenta el Makey Makey como un dispositivo que forma parte del Maker Movement y que puede utilizarse en las unidades de información. Por ello, se realizó una revisión de literatura que revisa ...
    • Making sense of the newspaper crisis: A critical assessment of existing research and an agenda for future work 

      Siles González, Ignacio; Boczkowski, Pablo Javier (2012)
      This article analyzes recent research on the newspaper crisis. It discusses how authors have examined the sources, manifestations, and implications of this crisis, and the proposals to resolve it. In addition, the essay ...
    • Making the invisible visible: methods to enhance features of tiny spider webs 

      Solano Brenes, Diego; Miranda Garnier, Ximena; Barrantes Montero, Gilbert (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 ...
    • Malassezia spp: una actualización del estado del conocimiento 

      Morales Rodríguez, Yósselin (2021-07)
      Este manuscrito corresponde a una actualización del estado del conocimiento sobre el género Malassezia, contemplando sus aspectos taxonómicos, etiología, ecología, relaciones inmunológicas y manifestaciones clínicas ...
    • Malaxis Sw. 

      Chinchilla Alvarado, Isler Fabián; Dressler, Robert L.; Pupulin, Franco (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 

      Briceño Lobo, Daniel; Eberhard Chabtree, William G.; Shelly, Todd (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 identities in conflict: The construction of masculinity in the characters of Devi Mahasweta’s “The Hunt” 

      Araya Araya, Karla (Revista Literaria Cuarto Propio, No.7, Mayo 2011, 2011-05)
      This article analyzes the construction of masculinity in Devi Mahasweta’s “The Hunt”. Michael Kimmel and R.W. Connell’s work on gender identity are used as a theoretical support to identify the different masculine ...
    • Male song variation of Green Violetear (Colibri thalassinus) in the Talamanca Mountain Range, Costa Rica 

      Barrantes Montero, Gilbert; Sánchez, Carlos; Hilje, Branko; Jaffé, R. (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. ...
    • Las malformaciones congénitas en Costa Rica. II (Estudio retrospectivo hospitalario de caso-control) 

      Barrantes Mesén, Ramiro (1985)
      Se realizó un estudio retrospectivo de caso-control de malformaciones congénitas en Costa Rica, utilizando expedientes clínicos de los Hospitales Nacional de Niños Carlos Sáenz Herrera y la Maternidad Carit, entre 1970 y ...