• Plant galls recorded from Guanacaste Conservation Area-Costa Rica as an integrated concept of a biological database 

  Gätjens Boniche, Omar; Sánchez Valverde, Marylin; Trejos Araya, Carla; Espinoza Obando, Roberto; Pinto Tomás, Adrián A; Hanson Snortun, Paul (2021-07)

  Galling insects are specialist herbivorous that have the ability of manipulating plant tissue to form complex biological structures called galls. Even though different organisms have the ability to induce galls in plants, ...

• The genomic basis of army ant chemosensory adaptations 

  McKenzie, Sean K.; Winston, Max E.; Grewe, Felix; Vargas Asensio, Juan Gabriel; Rodríguez Hernández, Natalia; Rubin, Benjamin E. R.; Murillo Cruz, Catalina; von Beren, Christoph; Moreau, Corrie S.; Suen, Garret; Pinto Tomás, Adrián A.; Kronauer, Daniel J. C. (2021-09)

  The evolution of mass raiding has allowed army ants to become dominant arthropod predators in the tropics. Although a century of research has led to many discoveries about behavioural, morphological and physiological ...

• Burkholderia from fungus gardens of fungus-growing ants produce antifungals that inhibit the specialized parasite Escovopsis. 

  Francoeur, Charlotte B.; May, Daniel S.; Thairu, Margaret W.; Hoang, Don Q.; Panthofer, Olivia; Bugni, Tim S.; Pupo, Monica Tallarico; Clardy, Jon; Pinto Tomás, Adrián A.; Currie, Cameron Robert (2021-06)

  Within animal-associated microbiomes, the functional roles of specific microbial taxa are often uncharacterized. Here, we use the fungus-growing ant system, a model for microbial symbiosis, to determine the potential ...

• Genotyping and differential bacterial inhibition of Batrachochytrium dendrobatidis in threatened amphibians in Costa Rica 

  Abarca Alvarado, Juan Gabriel; Whitfield, Steven M.; Zúñiga Cháves, Ibrahim; Alvarado Barboza, Gilberth; Kerby, Jacob L.; Murillo Cruz, Catalina; Pinto Tomás, Adrián A. (2021-02-02)

  Amphibians have declined around the world in recent years, in parallel with the emergence of an epidermal disease called chytridiomycosis, caused by the chytrid fungus Batrachochytrium dendrobatidis (Bd). This disease has ...

• Future Changes in Simulated Streamflow in Costa Rica from CMIP6 climate models 

  Hidalgo León, Hugo G.; Alfaro Martínez, Eric J.; Quesada Román, Adolfo (2022-06-21)

  Statistically downscaled daily data from an ensemble of five General Circulation Models (GCMs) from the Climate Model Intercomparison Program 6 (CMIP6) will be used to determine changes (with respect to a baseline historical ...

• Tropical Cyclones Losses by Economic Sector in Costa Rica, Central America 

  Quesada Román, Adolfo; Hidalgo León, Hugo G.; Alfaro Martínez, Eric J. (2022-06-21)

  Tropical cyclones normally affect Central America and Costa Rica. Population growth and inefficient land use planning increases the exposure to natural hazards related to tropical cyclones such as landslides and floods. ...

• Future changes in the ecosystem services at Guanacaste Conservation Area, Costa Rica and their implications for the nearby communities of the Central American Dry Corridor 

  Alfaro Martínez, Eric J.; Moreno Díaz, Mary Luz; Hidalgo León, Hugo G. (2022)

  We present a valuation of the main ecosystem services of the Rincon de la Vieja National Park (RVNP), as part of the Guanacaste Conservation Area (GCA) in the North Pacific of Costa Rica. The analysis consisted of an ...

• Bacteria contribute to plant secondary compound degradation in a generalist herbivore system. 

  Francoeur, Charlotte B.; Khadempour, Lily; Moreira Soto, Rolando Daniel; Gotting, Kirsten; Book, Adam J.; Pinto Tomás, Adrián A.; Keefover Ring, Ken; Currie, Cameron Robert (2020)

  Herbivores must overcome a variety of plant defenses, including coping with plant secondary compounds (PSCs). To help detoxify these defensive chemicals, several insect herbivores are known to harbor gut microbiota with ...

• Pollen Streptomyces Produce Antibiotic That Inhibits the Honey Bee Pathogen Paenibacillus larvae 

  Grubbs, Kirk J.; May, Daniel S.; Sardina, Joseph A.; Dermenjian, Renee K.; Wyche, Thomas P.; Pinto Tomás, Adrián A.; Clardy, Jon; Currie, Cameron Robert (2021)

  Humans use natural products to treat disease; similarly, some insects use natural products produced by Actinobacteria to combat infectious pathogens. Honey bees, Apis mellifera, are ecologically and economically important ...

• Diversity of deep-sea echinoderms from Costa Rica 

  Alvarado Barrientos, Juan José; Chacón Monge, José Leonardo; Azofeifa Solano, Juan Carlos; Cortés Núñez, Jorge (2022-07-31)

  Echinoderms are a highly diverse group and one of the most conspicuous in the deep sea, playing ecological key roles. We present a review about the history of expeditions and studies on deep-sea echinoderms in Costa Rica, ...

• Habitat adaptation drives speciation of a Streptomyces species with distinct habitats and disparate geographic origins 

  Wang, Jiao; Li, Yisong; Pinto Tomás, Adrián A.; Cheng, Kun; Huang, Ying (2022-01-11)

  Microbial diversification is driven by geographic and ecological factors, but how the relative importance of these factors varies among species, geographic scales, and habitats remains unclear. Streptomyces, a genus of ...

• Inicio de la temporada de lluvias en América Central 

  Alfaro Martínez, Eric J.; Hidalgo León, Hugo G. (2021)

  Los comienzos tempranos (tardíos) de la temporada de lluvias en América Central, tienden a estar asociados con periodos en mayo-junio más lluviosos (más secos), siendo este el primer pico de la temporada de lluvias. El ...

• Visualization of 40 Years of Tropical Cyclone Positions and Their Rainfall 

  Hernández Castro, Franklin; Monge Fallas, Jorge; Hidalgo León, Hugo G.; Alfaro Martínez, Eric J. (2021)

  This article focuses on a visualization of tropical cyclone track data occurring over a 40- year period (1970–2010) and their relationship with (extremely) heavy rainfall reported by 88 Central American weather stations. The ...

• The roles of growth regulation and appendage patterning genes in the morphogenesis of treehopper pronota. 

  Kudla, Anna Marie; Miranda Garnier, Ximena; Nijhout, Herman Frederik (2022-06)

  Treehoppers of the insect family Membracidae have evolved enlarged and elaborate pronotal structures, which is hypothesized to involve co-opted expression of genes that are shared with the wings. Here, we investigate the ...

• Tropical Atmospheric Corrosion of Galvanized Steel, in a light urban atmosphere in the San José Valley of Costa Rica 

  Rodríguez Yáñez, Javier E.; Uruchurtu Chavarin, Jorge; Sanabria Chinchilla, Jean (2022)

  Costa Rica imports most of the metallic materials it uses. In construction, Galvanized Steel (GS) is one of the most used elements in urban areas, where atmospheric corrosion is the main problem of its environmental ...

• Infografías: Características Geográficas del Corredor Seco Centroamericano 

  Alafaro Martínez, Eric J.; Arias, Maricruz; Cognuck, Sara; Hidalgo León, Hugo G.; Pérez Briceño, Paula Marcela (2021-11-10)

  Se presentan seis infografías relacionadas con las características geográficas e históricas del suelo Corredor Seco Centroamericano. Estos fueron divulgadas, como una actividad de extensión y divulgación, a través del sitio ...

• Infografías: Uso de suelo del Corredor Seco Centroamericano 

  Pérez Briceño, Paula Marcela; Alfaro Martínez, Eric J.; Arias, Maricruz; Hidalgo León, Hugo G.; Cognuck, Sara (2021-07-20)

  Se presentan cinco infografías relacionadas con el uso del suelo en el Corredor Seco Centroamericano. Los tópicos de las mismas son: a) Generalidades del uso de suelo del CSC, b) Población en el CSC, c) Las políticas en ...

• Infiltración y redistribución de agua en perfiles de la zona no saturada en la cuenca alta del río Paez, Cartago 

  Ramírez Granados, Pablo Ignacio (2022)

  En Costa Rica, la entrada del agua al suelo y su movimiento dentro de él ha sido poco estudiado. Esta entrada de agua puede estudiarse en un espacio geográfico claramente definido como lo es la cuenca hidrográfica. Es ...

• Diseño de propuesta didáctica experimental en la Enseñanza de la Física aplicada al tema de Electricidad para estudiantes de Undécimo año del Colegio Científico Costarricense de San Ramón 

  Arias Navarro, Eduardo Alonso (2020-12-16)

  Como parte de una necesidad y mejora en el proceso de enseñanza aprendizaje en la educación diversificada del SNCCC, en la lección de física con laboratorio se planteó la investigación de una propuesta didáctica experimental ...

• Inventario de Humedales para Protección Costera (IHPC): una herramienta para la gestión costera en Costa Rica 

  Calleja Apéstegui, Felipe; López Arias, Luis Fernando (2022-05-24)

  Costa Rica cuenta con aproximadamente 1 500 km de costa en los cuales se localizan humedales que ofrecen una gran variedad de servicios ecosistémicos, entre ellos, la protección costera. La cuantificación de este servicio ...

View more