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• Caracterización molecular de bacterias simbióticas provenientes de especies forestales leguminosas y evaluación de la respuesta de inoculación 

  Zúñiga Orozco, Andrés (2023-05-26)

  La diversidad de bacterias fijadoras de nitrógeno asociada con especies forestales tropicales ha sido relativamente poco estudiada. En este estudio se aislaron bacterias simbiontes en nódulos de ocho especies forestales ...

• Agresividad y competencia por refugios en el murciélago Kerivoula hardwickii 

  Castillo Salazar, Christian Angelo (2022)

  En la competencia por recursos, generalmente se ha pensado que los animales con mayor tamaño y masa corporal tienen más probabilidades de ganar batallas. Sin embargo, recientemente se ha descubierto que las diferencias de ...

• Aristolochia hondurensis (Aristolochiaceae), a new species from Honduras 

  Jiménez Vargas, José Esteban; Oyuela Andino, Olvin; Bonilla, Josué H.; Blanco Coto, Mario Alberto (2023-02-23)

  Aristolochia hondurensis, a new species of Aristolochia series Hexandrae subseries Hexandrae, endemic to Honduras, is described and illustrated. It is a species morphologically similar to Aristolochia anguicida, from which ...

• Demystifying Orchid Pollination 

  Karremans Lok, Adam Philip (2023)

  Demystifying Orchid Pollination explores the fascinating natural history of orchids and the extraordinary means by which they reproduce. Author Adam P. Karremans reveals their hidden secrets, from the cruel obsession of ...

• Beyond the various contrivances by which orchids are pollinated: global patterns in orchid pollination biology 

  Ackerman, James D.; Phillips, Ryan; Tremblay, Raymond L.; Karremans Lok, Adam Philip; Reiter, Noushka; Peter, Craig I.; Bogarín Chaves, Diego Gerardo; Pérez Escobar, Oscar Alejandro; Liu, Hong (2023)

  Orchidaceae show remarkable diversity in pollination strategies, but how these strategies vary globally is not entirely clear. To identify regions and taxa that are data-rich and lend themselves to rigorous analyses or are ...

• Two new cauliflorous species of Aristolochia subseries Anthocaulicae (Aristolochiaceae) from southern Central America 

  Jiménez Vargas, José Esteban; Blanco Coto, Mario Alberto (2022)

  Two new cauliflorous species of Aristolochia subseries Anthocaulicae from southern Central America are described and illustrated. Aristolochia guanacastensis from northwestern Costa Rica resembles A. ruiziana, from which ...

• Evaluación de prácticas agrícolas sobre la comunidad de aves en un paisaje cafetalero con distintos tipos de manejo 

  Molina Mora, Ingrid (2023)

  Entre los varios métodos de producción agrícola extensiva existentes, se producen distintos impactos ambientales y sociales. Uno de los más grandes constituye la pérdida de hábitat para la vida silvestre. La agricultura ...

• Sweet as Vanilla hartii: Evidence for a nectar-rewarding pollination mechanism in Vanilla (Orchidaceae) flowers 

  Watteyn, Charlotte; Scaccabarozzi, Daniela; Muys, Bart; Reubens, Bert; Ackerman, James D.; Fernández Otárola, Mauricio; Guizar Amador, Maria Fernanda; Karremans Lok, Adam Philip (2023-05-01)

  Little is known about the pollination mechanisms of species belonging to the genus Vanilla (Orchidaceae). Both autonomous self-pollination and animal-mediated pollination mechanisms seem to exist amongst the Vanilla species, ...

• Ricciocarpos natans (Marchantiophyta, Ricciaceae), new to Costa Rica, with a survey of its presence in Latin America 

  Acuña Castillo, Rafael; Jiménez Vargas, José Esteban; Blanco Coto, Mario Alberto; Bezerra Silva, Luiz Eduardo (2023-03-22)

  Background and Aims: Ricciocarpos natans is one of the few species of truly aquatic hepatics. It has a subcosmopolitan distribution and appears to be more common in temperate areas. The species has been considered to be ...

• Biology, Behavior, and Larval Morphology of Salbia lotanalis (Lepidoptera: Crambidae), a Potential Biological Control Agent of Miconia calvescens (Myrtales: Melastomataceae) From Costa Rica 

  Castillo Castillo, Alexander; Johnson, M.Tracy; Badenes Pérez, Francisco R. (2014-11-01)

  The leaf roller Salbia lotanalis Druce (Lepidoptera: Crambidae), a potential biological control agent of Miconia calvescens de Candolle (Melastomataceae), was studied in Costa Rica. Larvae were collected from a Þeld site ...

• Efecto del aislamiento urbano espacial y temporal en la diversidad genética, características acústicas y morfológicas de Melozone Leucotis (Aves: Passerellidae) 

  Cueva Roblez, Luis Fernando (2023)

  La urbanización genera alteraciones en los ecosistemas, incluyendo la fragmentación de los hábitats naturales, lo que produce el aislamiento de poblaciones de una misma especie. Como consecuencia, se espera que el flujo ...

• Rapid diversification of the Variable Seedeater superspecies complex despite widespread gene flow 

  Ocampo Vargas, Diego; Winker, Kevin; Miller, Matthew J.; Sandoval Vargas, Luis Andrés (2022)

  Disentangling the evolutionary relationships of rapidly radiating clades is often challenging because of low genetic differentiation and potentially high levels of gene flow among diverging taxa. The genus Sporophila ...

• Invasive potential of Baccharis halimifolia: Experimental characterization of its establishment capacity 

  Calleja Apéstegui, Felipe; Ondiviela, Bárbara; Juanes, José Antonio (2019-06)

  The early development of estuarine vegetation is a key aspect in the establishment of new individuals in invasion processes. The aim of this research was to characterize experimentally the survival capacity and early ...

• Mapping estuarine vegetation using satellite imagery: The case of the invasive species Baccharis halimifolia at a Natura 2000 site 

  Calleja Apéstegui, Felipe; Ondiviela, Bárbara; Galván, Cristina; Recio, María; Juanes, José Antonio (2019-02)

  The invasive shrub Baccharis halimifolia is a threat to the environmental health of many estuarine protected areas throughout Europe. It displaces saltmarsh vegetation and creates monospecific stands that diminish the ...

• Asociación entre la morfología alar y el uso del hábitat en seis especies de palomas (Columbidae) neotropicales 

  Ocampo Vargas, Diego; Alvarado Barrantes, Angélica; Álvarez, María José; Ríos Acuña, Adrián; Barrantes Montero, Gilbert; Sandoval Vargas, Luis Andrés (2019)

  Biomechanics, behavior, and natural history influence wing dimension and shape. Wing design often correlates with features of the habitat in which each species is found. Doves and pigeons (Columbidae family) range from ...

• Can seedlings’ physiological information improve vegetation distribution predictions at local scales? 

  Calleja Apéstegui, Felipe; Ondiviela, Bárbara; Puente, Araceli; Juanes, José Antonio (2020-04-17)

  Physiological information has been suc- cessfully included in marine Species Distribution Models (SDM) before, but few have considered a previous development stage that could have affected the present-day distribution ...

• Long-term analysis of Zostera noltei: A retrospective approach for understanding seagrasses' dynamics 

  Calleja Apéstegui, Felipe; Galván, Cristina; Silió Calzada, Ana; Juanes, José Antonio; Ondiviela, Bárbara (2017-09)

  Long-term studies are necessary to establish trends and to understand seagrasses' spatial and temporal dynamic. Nevertheless, this type of research is scarce, as the required databases are often unavailable. The objectives ...

• Blooming plant species diversity patterns in two adjacent Costa Rican highland ecosystems 

  Cristóbal Pérez, Edson Jacob; Barrantes Montero, Gilbert; Cascante Marín, Alfredo; Madrigal Brenes, Ruth; Hanson Snortun, Paul; Fuchs Castillo, Eric J. (2023-01-12)

  The Costa Rican Paramo is a unique ecosystem with high levels of endemism that is geographically isolated from the Andean Paramos. Paramo ecosystems occur above Montane Forests, below the permanent snow level, and their ...

• Changes in escape behaviour of black iguanas (Ctenosaura similis) over an anthropogenic disturbance gradient 

  Panwar, Pooja; Gómez Ruiz, Pilar Angélica; Zipple, Matthew; Sandoval Vargas, Luis Andrés (2021)

  Studies on the impact of human activity on animal behaviour are critical for understanding the extent to which humans affect ecological dynamics. Previous studies have found that human presence alters antipredator behaviours, ...

• Changes in nesting sites abundance and their use by woodpeckers along an urban gradient: a ten-year comparison 

  Protti Sánchez, Francesca; Sandoval Vargas, Luis Andrés (2019)

  Woodpeckers nesting substrate abundance may be reduced by urban expansion, negatively affecting their reproduction. Long-term studies in the tropics are rare but valuable to estimate how urban development has affected ...

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