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Mostrando ítems 198-217 de 1627
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Biology of snakes of the genus Tretanorhinus: an integrative review
(2019)Many aspects of the biology of various snake species remain unknown, and the extent of this lack of information is not always clear. As new research usually depends upon previous findings, the gaps in our knowledge and ... -
Biology, Behavior, and Larval Morphology of Salbia lotanalis (Lepidoptera: Crambidae), a Potential Biological Control Agent of Miconia calvescens (Myrtales: Melastomataceae) From Costa Rica
(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 ... -
Birds in Coastal and Marine Environments
(Springer Science & Business Media, 2009)In Costa Rican coastal and marine environments (e.g., estuaries, mud- flats, islands, open ocean) 96 bird species have been recorded, 11% of the total avifauna in the country. This high diversity is primarily explained by ... -
Blooming plant species diversity patterns in two adjacent Costa Rican highland ecosystems
(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 ... -
Body distribution of Bothrops asper (terciopelo) snake venom myotoxin and its relationship to pathological changes
(1988)The distribution of 125I-labelled Bothrops asper myotoxin following i.m. and i.v. injections was studied in mice. After i.m. administration the toxin was concentrated in the injected gastrocnemius muscle, with relatively ... -
Bombacaceae
(2020)Como parte del proyecto del Manual de Plantas de Costa Rica, la primera obra completa sobre las plantas vasculares con flores del país, se describen las 29 especies y 10 géneros de plantas pertenecientes a la familia ... -
Book Review. The Paphinia Book, by Rudolf Jenny
(2018-07) -
Borrelidin Induces the Unfolded Protein Response in Oral Cancer Cells and Chop-Dependent Apoptosis
(2015)Oral squamous cell carcinoma (OSCC) is the most common cancer affecting the oral cavity, and US clinics will register about 30,000 new patients in 2015. Current treatment modalities include chemotherapy, surgery, and ... -
Bosque y Población en la Península de Osa, Costa Rica
(Revista de Biología Tropical 50 (2):585-598, 2002, 2002-01)Este estudio relaciona datos geocodificados de censos de población con información de uso de la tierra proveniente de imágenes de satélite y fotografías aéreas. Se analizan tres procesos: deforestación, reforestación y ... -
Bosques de coral negro del Área de Conservación Guanacaste, Costa Rica: especies y distribución
(2021-09-06)Introduction: Little is known about the antipatharians in Costa Rica, only three species are known from the Pacific and the occurrence of coral forests was previously reported only for Isla del Coco. Black ... -
Brachionium kirbyi, a new species honoring the founder of the “Bosque de Paz” Orchid Project in Costa Rica
(2015)A new species of Brachionidium from Costa Rica is described and illustrated. Brachionidium kirbyi is most similar to Brachionidium dressleri Luer. It can be recognized by the erect plants, up to 14 cm tall, often branching, ... -
Brachiopods, sipunculans, enteropneusts and metals from two estuarine tidal flats, Pacific, Costa Rica
(2016-09)Reports on the abundances and on metal concentrations in intertidal estuarine invertebrates from the Eastern Tropical Pacific are rare. Thus, the objectives of this report are to make accessible data on the abundances ... -
Brain structure–function associations in multi-generational families genetically enriched for bipolar disorder
(2015-05)Recent theories regarding the pathophysiology of bipolar disorder suggest contributions of both neurodevelopmental and neurodegenerative processes. While structural neuroimaging studies indicate disease-associated ... -
Brief research history and status of myxomycete conservation in the Neotropics
(2012-11-08)As it is the case of most disciplines, biological groups and regions in the world; the historical path of research on myxomycetes in the Neotropical region has been written on the basis of a series of milestones, iconic ... -
Bryophyte and lichen biomass and nitrogen fixation in a high elevation cloud forest in Cerro de La Muerte, Costa Rica
(2021-01)Cloud forests have been found to lose more nitrogen in stream discharge than they gain from atmospheric deposition. They also support a large diversity and biomass of tree epiphytes, predominately composed of cryptogams. ... -
Bryozoans
(I.S. Wehrtmann, J. Cortés (eds.) Marine Biodiversity of Costa Rica, Central America. Springer., 2009)Sixty-one species of bryozoans have been reported in the literature from Costa Rica and are distributed as follows: Caribbean: 13 species in 11 genera, 10 families, 1 order, and 1 class; Pacific: 49 species in 41 genera, ... -
Burkholderia from fungus gardens of fungus-growing ants produce antifungals that inhibit the specialized parasite Escovopsis.
(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 ... -
Búsqueda y caracterización de proteínas biopesticidas novedosas a partir de cepas de Bacillus thuringiensis
(1999)En la actualidad se desarrollan y se cultivan comercialmente plantas transgénicas que expresan endotoxinas de Bacillus thuringiensis (Bt) como biopesticida para el control específico de insectos. Sin embargo, se teme que ... -
By-catch associated with fisheries of Heterocarpus vicarius (Costa Rica) and Heterocarpus reedi (Chile) (Decapoda: Pandalidae): a six-year study (2004-2009)
(Journal of Crustacean Biology, 33(2), 198-209. 2013, 2013)Growing concern about the quantity and diversity of by-catch species caught in the bottom trawling nets of crustacean fisheries led us to compare the quantity of by-catch recorded in Chilean and Costa Rican deep-water ...