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Nuevos registros de chinches patinadores (Hemiptera: Heteroptera : Gerridae) en Nicaragua y registros adicionales para Costa Rica
(Universidad Nacional del Perú, Decana de América. Universidad Nacional Mayor de San Marcos., 2014)
Se confirma la presencia de las especies Trepobates taylori, Trepobates trepidus y Limno-gonus franciscanus por primera vez para Nicaragua. Además, se proveen otros registros de distribución para los géneros Trepobates y ...
Environmentally relevant concentrations of silver nanoparticles diminish soil microbial biomass but do not alter enzyme activities or microbial diversity
(Elsevier B.V., 2020-06-05)
The increasing use of silver nanoparticles (AgNPs) due to their well-known antimicrobial activity, has led to their accumulation in soil ecosystems. However, the impact of environmental realistic concentrations of AgNPs ...
Three New Species and New Records of Dennstaedtia Bernh. from Mesoamerica
(Universidad Nacional, Costa Rica, 2018)
Navarrete & Øllgaard [1] indicated the presence of a “C” group within
Dennstaedtia Bernh. that contains D. obtusifolia (Willd.) T. Moore, which is
the type material of the genus Patania C. Presl and indicated that it ...
Detection of Human Paragonimiasis by ELISA Using Recombinant Paragonimus westermani Cysteine Protease 7
(The American Society of Tropical Medicine and Hygiene, 2023-05)
Paragonimiasis is an important but neglected foodborne trematodiasis caused by Paragonimus mexicanus in Costa Rica. Immunological techniques for diagnosing this parasitosis in humans do not exist in Central America. The ...
A new vanilla species from Costa Rica closely related to V. planifolia (Orchidaceae)
(European Journal of Taxonomy, 2017-02-22)
We describe a new vanilla species growing in sympatry with Vanilla planifolia Jacks. ex Andrews (Orchidaceae) in the province of Limón, Caribbean coast of Costa Rica. The morphology of the reproductive and vegetative organs ...
Determinación del flujo de agua para la biorremediación en sistemas recirculados acuaculturales utilizando tapetes microbianos construidos
(2015)
The effect of water flow rate was evaluated on the microbial mats efficiency to remove total ammonia nitrogen (TAN, NH4+-N+ NH3-N), nitrite (N-NO2-), nitrate (N-NO3-) and orthophosphate (P-PO4-3) in a pilot recirculation ...
Thoracic nerve cord - ganglia recognition in intraspecific and interspecific transplants in the white shrimp, Penaeus (Litopenaeus) vannamei
(Science Direct, 2009-03)
The recognition response of Penaeus (Litopenaeus) vannamei against thoracic nerve cord–ganglia transplants from three species of Penaeidae: P. vannamei, P. (Litopenaeus) stylirostris, and Trachypenaeus byrdi, and one species ...
Surface-Water Quality of the Gulf of Papagayo, North Pacific, Costa Rica
(Universidad Nacional, Costa Rica, 2021-08-25)
In recent years, the northwestern part of the North Pacific areas of Costa Rica has undergone rapid socioeconomic development. This situation, combined with the scarce available information about the water quality of the ...
Dinámica de uso de suelo y sitios prioritarios para la restauración forestal del Corredor Biológico Río Tibás, Costa Rica
(2019-06)
An evaluation was conducted on landscape elements (land use, access roads, slopes, and environmental fragility) and trends in the use of soil during the period 2005-2016 in the area proposed for the Biological Corridor ...
Composición y estructura forestal del Corredor Biológico Interurbano Río Tibás, Heredia, Costa Rica
(2018-01)
This research had as objective to determine the forest structure and floristic composition of the “Tibás River Interurban Biological corridor” region. We delimit three elevational zones/strata in the area and established ...