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Exploitation and reproduction of the bullnose ray (Myliobatis freminvillei) caught in an artisanal fishery in La Pared, Margarita Island, Venezuela
(Fishery Bulletin - National Oceanic and Atmospheric Administration vol.114 no.2 144-152 2016, 2016-01-21)
Species of the genus Myli-obatis have been poorly assessed because of a lack of available information regarding their capture and life history. We provide valuable data based on the commercial landings of the bullnose ray ...
Determinación del flujo de agua para la biorremediación en sistemas acuícolas recirculados utilizando tapetes microbianos construidos
(2015-09-01)
La cantidad de agua necesaria en los sistemas de producción aumenta con la Intensificación; se han establecido tasas económicas de uso. Esta situación ha obligado a los productores a diseñar sistemas que les permitan seguir ...
Isolation of ammonium- and nitrite-oxidizing bacterial strains from soil, and their potential use in the reduction of nitrogen in household waste water
(Universidad de Costa Rica, 2017-12-01)
Currently, nitrogen has become the main element of water pollution, causing riverine, lacustrine and coastal eutrophication. The continuous contamination of aquifers and the absence of planned water resource utilization, ...
Spotted rose snapper (Lutjanus guttatus) aquaculture research and development as socio-economic alternative for Costa Rican fishing communities
(2010-06-01)
The spotted rose snapper (Lutjanus guttatus) is one of the main target coastal species, but landings are decreasing in quantity and size. Reports include a mean capture size of 50 cm with gill nets and 38 cm with bottom ...
The histological structure of the androgenic gland and cellular cord of the male reproductive system of adult litopenaeus and rimapenaeus byrdi
(2012-05-01)
The current knowledge of the precise extension and location of the androgenic gland (AG) in the genera Litopenaeus and Rimapenaeus is partial. Therefore, we analyzed the complete structure of the AG and cellular cord ...
Apps en la enseñanza de la Biología como herramientas tecnológicas para la potenciación de las habilidades: responsabilidades personal y social, resolución de problemas y apropiación de tecnologías digitales en las Olimpiadas Costarricenses de Ciencias Biológicas 2017
(Universidad Nacional (Costa Rica), 2018)
Esta investigación tuvo como propósito analizar los aportes que generan las Apps en la
enseñanza de la Biología como herramientas tecnológicas para la potenciación de las
habilidades responsabilidad personal y social, ...
First record of non-indigenous Paracaprella pusilla Mayer, 1890 (Crustacea: Amphipoda: Caprellidae) in Golfo de Nicoya, Pacific Coast of Costa Rica
(REABIC, 2018)
The caprellid Paracaprella pusilla from the Western Atlantic Ocean is reported for the first time in Golfo de Nicoya, Pacific coast of Costa Rica, representing the third registered invasion of this species in the Eastern ...
Identificación molecular y distribución potencial del anfípodo terrestre Talitroides topitotum (Crustacea: amphipoda; Talitridae) en Costa Rica
(Universidad Nacional de Colombia, 2018-04)
El anfípodo terrestre, Talitroides topitotum, es un talítrido distribuido mundialmente en regiones subtropicales y templadas, con un amplio rango de distribución altitudinal, temperatura y humedad. Se colectaron y procesaron ...
Isolation and characterization of partial insulin-like androgenic gland hormone gene from distal terminal ampoules of three marine shrimp Penaeus species from the Eastern Pacific
(2018)
The expansion of the shrimp industry depends on scientific advances related to the understanding of reproductive endocrinology that allows the development of aquaculture programs based on biotechnology. An insulin ...
Indicator - based management recommendations for an artisanal bottom - longline fishery in Costa Rica, Central America
(Universidad de Costa Rica, 2017)
There is a growing need to strengthen the small-scale fishing sector with emerging governance methods that improve fishers’ threatened livelihoods. Therefore, this study’s aim was to develop management
recommendations, ...