Browsing Facultad de Ciencias Exactas y Naturales by Author "Ramírez Alvarado, Marvin"
Now showing items 1-4 of 4
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First record of non-indigenous Paracaprella pusilla Mayer, 1890 (Crustacea: Amphipoda: Caprellidae) in Golfo de Nicoya, Pacific Coast of Costa Rica
Alfaro-Montoya, Jorge; Ramírez Alvarado, Marvin (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 ... -
hCG hormonal induction in wild queen drum Cynoscion albus in captivity
Boza Abarca, Jorge; Ramírez Alvarado, Marvin; Calvo Vargas, Emilia; Berrocal Artavia, Karen (Federação de Sociedades de Biologia Experimental (Brasil), 2018)The queen drum, Cynoscion albus is one of the 34 species distributed along the Central América pacific coast, which is captured with a trammel in the Gulf of Nicoya Because overfishing reports of sciaenid species in Costa ... -
Reproducción, Alevinaje y Crecimiento en Cautiverio de Tamborilleros o Roncadores del Pacífico Americano: Weakfish Cynoscionsquamipinnisy Whitefin Queen Cynoscionalbus: Una Revisión
Boza Abarca, Jorge ; Ramírez Alvarado, Marvin; Barquero Chanto, Juan Esteban; Calvo Vargas, Emilia; Berrocal Artavia, Karen (World Aquaculture Society (Estados Unidos), 2019-11)Interés por estudiar la reproducción y alevinaje de esciánidos .Repoblamiento de áreas sobreexplotadas .Maricultura sostenible .Diversificación de los cultivos .Fuente de proteína de alta calidad .Falta de conocimiento ... -
Spontaneous spawning in captivity of the first generation hatchery-produced weakfish, Cynoscion squamipinnis (Perciformes: Sciaenidae)
Boza Abarca, Jorge ; Ramírez Alvarado, Marvin; Calvo Vargas, Emilia; Berrocal Artavia, Karen (Universidad Nacional (Costa Rica), 2017-01)The aim of this study was to evaluate the spontaneous spawning of the first generation of weakfish (Cynoscion squamipinnis) reared in captivity in order to conduct restocking programs and mariculture projects. Juveniles ...