Results 31 to 40 of about 5,329 (193)

Carga parasitaria y desempeño productivo en crías del hibrido de tilapia “Pargo cerezo”, cultivadas con y sin aplicación de un compuesto parasitario (formalina)

open access: yesRevista Biológico Agropecuaria Tuxpan, 2022
En el presente trabajo se determinó de manera experimental: 1) el comportamiento de los parámetros de infección (prevalencia e intensidad promedio) de las parasitosis en crías de tilapia “Pargo cerezo” (Oreochromis niloticus X O.
Ludybed Escobar Sarabia   +4 more
doaj   +1 more source

Composición proximal y perfil de aminoácidos de estadios tempranos del pargo flamenco Lutjanus guttatus [PDF]

open access: yesRevista de Biología Marina y Oceanografía, 2019
Los embriones y las larvas de los peces marinos utilizan los aminoácidos (AA) como fuente de energía para el metabolismo aeróbico y para mantener la osmolalidad de los fluidos corporales durante los primeros estadios de desarrollo. El perfil de AA de los huevos y larvas puede utilizarse como un indicador aproximado del requerimiento de aminoácidos ...
Abdo-de la Parra, María Isabel   +6 more
openaire   +2 more sources

Crecimiento de dos variedades de mojarra tilapia en jaulas flotantes, bajo tres densidades de población

open access: yesRevista Biológico Agropecuaria Tuxpan, 2014
Se estudió el efecto de diferentes densidades de población sobre el crecimiento de dos variedades de mojarra tilapia, Oreochromis niloticus (variedad Stirling) y Oreochromis ssp (pargo UNAM). El trabajo se realizó bajo el sistema de jaulas flotantes con
Guadalupe Castillo Capitán   +4 more
doaj   +1 more source

Solar resource assessment through long-term statistical analysis and typical data generation with different time resolutions using GHI measurements [PDF]

open access: yes, 2018
This work addresses the solar resource assessment through long-term statistical analysis and typical weather data generation with different time resolutions, using measurements of Global Horizontal Irradiation (GHI) and other relevant meteorological ...
Abreu, Edgar F.M.   +3 more
core   +1 more source

Governance Arrangements That Fit Social‐Ecological Context Are Associated With Fishery Sustainability

open access: yesFish and Fisheries, Volume 27, Issue 2, Page 381-399, March 2026.
ABSTRACT In many parts of the world, natural resources are primarily managed by governance arrangements at the local level. Those arrangements range from collective, such as cooperatives and associations, to individualistic, such as patrons and owner‐operators.
Mateja Nenadović   +25 more
wiley   +1 more source

Diet composition of fish species from the southern continental shelf of Colombia [PDF]

open access: yes, 2002
The diet composition of 30 fish species belonging to 16 families from the Pacific Coast of Colombia is described. Benthic crustaceans (37.5%) and bony fishes (23.7%, chiefly demersal) were the most important food items for the fish species analyzed. Data
Arcila, C.A.T., Lopez-Peralta, R.H.
core  

Taxonomic investigation of Abrothallus (Abrothallales, Ascomycota) species associated with lichen genera Ramalina and Bryoria, including the description of a new species

open access: yesNordic Journal of Botany, Volume 2026, Issue 2, February 2026.
The obligately lichenicolous genus Abrothallus consists of approximately 50 species, almost all of which are associated with lichens having foliose, fruticose, or pendulous thalli. This paper focuses on species that grow on strap lichens (Ramalina) providing new insights into their phylogenetic relationships and distribution.
Ave Suija   +5 more
wiley   +1 more source

Metodología de evaluación ambiental para una maricultura oceánica sostenible en Ecuador.

open access: yesRevista Ciencias Pedagógicas e Innovación, 2015
La acuicultura marina se perfila como una actividad muy prometedora en respuesta a la creciente presión mundial por recursos alimenticios. Debido a las limitaciones de espacio y menor calidad ambiental en las zonas costeras, las aguas mar afuera se ...
Johnny Xavier Chavarría Viteri   +1 more
doaj   +1 more source

Barriers and opportunities for consumption of invasive lionfish in Belize

open access: yesPeople and Nature, Volume 7, Issue 11, Page 2777-2793, November 2025.
Abstract Invasive lionfish (Pterois spp.) have rapidly spread across the Western Atlantic and Mediterranean Sea. They reproduce frequently and consume native marine life important to livelihoods and reef health. To combat the deleterious impacts of this species, management efforts in Belize and throughout the invaded range have included development of ...
Kaylin R. Clements   +6 more
wiley   +1 more source

Complex dynamics of coral gene expression responses to low pH across species

open access: yesMolecular Ecology, Volume 33, Issue 1, January 2024.
Abstract Coral capacity to tolerate low pH affects coral community composition and, ultimately, reef ecosystem function. Low pH submarine discharges (‘Ojo’; Yucatán, México) represent a natural laboratory to study plasticity and acclimatization to low pH in relation to ocean acidification.
Veronica Z. Radice   +4 more
wiley   +1 more source

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