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  • Acondicionamiento gonádico  (1)
  • CCMI  (1)
  • 2020-2023  (1)
  • 2020-2022  (1)
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  • 2020-2023  (1)
  • 2020-2022  (1)
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  • 1
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    Caribbean corals in crisis: record thermal stress, bleaching, and mortality in 2005 (2021)
    In:  http://aquaticcommons.org/id/eprint/11305 | 9 | 2020-10-12 13:47:59 | 11305 | Central Caribbean Marine Institute
    Details
    Publication Date: 2021-07-01
    Description: Background:The rising temperature of the world’s oceans has become a major threat to coral reefs globally as the severityand frequency of mass coral bleaching and mortality events increase. In 2005, high ocean temperatures in the tropicalAtlantic and Caribbean resulted in the most severe bleaching event ever recorded in the basin.Methodology/Principal Findings:Satellite-based tools provided warnings for coral reef managers and scientists, guiding both the timing and location of researchers’ field observations as anomalously warm conditions developed and spread across the greater Caribbean region from June to October 2005. Field surveys of bleaching and mortality exceeded prior efforts in detail and extent, and provided a new standard for documenting the effects of bleaching and for testing nowcast and forecast products. Collaborators from 22 countries undertook the most comprehensive documentation of basin-scale bleaching to date and found that over 80% of corals bleached and over 40% died at many sites. The most severe bleaching coincided with waters nearest a western Atlantic warm pool that was centered off the northern end of the Lesser Antilles.Conclusions/Significance:Thermal stress during the 2005 event exceeded any observed from the Caribbean in the prior 20 years, and regionally-averaged temperatures were the warmest in over 150 years. Comparison of satellite data against field surveys demonstrated a significant predictive relationship between accumulated heat stress (measured using NOAA CoralReef Watch’s Degree Heating Weeks) and bleaching intensity. This severe, widespread bleaching and mortality willundoubtedly have long-term consequences for reef ecosystems and suggests a troubled future for tropical marine ecosystems under a warming climate
    Description: NOAA Coral Reef Conservation Program
    Description: Article Nr: e13969
    Keywords: Biology ; Ecology ; Environment ; Fisheries ; Caribbean Sea ; coral reefs ; bleaching ; climate change ; temperature effects ; CCMI
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 1-9
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  • 2
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    Efecto de medicamentos homeopáticos de uso humano en la maduración sexual de reproductores de ostión americano Crassostrea virginica. (2022)
    Details
    Publication Date: 2022-11-20
    Description: En el Centro Ostrícola Tecnológico de Tabasco, COTET-México, se evaluó el efecto de medicamentos homeopáticos autorizados para uso humano por la Secretaría de Salud de México y productos homeopáticos diseñados por el CIBNOR, durante el acondicionamiento gonádico de reproductores de ostión americano Crassostrea virginica. En el diseño experimental se consideró una muestra inicial (T0), dos tratamientos homeopáticos [T1 (ViP-7C + ViA-7C), T2 (PhA-7C + SiT-7C)] y un tratamiento control T3 (agua destilada). La respuesta fisiológica se cuantificó mediante la frecuencia (%) de estadios de desarrollo gonádico en hembras y machos, durante un periodo de 30 días. Al concluir el bioensayo, los reproductores que recibieron los tratamientos T1 y T2 fueron capaces de re-madurar, desovar y producir larvas viables. Esto sugiere una potencial aplicabilidad de estos tratamientos en la producción comercial de semillas de C. virginica.
    Description: At the Centro Ostrícola Tecnológico de Tabasco (COTET-MX), the effect of homeopathic medicines authorized for human use by the Ministry of Health of Mexico and homeopathic products designed by CIBNOR, were evaluated during gonadal conditioning of american oyster Crassostrea virginica broodstock. In the experimental design, an initial sample (T0), two homeopathic treatments [T1 (ViP-7C + ViA-7C), T2 (PhA-7C + SiT-7C)] and a control treatment T3 (distilled water) were considered. The physiological response was quantified by the frequency (%) of gonadal development stages in females and males, during a period of 30 days. At the end of the bioassay, the broodstock that received treatments T1 and T2 were able to re-mature, spawn and produce viable larvae. This suggests a potential applicability of these treatments in the commercial production of C. virginica seeds.
    Description: Published
    Description: Refereed
    Keywords: Homeopatía acuícola ; Moluscos ostreidos ; Acondicionamiento gonádico ; Re-maduración sexual ; Aquacultural homeopathy ; Ostreid molluscs ; Gonadal conditioning ; Sexual re-maturation
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.66-74
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