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Site Characterization and Implementation of Innovative Sustainable Oyster Systems

Oyster / By

The SCI2SOS project funded under the CRADLE Program of DOST aims to establish oyster mariculture areas through sustainable means and by using science-based decision making in the monitoring of such oyster mariculture. The project was originally proposed as an alternative livelihood to fisherfolk, especially during the height of the COVID-19 pandemic, in order to provide …

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Establishment of Sanitary Quality of Oysters and Their Culture Condition

Oyster / By

Ideal growing areas for oysters were identified, where relaying sites were established, which could be able to reduce E. coli counts from 24,000 MPN/ 100 g to ā‰¤ 20 MPN/ 100 g after 2 weeks of relaying, making the raw oyster safe for human consumption. Comprehensive data on the sanitary quality of the oyster growing …

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Genetic structure of slipper shaped oyster

Oyster / By

Studies on genetic structure of populations and its morphological association are important to advance oyster farming. This study was focused to look at the genetic structure of Crassostrea iredalei populations in the Philippines using microsatellite markers through optimization of the identified five loci. This project was conducted in 5 Provinces, Iloilo, Aklan, Capiz, Negros Occidental …

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Hatchery Production of Single Spats Slipper-shaped Oyster

Oyster / By

The manual ā€œHatchery Production of Single Spats Slipper-shaped Oyster Crassostrea iredaleiā€ is one of the major outputs of the National Oyster R&D Program under the projects, “Broodstock Management and Conditioning for the Oyster, Crassostrea iredalei to Maximize Production” and “Refinement of the Larval, Post Larval, and Nursery Rearing Techniques for Crassostrea iredalei,” funded by the …

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Culture technology for the production of corals for reef restoration

Corals / By

Culture technologies for sexually-derived coral propagules for reef restoration were developed and summarized in a manual entitled “Culture and rearing techniques of corals from larvae”. Results on the optimal size of sexual coral propagules appropriate for outplantation suggest that the performance of sexually-derived small coral outplants is highly affected by the condition of the outplantation …

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A Rapid Assessment Instrument for Coastal Benthic Habitats (ARAICoBeH) System

Corals / By

A Rapid Assessment Instrument for Coastal Benthic Habitats (ARAICoBeH) System is a set of low-cost survey equipment that can cover huge areas of both coral and non-coral sites within a short amount of time.  ARAICoBeH System is deployed from a boat and is made up of 3 components: 1) an action camera on a small …

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Understanding coastal acidification effects to corals and marine organisms

Corals / By

The Coastal Acidification Program generated information on coastal acidification as a contribution to justify the inclusion of coastal acidification to the National Climate Change Action Plan and to provide actual Philippine coastal acidification data to the Global Ocean Acidification ā€“ Observing Network (GOA-ON). Through this program, data from 63 sites across the country was generated …

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Factors that influence coral population persistence to serve as a guide to resilience-based management and restoration practice

Corals / By

This project studied the genetic structure and connectivity of natural populations of representative coral species with varying dispersal potentials based on life history traits, e.g., a broadcast spawner (Acropora digitifera) which likely disperses further distances compared to a brooder which has restricted larval dispersal (Heliopora coerulea), and a species with mixed modes of reproduction and …

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Coral responses to thermal stress

Corals / By

Genetic mechanisms that confer stress susceptibility or resilience to corals was determined using RNA-sequencing (RNA-seq) technology. It was discovered that differences in the thermal tolerance of corals correlate with differences in the way that these species deploy their stress response tool kit when subjected to elevated temperature. This project is the first to capture the …

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Coral responses to environmental stress

Corals / By

The physiological limits of 17 selected coral species in response to ocean acidification, ocean warming, and anthropogenic nutrient-coastal acidification stress were evaluated using manipulative experiments. As a result, a ranked list of coral stress tolerances was generated showing that corals exhibited lower tolerance to thermal stress than ocean acidification. Moreover, corals exhibit greater declines in …

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