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PCAARRD's Industry Strategic Science and Technology Programs
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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 – 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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Status of corals across the Philippines including endangered coral and coral reef species listed in the International Union for Conservation of Nature (IUCN)

Corals / By

DOST-PCAARRD supported the nationwide coral reef assessment in 2015, which assessed a total of 206 stations using HCC and allowed the development of (1) standardized protocol for reef monitoring, assessment and taxonomic identification, and (2) new scale for classifying the status of coral reefs developed using HCC and national and regional benchmarks, assessment scales and …

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Role of Type VI Secretion System during shrimp infection of Vibrio spp.-causing acute hepatopancreatic necrosis disease (AHPND)

Shrimp / By

This project will investigate the potential role of Type VI Secretion System encoded by Vibrio-causing AHPND during shrimp infection. It has been shown that AHPND is caused by plasmid-encoded binary toxins V. parahaemolyticus Photorhabdus insect-related toxins (PirAVP and PirBVP). However, little is known about the pathogenicity and it remains unknown whether other virulent factors are …

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Effect of biofloc technology on water quality and growth performance of Macrobrachium rosenbergii and assessment of the associated bacterial communities

Shrimp / By

Biofloc technology has become a popular technology in the farming of tilapia, Penaeus monodon, and Litopenaeus vannamei. It is an advanced technology identified for solving evolving viral problems and rising costs for energy. BFT has already been pilot tested in three farms in Luzon, two in Visayas, and two in Mindanao. Biofloc technology proved success …

Effect of biofloc technology on water quality and growth performance of Macrobrachium rosenbergii and assessment of the associated bacterial communities Read More »