Regular Issue | Volume 16(1) | June 2024
- First report of Noah’s clam Tridacna noae (Röding, 1798) in the reef of Culion: An addition to the distribution range in Palawan, Philippines - [Author:] Niño Jess Mar F. Mecha [Abstract:] This study provides additional information regarding the distribution range and habitat characteristics of two specimens Tridacna noae (Röding, 1798), a previously misidentified giant clam species, encountered in Barangay Malaking Patag, Culion, Palawan, Philippines. The giant clams were identified as T. noae due to the presence of ocellate spots… Continue Reading
- Livelihood assets and poverty among fishing households in Bicol Region, Philippines during the COVID-19 pandemic - [Authors:] Cherrylyn P. Labayo and Emmanuel M. Preña [Abstract:] Research efforts concerning COVID-19 primarily focused on the macro-level impacts of the pandemic on multiple fronts. Less attention was paid to individuals and less still to the socio-economic condition of the poorest sectors. This research addresses this gap by utilizing the theory of change (ToC) of… Continue Reading
- Problem-solving difficulties, performance, and differences among preservice teachers in Western Philippines University - [Authors:] Jupeth T. Pentang, Louina Joana T. Andrade, Jocelyn C. Golben, Jonalyn P. Talua, Ronalyn M. Bautista, Janina C. Sercenia, Dian Permatasari, Manuel L. Bucad Jr., and Mark Donnel D. Viernes [Abstract:] The ability to solve problems is a prerequisite in preparing mathematics preservice teachers. This study assessed preservice teachers’ problem-solving difficulties and performance, particularly… Continue Reading
- Quantile regression model on how logical and rewarding is learning mathematics in the new normal - [Author:] Leomarich F. Casinillo [Abstract:] Learning mathematics through distance education can be challenging, with the “logical” and “rewarding” nature proving difficult to measure. This article aimed to articulate an argument explaining the “logical” and “rewarding” nature of online mathematics learning, elucidating their causal factors. Existing data from the literature that involving students at Visayas State… Continue Reading
- Selection of optimal draw solutionrecovery technology for forward osmosisdesalination system using analyticalhierarchy process - [Authors:] Gabriel A. Junco, Veronica P. Migo, Mart Merwin C. Magboo, and Ramon Christian P. Eusebio [Abstract:] Water scarcity poses a significant threat to global food and water security, prompting a need for practical solutions. With 97% of Earth's water situated in oceans, desalination emerges as a viable option. Among desalination technologies, forward osmosis (FO)… Continue Reading
- Incidence of ghost nets in the Tioman Island Marine Park of Malaysia - [Authors:] Alvin J. Chelliah, Sue Y. Chen, Shahir Yaman and Roger G. Dolorosa [Abstract:] Ghost nets are major contributor to ocean pollution with extensive social, economic and environmental impacts. Ghost nets trap marine life, build up sediment, and smother and damage sensitive bottom habitats such as coral reefs and seagrass beds. Data on ghost nets… Continue Reading
- Experiences and aspirations of seaweed farmers in Palawan, Philippines - [Authors:] Riza G. San Juan, John Roderick V. Madarcos, Lota A. Creencia, and Floredel D. Galon [Abstract:] Many coastal dwellers engage in seaweed farming despite of various challenges because of its simple farming technology, low capital investment, and short cultivation period. This paper explored the attitudes of seaweed farmers (n = 187) from nine coastal… Continue Reading
- Genotyping of red tilapia strains in Central Luzon Philippines targeting ESR1 gene - [Authors:] Arren Christian M. de Guia, Khristina Judan Cruz, Karl Danielle D. Almuete and Mary Rose D. Uy [Abstract:] Tilapia is an economically important commodity worldwide. Marker-assisted selection (MAS) has been practiced in livestock culture to ensure the selection of a specific trait that will benefit the culture system. This study assessed the allelic variation… Continue Reading
- Neurigona susanrocesae, the first Neurigona species from the Philippines - [Authors:] Custer C. Deocaris, Malona V. Alinsug, Gladys R. Cabelin, and Reizl P. Jose [Abstract:] The first species of the genus Neurigona is described from the Philippines. The diagnosis, description and molecular data based on the partial DNA sequence of mitochondrial cytochrome oxidase subunit I gene were documented. The Neurigona species exhibits distinct characteristics, including… Continue Reading
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