John Lloyd P. Alarcon

Spatial Assessment of Physicochemical and Microbiological Water Quality in Laligan River, Valencia City, Bukidnon, Philippines

Louize Gabriel C. Reyes, Lance Noah L. Salingay, Jan Goodspeed S. Tuquib, King Ervin G. Nonan & John Lloyd P. Alarcon · Asian Journal of Physical and Chemical Sciences · 2026

Rivers are one of the most vital freshwater resources on Earth, but human activities often cause degradation, emphasizing the need for water quality monitoring. To capture maximum environmental variability, water samples were collected from three strategically mapped sites along...

Open access Research Article 10.9734/ajopacs/2026/v14i1276

Gradient-based Variation of Phytoplankton Diversity and Physicochemical Characteristics in Lumbayao Dam, Bukidnon, Philippines

Prince Arryss Vianny C. Oclarit, Neo Lian G. Gamiao, Apple Mae S. Hangad, Arthur III P. Valendez, Mil Roddick K. Mulleon, Steven Shane B. Madelo & John Lloyd P. Alarcon · Asian Journal of Geographical Research · 2026

Tropical reservoir ecosystems exhibit distinct longitudinal gradients that influence biological communities, yet a significant data gap exists regarding phytoplankton zonation in Mindanao’s inland waters. This study evaluated the ecological status of Lumbayao Dam by analyzing lon...

Open access Research Article 10.9734/ajgr/2026/v9i1355