Date of Completion

2025

Document Type

Thesis

Degree Name

Bachelor of Science in Life and Health Sciences

Keywords

Pseudomonas, bioremediation, water quality

Abstract

This study assessed the current water quality of the Verde Island Passage in Lobo, Batangas, following the MT Princess Empress oil spill in Mindoro. Water samples were collected from four zones (North, South, East, and West). Seven water quality parameters were measured—temperature, water color, turbidity, pH, dissolved oxygen, nitrate, total dissolved solids—and were compared to national standards set by the Department of Environment and Natural Resources and the Department of Health (DENR, 1990, 2016; DOH, 2017-0012, 2017-0010). Results showed that all values met the criteria for safe recreational, industrial, and aquatic use. The presence of Pseudomonas aeruginosa and Pseudomonas alcaligenes, bacteria commonly found in polluted waters, suggests that pollutants are present and natural bioremediation may be taking place. These species are known for their ability to degrade oil-based and organic pollutants, contributing to the self-purification and recovery of marine ecosystems affected by possible pollution and contaminants present. The integrative study of this paper is submitted to the local government and municipality of Batangas City, for the implementation of policy updating referring to the found physico-chemical properties and the and the profiles of the identified Pseudomonas species.

First Advisor

Iluminada A. Ronio

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