22/04/2026
An important study from the University of the Philippines Baguio. This may help us in reviewing our local policies, especially those with environmental impacts.
RESEARCH | The Abra River Basin and its associated watershed is one of the 18 major river systems in the country, flowing through several provinces and communities in Northern Luzon. Like many freshwater ecosystems in the world, the Abra River Basin and watershed faces various environmental threats such as land degradation and conversion, and climate change. This study focused on determining its ecological quality using available satellite images. I created a quantitative metric called the Remote Sensing Ecological Index to show how healthy or disturbed parts of the river basin and watershed are.
The findings highlighted that although portions of the Abra River watershed still exhibit good ecological quality, especially in areas of higher elevation, areas near human settlements show signs of declining ecological health and quality. This means that while the ecosystem is still healthy in many parts, human activity is influencing the health of the environment in a negative way.
This scholarly work is timely and apt because it uses modern tools to assess environmental changes without requiring environmental practitioners and scientists to be on the ground and conduct field-based assessments. It is a quick and cost-effective method that can be used by policy-makers, scientists, and stakeholders to preliminarily identify which areas within an ecosystem need conservation and protection measures and mechanisms.
Author: Deign Frolley C. Soriano (Department of Biology, University of the Philippines Baguio | Department of Geography and Environmental Science, University of Reading)
Read more: https://ovpaa.up.edu.ph/research/areas-of-the-abra-river-watershed-particularly-near-human-settlements-show-signs-of-declining-ecological-health/