Soil and Water Quality as Determinants for Mangrove Survival in Bimmanga, Tagudin, Ilocos Sur

Authors

  • Jomar O. Lagrana Department of Education, Philippines

DOI:

https://doi.org/10.54536/ijfe.v2i1.5973

Keywords:

Mangrove Suitability, Policy Brief, Soil Quality, Species Survival, Water Quality

Abstract

Mangrove ecosystems are essential in terms of protecting the coast, biodiversity and mitigating climate change. Most of the restoration projects however do not succeed because of lack of knowledge on the local environmental conditions. The paper evaluated the quality of soil and water of the Bimmanga estuary at Tagudin, Ilocos Sur, to determine its ability to sustain the survival of mangroves and reforestation plans in the future. Through descriptive-exploratory design, samples were taken in three stations and studied to determine main physical and chemical parameters, such as soil moisture, texture, tidal effect, pH, salinity, temperature, dissolved oxygen, nitrate, phosphate, and nutrient level. The ecological tolerances of four mangrove species namely Avicennia marina, Bruguiera gymnorrhiza, Sonneratia alba, and Rhizophora mucronata were compared with the results in order to identify species suitability. Results revealed spatial differences in environmental conditions and that environmental conditions were suboptimal in some regions and might have caused poor mangrove establishment. Among the species evaluated, Avicennia marina, Brugueria gymnorrhiza and Sonneratia alba, which are reported to have wider ecological adaptation, were found to be more appropriate species in the site. Findings were used to develop science based policy brief, which was confirmed by the local government stakeholders to inform the restoration planning process. The research has a contribution to the Sustainable Development Goals 13 (Climate Action), 14 (Life Below Water) and 15 (Life on Land) since it highlights that evidence-based mangrove management is required. In totality, the study demonstrates the extreme importance of baseline ecological studies in the success of mangrove restoration initiatives and provides a model of a replaceable type in other coastal ecosystems in the Philippines.

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2026-01-21

How to Cite

Lagrana, J. O. . (2026). Soil and Water Quality as Determinants for Mangrove Survival in Bimmanga, Tagudin, Ilocos Sur. International Journal of Forestry and Ecosystem, 2(1), 8-26. https://doi.org/10.54536/ijfe.v2i1.5973