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All Journal Jurnal Sylva Lestari
Goyo, Shiella Lynn Dali-on
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Environmental Science Materials Science & Nanotechnology

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Assessing Water Absorption and Root-Shoot Dynamics of Native Philippine Tree Species for Flood Mitigation and Environmental Management Goyo, Shiella Lynn Dali-on; Corbita, Victor Lobrigas; Acog, Glendel Cotejo; Balaba, Diana Rose; Estrada, Jessa Joy Tomoc; Mercado, Joel Andig
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1088

Abstract

Over the years, excessive stormwater run-off has been a primary environmental concern in almost every part of the world. This study aimed to assess the water absorption capacity and root-shoot ratio of the three native species, namely Vitex parviflora, Pterocarpus indicus, and Diospyrus discolor, in the Philippines. The study used an experimental design with a total number of 63 experimental seedlings. After over a month of transplanting, the researchers collected the data by uprooting 1 sample per box and recording its weight. The uprooted samples were then submerged into a container with enough water, and the plant waited until it absorbed enough water before being weighed again. Root and shoot ratio were also computed using its dry weight. The results showed a significant difference in terms of absorption rate between the three native species. V. parviflora garnered the highest water absorption rate, followed by P. indicus and D. discolor. Root-shoot ratio was highest in D. discolor while lowest in V. parviflora. No significant correlation was found between root and shoot biomass regarding water absorption capacity. These findings highlight the importance of selecting specific tree species for environmental management and flood mitigation efforts in the Philippines. Keywords: biomass, native species, stormwater run-off, water absorption
Growth Performance of Vitex parviflora Juss. and Swietenia macrophylla King in an Abandoned Mining Area at Barangay Maibu, Butuan City, Philippines Goyo, Shiella Lynn Dali-on; Balgoa, Lovely Carumba; Mantilla, Mirasol Cataluña; Quilicot, Rosemarie Cabal
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1148

Abstract

This study evaluated the growth performance of V. parviflora and S. macrophylla planted in an abandoned small-scale mining site in Barangay Maibu, Butuan City, Philippines. This study employed a randomized complete block design (RCBD), with growth parameters including height increment, stem diameter increment, and the number of leaves of the seedlings measured over a five-month period. Soil analysis revealed acidic conditions (pH 5.11), low organic matter levels, and nitrogen and phosphorus. Results showed that S. macrophylla exhibited greater height growth (3.96 cm) and stem diameter increase (0.78 cm) compared to V. parviflora (0.72 cm and 0.072 cm, respectively). The number of leaves also increased more in S. macrophylla (10) than in V. parviflora (5). Among the parameters measured, only the height growth showed a statistically significant difference between the two species. In contrast, the differences in stem diameter and number of leaves were not statistically significant. S. macrophylla demonstrated better adaptability and potential for rehabilitating degraded mining sites compared to the other species. However, it is recommended that future studies lengthen the duration to evaluate seasonal fluctuations, long-term growth performance, and possible soil amendment techniques to improve site rehabilitation and forest restoration outcomes. Keywords: abandoned mining site, growth performance, reforestation, Swietenia macrophylla, Vitex parviflora
Co-Authors Acog, Glendel Cotejo Balaba, Diana Rose Balgoa, Lovely Carumba Corbita, Victor Lobrigas Estrada, Jessa Joy Tomoc Mantilla, Mirasol Cataluña Mercado, Joel Andig Quilicot, Rosemarie Cabal