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Research Papers

Documents

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Socio-Economic Baseline for the REDD+ Project Sites in Southern Leyte Socio-Economic Baseline for the REDD+ Project Sites in Southern Leyte

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Date added: 06/11/2013
Date modified: 06/11/2013
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The study, which included 797 randomly chosen household respondents in the five pilot REDD+ sites in Southern Leyte, was conducted to establish a socio-economic baseline to describe the pre-project socio-economic conditions at the REDD+ pilot project sites and non-REDD+ sites or control sites. The survey was conducted from May 11, 2011 to June 29, 2011 in 71 REDD+ pilot barangays and 21 non-REDD+ barangays in Bontoc, Sogod, Tomas Oppus, Silago and Maasin City, Southern Leyte.

Development of Selection Index for Reforestation Species Resistant to Typhoon Development of Selection Index for Reforestation Species Resistant to Typhoon

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Date added: 11/23/2012
Date modified: 11/23/2012
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There is no screening method being used for the choice of reforestation species in typhoon prone areas in the Philippines. Four frequently used reforestation species were evaluated for typhoon resistance under field conditions in Bacacay, Albay, Philippines from January 2000 to December 2001. Agoho (Casuarina equisetifolia), mahogany (Swietenia macrophyla), river red gum (Acacia auriculiformis), and yemane (Gmelina arborea) were evaluated in terms of five different damage categories as treatments, namely: (1) defoliation, (2) breaking of branches, (3) breaking of stem (4) leaning, and (5) uprooting. Plots were laid out on top of mountain ridges where heaviest impact of typhoon is expected, in Completely Randomized Design with four replications under 10 - year old plantations at spacing of 2 x 2 m with 25 trees per treatment. Correlation analysis was used to compare linear associations of the damage categories, total height, basal diameter and species. Means were compared using Tukey’s honest significant difference (HSD) test.

Results indicate significant differences among treatments. Agoho was found resistant in all damage categories assessed. It could be recommended in reforesting exposed, high elevation, typhoon prone areas due to its needle-like foliage, spherical canopy structure, high wood tensile strength and a deep root system. Mahogany was found moderately resistant to typhoon, while yemane and river red gum were non resistant. Using the different damage categories assessed in the study, an index of species resistance to typhoon was developed.

Assessing Vulnerability of Watersheds to Geo-Ecological Hazards Assessing Vulnerability of Watersheds to Geo-Ecological Hazards

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Date added: 11/23/2012
Date modified: 11/23/2012
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Region 8’s polices and strategies on Climate Change is significantly not different from our national policies. With the diversity and relative abundance of region’s natural resources wealth from “ridge-to-reef”, the emphasis given in combating the effects of Climate Change is on adaptation. Region 8’s forests and other plant ecosystems are extensive carbon sinks but mercifully the region has shown vulnerability to disasters like floods and landslides. The Ormoc flash flood in 1991, the 2007 Guinsaungon landslides to name a few, are examples of realities of the effects of the global charges on climate.