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Traditional forest conservation knowledge/technologies in the Cordillera, Northern Philippines
Camacho, Leni D.,Combalicer, Marilyn S.,Yeo-Chang, Youn,Combalicer, Edwin A.,Carandang, Antonio P.,Camacho, Sofronio C.,de Luna, Catherine C.,Rebugio, Lucrecio L. Elsevier 2012 FOREST POLICY AND ECONOMICS Vol.22 No.-
( Leni D Camacho ),( Antonio P Carandang ),( Marilyn S Combalicer ),( Sofronio C Camacho ),( Dixon T Gevana ),( Yeo Chang Youn ) 한국산림경제학회 2011 산림경제연구 Vol.18 No.1
Opportunity costs incurred in devoting the areas of MFR to agroforestry, grassland and timber production and combinations of them as well as the willingness to accept incentives of farmers to promote conservation were evaluated using the Net Present Value approach and contingent valuation. The main goal of the study is to determine the economic implications of different management options in the Makiling Forest Reserve (MFR) in the Philippines. Economic linkages between the local people and the conservation program in the area were also assessed. In this study, it was found that the analysis of the different options for MFR indicates that the conservation of remaining natural forests in tandem with agroforestry in all open areas yielded the highest strewn of benefits. Therefore, appropriate strategies that would further integrate local economic concerns in agroforestry and natural forest conservation arc necessary. It is recommended that the local people and the government seek optimal management opportunities in the conservation of MFR by partnering in the further development, restoration, and protection of the reserve.
Tree biomass and carbon stock of a community-managed mangrove forest in Bohol, Philippines
Leni D. Camacho,Dixon T. Gevana,Antonio P. Carandang,Sofronio C. Camacho,Edwin A. Combalicer,Lucrecio L. Rebugio,윤여창 한국산림과학회 2011 Forest Science And Technology Vol.7 No.4
Mangrove plays a significant role in climate change mitigation particularly in carbon absorption and minimizing the detrimental impacts of sea level rise, salt-water intrusion and tidal surges. In Bohol Province, Philippines, a small coastal island community known as Banacon is one of the successful cases in mangrove reforestation. Recognizing the site’s potential for a carbon sequestration project, a biomass and carbon stock assessment of mangrove trees was done. Using standard sampling techniques and allometric equations, tree carbon storage was measured across stand ages, namely 15-, 20- and 40-year-old plantations. Mature natural stands were also included in the assessment. By estimate, the 40-year-old plantation has the largest carbon density with 370.7 ton ha71, followed by the 15-year-old plantation with 208.5 ton ha71, 20-year-old plantation with 149.5 ton ha71, and lastly by natural stand with 145.6 ton ha71. Overall, Banacon mangroves are in a vigorous condition of storing vast amount of carbon. Local community and government should therefore sustain their commitment in coastal reforestation activities in order to enhance the mangrove carbon stocks. Policies and programs that can help provide incentives and livelihoods to local people who are largely dependent on mangroves should likewise be explored in order to sustainably reap the economic and ecological benefits of conserving mangrove forest.
Dixon Gevana,Leni Camacho,Antonio Carandang,Sofronio Camacho,임상준 한국산림과학회 2015 Forest Science And Technology Vol.11 No.4
Geospatial information of small mangrove islands in the Philippines is usually lacking. Such information is vital to monitor mangrove cover change and craft plans for their sustainable management. This study was conducted to provide some land use information about Banacon Island in Bohol province. The island is renowned for its vast mangrove plantations, community-initiated reforestation, and double reef system. To determine the different forest land uses therein, the study employed a maximum likelihood classification method using two Landsat images of different periods. Results revealed three distinct forest land uses, namely: dense mature stand; dense intermediate stand; and sparse mangrove area. Land use change detection analysis was also conducted. Findings suggest that mangrove cover has generally improved from 1993 to 2004, as seen in the expansion of dense plantations over sparsely vegetated areas. Such change is attributable to continuous reforestation activities by the local community. Minor deforestation was also recorded due to various natural and anthropogenic causes. Comparing the area of deforestation with the increase in plantations, the results suggest that reforestation has compensated or exceeded the rate of cover loss. In order to further improve the geospatial results, the study recommends the use of high resolution images covering other years for better analysis of land use change.