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Examining the applicability of UAV-based photogrammetry to assess sediment yield from small fire-affected forests

XV World Forestry Congress, 2-6 May 2022










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    Article
    Reducing risks from forest fire and disasters through a community-based forest fire brigade (MPA), a case study in Danau Sentarum National Park
    XV World Forestry Congress, 2-6 May 2022
    2022
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    The TNBKDS is an exotic ecosystem and has designated as one of the world biospheres reserves. The Park is also inhabited by around 6,000 people. Ecotourism, biodiversity, and cultural value attracts many domestic and international tourists. However, the park has high-risk from forest fire and flooding. During 2014-2019, forest fire in the park is recorded at the average of 206.6 Ha. The lake has also experienced in regular flooding. Reducing these risks should involve community by strengthening their capacity to protect their home. Consultations and SWOT analysis was used to map community capacity and to rank the threat. Opportunities on livelihood improvement is also identified to develop approach and strategy in reducing risks and improving their income. A GIS tool was used to monitor forest fire. A total of 10 MPA were established in 10 villages, involving 300 peoples (300 households). From series of consultations, 100% agreed that community need to involve in combating forest fire and reducing the damage from flooding. FIP-1 provides forest fire equipment, as well as series of training on forest fire, forest monitoring using GPS, alternative income activities such as bee keeping, fish processing, and women empowerment. Establishment of MPA and implementation of forest patrol for the period of 2018-Jun 2021 has directly protected a forest area from forest fire of 11,265 ha and non-forest area of 82,481 ha. Community participation is the key success of reducing risks from forest fire. Training program is also essential to support community capacity in reducing hotspots and to provide alternative income for their sustainable live within the national park. Keywords: forest fire, community, West Kalimantan, climate change ID: 3488239
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    Document
    Analyzing the occurrence trend of sediment-related disasters and post-disaster recovery cases in mountain regions in North Korea based on a literature review and satellite image observations
    XV World Forestry Congress, 2-6 May 2022
    2022
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    This study investigated spatiotemporal trends of sediment-related disasters in North Korea from 1960 to 2019 and post-disaster recovery cases based on a literature review and satellite images. Results showed that occurrence status of sediment-related disasters was initially externally reported in 1995 (during the Kim Jongil era); their main triggering factor was heavy summer rainfall. Furthermore, forest degradation rate was positively correlated with population density (R2 = 0.4347, p = 0.02) and occurrence number of sediment-related disasters was relatively high on the west coast region, where both variables showed high values. This indicates that human activity was a major cause of forest degradation and thus, significantly affected sediment-related disasters in mountain regions. Finally, sediment- related disasters due to shallow landslides, debris flow, and slow-moving landslides were observed in undisturbed forest regions and human-impacted forest regions, including terraced fields, opencast mines, forest roads, and post-wildfire areas, via satellite image analysis. These disaster-hit areas remained mostly abandoned without any recovery works, whereas hillside erosion control work (e.g., treeplanting with terracing) or torrent erosion control work (e.g., check dam, debris flow guide bank) were implemented in certain areas. These findings can provide reference information to expand inter-Korean exchange and cooperation in forest rehabilitation and erosion control works of North Korea. Keywords: Climate change, Deforestation and forest degradation, Sustainable forest management, Monitoring and data collection, Research ID: 3616353
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    Variability in the early growth of Parkia timoriana (DC.) Merr. from Mount Makiling Forest Reserve, Luzon, Philippines and its applications in conservation and forest restoration
    XV World Forestry Congress, 2-6 May 2022
    2022
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    This study evaluated the early growth performance of selected mother trees of Parkia timoriana (Fabaceae) and characterized the suitable environmental (soil and light) factors for the growth of the species. P. timoriana seedlings from different mother trees from the Mount Makiling Forest Reserve (MMFR), Luzon, Philippines were grown in two soil media under greenhouse condition and field trial planted in the University of the Philippines Laguna-Quezon Land Grant (LQLG), where P. timoriana is not occurring naturally and soil and climate differ significantly with the MMFR. Early growth performances in height and ground basal diameter (GBD) or root collar diameter (RCD) both in the greenhouse and field trial plot were measured. Nursery-based performance showed that the average RCD was generally higher in MMFR than LQLG soil but the overall difference was not statistically significant. In contrast, overall average height was consistently higher in LQLG than in MMFR soil, but similar to RCD the difference was not statistically significant. Under different light conditions in the field trial, there was significant difference in mortality, tree height, and GBD. The differences in both the height and GBD may be attributed to the genotype of the mother trees, but height can additionally be attributed to the interaction of the genotype and the different light conditions. Results suggest that P. timoriana can be grown in areas of different soil condition, but it requires partial shade in order to achieve its full growth potential during the early stage of its growth. Hence, P. timoriana when used in reforestation or tree planting projects must consider differences in the early growth response of seedlings according to its genotype as well as light conditions. However, it is highly suggested that growth performances among provenances of P. timoriana and other environmental variables that may affect growth of the species should be looked into. Keywords: Biodiversity conservation, Genetic resources, Sustainable forest management, Deforestation and forest degradation, Monitoring and data collection ID: 3486623

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