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DocumentThe effects of visit characteristics in urban forest on the individual life satisfaction
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.Recently, the importance and effectiveness of the urban forest have been increasing with the quality of life of urban residents. Therefore, the study aims to understand how people use the forest for recreation and determine how the visit characteristics of the urban forest affect Individual Life Satisfaction (ILS). A nationwide survey (n=8,254) was conducted on the visit frequency, proximity to the forest and life satisfaction. To measure ILS, three questions (personal, relative, collective) of COMOSWB (Concise Measure of Subjective Well-being) developed by Seo et al (2011) are used. The analysis shows that people usually visit the forest within 10~30 minutes distance (31.8%) on a weekly basis (24.2%), by walk (41.4%) for exercise (41.0%) and relaxation (32.9%). As a result of the hierarchical analysis between visit characteristics and ILS with controlling demographic variables; the ‘frequency of forest visits (t=4.50**)’ and ‘proximity to the forest (t=2.764**)’ has a positive effect on ILS. In particular, ‘frequency of forest visits(β=0.056)’ has higher level of influence than that of ‘proximity to the forest (β=0.034)’ on ILS. In other words, frequent visits to forests far away from the place of residence can improve individual life satisfaction." The significance of this study is that it statistically determines that the frequency of forest visits and the proximity to the forest are important factors for ILS. Future studies should take into account the various qualitative factors of forest visitation such as vegetation, quantity and types of forest so that it will be possible to contribute to setting up a direction for urban forest development and management. Keywords: Human health and well-being ID: 3484619 -
DocumentNewly proposed harvest method, branch-cut harvest for Aralia elata extends cold storage life and maintains the quality of edible shoots
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.Aralia elata which is called “Dureup” in Korea, is one of the indigenous species in Korea having 1-6 m height, 8-10 cm root collar diameter with brown-gray bark and canary yellow fresh branches and sparse fine thorns. The edible young shoot of A. elata is well-known for its high nutrients and medicinal effects which is helpful to human health. In despite of the nutritional advantages, it is hard to store more than one week in cold storage due to its vigorous metabolic activities after harvest. The objective of this study was to examine the effects of branch-cut harvest method on shoot quality characteristics and storability compared with the shoot harvested with conventional method. The harvest method was divided into two conditions; 1) shoot was nipped off with hands, named shoot harvest (SH) and 2) 5 cm of branch cut with the shoot using pruning scissor, named shoot with branch-cut harvest (SBH).
The bunches of shoots from each harvesting method were collected into plastic boxes and then stored at 3±1 °C for 7 weeks.
After 4 weeks of storage, weight loss of SH (17.1%) was about two-fold higher than SBH (9.1%). Additionally, water content of SH decreased 81.9% to 75.9%, while SBH showed 81.9% at harvest and 80.5% after 4 weeks. Lightness of shoot leaves in SH was lower than SBH during whole storage period. Wilt, decay and off-odor index (0-5) showed 1.2, 5.0 and 0.7 in SH while 3.8, 3.8 and 3.7 in SBH after 4 weeks, respectively. Overall quality index (0-15) was rapidly decreasing 15.0 to 7.3 in SH while SBH slightly reduced 15.0 to 12.2 after 4 weeks. These results indicate that the quality of A. elata shoot mainly affected by wilt and off-odor index after harvesting.
In conclusion, it is able to maintain product quality for 4 weeks after harvest to use the SBH method, which is a remarkable extension storage life of A. elata. Keywords: Food systems, Human health and well-being, Innovation, Research, Value chain ID: 3622939 -
ArticleModeling CO2 restoration potential of mangrove ecosystems in Pakistan to support urban green spaces and human well-being
XV World Forestry Congress, 2-6 May 2022
2022Also available in:
No results found.Abstract: Pakistan is facing major climate change challenges since in recent years, the annual mean temperature has increased by 0.5°C in the country. Karachi is the largest city and highly vulnerable to fatal heatwave events trolling maximum deaths and illness in recent years. Coast of Mangrove Forest (MF) plays an important role in daily temperature, local environment, and microclimatic conditions. It is a well-established scientific reality that carbon traps heat in the air, and now observing a dramatic rise in temperature. The study aimed to evaluate the vulnerability of the communities to heat-stress, and categorize the role of Mangrove Ecosystem Services to mitigate future disasters. Coupled models and GIS/RS tools were used to estimate the suitability of MF land-cover to categorize the latent status. Heatwaves during summer for three days were calibrated by the models which resulted that an inundation of CO2 stress factors, 250 (S-u=1.0) with a rise in temperature up to 44°C with 70% humidity causes more deaths under heat-periods. Our results linked heatwaves with climate warming and extreme weather events, aggravated by rapid urbanization, industrialization, deforestation, emission of CO2, degradation of MF, and land-use change. Moreover, findings revealed that there is a significant drop-off in urban greenspaces and growth in built-up areas during 1984-2016. In addition, the SILVA-model projected that MF around the city has the ability to absorb CO2 emission up to 55.4 million tons. SILVA-growth projected that 43.61% CO2 stock can be deposited by MF which contributes 19% of the ecosystem. Model showcase that rehabilitation of 30-mangrove trees per/100m2 possibly reduce the extreme tide of heat stress, tsunami, CO2, and improve the air-quality index of the city. This study provides initial assessment and policy directions to rehabilitate MF to promote sustainable cities and societies. Key Words: CO2, urban green spaces, disaster risk reduction, extreme weather events ID: 3471412
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