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Resilience Assessment of Lowland Plantations Using an Ecosystem Modeling Approach

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  • Chia-Hsin Wu

    (Senior Vocational High School, National Taitung Junior College, 95045 Taitung, Taiwan
    Department of Natural Resources and Environmental Studies, National Dong Hwa University, 97401 Hualien, Taiwan)

  • Yueh-Hsin Lo

    (Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Campus de Arrosadía, Pamplona, Navarra 31006, Spain)

  • Juan A. Blanco

    (Departamento Ciencias del Medio Natural, Universidad Pública de Navarra, Campus de Arrosadía, Pamplona, Navarra 31006, Spain)

  • Shih-Chieh Chang

    (Department of Natural Resources and Environmental Studies, National Dong Hwa University, 97401 Hualien, Taiwan)

Abstract

As afforestation programs of former farmlands take hold in Taiwan to achieve a variety of ecological and socio-economic values, it is becoming necessary to define best forest management. Hence, we simulated mixed stands of Cinnamomum camphora and Fraxinus griffithii planted through a gradient of soil fertility and varying camphor/ash density ratios, but maintaining a fixed total stand density of 1500 trees ha −1 . Total stand productivity was slightly lower in mixed stands than the combination of both monocultures in rich and poor sites. Maximum negative yield surpluses for 50-year old stands were 7 Mg ha −1 and 6 Mg ha −1 for rich and poor sites with a 1:1 camphor laurel/ash ratios. Maximum stand woody biomass in rich sites was reached in camphor laurel monocultures (120 Mg ha −1 ) and in poor sites for Himalayan ash monocultures (58 Mg ha −1 ). However, for medium-quality sites, a small yield surplus (11 Mg ha −1 ) was estimated coinciding with a maximum stand woody biomass of 95 Mg ha −1 for a 1:1 camphor laurel/ash density ratio. From an ecological resilience point of view, rotation length was more important than stand composition. Long rotations (100 years) could improve soil conditions in poor sites. In rich sites, short rotations (50 years) should be avoided to reduce risks or fertility loss.

Suggested Citation

  • Chia-Hsin Wu & Yueh-Hsin Lo & Juan A. Blanco & Shih-Chieh Chang, 2015. "Resilience Assessment of Lowland Plantations Using an Ecosystem Modeling Approach," Sustainability, MDPI, vol. 7(4), pages 1-22, March.
    • Handle: RePEc:gam:jsusta:v:7:y:2015:i:4:p:3801-3822:d:47535
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    References listed on IDEAS

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    1. Margaret Alston, 2004. "Who is down on the farm? Social aspects of Australian agriculture in the 21st century," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 21(1), pages 37-46, March.
    2. Yueh-Hsin Lo & Juan A. Blanco & J.P. (Hamish) Peter Kimmins & Brad Seely & Clive Welham, 2011. "Linking Climate Change and Forest Ecophysiology to Project Future Trends in Tree Growth: A Review of Forest Models," Chapters, in: Juan A. Blanco & Houshang Kheradmand (ed.), Climate Change - Research and Technology for Adaptation and Mitigation, IntechOpen.
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    1. Cheng Zong & Kun Cheng & Chun-Hung Lee & Nai-Lun Hsu, 2017. "Capturing Tourists’ Preferences for the Management of Community-Based Ecotourism in a Forest Park," Sustainability, MDPI, vol. 9(9), pages 1-16, September.
    2. Yeste, Antonio & Seely, Brad & Imbert, J. Bosco & Blanco, Juan A., 2024. "Sensitivity of long-term productivity estimations in mixed forests to uncertain parameters related to fine roots," Ecological Modelling, Elsevier, vol. 490(C).
    3. Chun-Lin Lee & Chiung-Hsin Wang & Chun-Hung Lee & Supasit Sriarkarin, 2019. "Evaluating the Public’s Preferences toward Sustainable Planning under Climate and Land Use Change in Forest Parks," Sustainability, MDPI, vol. 11(11), pages 1-18, June.
    4. Chun-Hung Lee & Chiung-Hsin Wang, 2017. "Estimating Residents’ Preferences of the Land Use Program Surrounding Forest Park, Taiwan," Sustainability, MDPI, vol. 9(4), pages 1-19, April.

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