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Reforestation of Degraded Landscapes in Micronesia

Author

Listed:
  • James B. Friday

    (Cooperative Extension Service, University of Hawai‘i, Hilo, HI 96720, USA)

  • Diane L. Haase

    (U.S. Department of Agriculture, Forest Service, Reforestation, Nurseries, and Genetic Resources, Portland, OR 97204, USA)

  • Ruddy Estoy

    (Guam Division of Forestry and Soil Resources, Mangilao, GU 96913, USA)

  • James Manglona

    (Rota Department of Lands and Natural Resources, Rota, MP 96951, USA)

  • Ryan Talken

    (Yap Department of Agriculture and Forestry, Yap, FM 96943, Federated States of Micronesia)

Abstract

Wildfires on degraded grasslands cause extensive soil erosion and cause environmental and economic damage worldwide. We conducted fertilizer, lime, and mulch trials to improve growth of trees planted in acid soils in degraded grasslands on the Micronesian islands of Guam, Rota, and Yap. Fertilizer application had no effect on height growth of Acacia auriculiformis seedlings on a Mollisol on Guam while lime application had a small but significant positive effect on height growth. Fertilizer application had a significant positive effect on height growth of Acacia confusa seedlings planted on an Oxisol on Rota but lime had no effect. Mulch application increased height growth of Swietenia macrophylla seedlings planted on an Oxisol on Yap but lime application had no effect. Collaboration between university researchers and local forestry agencies can improve reforestation success, but researchers need to consider local capabilities and local knowledge.

Suggested Citation

  • James B. Friday & Diane L. Haase & Ruddy Estoy & James Manglona & Ryan Talken, 2021. "Reforestation of Degraded Landscapes in Micronesia," Land, MDPI, vol. 10(9), pages 1-16, September.
    • Handle: RePEc:gam:jlands:v:10:y:2021:i:9:p:926-:d:628387
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    References listed on IDEAS

    as
    1. Turvey, Nigel D., 1994. "Afforestation and Rehabilitation of Imperata Grasslands in Southeast Asia: Identification of Priorities for Research, Education, Training and Extension," Technical Reports 113828, Australian Centre for International Agricultural Research.
    2. Ancog, Rico C. & Florece, Leonardo M. & Nicopior, Ozzy Boy, 2016. "Fire occurrence and fire mitigation strategies in a grassland reforestation area in the Philippines," Forest Policy and Economics, Elsevier, vol. 64(C), pages 35-45.
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