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Identification of the Key Actors in the Conservation of Amorphophallus gigas in North Sumatra using MACTOR's Method


Citation

Rambey, Ridahati and Rahmawaty, R. and Rauf, Abdul and Nababan, Esther Sorta Mauli and Ismail, Mohd Hasmadi and Suratman, Mohd Nazip (2026) Identification of the Key Actors in the Conservation of Amorphophallus gigas in North Sumatra using MACTOR's Method. Jurnal Sylva Lestari, 14 (2). pp. 249-266. ISSN 2339-0913; eISSN: 2549-5747

Abstract

Indonesia’s tropical forests support high plant diversity, but rising commodity demand can intensify extraction and increase the risk of extinction. In North Sumatra, Amorphophallus gigas grows in community agroforestry understorey, yet higher tuber demand since early 2019 has expanded harvesting and trade from local collectors to export markets. These pressures pose threats to the species and urgently require the identification of key actors essential to coordinating governance over harvesting and habitat management. This study conducted a prospective, qualitative-quantitative analysis through in-depth interviews with farmers, village authorities, collectors, government agencies, academics, NGOs, industry, and exporters. The Matrix of Alliances and Conflicts: Tactics, Objectives, and Recommendations (MACTOR) method was applied to assess actor influence and dependence and to map convergence and divergence across three objectives: conservation, agroforestry habitat protection, and cultivation for income. The Biological Natural Resources Conservation Center (BNRCC) emerged as the most influential and least dependent actor, whereas farmers were highly dependent despite managing most of the habitat on private land. Protection was the most mobilizing objective but showed significant disagreement, indicating unresolved trade-offs between protection and cultivation of A. gigas. The findings also supported other measures of good governance, including providing incentives and capacity for farmers, defining rules for harvesting, and creating positive synergies between ex situ conservation and viable agricultural practices.


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Additional Metadata

Item Type: Article
Subject: Forestry
Subject: Geography, Planning and Development
Subject: Ecology
Divisions: Faculty of Forestry and Environment
DOI Number: https://doi.org/10.23960/jsl.v14i2.1255
Publisher: University of Lampung Faculty of Agriculture
Keywords: Actor; Amorphophallus gigas; Conservation; Mactor; Sustainability
Sustainable Development Goals (SDGs): SDG 15: Life on Land, SDG 17: Partnerships for the Goals, SDG 10: Reduced Inequalities
Depositing User: Ms. Siti Radziah Mohamed@mahmod
Date Deposited: 23 Jun 2026 06:18
Last Modified: 23 Jun 2026 06:18
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.23960/jsl.v14i2.1255
URI: http://psasir.upm.edu.my/id/eprint/126368
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