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Journal : Jurnal Matematika UNAND

K-Means Cluster with Calinski Harabasz Index Evaluation to Map Forest Degradation and Deforestation Areas Rahimah, Ummi; Martha, Shantika; Imro'ah, Nurfitri
Jurnal Matematika UNAND Vol. 15 No. 2 (2026)
Publisher : Departemen Matematika dan Sains Data FMIPA Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jmua.15.2.237-248.2026

Abstract

Although Indonesia is home to a rich biodiversity, the country is threatenedby forest degradation and deforestation, particularly in West Kalimantan. As asignificant contributor to the agricultural sector’s gross domestic product (PDRB), the Sanggau Regency is vital for preserving the environment and promoting sustainable development. This research uses the K-Means Cluster to categorize regions in Sanggau that can potentially experience forest degradation. Then, the Calinski Harabasz Index will be used to determine which clusters are the most effective. Two thousand twentythree, the research findings revealed five ideal clusters, each with a Calinski Harabasz Index value of 3.87. The first cluster consists of one sub-district, the second cluster consists of three sub-districts, the third cluster consists of two sub-districts, the fourth cluster consists of five sub-districts, and the fifth cluster consists of four sub-districts, which are all included in the distribution of clusters. A map illustrating the degree of urgency associated with forest degradation is produced as a result of this study. The map serves as a strategic reference for the government of Sanggau in its efforts to reduce theforest’s degradation and develop areas per the peculiarities of each sub-districts.
Co-Authors , Syahru Rahmayuda, Haris Febriyanto Ramadhan , Sampe Hotlan Sitorus Adinda, Dian Tri Agustono, Hendri Al Azizi, Fudhail Azzam Thoriqi Amarrullah, Rido Andani, Wirda Anggria, Vini Anjelika, Seselia Apriliyanti, Rita Aprizkiyandari, Siti Arsanti, Resti Asmara, Mira AYU ASTUTI, AYU Ayuni, Anisa Putri Bartolomius, Bartolomius Cahyani, Cristy Framedia Calissta, Leanna Belva Clarenda Siboro, Viren Marcellya Cornellia, Amanda Dadan Kusnandar Deanovela, Adelea Delvi Debataraja, Naomi Nessyana Dwi Marisa Midyanti Dyaherawati, Oktavia Ersawahyuni, Aisna Evy Sulistianingsih Fadhila, Aisya Raihan Fallah, Khalishah Ghina Fiqriah, Isnaini Firnanda, Firnanda Gunawan, Risky Hamdari, Ela Hariadi, Wahyudio Shaney Fikri Hendra Perdana hidayatullah, Hidayatullah hidayatullah Huda, Nur’ainul Miftahul Idilla, Leona Ilhamsyah Imro'ah, Nurfitri IMRO’AH, NURFITRI Imro’ah, Nurfitri Indriani, Maria Meilinda Istighfarani, Ridha Maharani, Cinta Priscillia Mori, Stepanus Armadi Muhtadi, Radhi Mulia Tsani, Dien Permata Neva Satyahadewi Novi Safitri Nurhaliza, Sy. Farini Oktitannia, Dea Pebriyandi, Rifki Pramesti, Surya Adinda Fitria Prianti, Sabrina Eka Purwanty, Purwanty Puspita, Risma Putri Naya, Adellia Ayu Radinasari, Nur Ismi Rahimah, Ummi Rahmadanti, Putri Rahmawati, Fenti Nurdiana Regita, Luna Amara Rezaldi, Muhammad Fachri Riovani, Vriska Dwi Rivaldi, Syahrul Rizki, Setyo Wira Robbiati, Dian Sadikin, Utin Azwa Sayhani Salsabila, Salsabila Salsabila, Yumna Hanum Sindia, Eri Tamtama, Ray Umiati, Wiji Vebriyanti, Lo Mei Ly Wuri, Hastri Sastia Yogi, Vinsensius Yudhi Yundari, Yundari Zaria, Della