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      Keragaan Pertumbuhan Rubroshorea Leprosula Miq. dan Prediksi Distribusi Alaminya pada Berbagai Tempat Tumbuh.

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      Date
      2025
      Author
      YULIANTO, FITO RAMA
      Dwiyanti, Fifi Gus
      Siregar, Iskandar Zulkarnaen
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      Abstract
      Meranti (Rubroshorea leprosula Miq) dari famili Dipterocarpaceae merupakan salah satu penyusun hutan hujan tropis Indonesia yang kayunya masih menjadi primadona. Faktor lingkungan mempengaruhi adaptasi, pertumbuhan tanaman dan komposisi adalah sifat fisik dan kimia tanah. Penelitian ini bertujuan untuk mengevaluasi pengaruh tapak terhadap keragaan R. leprosula Miq. Metode penelitian meliputi pengumpulan data iklim dan kualitas tanah melalui data Soilgrid, WorldClim, data keragaan pohon, klasifikasi kualitas tanah dan analisis data menggunakan Maximum Entropy. Hasil menunjukkan kualitas tanah dan iklim yang sesuai, berperan krusial dalam mendukung pertumbuhan diameter dan tinggi R. leprosula Miq. Nilai akurasi kerja model kesesuaian habitat R. leprosula Miq di di Sumatera diperoleh sebesar 0,840 dengan nilai AUC variabel tertinggi elevasi, sedangkan Kalimantan memiliki kerja model sebesar 0,758 dan variabel organik karbon menunjukkan nilai AUC tertinggi. Variabel elevasi berpengaruh nyata terhadap diameter dan tinggi pohon R. leprosula.
       
      Meranti (Rubroshorea leprosula Miq) from the Dipterocarpaceae family is one of the components of Indonesia's tropical rainforests, whose wood is still highly sought after. Environmental factors influencing adaptation, plant growth, and composition include the physical and chemical properties of the soil. This study aims to evaluate the influence of site characteristics on the growth of R. leprosula Miq. The research methods include collecting climate and soil quality data using Soilgrid and WorldClim data, tree growth data, soil quality classification, and data analysis using Maximum Entropy. The results indicate that suitable soil quality and climate play a crucial role in supporting the growth of the diameter and height of R. leprosula Miq. The accuracy value of the habitat suitability model for R. leprosula Miq in Sumatra was 0,840, with the highest AUC value for the elevation variable, while Kalimantan had a model accuracy of 0,758, with the organic carbon variable showing the highest AUC value. The elevation variable significantly influences the diameter and height of R. leprosula trees.
       
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      http://repository.ipb.ac.id/handle/123456789/170250
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      • UT - Silviculture [1441]

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      Copyright © 2020 Library of IPB University
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      Indonesia DSpace Group 
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