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      PEMODELAN SPASIAL TINGKAT KEKRITISAN LAHAN DI SUB-DAS CIKALUMPANG

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      Date
      2026
      Jenis/Type
      Skripsi
      Subtype
      Undergraduate Theses
      Author
      KURNIAWAN, PRADIKA AFRI
      Puspaningsih, Nining
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      Abstract
      Lahan kritis merupakan permasalahan penting dalam pengelolaan daerah aliran sungai (DAS) karena menurunkan fungsi hidrologis dan produktivitas lahan. Penelitian ini bertujuan menganalisis tingkat kekritisan lahan di Sub-DAS Cikalumpang dan sebarannya pada setiap fungsi kawasan hutan. Analisis dilakukan menggunakan Sistem Informasi Geografis dengan metode Composite Mapping Analysis yang mengintegrasikan delapan parameter dari faktor lingkungan dan faktor manusia, sedangkan tingkat erosi dihitung menggunakan metode Universal Soil Loss Equation. Hasil penelitian menunjukkan bahwa tingkat kekritisan lahan terbagi menjadi lima kelas, dengan kelas kritis dan sangat kritis mencakup 30,36% dari total 2.770,52 ha. Tutupan lahan menjadi faktor dominan penentu kekritisan lahan sehingga faktor lingkungan lebih berpengaruh dibandingkan dengan faktor manusia. Berdasarkan fungsi kawasan, areal penggunaan lain (APL) memiliki tingkat kekritisan yang jauh lebih tinggi dibandingkan dengan kawasan hutan, dengan proporsi lahan kritis dan sangat kritis mencapai 40,61% dari luas APL, sedangkan pada hutan produksi (HP) hanya sebesar 0,92%. Hasil penelitian ini dapat menjadi dasar penentuan prioritas konservasi dan rehabilitasi lahan serta pengelolaan jasa lingkungan di Sub-DAS Cikalumpang
       
      Critical land is a major concern in watershed management because it reduces hydrological function and land productivity. This study aims to analyze the level of land criticality in the Cikalumpang Sub-watershed and its distribution across forest area functions. The analysis employed a Geographic Information System with the Composite Mapping Analysis method, integrating eight environmental and social parameters, while erosion was estimated using the Universal Soil Loss Equation. The results show that land criticality was classified into five classes, with the critical and highly critical classes together accounting for 30.36% of the total 2,770.52 ha. Land cover was the dominant determining factor, so environmental factors were more influential than social factors. Based on area function, other-use areas (APL) had a much higher criticality level than forest areas, with critical and highly critical classes covering 40.61% of APL, compared with only 0.92% in production forest (HP). These findings can serve as a basis for prioritizing land conservation and rehabilitation and for environmental service management in the Cikalumpang Sub- watershed
       
      URI
      http://repository.ipb.ac.id/handle/123456789/179725
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      • UF - Forest Management [3311]

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      Copyright © 2020 Library of IPB University
      All rights reserved
      Contact Us | Send Feedback
      Indonesia DSpace Group 
      IPB University Scientific Repository
      UIN Syarif Hidayatullah Institutional Repository
      Universitas Jember Digital Repository