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      Dekomposisi Serasah Daun dan Karakteristik Tanah pada Ekosistem Hutan Hujan Pegunungan Taman Nasional Gunung Halimun Salak

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      Date
      2024
      Author
      Mahenda, Wildan
      Winata, Bayu
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      Abstract
      Hutan hujan pegunungan merupakan salah satu tipe ekosistem hutan hujan tropis dengan ketinggian 1.000 – 2.400 mdpl. Hutan hujan pegunungan di TNGHS terdapat di zona inti yang memiliki kondisi dan fungsi yang masih asli (alami). Serasah merupakan bahan baku proses dekomposisi yang menentukan siklus unsur hara dan kesuburan tapak. Penelitian ini bertujuan untuk menganalisis laju dekomposisi serasah daun pada ekosistem hutan hujan pegunungan dan menganalisis hubungan antara laju dekomposisi serasah daun dengan faktor-faktor lingkungan (kondisi vegetasi, edafis, dan klimatis). Laju dekomposisi serasah daun ekosistem hutan hujan pegunungan pada kelas kerapatan sedang meningkat dari hari ke-30 hingga ke-90. Pada kelas kerapatan tinggi laju dekomposisi serasah daun mengalami peningkatan yang tidak terlalu signifikan dari hari ke-30 hingga hari ke-90. Laju dekomposisi serasah daun memiliki korelasi positif dengan suhu udara, kelembapan udara, intensitas cahaya, bahan organik tanah, C-organik tanah, pH tanah, N-total, dan bulk density, serta memiliki korelasi negatif dengan suhu tanah, respirasi tanah, C/N rasio dan porositas tanah.
       
      Mountain rainforest is one of the types of tropical rainforest ecosystems with elevations ranging from 1.000 - 2.400 m asl. Mountain rainforests in TNGHS are located in the core zone, which has original (natural) conditions and functions. Leaf litter serves as the raw material for the decomposition that determines the nutrient cycle and soil fertility. This study aims to analyze the rate of leaf litter decomposition in mountain rainforest ecosystems and to examine the relationship between the rate of leaf litter decomposition in mountain rainforest ecosystems and environmental factors (vegetation conditions, edaphic factors, and climatic factors). The rate of leaf litter decomposition in the lower mountain forest ecosystem increased from day 30 to day 90 in the medium-density class. In the high-density class, the rate of leaf litter decomposition experienced a less significant increase from day 30 to day 90. The rate of leaf litter decomposition is positively correlated with air temperature, air humidity, light intensity, soil organic matter, soil organic carbon, soil pH, N-total, and bulk density, while it is negatively correlated with soil temperature, soil respiration, C/N ratio, and soil porosity.
       
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      http://repository.ipb.ac.id/handle/123456789/144783
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      • UT - Silviculture [1442]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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      Universitas Jember Digital Repository