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Jurnal Manusia dan Lingkungan
Published by Universitas Gadjah Mada
ISSN : 08545510     EISSN : 24605727     DOI : https://doi.org/10.22146/jml.30101
Core Subject : Humanities, Agriculture, Social, Engineering,
Agriculture, Biological Sciences & Forestry Humanities Chemical Engineering, Chemistry & Bioengineering Environmental Science Social Sciences
Jurnal Manusia dan Lingkungan is published by the Center for Environment Studies, Universitas Gadjah Mada, Yogyakarta, Indonesia. The journal is focused to the relationship between people and its environment that are oriented for environmental problems solving. Jurnal Manusia dan Lingkungan receives a manuscript with interdisciplinary and multidisciplinary approach Abiotic : physical, chemical, technical, geo-environmental science and modelling science Biotic : environmental biology, ecology, agro environment Culture : environmental-socio,-economics,-culture, and environmental health.
Arjuna Subject : Ilmu Lingkungan (semua ketegori) - Ilmu Lingkungan (Lain-Lain)
Articles 11 Documents
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Search results for , issue "Vol 19, No 3 (2012): November" : 11 Documents clear
KERUSAKAN TEGAKAN TINGGAL AKIBAT PEMANENAN KAYU REDUCED IMPACT LOGGING DAN KONVENSIONAL DI HUTAN ALAM TROPIKA (STUDI KASUS DI AREAL IUPHHK PT. INHUTANI II, KALIMANTAN TIMUR) (Residual Stand Damage Caused by Conventional and Reduced Impact Logging)) Muhdi Muhdi; Elias Elias; Daniel Murdiyarso; Juang R Matangaran
Jurnal Manusia dan Lingkungan Vol 19, No 3 (2012): November
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jml.18468

Abstract

ABSTRAKPenelitian ini bertujuan untuk mengetahui kerusakan tegakan tinggal akibat pemanenan kayu dengan teknik reduced impact logging (RIL) di hutan alam tropika. Penelitian dilakukan di areal PT Inhutani II, Kalimantan Timur. Petak penelitian ini masing-masing 3 (tiga) plot permanen dengan ukuran masing-masing 100 m x 100 m. Plot-plot permanen/pengukuran diletakkan secara sistematis pada kedua petak  penelitian  sedemikian rupa sehingga mewakili tempat-tempat sebagai berikut : lokasi tempat pengumpulan kayu (TPN),  di lokasi jalan sarad utama dan di lokasi jalan sarad cabang. Hasil inventarisasi tegakan menunjukkan bahwa potensi tegakan rata-rata pada petak pemanenan kayu konvensional dan RIL masing-masing sebesar 353,51 N/ha dan 362,67 N/ha. Jumlah kerusakan tegakan tinggal rata-rata akibat pemanenan kayu pada petak pemanenan kayu konvensional dan RIL masing-masing sebesar 134,67 N/ha (38,10 %) dan 85,33 N/ha (23,52 %). Hasil penelitian menunjukkan bahwa dengan diterapkan teknik pemanenan kayu RIL dapat mengurangi kerusakan tegakan tinggal tingkat tiang dan pohon sebesar 9,86 N/ha atau 36,61 % dari yang dihasilkan pada petak pemanenan kayu konvensional. Dengan demikian pemanenan kayu konvensional menyebabkan kerusakan tegakan tinggal lebih besar dibandingkan  dengan teknik RIL. ABSTRACTThis research examined the effect of reduced impact logging (RIL) to residual stand damages in natural tropical forest. A  research was done at  natural tropical forest of PT Inhutani II, East Kalimantan. The effect of reduced impact logging to residual stand were studied using the data of three plots with each size 100 m x 100 m are placed based on purposive sampling at landing, main skiddtrail and branch skiddtrail, respectively. The results of the research showed that that the potency of commercial timber species in conventional logging and RIL were 353.51 N/ha  and  362.7 N/ha. The number of residual stand damages caused by conventional logging and RIL were 134.67 N/ha (38.10 %) and 85.33 N/ha (23.52 %). Results of the research showed that reduced impact logging is reduced trees damages 9.86 N/ha (36.61 %) compared with conventional logging. These researches indicated that conventional logging in the tropical natural forest caused heavier damage on residual stand when compared with a reduced impact logging.

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