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All Journal Indonesian Journal of Forestry Research Jurnal Penelitian Hutan dan Konservasi Alam JURNAL ANALISIS KEBIJAKAN KEHUTANAN
Budi Hadi Narendra
Center for Forest Conservation and Rehabilitation Research and Development, Forestry Research and Development Agency, Jl. Gunung Batu No. 5 Bogor
Agriculture, Biological Sciences & Forestry

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ECOLOGY OF A MEDICINAL TREE Strychnos ligustrina Bl, IN DOMPU DISTRICT, WEST NUSA TENGGARA PROVINCE Setiawan, Ogi; Narendra, Budi Hadi
Indonesian Journal of Forestry Research Vol 9, No 1 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

KAJIAN PERUBAHAN CURAH HUJAN, SUHU DAN TIPE IKLIM PADA ZONE EKOSISTEM DI PULAU LOMBOK Nandini, Ryke; Narendra, Budi Hadi
ISSN 0216-0897
Publisher : Pusat Penelitian dan Pengembangan Perubahan Iklim dan Kebijakan

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Abstract

Dampak perubahan iklim dapat dirasakan secara global. Pulau Lombok merupakan salah satu pulau kecil yang mempunyai tingkat kerentanan terhadap perubahan iklim lebih besar dibandingkan pulau-pulau besar. Perubahan iklim dapat menyebabkan terganggunya ekosistem yang ada sehingga perlu adanya strategi mitigasi dan adaptasi terhadap perubahan iklim. Data dan informasi perubahan iklim merupakan data dasar yang penting untuk merumuskan strategi mitigasi dan adaptasi terhadap perubahan iklim. Tujuan penelitian ini adalah mendapatkan data dan informasi perubahan curah hujan, suhu dan tipe iklim serta menelusuri dampaknya terhadap ekosistem hutan di Pulau Lombok. Metode yang digunakan adalah analisis perubahan iklim (besaran, perubahan, distribusi spasial dan kecenderungan), dan analisis dampak perubahan iklim terhadap ekosistem hutan melalui analisis kesenjangan antara data terkini dan data histori. Hasil penelitian menunjukkan bahwa di Pulau Lombok telah terjadi perubahan iklim yang ditandai oleh perubahan kecenderungan curah hujan, suhu dan tipe iklim. Dampak perubahan iklim pada ekosistem hutan antara lain rusaknya ekosistem hutan mangrove, hilangnya jenis-jenis endemik, penurunan tutupan lahan, serta berkurangnya kualitas dan kuantitas mata air.
ENHANCING THE PRODUCTIVITY OF DEGRADED LAND THROUGH SOIL AND WATER CONSERVATION TECHNIQUE IN CARITA RESEARCH FOREST, WEST JAVA Pratiwi, Pratiwi; Narendra, Budi Hadi
Indonesian Journal of Forestry Research Vol 9, No 2 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

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Abstract

Encroachments on Carita Research Forest area have exacerbated the degradation of land due to uncontrolled runoff, erosion and nutrient losses especially on the sloping land with high annual rainfall. To reduce the severity of the degradation the area should be rehabilitated by applying soil and water conservation techniques. The techniques used were the vegetative methods (culture), and a combination of it with mechanical/technical methods. The combination method is expected to be more effective in controlling runoff, erosion and nutrient losses. One important parameter is the efficiency of the distance of the vertical mulch channel, which affects the application cost. This study was aimed to determine the effect of different distances of vertical mulch channels on the plant growth and annual crop yield as well as its effectiveness in controlling runoff, erosion and nutrient losses. The research was conducted in Carita Research Forest from 2005 to 2008, using the randomized block design. Treatments applied were: vertical mulch with six and twelve meter distances of plots of khaya (Khaya anthotheca C.Dc.) and corn ( Zea mays L.) cropping system. Observations included height and diameter growth of khaya, runoff and erosion, and cost per ha. The results showed that six meter of vertical mulch was the most efficient distance. The height and diameter of khaya tree increased by 7% and 31% in six meter distance compared to the control. Moreover, runoff and erosion was reduced by 75% and 37%, and nutrient losses could be trimmed down by three to five times. In addition, six meters distance could also produce corn of 712 kg/ha/year, which was 73% greater than corn production without vertical mulch. On the other hand, the cropping system with six meter distance of vertical mulch required Rp 3,250,000,- per ha, which was Rp 250,000,- more expensive than that without vertical mulch.
KESESUAIAN JENIS POHON PADA LAHAN KRITIS DI SUB DAS LESTI, JAWA TIMUR Pratiwi, Pratiwi; Hartoyo, Manjela Eko; Narendra, Budi Hadi; D, I Wayan Susi
Jurnal Penelitian Hutan dan Konservasi Alam Vol 11, No 2 (2014): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

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Abstract

Keberhasilan penanaman pohon khususnya di lahan-lahan kritis, sangat ditentukan oleh berbagai faktor,seperti pemilihan jenis-jenis yang sesuai dengan kondisi biofisik daerah yang bersangkutan, tujuan usaha, cara penyiapan lahan dan sebagainya. Tujuan penelitian ini adalah memperoleh data dan informasi tentang jenis-jenis pohon yang sesuai untuk lahan-lahan kritis di Sub DAS Lesti, Jawa Timur. Informasi ini dituangkan dalam peta kesesuaian tempat tumbuh jenis pohon yang diperoleh dengan mencocokkaninformasi persyaratan tempat tumbuh suatu jenis pohon terhadap peta kondisi tanah, topografi, iklim (curah hujan) dan peta tingkat kekritisan lahannya. Peta kesesuaian ini diharapkan dapat dipakai sebagai landasanuntuk menyusun perencanaan rehabilitasi lahan di Sub DAS Lesti berdasarkan prioritas tingkat kekritisannya.
ENHANCING THE PRODUCTIVITY OF DEGRADED LAND THROUGH SOIL AND WATER CONSERVATION TECHNIQUE IN CARITA RESEARCH FOREST, WEST JAVA Pratiwi, Pratiwi; Narendra, Budi Hadi
Indonesian Journal of Forestry Research Vol 9, No 2 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2012.9.2.81-90

Abstract

Encroachments on Carita Research Forest area have exacerbated the degradation of land due to uncontrolled runoff, erosion and nutrient losses especially on the sloping land with high annual rainfall. To reduce the severity of the degradation the area should be rehabilitated by applying soil and water conservation techniques. The techniques used were the vegetative methods (culture), and a combination of it with mechanical/technical methods. The combination method is expected to be more effective in controlling runoff, erosion and nutrient losses. One important parameter is the efficiency of the distance of the vertical mulch channel, which affects the application cost. This study was aimed to determine the effect of different distances of vertical mulch channels on the plant growth and annual crop yield as well as its effectiveness in controlling runoff, erosion and nutrient losses. The research was conducted in Carita Research Forest from 2005 to 2008, using the randomized block design. Treatments applied were: vertical mulch with six and twelve meter distances of plots of khaya (Khaya anthotheca C.Dc.) and corn ( Zea mays L.) cropping system. Observations included height and diameter growth of khaya, runoff and erosion, and cost per ha. The results showed that six meter of vertical mulch was the most efficient distance. The height and diameter of khaya tree increased by 7% and 31% in six meter distance compared to the control. Moreover, runoff and erosion was reduced by 75% and 37%, and nutrient losses could be trimmed down by three to five times. In addition, six meters distance could also produce corn of 712 kg/ha/year, which was 73% greater than corn production without vertical mulch. On the other hand, the cropping system with six meter distance of vertical mulch required Rp 3,250,000,- per ha, which was Rp 250,000,- more expensive than that without vertical mulch.
ECOLOGY OF A MEDICINAL TREE Strychnos ligustrina Bl, IN DOMPU DISTRICT, WEST NUSA TENGGARA PROVINCE Setiawan, Ogi; Narendra, Budi Hadi
Indonesian Journal of Forestry Research Vol 9, No 1 (2012): Journal of Forestry Research
Publisher : Secretariat of Forestry Research and Development Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/ijfr.2012.9.1.30-38

Abstract

KARAKTERISTIK LAHAN KRITIS BEKAS LETUSAN GUNUNG BATUR DI KABUPATEN BANGLI, BALI Nandini, Ryke; Narendra, Budi Hadi
Jurnal Penelitian Hutan dan Konservasi Alam Vol 9, No 3 (2012): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

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Abstract

ABSTRAK Lahan  bekas  letusan  Gunung  Batur  merupakan  salah  satu  bagian  yang  sangat  penting  dalam  upaya rehabilitasi hutan dan lahan di Kabupaten Bangli, Propinsi Bali. Bekas letusan Gunung Batur meningggalkan karakteristik biofisik yang khas yang menyebabkan perlunya suatu kajian tentang karakteristik lahan bekas letusan Gunung Batur agar dapat disusun suatu strategi rehabilitasi hutan dan lahan. Karakteristik lahan yang dikaji antara lain meliputi iklim, fisiologi dan geologi, tanah, hidrologi, serta vegetasi dan penutupan lahan. Hasil kajian menunjukkan bahwa tipe iklim di lokasi penelitian adalah E (agak kering) dengan curah hujan rata-rata tahunan 1750,9 mm. Secara fisiologis lokasi penelitian merupakan bentukan lahan asal vulkanik yang didominasi oleh medan lava dengan geologi tersusun atas batuan ignimbrit, basalt, breksi vulkanik dan andesit. Kesuburan tanah termasuk sangat rendah dan potensi hidrologi yang ada berupa mata air yang ada di sekitar danau Batur. Jenis vegetasi yang mendominasi adalah tusam (Pinus merkusii Jungh.& de Vriese) dan ampupu (Eucalyptus urophylla S.T.Blake).
Co-Authors I Wayan Susi D, I Wayan Susi Manjela Eko Hartoyo, Manjela Eko Ogi Setiawan Pratiwi Pratiwi Ryke Nandini