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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Teknosains JURNAL PEMULIAAN TANAMAN HUTAN AGRIVITA, Journal of Agricultural Science PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Hutan Pulau-Pulau Kecil : Jurnal Ilmu-Ilmu Kehutanan dan Pertanian Jurnal Ilmiah Sangkareang Mataram JURNAL HUTAN TROPIS Jurnal Ilmu Kehutanan Jurnal Ilmu Kehutanan Jurnal Manusia dan Lingkungan
Budiadi Budiadi
Universitas Gadjah Mada
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Mechanical Engineering Public Health Social Sciences

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Biomass Distribution of Cajuput Stand in Central Kalimantan Swamp Forest Alpian; Tiberius Agus Prayitno; Johanes Pramana Gentur Sutapa; Budiadi
Jurnal Manajemen Hutan Tropika Vol. 19 No. 1 (2013)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1200.677 KB)

Abstract

In Central Kalimantan, cajuput (Melaleuca cajuputi subsp. cumingiana) mostly can be found in the riptide swamp area. The present research was intended to determine the distribution of biomass based on the part of tree, position to the ground surface, growing stage, and allometric equation models to estimate the prospective of biomass in 2 different locations (A and B). The A and B locations were characterized by type B riptide peat swamp forest (high tide effected with peat thickness of 51-100 cm) and type C riptide peat swamp forest (tide unaffected shallow soil of < 50 cm with peat thickness of 101-200 cm), respectively. The distribution of cajuput biomass based on the part of tree, position to the ground surface, and growing stage in both locations indicated a similar pattern. Stem contained the highest biomass followed successively by that of root, branch, leave, fruit, and flower. Biomass above the ground was also higher than that of below the ground. Furthermore, biomass content of poles was the highest, followed successively by that of sapling, tree, and seedling. Allometric equation models used to estimate biomass of the A location in the state of green, air dry, and oven dry were 0.335D2,35, 0.143D2,42, and 0.128D2,41, respectively. While those in the B location for green, air dry, and oven dry state were 0.279D2,48, 0.127D2,58, and 0.114D2,56, respectively. The potential of biomass in the A and B location were 144,100 and 127,212 ton ha-1, respectively.
The Effect of Vegetation Community and Environment on Gyrinops versteegii Growth Rawana Rawana; Suryo Hardiwinoto; Budiadi Budiadi; Sri Rahayu
Jurnal Manajemen Hutan Tropika Vol. 24 No. 1 (2018)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Although Gyrinops versteegii has been domesticated by local community in Sragen Regency, the environmental factors and species which have high compatibility with G. versteegii still have not known yet. The objectives of this research were 1) to know which one of those vegetation communities that gives the best the diameter and height growth of the domesticated G. versteegii, and 2) to know the environmental factors that influenced the growth of the diameter and height of the domesticated G. versteegii. Sampling was done systematically with a plot of size 20 × 20m for trees, 10 × 10m for poles, and 5 × 5m for saplings with a total of 28 plots. SPSS Program version 22 was used for cluster, one-way anova, correlation, and multiple regression analysis. The results showed that for achieving the best G. versteegii growth, the G. versteegii should be planted under the community group which was dominated by Paraserianthes falcataria, Tectona grandis, Gliricidia sepium, and Eugenia aquea. Environmental factors affecting diameter growth of G. verteegii were organic carbon of the soil and the vegetation density. Meanwhile the environmental factors affecting the height growth of G. versteegii were temperature, light intensity, relative light intensity, organic carbon, C N ratio, P, Mg, air humidity, and clay content.
Space Planting, Competition, and Productivity of a Seven-Year-Old Clonal Teak Plantation in the East Java Monsoon Forest Area Rika Bela Rahmawati; Suryo Hardiwinoto; Widiyatno; Budiadi; Yahya Amin; Hasanusi Hasanusi
Jurnal Manajemen Hutan Tropika Vol. 27 No. 2 (2021)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.27.2.123

Abstract

Tree breeding of teak results in selected clones with high growth. Intensive silviculture is required to support a large-scale clonal teak plantation. Appropriate spacing is one of the methods to increase forest plantation productivity. Research of teak clone spacing was conducted on a seven-year-old clonal teak plantation with randomized completely block design. The treatments tested in this study were four plant spacing distances, namely, 3 m × 3 m, 6 m × 2 m, 8 m × 2 m, and 10 m × 2 m. Results show that spacing had significantly different effects on diameter, height, bole height, branch angle, crown area, crown projections, volume, and competition index. However, the height growth did not exhibit any significant differences. The 10 m × 2 m spacing produced the best diameter growth, crown area, and competition index, but has a low volume per hectare and the lowest height of free branch and branch angle. Meanwhile, the 3 m × 3 m spacing will increase bole height and stand volume per hectare. This result suggests that spacing could improve the growth of teak clone but must be followed by intensification of proper maintenance to reduce branch angle and increase bole height.
RESPON PERTUMBUHAN TANAMAN JATI PLUS PERHUTANI UMUR 11 TAHUN TERHADAP INTENSITAS PENJARANGAN DAN TUMPANG SARI (STUDI KASUS DI BKPH BEGAL KPH NGAWI, PERHUTANI JAWA TIMUR) Muhammad Fadhil Amiruddin Sudomo; Suryo Hardiwinoto; Sapto Indrioko; Budiadi Budiadi; Daryono Prehaten; Aris Wibowo
Jurnal Pemuliaan Tanaman Hutan Vol 15, No 1 (2021): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2021.15.1.13-23

Abstract

Thinning is one of silvicultural management actions in maintaining and increasing growth and quality of standing stands. This study aims to determine growth response of selected teak clone to several intensities of thinning and intercropping. The method was a factorial completely randomized block design (RCBD) with thinning intensity (4 levels): 0% (control = A1), 25% (A2), 50% (A3) and 75% (A4) as the main plot, while intercropping (2 levels), as the sub plot. The results showed that the Current Annual Increment (CAI) of diameter at breast height (CAI DBH), volume/tree (CAI vol/tree) and volume/hectare (CAI vol/ha) of stands gave a significant positive response to thinning intensity treatment. CAI DBH one year after thinning were 0.79 cm, 1.47 cm, and 2.46 cm; increased by 32%, 145% and 310% at the thinning intensity of 25%, 50% and 75% when they compared with the control (0.59 cm). CAI vol/ha of stand in the first year, namely 11.88 m/ha, 14.04m3/ha, and 16.78 m3/ha or with an increase of 9%, 29% and 54% respectively at an intensity of 25 %, 50% and 75% compared to the control.
ASOSIASI VEGETASI TANAMAN RAMBATAN KETAK (Lygodium circinatum (Burm.)Sw.) di KPHL RINJANI BARAT, PULAU LOMBOK, NUSA TENGGARA BARAT Endah Wahyuningsih; Eny Faridah; Budiadi Budiadi; Atus Syahbudin
Jurnal Pemuliaan Tanaman Hutan Vol 13, No 2 (2019): Jurnal Pemuliaan Tanaman Hutan
Publisher : Center for Forest Biotechnology and Tree Improvement (CFBTI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jpth.2019.13.2.85-94

Abstract

Ketak (Lygodium circinatum (Burm.) Sw.) is a fern plant and its growth requires other plants as a host plant for climbing of tendrils to get light. Information of vegetation association of host plant is needed, due to it is considered to have an influence on fern growth and productivity. This data and information is important to develop a strategy of ketak cultivation. This research was aimed to determine vegetation association of ketak host plant in its habitat. The study used purposive systematic sampling by survey technique based on altitude i.e. 0-249, 250-499 and 500-750 m asl. There are 10 of observation plot with dimension of 20 m x 20 m. In each plot, an analysis of vegetation association of ketak host plant to determine association between species, type of interaction and index of association between species of ketak host plant. The results showed that the vegetation association of ketak host plants in each altitude classification which had a positive and strong association are 7 pairs species in altitude of 0-249 m asl. and altitude 250 – 499 m asl., and 10 pairs species in the altitude 500 – 750 m asl.
ANALISIS KEBUTUHAN DAN KETERSEDIAAN AIR DI DAS KEDUANG JAWA TENGAH Erlynda Kumalajati; Sambas Sabarnudi; Budiadi Budiadi; Putu Sudira
Jurnal Teknosains Vol 5, No 1 (2015): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.26854

Abstract

This study aims to examine the balance between the availability and water need in the present and the future in Keduang Watershed, Central Java. The water need is calculated by using the standard water need for irrigation and non-irrigation. Types of non-irrigation water need encompass the water need for domestic, office, and the facilities of health, education, religious duties, industry, and market, as well as livestock. The standard water need is from SNI 19-6728.1-2002 and Planning Criteria of Directorate General of Human Settlements of Department of Public Works in 1996. This study uses socio-economic data in 2013. The availability of water is calculated by using Soil Conservation Service Curve Number (SCS CN) from USDA with the hydrological data from 2005 to 2013. This study uses data in 2013, due to the limitations of the data that can be obtained. In the analysis of availability and water need, hydrological, and spatial data are projected until 2033 and analyzed using quantitative analysis in the form of descriptive statistics. The result shows that 1) from year to year in Keduang watershed, the water need is increasing with an average increase of 3.38%, while the water availability is decreasing with an average decrease of 0.09%. 2) Water deficit will begin in 2023, when the water need is reaching 115,306,568.00 m3/year, whereas the water availability only 112,250,656.00 m3/year. From this calculation, it can be concluded that if there is no effort to change the trend of land cover that lead to the goal of water conservation, then, the water availability will not able to cover the water need. Thus, in the future, Keduang watershed will occur water deficit.
DRY LAND AGROFORESTRY PRACTICES IN MENOREH HILLS, KULON PROGO Aditya Hani; Yonky Indrajaya; Priyono Suryanto; Budiadi Budiadi
AGRIVITA, Journal of Agricultural Science Vol 38, No 2 (2016): JUNE
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v38i2.416

Abstract

Private forest in Java Island is mainly managed by Agroforestry (AF) system. There are three levels in AF systems: early AF, middle AF, and advance AF. The land productivity in AF system by villagers is mostly low because of inappropriate AF practice. The objective of this research is to analyze the land management practice in Menoreh hills, Kulon Progo, Yogyakarta. The study was conducted in Giripurwo Village, Kulon Progo. Stratifed sampling with purposive sampling was used in this study. Total of twelve plots were determined in every AF levels. Studies conducted in every plot includes the species composition and soil fertillity. The results showed that: (1) Tree composition in early and middle AF is dominated by woody tree (Sengon), while in advance AF is dominated by non-timber forest product (clove), (2) Low soil fertility in the study area is caused by high intensity of biomass harvesting and low fertilization dosage applied, (3) The increment of land productivity could be achieved by increasing the biomass input to the soil from organic fertilizer and crop waste.
PERTUMBUHAN SAGU (Metroxylon sp) DI HUTAN ALAM PAPUA Batseba A. Suripatty; Erny Poedjirahajoe; Satyawan Pudyatmoko; Budiadi Budiadi
JURNAL HUTAN PULAU-PULAU KECIL Vol 1 No 2 (2016): JHPPK
Publisher : Program Studi Manajemen Hutan, Pascasarjana Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.433 KB)

Abstract

Sago plants (Metroxylon sp) is a type of palm tree that grows around swamps and waterlogged land in the tropics. Sago palms grow on muddy land, with the quantity of water varies greatly, ranging from dry land to land remained logged. The longer the land flooded, the growth of young plants (shoots / seedling) very rapidly, but the growth of the trees are very slow. This study aims to determine the relationship of the growth of sago (Metroxylon sp) with climatic factors (humidity, temperature, light) and biotic (plants or other vegetation). The results showed that the relationship of growth of sago with environmental factors, edaphic (water), climatic (humidity, light) and biotic factors (vegetation) are generally water has an influence on the growth of sago while the humidity factor for all types of places to grow, that is, the area stagnant water, temporary areas and dry areas do not affect the growth of sago.
JENIS TANAMAN RAMBATAN UNTUK PERTUMBUHAN KETAK (Lygodium circinatum (Burm.) Sw) DI HUTAN ALAM P.LOMBOK, NTB Endah Wahyuningsih; Eny Faridah; Budiadi
JURNAL SANGKAREANG MATARAM Vol. 3 No. 2 (2017): Juni 2017
Publisher : SANGKAREANG

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Abstract

Ketak (Lygodium circinatum(Burm.) Sw) adalah tumbuhan paku yang memproduksiHHBK dan memiliki nilai penting sebagai bahan baku kerajinan anyamandi Pulau Lombok, NTB. Ketak menghasilkan sulur yang digunakan sebagai bahan baku kerajinan anyaman. Dalam pertumbuhannya ketak memerlukan tanaman lain sebagai rambatan. Oleh karena itu, diperlukan studi untuk mengetahui jenis tanaman apa saja yang dominan dipilih oleh ketak sebagai rambatan di P. Lombok untuk pengembangannya lebih lanjut. Penelitian ini bertujuan untuk mengetahui jenis tanaman rambatan apa saja yang dipilih ketak sebagai rambatannya. Diduga ada peranan tanaman rambatan terhadap pertumbuhan dan peningkatan produktivitas sulur ketak. Metode penelitian adalahpurposive sistematic samplingdengan teknik survei yaitu mencari jenis target dengan menentukan sampling sebagai wilayah survey. Wilayah sampling ditentukan berdasarkan 3 ketinggian tempat yaitu 0-249,250-499 dan 500 mdpl ke atas. Pada masing-masing ketinggian di buat 10 petak ukur dengan ukuran 20m x 20m dan dilakukan pengamatan keberadaan ketak serta jenis tanaman apa saja pada setiap ketinggian yang merupakan rambatan ketak. Hasil penelitian menunjukkan bahwa ketak dalam pertumbuhannya memilih banyak jenis tanaman rambatan, akan tetapi ada beberapa jenis tanaman rambatan ketak yang favorit disukai ketak. Jenis tanaman rambatan yang paling banyak ditemui sebagai rambatan pada setiap ketinggian adalahsebagai berikut: A. Pada ketinggian 0-249 mdpl: 1. Aren (Arenga pinnata), 2. Ceruring/Langsat (Lansium domesticum), 3. Liana (Liana sp); B. Pada ketinggian 250-499 mdpl: 1. Waru (Hibiscus tiliaceus), 2. Kumbi (Tabernaen montana), 3. Gaharu (Gyrinops verstegii); dan C. Pada ketinggian 500 mdpl ke atas: 1.Kopi (Coffea robusta), 2. Aren (Arenga pinnata), 3. Liana (Lianasp). Berdasarkan hasil pengamatan di hutan alam P. Lombok diketahui bahwa aren merupakan jenis rambatan yang paling favorit dijadikan rambatan ketak. Hal ini diduga karena Aren merupakan jenis tanaman yang memiliki tajuk cukup ringan, sehingga sesuai dengan sifat ketak yang menginginkan naungan tetapi tidak berat. Untuk melengkapi informasi berkaitan dengan upaya peningkatan pertumbuhan dan produktivitas ketak secara komprehensif diperlukan penelitian mengenai faktor fisiologi dan lingkungan yang mempengaruhi karakter pertumbuhan dan produktivitas ketak.
KOMPOSISI JENIS DAN FUNGSI PEKARANGAN (Studi kasus desa Giripurwo, Kecamatan Girimulyo, DI Yogyakarta) Junaidah Junaidah; P.Suryanto P.Suryanto; Budiadi Budiadi
Jurnal Hutan Tropis Vol 4, No 1 (2016): Jurnal Hutan Tropis Volume 4 Nomer 1 Edisi Maret 2016
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v4i1.2884

Abstract

Homegarden is one form of agroforestry complex which has a diverse structure and species composition. This research is aimed to (1) Determine the composition on 3 (three) levels development of homegarden, (2) Determine the function of crops on 3 (three) levels development of homegarden.  The sample location was done purposively based on the availability of data and information obtained in the field.  The number of homegarden which will be observed is 12 piece who representing 3 (three) levels development of homegarden, namely early homegarden, intermediate homegarden and advanced homegarden. Observations and measurements of vegetation used census (100%) on the entire plot. The results showed each level  development of homegarden have different  structure and composition of species. More advanced the level development of  homegarden, the number of woody plants increased while the number of crops decreased. This condition causes changes in the environmental conditions at under the stand. The function of homegardenat Giripurwo village is as a source of food, timber, trade commodities, spices, medicine, social, craft materials and ornamental plants.Pekarangan salah satu bentuk agroforestri komplek dimana memiliki struktur dan komposisi jenis yang sangat beragam. Penelitian ini bertujuan untuk (1) Mengetahui komposisi jenis pekarangan pada berbagai tingkat perkembangan, (2) Mengetahui  fungsi pekarangan pada berbagai tingkat perkembangan. Penentuan sampel lokasi penelitian dilakukan secara purposive berdasarkan ketersediaan data dan informasi yang diperoleh di lapangan. Pekarangan yang diamati berjumlah 12 buah yang mewakili 3 tingkat perkembangan pekarangan, yaitu: pekarangan awal, pekarangan menengah dan pekarangan lanjut. Pengamatan dan pengukuran vegetasi secara sensus (100 %) pada seluruh plot ukur. Hasil penelitian menunjukkan struktur dan komposisi pada tiap tingkat perkembangan pekarangan berbeda. Semakin lanjut tingkat perkembangan pekarangan, jumlah jenis tanaman berkayu meningkat sedangkan   jumlah  jenis tanaman semusim menurun. Kondisi ini menyebabkan perubahan kondisi lingkungan di bawah tegakan. Fungsi pekarangan bagi masyarakat Dusun Bulu, Desa Giripurwo adalah sebagai sumber pangan, penghasil kayu, komoditi perdagangan, rempah-rempah, obat-batan, sosial, bahan baku kerajinan dan tanaman hias.
Co-Authors Aditya Hani Adriana Adriana Alpian Ananto Triyogo Ari Susanti Aris Wibowo Atus Syahbudin Batseba A. Suripatty Daryono Prehaten Denni Susanto Dwiko Budi Permadi Endah Wahyuningsih Endah Wahyuningsih Enggal Primananda Eny Faridah Erlynda Kumalajati Erny Poedjirahajoe Handojo Hadi Nurjanto Handojo Hadi Nurjanto Hasanusi Hasanusi Heri Santoso Hermudananto Hermudananto Hero Marhaento, Hero Irfan Bakhtiar Johanes Pramana Gentur Sutapa Junaidah Junaidah Muhammad Ali Imron Muhammad Fadhil Amiruddin Sudomo P.Suryanto P.Suryanto Priyono Suryanto Priyono Suryanto Putu Sudira Rawana Rawana Rika Bela Rahmawati Sambas Sabarnudi Sapto Indrioko Satyawan Pudyatmoko Selly Varanita Siti Maimunah SM Widyastuti Sri Rahayu Suryo Hardiwinoto Suwito Setyo Budi Tiberius Agus Prayitno Widiyatno Winastuti Dwi Atmanto Yahya Amin Yonky Indrajaya