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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Jurnal Silvikultur Tropika (JST) MEDIA KONSERVASI Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Penelitian Hutan Tanaman Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Widyariset PROSIDING SEMINAR NASIONAL CENDEKIAWAN Jurnal Agrotek Lestari Widyariset
Prijanto Pamoengkas
Departemen Silvikultur, Fakultas Kehutanan, Institut Pertanian Bogor, Kampus IPB Darmaga, Bogor 16680
Aerospace Engineering Agriculture, Biological Sciences & Forestry Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Neuroscience Physics Social Sciences

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APLIKASI LUBANG RESAPAN BIOPORI DAN CROSS DRAIN UNTUK REHABILITASI DI JALAN SARAD Prameswari, Diana; Supriyanto, Supriyanto; Saharjo, Bambang Hero; Wasis, Basuki; Pamoengkas, Prijanto
Jurnal Penelitian Hutan dan Konservasi Alam Vol 12, No 2 (2015): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

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Abstract

Problem yang dihadapi di jalan sarad dalam pemanenan kayu adalah pemadatan tanah, erosi yang tinggi, me - nurunnya kesuburan tanah, miskinnya cendawan mikoriza dan kurangnya anakan. Untuk meningkatkan pro - duktivitas hutan di jalan sarad, maka diperlukan upaya pemulihan antara lain dengan penanaman pengayaan intensif dan cara lain yang dapat untuk mengurangi laju erosi, meningkatkan kesuburan tanah di jalan sarad dengan menerapkan lubang resapan biopori (LRB) dan cross drain (Cd). Tujuan penelitian ini adalah untuk mendapatkan informasi tentang pemanfaatan LRB  dan Cd  dalam penanaman pengayaan intensif untuk peningkatan produktifitas jalan sarad di hutan alam bekas tebangan. Lokasi penelitian diberi ijin usaha pemanfaatan hasil hutan kayu-hutan alam (IUPHHK-HA) pada hutan produksi Kalimantan Barat selama satu tahun. Rancangan penelitian adalah rancangan acak kelompok pola faktorial 2 x 2 dengan ulangan tiga kali. Faktor pertama yaitu LRB dan faktor kedua yaitu cross drain.  Hasil penelitian menunjukkan bahwa interaksi perlakuan LRB dan cross drain  memberi pengaruh yang nyata bagi pertumbuhan tinggi tanaman umur satu tahun Shorea leprosula dan Shorea parvifolia sedangkan untuk pertumbuhan diameternya tidak berpengaruh nyata. Perlakuan cross drain dapat meningkatkan serapan hara P, K, C organik di S. leprosula dan hanya serapan P dan C-organik di S. parvifolia.
Spatial Variability of Fruit and Seedling Growth of Mindi (Melia azedarach L.) in Community Forest, West Java, Indonesia Irmayanti, Laswi; Siregar, Iskandar Zulkarnaen; Pamoengkas, Prijanto
Journal of Tropical Life Science Vol 5, No 3 (2015)
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.05.03.09

Abstract

Mindi (Melia azedarach L.) is mostly found in community forests of West Java. One of the important factors affecting productivity of community forests is the use of quality seed. Due to scarcity of seed sources, however, seed quality is not easily available. Currently, community forests serve also as ad hoc seed sources that are usually without appropriate quality assessment. This research was aimed to determine baseline information on spatial variability of mindi fruits collected from five seed sources, and seedling growths treated in seven different growing media consisting mixtures of soil, rice husk, sand and cattle manure. Five mindi populations were selected in the following villages: Nagrak (Bogor), Babakan Rema (Kuningan), Padasari (Sumedang), Sukakarya (Bogor) and Gambung (Bandung). The results showed that variability of seed dimension (CV=4.82-14.37%) and seedling growth (11.79-21.77%) were moderate. The mindi fruits from Nagrak were found to be the biggest in terms of size (1.22 ± 0.17 cm), weight (0.40 ± 0.04 g), and seed set (85.47 ± 15.09%). In addition, the seedling growth from Nagrak was also better than those of other villages showing its potential for future seed sources. Growing media containing cattle manure were observed consistently to be the best for seedling growth. The findings are useful in supporting scientifically the selection of seed sources from community forests.
Pendugaan Biomassa Pohon Berdasarkan Model Fractal Branching pada Hutan Sekunder di Rantau Pandan, Jambi Prijanto Pamoengkas; Meine van Noordwijk; I Indrawan
Jurnal Manajemen Hutan Tropika Vol. 6 No. 1 (2000)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Fractal branching analysis is a model of indirect estimation on tree biomass that based on the diameter and length of branches. This model put on assumption that the stem diameter before and after branching have the same value which formulated into functional relationship Y = a Db. The research aimed to find out the equation estimation of rubber trees biomass then compared to the equation of corrected biomass after Brown (1997). From this study, it has been found that the equation of above ground biomass for rubber trees is Y = 0.095 D2.62 and non rubber trees Y = 0.091 D2.59 while the equation of aboveground biomass after Brown (1997) is Y = 0.092 D2.60. Based on that grouping in which fractal branching model as a simulation of the Brown model has resulted the same graph. Beside that, the advantage of using this model is that the weight of stem should not be measured because tree biomass can be estimated by measuring the stem diameter
Rarity Status and Habitat of Shorea laevis and Shorea leprosula in Muara Teweh, Central Kalimantan Sri Wilarso Budi; Iskandar Zulkarnaen Siregar; Ulfah Juniarti Siregar; Andi Sukendro; Prijanto Pamoengkas; Tedi Yunanto
Jurnal Manajemen Hutan Tropika Vol. 18 No. 2 (2012)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Forest exploitation and conversion to other landuse may cause lost of biodiversity, including most important dipterocarp trees species, i.e. Shorea leprosula and Shorea laevis. The objective of this study was to determine the rarity status of the two important shorea species, i.e. S. laevis and S. leprosula, based on IUCN criteria, their habitat characteristics, and their association with other species, as one of the basis for determining their conservation strategy as a part of forest management. This study was conducted in three types of ecosystem (virgin forest, secondary forest, and fragmented forest) in Muara Teweh, Central Kalimantan. Methodology used in this research includes vegetation and tree diversity analysis. Study results showed that both S. laevis and S. leprosula were included within category of “low risk” in the 3 types of ecosystem in the forest area being studied. Habitat characteristics which determined the absence of S. laevis in the virgin forest habitat was the soil permeability which was too low, whereas other soil chemical and physical properties in the three types of ecosystems were relatively similar. Presence of S. laevis were positively associated with species of S. uliginosa, Dialium platysepalum, Dipterocarpus ibmalatus, Palaquium rostatum, Vatica rasak, Adinandra sp., and Memecyclon steenis. On the other hand, S. leprosula were positively correlated with S. kunstleri, Castanopsis sp., Shorea sp., Quercus bennettii, Castanopsis argentea, and D. hasseltii.
Tebang pilih tanam jalur : pemodelan pertumbuhan tanaman meranti pada jalur tanam . Wahyudi; Andry Indrawan; Irdika Mansur; Prijanto Pamoengkas
Jurnal Ilmu Pertanian Indonesia Vol. 15 No. 1 (2010): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Selective Cutting and Line Planting (SCLP) silvicultural system can be applied in the logged over forest and low potential forest to improve their productivity . The research was aimed to create the growth modelling of Shorea plantations in the line planting system. The research was conducted at research plots of SCLP in logged over forest of PT Gunung Meranti, Central Kalimantan Province. The research plots were divided into three plots of Shorea Jeprosula plantation that planted in 1994 as plot 1, year 1999 as plot 2 and year 2008 in which consisted of 200 samples of trees, respectively. Data of Shorea Jeprosula growth were evaluated by Stella 9.0.2 and SPSS 13, and predicted using table of volume, exponential and polynomial equations. The research result showed that exponential equation was y= 1,0269.e0,012x(R2= 96,02%) and estimated cutting cycle at 37 year old, average polynomial equation was y=0,0297x2+ 0,8208x + 0,3728 (R2= 86,89%) and estimated cutting cycle at 30 year old and group polynomial equations (R2> 95%) estimated cutting cycle at 32 years old. The best model was group polynomial equations that represented exponential equation and average polynomial equation in the yield of volume.
PENGEMBANGAN SUMBER BENIH MINDI (Melia azedarach) UNTUK HUTAN RAKYAT DI JAWA BARAT Prijanto Pamoengkas; Iskandar Z. Siregar; Nurheni Wijayanto; . Yulianti; Dida Syamsuwida
Jurnal Ilmu Pertanian Indonesia Vol. 17 No. 1 (2012): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

Melia azedarach is mostly found in community forests in West Java. One of the factors that affect forest productivity is high quality seed, but seed quality is not easily obtained by farmers. The general objective research is to provide good quality seeds of Mindi. Specific objectives are: 1) Determine the potential and the distribution of genetic resources of Mindi); 2) Determine the reproductive system; 3) ) improve  seed technology  to develop the seed viability of mindi, and 4) Build the collaborative management of mindi seed source by farmer. Seven  populations of mindi plantation in the community forests were chosen for this research. The study was conducted over three years (2009-2011). Biophysical condition such as  soil, light, temperature, altitude and humidity affect growth, flowering, fertilization and fruit production of mindi. The flowering cycle was proceeded for 6-7 months. The average value of reproductive success (KR) is 58%. The genetic variation of mindi in community forests in West Java was He = 0.1603-0.1956. The thickness of the seed coat, the high  content of lignin and ABA is create a difficulty in seed germination. Prospective populations to be developed for seed sources were proposed namely Sumedang, Wanayasa and Talegong. 
Aplikasi Amelioran Tanah dan MycoSilvi pada Falcataria sp. dan Ochroma bicolor Rowlee. untuk Reklamasi Lahan Pascatambang Pasir Silika Khoryfatul Munawaroh; Sri Wilarso Budi; Prijanto Pamoengkas
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 3 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.25.3.334

Abstract

Open pit mining of silica sand causes some soil degradations and environmental impacts, such as lowering soil pH, lowering soil fertility, soil compaction, and toxicity of micronutrients such as Al, Fe, and Zn. The aim of this study was to analyze the soil properties of land post mining of silica sand and to analyze the growth response of Falcataria sp. and Ochroma bicolor by combination of soil ameliorant and MycoSilvi. The experimental design was split plot design of two treatment factors, MycoSilvi and soil ameliorant. The main plot is MycoSilvi that consist of two levels (MycoSilvi and without MycoSilvi). The subplot is soil ameliorant that consisted of six levels (compost 0 g, lime 0 g; compost 0 g, lime 1.56 g; compost 0 g, lime 3.12; compost 9 g, lime 0 g; compost 9 g, lime 1.56 g; compost 9 g, lime 3.12 g). The results showed that the soil ameliorant (lime 3.12 g and compost 9 g) and MycoSilvi was the best treatment to increase height, diameter, biomass, and mycorrhizal colonization of Falcataria sp. and O. bicolor. Keywords: MycoSilvi, reclamation, soil ameliorant
Ketergantungan Tiga Jenis Tanaman Kehutanan terhadap Mikoriza pada Media Tanah Bekas Tambang Pasir Silika Putri Aurum; Sri Wilarso Budi; Prijanto Pamoengkas
Jurnal Ilmu Pertanian Indonesia Vol. 25 No. 2 (2020): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (562.488 KB) | DOI: 10.18343/jipi.25.2.309

Abstract

One effort to support the success of reclamation and rehabilitation of ex-silica sand mines is to improve the quality of seedling planted with mycorrhizal inoculation. Each plant has a mycorrhizal dependency which varies depending on the plant species and the level of soil fertility. This study aimed to analyze the mycorrhizal dependency of Kadam (Anthocephalus cadamba), Red Sengon (Albizia chinensis), and Kaliandra (Calliandra calothyrsus) grown on soil growing media from post silica sand mining and amended with compost and lime. The study used completely randomized design with a split plot design consist of two factors, first factor was mycorrhizal inoculation in the form of MycoSilvi inoculum, consisting of two levels and the second factor was soil ameliorant in the form of lime and compost consisting of six levels, each treatment was repeated five times. The results showed that the treatment of lime and MycoSilvi addition showed the highest percentage of mycorrhizal dependency on Kadam, Red Sengon and Kaliandra seedlings, which were 76, 62, and 59% respectively. The addition of lime and compost decreased the degree of relative mycorrhizal dependency of three plants species tested, in line with increasing available P in soil growth medium. Keywords: mycorrhizal dependency, MycoSilvi, post mined soil, soil ameliorant
Peatlands Rehabilitation through Species Enrichment on Post-fire Oil Palm Plantation Area Rizki Mardhatillah; Prijanto Pamoengkas; Istomo Istomo
Media Konservasi Vol 24 No 1 (2019): Media Konservasi Vol. 24 No. 1 April 2019
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (626.821 KB) | DOI: 10.29244/medkon.24.1.60-67

Abstract

Forest fires and land conversion to oil palm plantations are one of the major threats that caused dangerous impacts on the existence of peatlands in Indonesia. Rehabilitation by plant type enrichment method is an effort that can be developed to restore the ecological and hydrological functions of degraded peatlands. This study aimed to analyze biophysical conditions (soil characteristics), analyze the growth response of plant species against the combination of planting types; analyze the choice of planting combinations that are in accordance with the physical conditions of the field and the needs of local communities. This study was designed by varying the diversity of tree species or combination of planting. The research plot consists of three size area (5m x 5m, 10m x 10m, and 20m x 20m). The species that used in this study consists of Shorea balangeran, Durio zibethinus, Archidendron pauciflorum, Parkia speciosa, Coffea liberica and Areca pinanga. The results showed that the research plot has soil characteristic from mesotropic fertility categories (moderate fertility) to eutophic (fertile), while the pH between 3.2 – 3.5 (very acidic). The growth of plant species at the age of five months has growth rate differentiation both height and diameter in each combination of planting.  The height growth of Shorea balangeran species the highest which average of 35.16 cm while the diameter growth of Areca pinanga is 8.13 mm. The best combination of planting is a combination of six species wich consists Shorea balangeran, Durio zibethinus, Archidendron pauciflorum, Parkia speciosa, Coffea liberica and Areca pinanga. Keywords: enrichment planting, growth, rehabilitation, peatlands
GROWTH EVALUATION OF RED MERANTI SPECIES IN RESTORATION AREA OF GUNUNG DAHU RESEARCH FOREST, BOGOR Eggy Nugraha Ariansyah; Prijanto Pamoengkas; Rizki Ary Fambayun; Henti Hendalastuti Rachmat
Jurnal Penelitian Hutan dan Konservasi Alam Vol 17, No 2 (2020): Jurnal Penelitian Hutan dan Konservasi Alam
Publisher : Pusat Penelitian dan Pengembangan Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphka.2020.17.2.191-205

Abstract

The use of local species for revegetation activities is expected to accelerate the natural regeneration to increase the biodiversity in restoration efforts of disturbed areas. This study used several parameters to observe the growth of 20-years old stand S. pinanga and S. platyclados, including diameter, total tree height, Mean Annual Increment (MAI), % of fruiting trees, Leaf Area Index (LAI), altitude, and slope. The study results were analyzed using one-way variance analysis (ANOVA) and Duncan test with a 95% confidence level. The results showed that S. platyclados significantly had a higher diameter (32.7 cm), height (19.1 m), and mean volume (0.43 m3) compared to S. pinanga. The growth of S. platyclados, which locally known as meranti bukit is strongly supported by conditions in Gunung Dahu Research Forest, which has an altitude of about 800 m.asl. On the other hand, S. pinanga, as lowland species, showed lower growth compared to S.platyclados.
Co-Authors . Wahyudi . Yulianti Adisti Permatasari Putri Hartoyo Adytia Pradnya Murti Ahmad Iyyannanda Fatir Assifa Almulqu A.A, Elias Andi Sukendro Andry Indrawan Ayi Kulsum Zamzam Bambang Hero Saharjo Basuki Wasis Cahyo Wibowo Cahyo Wibowo Cut Ade Malinda Darwo Darwo Darwo Darwo Diana Prameswari Diana Prameswari, Diana Dida Syamsuwida Eggy Nugraha Ariansyah Exze Erizilina Febryandi Randana Gusti Dianda Sari Hana Afiana Henti H Rachmat Henti Hendalastuti Rachmat Henti Hendalastuti Rachmat I Indrawan Ika Heriansyah Irdika Mansur ISKANDAR ZULKARNAEN SIREGAR Iskandar Zulkarnain Siregar Istomo . Juniar Prayogi Khoryfatul Munawaroh Laswi Irmayanti Laswi Irmayanti Laswi Irmayanti, Laswi Lilla Mutia Meine Van Noordwijk Muhammad Reza Triatmojo Nining Nurfatma Nurheni Wijayanto Puspita Laksmi Maharani Putri Aurum Putri Aurum Rahmat Prasetia Rizki Ary Fambayun Rizki Mardhatillah Salma Khairunnisa Sri Wilarso Budi R Supriyanto Supriyanto Supriyanto Susanti . Susanti Susanti Tedi Yunanto Ulfah Juniarti Siregar