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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Agromet Jurnal Silvikultur Tropika (JST) MEDIA KONSERVASI Jurnal Penelitian Hutan dan Konservasi Alam Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat BERITA BIOLOGI Jurnal Hutan Tropika Jurnal Risalah Kebijakan Pertanian dan Lingkungan Jurnal Pusat Inovasi Masyarakat Jurnal Sylva Lestari Jurnal Ilmu Kehutanan
Istomo .
Departemen Silvikultur, Fakultas Kehutanan Dan Lingkungan, Institut Pertanian Bogor, Jalan Ulin, Kampus IPB Darmaga
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Materials Science & Nanotechnology Social Sciences

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Penyebaran Dan Karakteristik Habitat Jenis Rasamal (Altingia excelsa Noronha) di Taman Nasional Gunung Halimun Salak Istomo Istomo; Putri Novita Sari
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 9 No. 3 (2019): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.9.3.608-625

Abstract

Rasamala (Altingia excelsa Noronha) is one of the primary species in Halimun Salak Mountain National Park that grows in the lower mountain forests. In addition to the value of conservation, almost all parts of rasamala species can be utilized such as wood, leaves, fruit, and the canopy as a bird habitat. Information of natural distribution and habitat of rasamala are needed for conservation and cultivation purposes. The objectives of this research are to identify the distribution pattern and habitat characteristics of rasamala in  Halimun Salak Mountain National Park. Research was done by make square plots with 30x30 m2 size that spread in the area of Halimun Montain 15 plots and Salak Mountain 15 plots. The analysis used morisita index to know the distribution pattern of rasamala and linear regression analysis to determine the influence of environmental factors. The result showed that distribution pattern of rasamala was clumped. Environmental factors that affect the existence of rasamala encompass altitude above sea level, slope, temperature, humidity, soil C-organic content, and N-total where the most influential factor is the N-total content of the soil. F test results on regression showed that the variables tested in Resort Cikaniki simultaneously had no significant effect on rasamala density, while the variables tested at Kawah Ratu Resort had significant effect on rasamala density
Vegetative Propagation of Peat Forest Tree’s Geronggang (Cratoxylon arborescens (Vahl) Blume.) By Shoots Cutting Istomo Istomo; Atok Subiakto; Yuniar Safitri
Jurnal Silvikultur Tropika Vol 13 No 01 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.01.87-93

Abstract

Sistem stek merupakan sistem perbanyakan tanaman yang relatif sederhana dan menghasilkan bahan tanaman yang berkualitas baik dengan karakteristik yang sama dengan induknya dan membutuhkan waktu yang lebih singkat. Penelitian ini bertujuan untuk mendapatkan persentase stek hidup Cratoxylon arborescens dan mempelajari pengaruh zat pengatur tumbuh IBA 100 ppm, NAA 100 ppm dan IBA 50 ppm+NAA 50 ppm terhadap pertumbuhan stek pucuk Cratoxylon arborescens. Materi yang digunakan adalah pucuk bibit Cratoxylon arborescens dengan tinggi <1–1,5 m, IBA 100 ppm, NAA 100 ppm, IBA 50 ppm+NAA 50 ppm, dan alkohol 70% dengan media berupa cocopeat, sekam dan vermikulit. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan empat perlakuan yaitu IBA 100 ppm, NAA 100 ppm, IBA 50 ppm+NAA 50 ppm, dan kontrol. Setiap perlakuan terdiri dari 3 ulangan (masing-masing 50 stek). Hasil penelitian menunjukkan bahwa persentase pertumbuhan stek hidup Cratoxylon arborescens berkisar antara 51,11–70,37%. Perlakuan tidak menunjukkan pengaruh yang nyata terhadap lima parameter yaitu persentase stek hidup, panjang stek, berat basah akar, berat kering akar, dan berat kering pucuk. Namun pengaruh nyata ditunjukkan pada jumlah akar dan berat basah pucuk. Uji jarak berganda Duncan yang dilakukan untuk jumlah akar dan NAA 100 ppm menunjukkan pengaruh yang lebih baik daripada kontrol, sedangkan untuk berat basah pucuk pada IBA 100 ppm memiliki pengaruh yang sama dengan kontrol. Kesimpulan dari penelitian ini adalah persentase hidup stek Cratoxylon arborescens mencapai 70,37% dan penggunaan NAA 100 ppm dapat meningkatkan jumlah akar. Kata kunci: Cratoxylon arborescens (Vahl) Blume.), IBA, NAA, perbanyakan tanaman secara vegetative, sistem pemotongan
Pola Penyebaran, Karakteristik Habitat, dan Regenerasi Krangean (Litsea Cubeba Lour) Di Gunung Slamet, Jawa Tengah: Distribution Pattern, Habitat Characteristics, and Regeneration of Krangean (Litsea cubeba) at Mount Slamet, Central Java Istomo Istomo; Mufti Abdillah
HUTAN TROPIKA Vol 17 No 2 (2022): Volume 17 Nomor 2 Tahun 2022
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v17i2.5240

Abstract

Krangean (Litsea cubeba Lour) adalah salah satu jenis yang mendiami wilayah Gunung Slamet yang hampir semua bagian pohon krangean berpotensi sebagai penghasil minyak atsiri. Kondisi permudaan jenis ini di alam sulit di temukan sehingga diperlukan informasi mengenai preferensi ekologi yang tepat guna tujuan budidaya dan konservasi. Tujuan penelitian ini adalah mengidentifikasi komposisi dan struktur tegakan, pola sebaran, karakteristik habitat, dan regenerasi krangean (L. cubeba) di hutan lindung Gunung Slamet. Penelitian ini menggunakan metode analisis vegetasi dengan membuat plot berukuran 30 m × 30 m sebanyak 18 plot. Hasil penelitian menunjukkan pola persebaran krangean cenderung mengelompok (clump) dan kondisi regenerasi yang buruk karena hanya ditemukan pada tingkat tiang dan pohon. Kondisi habitat L. cubeba di Gunung Slamet berada pada ketinggian 1018-2032 mdpl dengan kelerengan curam hingga sangat curam (30 - 59,10%), suhu mulai 11℃ hingga 22,5℃, dan kelembaban 74 - 92%. Jenis tanah yang teramati adalah jenis tanah latosol dengan kategori pH agak masam. Faktor lingkungan yang diujikan tidak berpengaruh nyata pada luas bidang dasar (LBDS) krangean dengan R2 sebesar 55,37%.
The Effect of Types and Doses Compost Fertilizer on Ylang Ylang (Cananga odorata forma genuina) Seedling Growth Istomo Istomo; Ariyani Pramudita Utami
Jurnal Silvikultur Tropika Vol 13 No 02 (2022): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.13.02.123-130

Abstract

Savanna is the icon of Baluran National Park. The endemic species of Bekol Savana is bekol or bidara (Ziziphus mauritiana Lamk.). Emerge complication instant exotic like Acacia nilotica spread in Savanna for nature fire burning partition plant. Growth of A. nilotica is invasive so can be change nature conditition of savanna. The goals are to know composition structure and pattern distribution of Z. mauritiana in raise savanna and invasive savanna. Examination did with rectangular plot of analisis vegetation as purposive sampling in wide 20 m x 60 m in 10 plot each location. The result shows the structure in raise savanna is opened area and have density of grass is abundant than density tree is low and the invasive savanna is change to be closed A. nilotica forest. Density of Z. mauritiana in raise savanna is more which 3 364/ind/ha than invasive savanna is 260 ind/ha. Pattern distribution of Z. mauritiana in Bekol Savanna is clumped. Biofisic factors can be straddling of Z. mauritiana are open area, clay loam teksture, alkaline pH and arid season. Keywords: Bekol Savanna in Baluran National Park, Bidara (Z. mauritiana), pattern distribution, structure
Distribution Pattern of Pasang Species (Quercus sundaica Blume) in Mount Slamet Forest, East Banyumas Forest Management Unit Istomo Istomo; Nisa Armila
Jurnal Ilmu Kehutanan Vol 17 No 1 (2023): March
Publisher : Faculty of Forestry Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i1.5176

Abstract

Quercus sundaica (Q. sundaica), commonly known as Pasang, is a Fagaceae family member with a significant ecological and economic contribution to Indonesia. This research aimed to examine the abundance, distribution pattern, and physical growth environment of Q. sundaica. The data collection occurred in KRB (Baturraden Botanical Garden) and P7 (Pancuran 7) in the montane and sub-montane zones. The data analysis included vegetation and soil analysis. The KRB track in the montane zone had the highest Importance Value Index (IVI) with a higher density than the KP7 track.
Plant Diversity in Protected Area of IUPHHK-HT PT. Wana Hijau Pesaguan in Province West Kalimantan Istomo Istomo; Khalid Hafazallah
Jurnal Silvikultur Tropika Vol 14 No 01 (2023): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.14.01.30-38

Abstract

Protected area in plantation forest should be managed properly in order to sustainable development. One of the initial steps of the protected area management is by knowing the level of plant diversity which composing the community of its vegetation. The aim of this research is to measure plant diversity in protected area of IUPHHK-HT PT. Wana Hijau Pesaguan in Province West Kalimantan. Vegetation analysis is done at riverbanks, slope area more than 40% and conservation area of biodiversity. The result is that there are found 295 species of plants consisting 222 trees, 32 under storey plants, 38 lianas and 3 epiphytes. Shannon-Wiener diversity index (H’) values of trees with anystage of growth are about 3.02–4.41, which classified as high level of diversity. Under storey plants and lianas have H’ values about 1.00-3.22 which classified as mid level diversity. The diversity level of epiphytes are low to mid, with H’ values 0-1.04. Similarity Index value between all locations are low (less than 75%) except for epiphytes, which only in conservation area of biodiversity had different epiphytes composition comparing to the other sites. Key words: plant diversity, plantation forest, protected area, West Kalimantan
Growth of Dyera polyphylla and Shorea balangeran Seedlings on Various Growing Media for Restoration Program Lilis Setyawati; Istomo; Leti Sundawati; Hesti Lestari Tata
Jurnal Sylva Lestari Vol. 11 No. 2 (2023): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v11i2.711

Abstract

The success of peat swamp ecosystem restoration needs to be supported by the supply of good quality native plant species, one of which is influenced by the growing media. This study aimed to evaluate the effect of cocopeat, compost, and biochar as a mixture of peat media on the growth of Dyera polyphylla and Shorea balangeran seedlings in a greenhouse for six months. The experiment was carried out using a completely randomized design with one factor, growing media (100% peat as M1 (control); 70% peat + 30% cocopeat as M2; 70% peat + 30% compost as M3; and 70% peat + biochar 30% as M4). The survival rate of both types of seedlings in all growing media treatments was 100%. Dickson Quality Index (DQI) of D. polyphylla seedlings on M1, M2, M3, and M4 was 0.32, 0.29, 0.46, and 0.31, respectively, and for S. balangeran was 0.15, 0.10, 0.09, and 0.12, respectively. Adding cocopeat, compost, and biochar could increase the nutrient content of peat media. The growing media with the best quality for D. polyphylla was M3, while for S. balangeran was M1. Keywords: Dickson Quality Index, Dyera polyphylla, growing media, growth response, Shorea balangeran
The Composition of Forest Type and Structure at Bung Hatta Forest Park Conservation Area, West Sumatera Istomo Istomo; Prima Martha Dena
Jurnal Silvikultur Tropika Vol 14 No 02 (2023): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.14.02.132-139

Abstract

Menurut Undang-Undang Republik Indonesia Nomor 5 Tahun 1990, Taman Hutan Raya adalah kawasan pelestarian alam untuk tujuan koleksi tumbuhan dan atau satwa yang alami atau buatan. Komposisi dan struktur tegakan dapat digunakan untuk memperkirakan kepadatan pohon pada berbagai kelas diameter. Penelitian ini bertujuan untuk mengetahui komposisi dan struktur vegetasi yang terdapat pada blok kawasan pemanfaatan, perlindungan, dan koleksi. Penelitian dilaksanakan pada bulan Januari sampai Februari 2021 di Taman Hutan Raya Dr. Moh. Hatta Padang, Sumatera Barat. Hasil penelitian menunjukkan bahwa jenis yang dominan di blok kawasan perlindungan terdapat pada tingkat pohon adalah Glochidion obscurum. Pada blok kawasan pemanfaatan jenis dominan adalah Pinus merkusii, kemudian pada blok kawasan koleksi didominasi jenis Swietenia macrophylla. Nilai indeks keanekaragaman jenis (H') pada ketiga blok kawasan tersebut tergolong sedang dengan nilai H' antara 1-2. Sementara, nilai indeks kekayaan jenis tergolong rendah dengan nilai R1 < 3,5. Hasilnya ditemukan bahwa pola sebaran spesies bersifat mengelompok. Stratifikasi tajuk di Taman Hutan Raya Dr. Moh. Hatta berada pada stratum B dan C. Kata Kunci: indeks keanekaragaman (H'), tipe dominan, komposisi, indeks kekayaan (R1), struktur vegetasi
Konservasi In Vitro Jenis Tumbuhan Gambut Tumih (Combretocarpus rotundatus (Miq.) Danser) Istomo Istomo; Edhi Sandra; Vianti Vianti; Mufti Abdillah
HUTAN TROPIKA Vol 18 No 1 (2023): Volume 18 Nomor 1 Tahun 2023
Publisher : Jurusan Kehutanan, Fakultas Pertanian Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jht.v18i1.7867

Abstract

Tumih (Combretocarpus rotundatus (Miq.) Danser) is one of the local species recommended for disturbed peatland rehabilitation activities. This species can be classified as a fast-growing and tolerant type to dry and open conditions. The aim of this study is to identify the success of explant preparation techniques and tumih explant sterilization seen from the survival rate, contamination level, and browning level. The research was conducted at the Environmental Biotechnology Laboratory, Environmental Research Center (PPLH), IPB. The plant material used was tumih shoots that were sterilized using detergent, HgCl2, Clorox, and rinsed with sterile water. The explants were initiated on MS media with the addition of BAP, namely 0 ml/l; 0.5 ml/l; 1 ml/l; and 1.5 ml/l, and TDZ, namely 0 ml/l; 0.05 ml/l; 0.1 ml/l; and 0.5 ml/l. This study used 16 treatments with 7 replications. The results showed that the average survival rate percentage of tumih explants reached 22.32%, fungal contamination was 57.14%, bacterial contamination was 1.79%, and the average browning percentage in the explants was 18.75%. The preliminary study that has been carried out is categorized as successful, with 25 explants still maintaining green leaves and stems
The Composition and Structure at Wan Abdul Rachman Park Conservation Area, Lampung Istomo, Istomo; Ferliana, Erika
Journal of Tropical Silviculture Vol. 15 No. 01 (2024): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.15.01.1-8

Abstract

According to Law No. 5 of 1990 Grand Forest parks are conservation forests that function as nature conservation areas for the purpose of collecting natural and non-natural plants and animals, which are used for research, science, education that support cultivation, culture, tourism and recreation. The purpose of this study was to analyze the composition and structure of the stands in TAHURA Wan Abdul Rachman, Lampung in protection blocks, utilization blocks and collection blocks. The results of this study indicate that the number of species in the collection block is higher than the utilization and protection block. The species that dominated the three research blocks were Dalbergia latifolia, Durio zibethinus, and Tristaniopsis merguensis. The index value of species diversity (H') in the three blocks at the level of seedlings, saplings, poles and trees is in the medium criteria with a value of H'> 2, while the richness index is in the low category. Stratification of Tahura Wan Abdul Rachman's crown is in stratum B and C. Keywords: composition, dominant index, dominant species, vegetation structure, weath index
Co-Authors . Solichin Abdul Aziz Adisti Permatasari Putri Hartoyo Agus Hikmat Aji Nuralam Dwisutono Aji Nuralam Dwisutono Alvi Nadia Putri Andita Pradiastoro Andita Pradiastoro, Andita Ari Fardian Ariyani Pramudita Utami Atok Subiakto Atok Subiakto Atok Subiakto Azizah, Ummiati Bambang Hero Saharjo Basuki Wasis Berliyana, Cincy Bintang C. H. Simangunsong Cahyo Wibowo Detty Sumiyati Didik Suharjito Djoko Wahjono Edhi Sandra Elsa Widyastuti Endang Suhendang Erianto Indra Putra Eva Prihatiningtyas Fauzi Kiswantara Ferliana, Erika Fifi Gus Dwiyati Hamzah Hamzah Haris Arifiyanto Hidayat Haris Arifiyanto Hidayat, Haris Arifiyanto Herry Purnomo Hesti Lestari Tata Ida Sufaidah Irwansyah, Muh Yosrilrafiq ISKANDAR ZULKARNAEN SIREGAR Iwan Hilwan Karlina Fitri Kartika Khairia Nafia Khalid Hafazallah Lailan Syaufina Leti Sundawati Lilis Setyawati Lisdayanti Lisdayanti Ma'shum Afnani Mega Damayanti Meyrista Sekar Agta Putri, Nindhy Mia Afriyani Mufti Abdillah Mufti Abdillah Muhdin Niechi Valentino Nisa Armila Nong Ayu Eka Widyasari Nur Eliya Farida Nurheni Wijayanto Nuroh Bawaihaty Nurul Hidayati Permatasari Putri Hartoyo, Adisti Prijanto Pamoengkas Prima Martha Dena Putri Novita Sari Rachmat, Henti Hendalastuti Rahaju, Sri Rahmadianto, Susilo Ramdhani Fitriansyah, Muhammad Rendra Piscestria Nugraha Rhomi Ardiansyah Rizki Mardhatillah Sandy Ghifary Sri Rahaju Sri Wilarso Sri Wilarso Sri Wilarso Budi Susanti, Cindhy Susilo Rahmadianto Syafda Roswandi Tarma Purwanegara Ujang Suwarna Vianti Vianti Wahyu Hartarto Yadi Setiadi Yuli Sunarti Yuniar Safitri