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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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Agroforestri Kelapa Sawit Sekala Kecil di Jambi dan Kalimantan Tengah: Hambatan dan Faktor-faktor yang Mempengaruhi Adopsi Ari Susanti; Hero Marhaento; Dwiko Budi Permadi; Budiadi Budiadi; Muhammad Ali Imron; Hermudananto Hermudananto; Handojo Hadi Nurjanto; Denni Susanto; Heri Santoso; Irfan Bakhtiar; Siti Maimunah
Jurnal Ilmu Kehutanan Vol 15 No 1 (2021): Maret
Publisher : Fakultas Kehutanan Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2014.066 KB) | DOI: 10.22146/jik.v15i1.1513

Abstract

Oil palm has become an important export commodity for Indonesia and has been cultivated by both smallholders and large scale companies mainly as monoculture plantations. Research suggests that this massive monoculture practice has led to adverse impacts on natural and social systems. Smallholders encounter difficulties to cope with extreme climate events such as long dry seasons, fluctuating commodity price and long-term tenure insecurity. We argue that oil palm agroforestry (OPAF) could become a promising and realistic alternative to deal with these problems under social forestry (SF) program. To date, OPAF has been adopted by merely small number of smallholders in Indonesia in a limited scale. This article aims at analysing the barriers and factors which influence the decision of smallholders in adopting OPAF. We employ a hybrid method which combines qualitative and quantitative analysis. Binary logistic regression models were constructed to identify factors influencing OPAF adoption. Our findings suggest that education, having side job and relative location of smallholders’ have significantly influenced smallholders’ decision in adopting OPAF. Knowledge gaps especially on the yields and management of OPAF have likely led to low OPAF adoption.
Optimalisasi Penggunaan Lahan dengan Sistem Agroforestri di Desa Ngancar, Ngawi: Land Use Optimization using Agroforestry System in Ngancar Village, Ngawi Winastuti Dwi Atmanto; Priyono Suryanto; Adriana Adriana; Ananto Triyogo; Eny Faridah; Daryono Prehaten; Budiadi Budiadi
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 8 No. 2 (2023): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v8i2.3938

Abstract

Most of the people live in Ngancar village, Pitu sub-district, Ngawi  district, East Java  are farmers. They cultivate crops not only on their privately-owned land but also on Perhutani’s forest land which is dominated by old teak stands. One of the problem in cultivating agricultural crops under old teak stands is the crown cover. It will significantly reduce the light intensity received by crops, and consequently decreasing the yield potential. Knowledge about the shade tolerant species and various silvicultural techniques should be understood and practiced by farmers, so that they can optimize the land use and achieve the high yield. Community service activities by Team of Silviculture Department, Faculty of Forestry UGM are carried out by establishing demonstration plot, maintenance, evaluation of plant growth and health, as well as problem identification and evaluation of successful cultivation under agroforestry system. Observation, focus group discussion, interview, questionnaire and counselling are implemented in order to collect related data and information. This community service activity uses descriptive qualitative approach. Outcome from this community service activity is recommendation of several shade tolerant species which can be cultivated under the old stands such as longan, avocado, and ginger. In addition, silvicultural treatment such as embroidery, weeding, and pest and disease control should be intensively managed  in agroforestry practice in order to achieve optimal yield productivity.
Keanekaragaman Jenis Semut pada Tingkat Perkembangan Lahan yang Berbeda: Pendekatan Fase Agroforestri Ananto Triyogo; Budiadi Budiadi; SM Widyastuti; Suwito Setyo Budi; Selly Varanita
Jurnal Ilmu Kehutanan Vol 13, No 2 (2019)
Publisher : Fakultas Kehutanan Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (313.083 KB) | DOI: 10.22146/jik.52364

Abstract

Tingkat perkembangan lahan umumnya diikuti dengan perubahan struktur vegetasi penyusun ekosistem yang ada didalamnya. Dalam perjalanannya, muncul intervensi yang dapat mempengaruhi tingkat perkembangan lahan baik mendukung ataupun menghambat. Salah satu bentuk intervensi yang dapat terjadi adalah berupa aktivitas pemanfaatan lahan, sistem agroforestri (AF). Pergeseran tingkat perkembangan lahan melalui pendekatan tingkat perkembangan AF diikuti perubahan vegetasi penyusun menuju kearah ekosistem yang mendekati ekosistem hutan. Dari sisi ekologi, bagaimana perkembangan AF berdampak terhadap struktur komunitas serangga penyusun di dalamnya, khususnya semut, penting diketahui. Penelitian ini dilakukan untuk mengetahui struktur komunitas semut yang menyusun ekosistem AF. Pengambilan data dilakukan di tiga tingkat AF (awal, tengah, dan lanjut) di musim kemarau (April, Mei, Juni, Agustus, dan September). Metode koleksi semut yang digunakan adalah pit-fall trap dan penangkapan langsung. Total diperoleh 7 jenis semut terdiri dari Odontoponera denticulate (Ponerinae), Odontomachus sp. (Ponerinae), Anaplolepis gracilipes (Formicinae), Pheidologeton sp. (Myrmicinae), Camponotus sp. (Formicinae), Polyrachis sp. (Forminae), dan Crematogaster sp. (Myrmicinae). Tingkat perkembangan AF tidak diikuti dengan perbedaan jenis semut namun berdampak pada kemelimpahan masing-masing jenis. Keanekaragaman jenis tertinggi serta jumlah individu semut terbesar berturut-turut ada pada AF tengah, awal, dan lanjut. Selanjutnya, terdapat 5 kelompok fungsional dengan variasi kemelimpahan berdasarkan perkembangan AF. Tingkat AF awal lebih sesuai untuk kelompok Generalized myrmicinae (GM),AF tengah untuk kelompok Dominant opportunist, dan AF lanjut untuk Forest opportunist (FO). The Diversity of Ants in Different Land Develompental: An Agroforestry Phase ApproachAbstractThe levels of land development process typically followed by changes in the vegetation structure of the ecosystems that comprises it. In a process, interventions whether artificial (human) or naturals were able to affect land development, either support or hinder. Some of the interventions that possible to occur are human activities through revegetation and land use, such as agroforestry practice (AF). The levels of land development through the shift of AF development phase common followed by changes in the vegetation inside. In terms of ecology, the mechanism of how the AF development phase affects the community structure is important to know. This research was conducted to determine the community structure of ants under the AF ecosystem and it is functional groups. In addition, we devided the AF system based on its developmental phase (early, middle, and advance). The data was obtained in the area of Nglanggeran, Gunung Kidul Regency of Yogyakarta during the dry season (April, May, June, August, and September). Meanwhile, method of ant collection utilized pit-fall trap and direct collection method. A total 7 species of ants were obtained consisting Odontoponera denticulate (Ponerinae), Odontomachus sp. (Ponerinae), Anaplolepis gracilipes (Formicinae), Pheidologeton sp. (Myrmicinae), Camponotus sp. (Formicinae), Polyrachis sp. (Forminae), and Crematogaster sp. (Myrmicinae). The AF phase are not followed by different species of ants but has an impact on the species abundance. The highest species diversity and the largest number of individual ants were found in middle, early, and advanced AF, respectively. Furthermore, there are 5 ant functional groups with variouss abundance based on AF phase. The early AF is more suitable for Generalized myrmicinae (GM) groups, middle for Dominant opportunist (DO) and GM groups, while advanced for Forest opportunist (FO) groups.
Pendugaan Simpanan Karbon pada Kawasan Rehabilitasi Pesisir Selatan Pulau Jawa Budiadi Budiadi
Jurnal Ilmu Kehutanan Vol 14, No 1 (2020)
Publisher : Fakultas Kehutanan Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (661.714 KB) | DOI: 10.22146/jik.57473

Abstract

Konservasi karbon merupakan salah satu tindakan penting dalam rehabilitasi pesisir, khususnya pesisir selatan Pulau Jawa dengan keunikan ombak yang besar, salinitas tinggi dan sedimen beragam. Penelitian dilaksanakan untuk menduga simpanan karbon dalam berbagai bagian pada areal pesisir tersebut, yang terdiri dari tapak tergenang (tegakan mangrove 14 tahun jenis Avicennia/AV, Rhizophora/RH dan campuran/MX, lahan sedimen/SD, rumput/GR) dan tapak kering berpasir tegakan Casuarina equisetifolia/CS umur 18 tahun. Tiga sampai sembilan petak ukur dibuat untuk pengamatan dan pengukuran vegetasi, serta pengambilan sampel tanah (kedalaman 0-20, 20-40 dan 40-60 cm), dan pengukuran tegakan. Biomasa pohon diestimasi dengan mengkonvesri diameter batang (DBH) menggunakan persamaan alometrik. Biomasa pohon dirubah menjadi karbon tersimpan menggunakan berat jenis kayu yaitu 0,464 untuk above-ground (AGC), dan 0,39 untuk below-ground (BGC), serta untuk menduga biomasa karbon total (TBC). Karbon organik tanah (COT) dianalisis secara terpisah, dan digabungkan dengan karbon biomasa untuk memperkirakan simpanan karbon dalam ekosistem. Hasil penelitian menunjukkan variasi yang tinggi dari pertumbuhan dan kerapatan pohon, khususnya pada tegakan mangrove, dengan kemampuan regenerasi yang rendah. Tidak ditemukan perbedaan yang nyata dari simpanan karbon pada biomasa antara tegakan mangrove dengan Casuarina. Rerata TBC pada mangrove adalah 46,08 Mg C/ha, sedikit lebih rendah daripada CS (51,50 Mg C/ha). Di bawah tanah (hingga kedalaman 60 cm), tapak tergenang (AV, RH, MX, SD dan GR) secara nyata menyimpan COT lebih besar daripada tapak kering (CS). Kedalaman tanah secara nyata mempengaruhi COT, namun pada tapak tergenang semakin dalam tanah maka COT semakin besar, sedangkan tren sebaliknya pada tapak kering. Perkiraan total karbon tersimpan adalah 248.52 (±87.21) Mg C/ha, dengan terendah pada CS (94.46 Mg C/ha) dan tertinggi pada MX (324.77 Mg C/ha). Rehabilitasi pesisir berpeluang meningkatkan simpanan karbon ekosistem karena adanya adanya biomasa pohon, dibandingkan tapak terbuka yakni SD dan GR. Pada tapak tergenang/tegakan mangrove sebagian besar simpanan karbon berupa COT, dan lebih sedikit ditemukan pada CS. Perbedaan karakteristik simpanan karbon ini memerlukan penanganan atau konservasi yang berbeda, tetapi sama-sama membutuhkan rehabilitasi dan regenerasi buatan yang intensif. Carbon Stock Estimation in the South Coastal Rehabilitation Area of Java IslandAbstractCarbon conservation is one of important actions for coastal rehabilitation, in particular in the south coast of Java Island with its unique characteristics of strong tide, high salinity and diverse substrates. The research aimed to estimate carbon stocks from various carbon pools in the coast rehabilitation area, including wetland sites (14-year-old mangroves of Avicennia/AV, Rhizophora/RH and mix mangrove/MX, mudflat-sediment/SD, grassland/GR) and dry-sandy site of 18-year-old Casuarina equisetifolia/CS. Three to nine plots were established for observing and measuring vegetation, as well as taking soil sample at 0-20 cm, 20-40 cm, 40-60 cm depths. Tree biomass were estimated by converting treestem diameter using allometric equation. The tree biomass were converted into tree carbon using carbon density of 0.464 for aboveground (AGC), and 0.39 for below-ground (BGC), and to estimate total biomass carbon (TBC). Soil organic carbon (SOC) was analyzed separately, and combined with biomass carbon to estimate total carbon stock in the ecosystems. High variation of tree growth and density were found, especially in mangrove stands, with a low level of natural regeneration. No significant difference of carbon stock in biomass between mangroves and Casuarina was observed. Average TBC in mangroves (46.08 Mg C/ha) was slightly lower than in CS (51.50 Mg C/ha). In below ground (up to 60 cm depth), wetland sites (AV, RH, MX, SD and GR) significantly stored more SOC than dry land (CS). Soil depth significantly affected SOC, but in wetland sites deeper soil contained more carbon than upper, while an opposite trend was observed in CS. Estimated total carbon stock in the coast was 248.52 (±87.21) Mg C/ha, with the lowest in CS (94.46 Mg C/ha) and highest in MX (324.77 Mg C/ha). Rehabilitation activities in the coast possibly improve carbon stock in the ecosystems due to tree biomass, compared to open sites of SD and GR. In the wetland or mangroves, most of carbon was observed as SOC, and less in the dry-land site. The different characteristics of carbon storage in the south coast need different conservation techniques, but both sites need intensive rehabilitation work and artificial regeneration.
STRATEGI PEMILIHAN JENIS TANAMAN UNTUK MENDUKUNG REHABILITASI PESISIR BERDASARKAN KARAKTERISTIK FISIK MAKRO DI MUARA SUNGAI PROGO (Strategy of Plant-Species Selection for Coastal Rehabilition Based on Macro-physical Characteristics in Progo Estuary) Budiadi Budiadi; Handojo Hadi Nurjanto; Suryo Hardiwinoto; Enggal Primananda
Jurnal Manusia dan Lingkungan Vol 23, No 3 (2016): September
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jml.18809

Abstract

ABSTRAKMuara Sungai Progo memiliki peran yang penting secara ekologis dan sosial-ekonomis bagi masyarakat Yogyakarta bagian selatan. Mengingat kondisinya kurang baik, maka dibutuhkan strategi rehabilitasi dengan jenis tanaman yang tepat. Penelitian ini bertujuan untuk memberikan arahan jenis tanaman yang sesuai untuk rehabilitasi pesisir muara Sungai Progo berdasarkan karakteristik fisik makro lahan. Penelitian ini menggunakan teknologi sistem informasi geografis (SIG) dengan metode digitasi dan overlay peta menggunkan software Arc GIS (ver. 10.0 ESRI) sebagai acuan analisis dan interpretasi peta kondisi muara selama 10 tahun terakhir, sehingga diketahui lokasi-lokasi yang tetap dari waktu ke waktu, dikombinasikan dengan pemetaan genangan air, salinitas dan sebaran jenis endapan. Lokasi penelitian adalah areal pasang surut yang relatif sempit (13,10 ha), namun berperan penting dalam rehabilitasi seluruh areal muara Sungai Progo (luas sekitar 100 ha). Berdasarkan kondisi ketergenangan air yang dipengaruhi arus yang lemah dan kadar salinitas, ditemukan relung-relung lahan basah yang sesuai untuk tanaman mangrove, terdiri dari lahan berpasir (2,49 ha) yang sesuai untuk jenis Avicennia marina, Rhizophora stylosa dan Ceriops tagal; serta berlumpur (0,89 ha) untuk jenis R. mucronata, R. apiculata, Bruguiera sp. dan Sonneratia alba. Pada lahan kering yang didominasi pasir (1,70 ha) direkomendasikan jenis Casuarina equisetifolia dan Pandanus tectorius; serta dominasi tanah (6,45 ha) dengan jenis produktif Callophyllum inophyllum dan kelapa. Dengan menanam jenis-jenis secara tepat dalam rehabilitasi jangka pendek, maka diharapkan akan berdampak baik pada rehabilitasi seluruh kawasan muara. ABSTRACTProgo estuary has an important ecological and socio-economic roles for communities in the South of Yogyakarta. Within a long time, the location is delayed in critical condition, and needs a proper rehabilitation strategy through selecting suitable species. The research aimed to recommend suitable species for coastal region of Progo estuary, based on study of macro-physycal characteristics of the site. The research conducted using GIS technology through digitation method and interpretation of map using Arc GIS (ver. 10.0 ESRI) fot the changes of Progo estuary in the last 10 years, determining the steady spots over time, and mapping wet areas, water salinity and distribution of the sediment. Research site is a small intertidal zone (13.10 ha), but plays important role to the whole rehabilitation program of Progo estuary (approximated 100 ha). Based on the mapping of wet area affected by slow wave and water salinity, it was determined niches of wet land that suitable for mangroves, consisted of sandy soil (2.49 ha) for Avicennia marina, Rhizophora stylosa and Ceriops tagal; and muddy soil (0.89 ha) for R. mucronata, R. apiculata, Bruguiera sp. and Sonneratia alba. On dry land dominated by sand (1.70 ha), the study recommends Casuarina equisetifolia and Pandanus tectorius; and on dry fertile soil with Callophyllum inophyllum and coconut. By planting the suitable species on the specific site, it will positively impacts on the rehabilitation program on the whole area of Progo estuary.
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