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Ambar Tri Ratnaningsih, Ambar Tri
Universitas Lancang Kuning

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NILAI MANFAAT EKONOMI AIR HUTAN LARANGAN ADAT RUMBIO Insusanty, Enny; Ratnaningsih, Ambar Tri
Wahana Forestra: Jurnal Kehutanan Vol. 10 No. 2 (2015)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v10i2.228

Abstract

This study aims to determine the estimated economic value of water in Rumbio Forest Indigenous Prohibition for domestic use existing community around the forest. The method of data collection is done in a survey by random sampling. The economic value of water for domestic use Rp 347 871 206 per year. Willingness to pay (WTP) is Rp1.907.657.086 per year in order to obtain the consumer surplus of Rp 1,559,785,880 per year. In addition there are 13 businesses sales of water to three villages around the Rumbio forest indigenous prohibition.
PENGARUH PUPUK KOMPOS DARI LIMBAH PADAT INDUSTRI PULP DAN KERTAS TERHADAP PERTUMBUHAN Eucalyptus pellita Lesmana, Muhammad Reza; Ratnaningsih, Ambar Tri; Suhesti, Eni
Wahana Forestra: Jurnal Kehutanan Vol. 12 No. 2 (2017)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v12i2.223

Abstract

The pulp and paper industry produces liquid waste in its production process. Liquid waste in solid form of sludge can be utilized as compost fertilizer. Research conducted at PT. Indah Kiat Pulp and PT Arara Abadi Rasau Kuning District, Riau Province. The aim of this research is to know the effect of compost fertilizer from pulp and paper industry waste on Eucalyptus pellita growth and to determine the most appropriate dose of compost for growth of Eucalyptus pellita. The research method was done by applying compost in 3-month Eucalyptus pellita with dosage of o gram, 750 gram, 1000 gram and 1250 gram. Parameters measured over 3 months were plant height, plant diameter and number of leaves. Provisi on of compost fertilizer from pulp and paper industry waste has no significant effect on Eucalyptus pellita growth. Visually, the most appropriate dose of compost for the growth of Eucalyptus pellita is a dose of 1000 grams.
ANALISIS FINANSIAL HASIL HUTAN BUKAN KAYU (HHBK) KARET DAN DURIAN DI KABUPATEN SIAK Insusanty, Enny; Ratnaningsih, Ambar Tri; Prastyaningsih, Sri Rahayu
Wahana Forestra: Jurnal Kehutanan Vol. 12 No. 2 (2017)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v12i2.219

Abstract

Non-Timber Forest Products (NTFPs) are part of an ecosystem that has diverse roles both for the natural environment and for humans. NTFPs that are commonly used and commercialized include sandalwood, sap, gaharu, sago, rattan, aren, bamboo, medicinal plants and fruit plants. The purpose of this research is to perform financial analysis and feasibility of HHBK especially rubber and durian. The method used is survey method with purposive sampling to rubber farmer and durian in Siak Regency. The analysis of research data is descriptively qualitative. The results showed that rubber value of NPV Rp 7.076.819.809, -, BCR 2.24 and IRR 15.09% while durian has NPV Rp 738.553.324, - BCR 2.00 and IRR 13.67%. Based on the criteria of financial feasibility indicators can be concluded that the rubber cultivation and durian business financially feasible to be developed.
DAMPAK KEBAKARAN HUTAN GAMBUT TERHADAP SUBSIDENSI DI HUTAN TANAMAN INDUSTRI Ratnaningsih, Ambar Tri; Prastyaningsih, Sri Rahayu
Wahana Forestra: Jurnal Kehutanan Vol. 12 No. 1 (2017)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v12i1.200

Abstract

Forest fires in peat soils will affect hydrological characteristics and hydrological cycles. Industrial Plantation Forest in Riau Province is mostly located in peat soil. This study aims to measure the impact of forest fires on peat subsidence and water table level. The research location is located in industrial forest plantation located in Bengkalis Regency , Riau Province. The method of research is to install piezometer and iron rod stuck into the soil to penetrate the mineral soil layer, then the iron that appears on the surface of the soil is made permanent sign for reference in monitoring the altitude cha nge of the surrounding surface (subsidency). The fire peat forest has a depth of 12.21 cm month-1down water level from the peat surface while in the unburned area 10 cm month-1. In the burnt area the rate of peat surface decline is 0.159 cm month-1 while the unburned area is 0.119 cm month-1.
IMPLIKASI TERBITNYA UNDANG-UNDANG NOMOR 23 TAHUN 2014 TERHADAP PEMBANGUNAN KESATUAN PENGELOLAAN HUTAN DI PROVINSI RIAU Suwarno, Eno; Ratnaningsih, Ambar Tri; Insusanty, Enny
Wahana Forestra: Jurnal Kehutanan Vol. 11 No. 1 (2016)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v11i1.132

Abstract

The issuance of the Law No. 23 of 2014 on Regional Government instead of Law No. 32 of 2004 carries implications for FMU development in the area. This study aims to (1) assess changes in the content of Law No. 23 of 2014 compared with the previous regulations in managing the affairs of the forestry sector; (2) assess the implications of these changes to the rules under which the current level is the reference FMU development; and (3) assess the implications of these changes to the processes of FMU development in Riau Province. The study was conducted in December 2014 -May 2015, with research sites in the city of Pekanbaru and the district of Kampar, Riau Province. The method used is the content analysis of the rules and interviews with some stakeholders. The substantial changes of the Law No. 32/2004 to Law No. 23/2014, in the new regulations authorizes the establishment of the organization KPHL / KPHP everything under the authority of the provincial government, no longer under the authority of district governments. The implications of the transfer of authority, the regulations that the legal basis and the establishment of institutions KPHL / KPHP i.e. the Government Regulation (PP) No. 38/2007 and Rule of th e Interior Minister (Permendagri) No. 61/2010 can not be a reference again. In addition it also affects the initiative and formation process KPHL / KPHP by Regency stagnated.
POTENSI KARBON DI SUAKA ALAM ALAHAN PANJANG BLOK MANGGANI PROVINSI SUMATERA BARAT Chandra, Edi; Hadinoto, Hadinoto; Ratnaningsih, Ambar Tri
Wahana Forestra: Jurnal Kehutanan Vol. 10 No. 1 (2015)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v10i1.615

Abstract

Indonesia berperan dalam mengurangi emisi gas rumah kaca karena mempunyai hutan luas yang mampu menyerap dan menyimpan karbon dalam biomassa hutan cukup besar. Penelitian ini bertujuan untuk menduga potensi karbon yang terdapat di Suaka Alam Alahan Panjang Nagari Koto Tinggi Provinsi Sumatera Barat. Penelitian dilaksanakan pada plot ukuran 20 m x 100 m sebanyak tujuh buah plot pengukuran dengan intensitas sampling sebesar 0,056 % dari luas total luas kawasan hutan yaitu 2.500 ha. Pada setiap plot pengukuran diambil data diameter pohon ≥ 5 cm < 30 cm dan diameter pohon ≥ 30 cm serta pengambilan tumbuhan bawah pada plot ukuran 1 m x 1 m. Dan pengambilan serasah kasar dan serasah halus dengan ukuran plot 0,5 m x 0,5 m. Selanjutnya dilakukan pendugan potensi karbon dengan persamaan Allometrik : B = 0,118 x D 2,53. Setelah menghitung karbon dengan rumus C = 50% dari total biomassa. CO2 yang diabsorsi digunakan rumus CO2 = C x 3,67. Dari hasil penelitian jumlah vegetasi yang diameter ≥ 30 cm berjumlah 98/1,4 ha = 70 vegetasi/ha, dengan rata-rata diameter 45,67 cm. Vegetasi yang berdiameter ≥ 5 cm < 30 cm berjumlah 163 vegetasi/0,14 ha = 1.164/ha. Total simpanan karbon dari komponen tegakan pohon sebesar 182 ton/ha, tumbuhan bawah sebesar 2,6 ton/ha, serasah kasar sebesar 10,139 ton/ha, serasah halus sebesar 34,8 ton/ha. Sehingga total karbon di Suaka Alam Alahan Panjang Blok Manggani sebesar yaitu 114,769 ton/ha. Jumlah CO2 yang diabsorsi sebesar yaitu 3 x 114,769 ton/ha = 421,204 ton/ha. Kata kunci : biomassa, karbon, vegetasi
RENDEMEN KAYU KARET RAKYAT DAN SENGON PADA PRODUKSI VENEER CORE PLYWOOD Asmunriyan, Raja; Yanti, Rina Novia; Ratnaningsih, Ambar Tri
Wahana Forestra: Jurnal Kehutanan Vol. 10 No. 1 (2015)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v10i1.616

Abstract

Suplai bahan baku industri plywood pada saat ini terbatas karena kondisi hutan alam yang tidak memungkinkan lagi untuk memenuhinya. Salah satu upaya yang ditempuh untuk memenuhi kebutuhan bahan baku adalah mencari sumber bahan baku yang berasal dari hutan tanaman, hutan rakyat ataupun perkebunan diantaranya tanaman Karet rakyat dan Sengon yang dimanfaatkan sebagai bahan baku veneer core. Perbedaan jenis bahan baku veneer core akan menghasilkan perbedaan rendemen. Penelitian ini bertujuan untuk membandingkan rendemen kayu karet rakyat dan sengon dalam pembuatan veneer core di industri plywood PT. Ewan Superwood yang terletak di Propinsi Riau dan menentukan faktor-faktor yang mempengaruhi rendemen . Populasi penelitian ini adalah kayu karet rakyat dan sengon dengan mengambil sampel sebanyak 60 batang yang terdiri dari 30 batang kayu karet rakyat dan 30 batang kayu sengon yang diambil secara acak. Rata -rata nilai rendemen veneer core yang berasal dari Kayu Karet Rakyat adalah 66,63 %. Rata -rata nilai rendemen veneer core yang berasal dari Kayu Sengon adala h 74,65 %. Faktor yang mempengaruhi rendemen veneer core pada kayu karet adalah Kondisi bahan baku ,diameter, keselindrisan dan cacat kayu yang disebabkan oleh bekas sadapan. Sedangkan pada kayu sengon dipengaruhi oleh adanya empelur yang rapuh. Kata kunci : Rendemen, plywood, vener core, kayu karet, kayu sengon
PEMETAAN DAERAH RAWAN KEBAKARAN HUTAN DAN LAHAN DENGAN MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS (STUDI KASUS: KECAMATAN BUKIT BATU, KAB. BENGKALIS) Putra, Ajriansyah; Ratnaningsih, Ambar Tri; Ikhwan, Muhammad
Wahana Forestra: Jurnal Kehutanan Vol. 13 No. 1 (2018)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v13i1.1555

Abstract

This study aims to map the level of vulnerability of forest and land fires in an effort to support the realization of forest fire management strategy in Bengkalis Regency by considering land cover aspects, soil type, rainfall, height of place and settlement distance. This research was conducted in Bukit Batu sub-district, Kab. Bengkalis. This research uses survey method in collecting secondary data and primary data. The data analysis was done with each observation parameter. The results of this study indicate that the level of fire vulnerability in Bukit Batu Subdistrict is divided into two classes, namely very high and high vulnerability. Most of Bukit Batu sub-district has a very high level of vulnerability. High vulnerability area has 27,533,611 Ha (22,49%) and very high 94,915,83 (77,51%). Where the determining factor that plays a major role in influencing the high level of vulnerability in a location that is land cover, rainfall, and soil type.
RENDEMEN DAN KUALITAS MINYAK ATSIRI EUCALYPTUS PELLITA PADA BERBAGAI WAKTU PENYIMPANAN BAHAN BAKU Ratnaningsih, Ambar Tri; Insusanty, Enny; Azwin, Azwin
Wahana Forestra: Jurnal Kehutanan Vol. 13 No. 2 (2018)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v13i2.1563

Abstract

Forest harvesting waste in the form of Ecalyptus pellita leaves can be utilized to be essential oil by distillation process. The research aimed to 1) to know the effect of duration of leaf storage on yield and quality of essential oil produced, 2). Comparing the quality of E.pellita leaves essential oil with eucalyptus oil according to SNI. Methods taken by taking E. pellita leaf waste were then stored for 1,2,3,4,5 and 6 days then steam distillation and measured rendemen, specific gravity, sineol content and refractive index. The average oil yield of E.Pellita is 0.15% with the highest yield of 0.4593% in leaves stored for 3 days. The best essential oil quality comes from leaves that have been stored for 3 days with specific gravity of 0.9186, 60% sineol content, refractive index 1.4603 and 80% alcohol solubility by 1: 1.
ANALISIS KEBUTUHAN KAYU BAKAR UNTUK PEMBAKARAN BATU BATA DI KECAMATAN RUMBAI, KOTA PEKANBARU Insusanty, Enny; Sadjati, Emy; Ratnaningsih, Ambar Tri
Wahana Forestra: Jurnal Kehutanan Vol. 13 No. 2 (2018)
Publisher : Fakultas Kehutanan Universitas Lancang Kuning

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31849/forestra.v13i2.1565

Abstract

This study aims to find out the needs of wood for brick making in Kecamatan Rumbai and to analyze the revenue and the contribution of the cost of wood fuel for brick making. The method used in this study is the survey method in the form of interviews to brick making business owners and field observation and calculate the needs of firewood and brick production. The average brick production of each factory is 65,000 bricks per 2 months with the amount of firewood required 20.5 m3 so for the year it takes 123 m3. For all existing factories in Muara Fajar village with the number of 80 factories is required bricks as much as 9,840 m3 per year. Components of fuel wood as fuel reached 34.9% of production costs with total cost of production (2 months) is Rp 11,448,750 and the profit earned by craftsmen is Rp 1,518,750.