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ESTIMASI PARAMETER TEGAKAN HUTAN RAWA GAMBUT MENGGUNAKAN DATA SPEKTRAL CITRA LANDSAT 7 ETM+ DI KALIMANTAN TENGAH Estimation of Forest Stand Parameters using Spectral Data Landsat 7 ETM+ In Central Kalimantan: Raden Mas Sukarna, Cakra Birawa, Misrita Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 13 No. 01 (2019): Journal Agrienvi Volume 13, nomor, 01 Juni 2019
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTEstimation of forest stand parameters such as stand density, dominancy and frequency in a large areausing remotely sensed data has considerable significance for sustainable management and utility ofnatural resources. In practice, selecting suitable image data for such purposes remains difficult due to apoor understanding of forest stand parameters and remote-sensing spectral response relationships,particularly in Peat Swamp Forest (PSF) regions. This paper explores relationships between foreststand parameters and Landsat 7 Enhanced Thematic Mapper (ETM+) spectral responses throughForest Canopy Density (FCD) analyses of peat swamp forest in Central Kalimantan Indonesia. SevenETM bands and many biophysical indices are examined through integration of spectral responses andfield vegetation inventory data. Pearson’s correlation coefficients are used to interpret relationshipsbetween forest stand parameters and ETM data through FCD. This study concludes that FCD andstand density, stand dominancy and species frequency are most strongly correlated, and we canestimate standing stock of forest accurately.Keywords: forest canopy density; stand density, dominancy, frequency, peat swamp forest
NILAI EKONOMI SUMBER DAYA HUTAN ALAM SEKUNDER DI KABUPATEN KOTAWARINGIN TIMUR PROVINSI KALIMANTAN TENGAH: R.M. Sukarna, Santosa Yulianto, Reri Yulianti Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 12 No. 01 (2018): Vol 12 No 01 Juni Tahun 2018
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTThe rate of forest degradation and deforestation in Central Kalimantan Province between in 1991 to 2001 ± 3.3% peryears, between in 2000 to 2009 ±0,1% per years, between in 2009 to 2013 ±1,2% per years. These conditions havean impact on decreasing of economic value of upstream forestry sector in Indonesia in 2015 is equal to ± 1.5% ofGross Product Domestic. Gross Regional Domestic Product (GRDP) of Central Kalimantan Province to the commonagricultural sectors (agriculture, fisheries and forestry) in 2016 ± 22.1%. GRDP of common agricultural sector in EastKotawaringin District in 2014 ±23.85% with the contribution of the plantation sector ±19.25%. Low contribution offorestry sector to GRDP, it was supposed that the sector is less promising. This research aims to determineeconomic benefits value of secondary forests and lost value in case of forests conversion into oil palm plantations,rubber plantations and coconut plantations. This research conducted in East Kotawaringin District during ± 6 monthswith observation area covers 7 subdistricts through field survey and secondary data. The results showed that totaleconomic value (TEV) of secondary dry forest with large areas ± 20,800 ha ± Rp 769.4 billion per years, TEV ofsecondary swamp forest with large areas ± 12,900 ha ± Rp 453.6 billion per years, TEV of secondary mangroveforests with large areas ± 2,900 ha ± Rp 83.9 billion per yearsKeywords: Keywords: economic valuation, secondary forest, forest conversion, plantation
KOMODITI LOKAL POTENSIAL DI KAWASAN HIDROLOGI GAMBUT (KHG) KAHAYAN SEBANGAU KABUPATEN PULANG PISAU: Yuprin AD., Wilson Daud, Yanetri Asi, Johanna M. Rotinsulu, Zafrullah Damanik, Maria Haryulin Astuti., Inga Torang Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 12 No. 01 (2018): Vol 12 No 01 Juni Tahun 2018
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTActually, commodities that have been developed by communities were potential commodity because the communityhave considered the aspects of technical, economy and social. Nevertheless, some commodities developed by thesecommunities were still not optimal, thus it needs a feasible development model. The results showed that based onland type, local commodities in KHG Kahayan - Sebangau could be developed through three models, namely theintegration model of agro-silva-pastura-fishery on inland peat type, while in transition peat type was integration modelof agro-silva-pastura, and in coastal peat type was integration model of agro-silva-fishery.Keywords: Peat land, local commodities
PENDUGAAN CADANGAN KARBON DI ATAS PERMUKAAN TANAH PADA AREAL LAHAN GAMBUT EKSKEBAKARAN DI DESA TUMBANG NUSA, KABUPATEN PULANG PISAU: Yudha dan Afentina Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 12 No. 01 (2018): Vol 12 No 01 Juni Tahun 2018
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTThis study was conducted to determine the stored carbon stock, types of vegetation in the study sites andthe influence of forest fire. This research used standard method used by group of researchers whose joininginternational network: Alternative to Slash and Brun (ABS) with observation subplot 5 m x 40 m = 200 m2, vegetationbiomass measurements of 5 – 30 cm and > 30 cm (if any), biomass measurements of lower plants (understory, d < 5cm), measurements of necromass that present at the soil surface. This research was conducted at an ex-firedpeatland area of Tumbang Nusa Village, Cental Kalimantan. The results showed that vegetation biomass based onthe distribution of diameter class of 5 – 30 cm has a large biomass of 2,607.16 Mg ha-1 because in the 5 – 30 cmdiameter class the vegetation contained in it was a type of tree that has a large biomass content, whereas thenecromass was low i.e. 44.93 Mg ha-1, because few trees and woody necromass. The carbon stock in the study areawas 1,242.88 Mg ha-1; this figure was small.Keywords: Carbon Stock, biomass, necromass
KETERBUKAAN TANAH HUTAN BERSIFAT SEMENTARA DAN PERMANEN AKIBAT KEGIATAN PEMANENAN KAYU DI HUTAN ALAM PRODUKSI: Ajun Junaedi, Moh. Rizal dan Maria Chrissella Malango Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 12 No. 01 (2018): Vol 12 No 01 Juni Tahun 2018
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTOpenness of forest land due to timber harvesting is a loss of forest soil surface protection caused by logging,skidding, making forest road network, timber stockpiling, base camp and so forth. The aim of this research is tocalculate the percentage of forest land clearing due to temporary timber harvesting (tree felling, skidding, skid trailconstruction, TPn) and permanent nature (making of main and branch road network). The research was conducted atIUPHHK-HA PT Indexim Utama Central Kalimantan. The results show that the percentage of forest land clearing dueto timber harvesting is much higher (19.54%) than that of permanent (4.55%). Deforestation and main road makingactivities contributed the most to the percentage of temporary and permanent land clearing respectively by 10.66%and 3.94%.Keywords: Temporary and permanent, natural forest, forest land clearance, timber harvesting.
ANALISA EKONOMI PENGERINGAN IKAN HASIL TANGKAPAN NELAYAN TERHADAP POTENSI MALPRAKTEK MUTU PRODUK: Titis Istiqomah 1, Angky Soedrijanto, 2 Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 12 No. 01 (2018): Vol 12 No 01 Juni Tahun 2018
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTFish drying business from fisherman catch is the simplest and easiest type of business done by fishermenand their families who live in the coastal area. Dried fish has a well-ordered market segment with a continuous scaleof demand in a certain amount. Limitations of the number of requests that can not be increased in a short time andcertain result in high potential malpractice product quality in the process of drying fish. The study aims to prove thatmarket economic pressure is the cause of high risk of malpractice quality of dried fish products.The research method is descriptive phenomenalogis with analytical tool using approach of simple shift sharematrix. The research was conducted around TPI of Gisik Cemandi village of Sidoarjo Regency and Fishery Port ofNusantara in Brondong Village, Lamongan Regency; during January 2017 to March 2018. Observations to describethe phenomenon of potential malpractice begins with terrestris surveys using a closed questionnaire tool with predetermined respondents (purposive sampling) by researchers with local informants. The phenomenal description ofpotential product malpractice quality in shift share matrix was measured by Likert scale 1-10 to obtain a quantitativepicture of the rate of deviation suspected to occur at each observation point.The result of economic observation and analysis shows that the fisherman family of Gisik Cemandi village inSidoarjo does not have the potential of malpractice of dried fish product quality. The value of gap analysis shift shareabout potential malpractice of dry fish product quality> 6,0; with all factors positive. Fish drying business in BrondongVillage of Lamongan Regency is inversely proportional to Sidoarjo. The value of the gap analysis shift share onpotential malpractice of dried fish products <6.0 on 13 factors that trigger fish drying business to use preservativesand hazardous materials in the drying process of fish is very possible.Keywords: dried fish, quality, malpractice, Gisik Cemandi, Brondong, shift share
TEKNOLOGI SEDERHANA PEMBUATAN PELET DARI LIMBAH KAYU (Simple Technology of Making Pelets from Wood Waste): Wahyu Supriyati 1)*, Alpian1), dan Yanciluk1) Administrator Journal
Agrienvi: Jurnal Ilmu Pertanian Vol. 12 No. 01 (2018): Vol 12 No 01 Juni Tahun 2018
Publisher : Agrienvi: Jurnal Ilmu Pertanian

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ABSTRACTEnergy demand increase following to population growth, high exploration costs, rising of the world oil pricesand the difficulty of finding sources of energy fossil. These factors result to the government of many country toimmediately produce alternative energy that is renewable and environmentally friendly.Wood pellets are one source of alternative energy and the availability of raw materials is very easy to found.The raw materials of wood pellet are in the form of waste of exploitation such as the rest of logging, branches andtwigs, industrial timber waste such as scraps, sawdust and bark, agricultural waste. Waste developed into oneproducts will result in higher economic value.Simple technology of making pellets from wood waste is an alternative energy material to meet the energy needsof the community. The opportunity to develop wood pellets as fuel is very wide open because of Indonesia's forestpotential and the large of forest product waste, both from timber industry and.waste.from.exploitationKeywords : simple technology, pellets, wood, waste, energy
PERANAN EKSTRAK KASAR AKAR KUNING (Arcangelisia flava) Merr TERHADAP PENGOBATAN PENYAKIT MAS (Motile Aeromonac Septicemia) PADA IKAN MAS (Cyprinus carpio): Maryani1), Nursiah2) Administrator Journal
JOURNAL OF TROPICAL FISHERIES Vol. 11 No. 1 (2015): Journal Tropcical Fisheries. Vol, 11, No, 1 Juli 2015
Publisher : Jurusan Perikanan Fakultas Pertanian Universitas Palangka Raya (UPR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jtf.v11i1.266

Abstract

ABSTRAKAkar kuning, Arcangelisia flava Merr merupakan tumbuhan obat tradisional yang mengandung senyawa bioaktif yakni saponin,flavonoid, alkaloiddan terpenoid yang aktif sebagai bahan antimikroba. Penelitian ini bertujuan untuk mencari dosis yang tepatdalam penggunaan tumbuhan akar kuning dan mengetahui peranan tumbuhan akar kuning dalam mengobati serangan penyakitbakterial pada ikan mas (Cyprinus carpio). Penelitian pendahuluan dilakukan untuk mencari dosis tumbuhan akar kuning yangakan dipakai dalam penelitian utama. Pada penelitian pendahuluan masing-masing 10 ekor ikan direndam dengan konsentrasiekstrak 50 ppm, 100 ppm dan 150 ppm dan konsentrasi inilah yang dipakai pada uji utama karena konsentrasi tersebutmerupakan konsentrasi yang dapat ditolerir oleh ikan mas. Sebelum dimulai perlakuan penelitian ikan mas diadaptasikan denganmedia pemeliharaan berupa wadah toples 25 liter dengan volume air sebanyak 10 liter selama 7 hari. Parameter utama yangdiamati adalah respon makan, gejala klinissetelah penginfeksian meliputi peradangan, tukak, luka, perubahan fisik lain, refleksilari/gerak, tingkat kelangsungan hidup ikan uji serta kualitas air. Pengamatan gejala klinis dan kelangsungan hidupikandilakukan tiap 3 jam setelah direndam bersama bakteri pada hari pertama, setiap 6 jam pada hari kedua dan selanjutnya setiap12 jam pada hari ketiga hingga akhir pengamatan selama 14 hari. Hasil yang diperoleh selama penelitian adalah pemberianekstrak kasar tumbuhan akar kuning dengan dosis 100 ppm dan 150 ppm mempunyai peranan dalam pengobatan seranganpenyakit bakteri Aeromonas hydrophila pada ikan masyaitu reflek gerak dan respons makan positif, meningkatnya persentasetingkat kesembuhan ikan yang terserang penyakit meningkat masing-masing mencapai 63,33% dan 83,33 %. Selanjutnya, padakedua perlakuan tersebut pengobatan serangan penyakit bakteri Aeromonas hydrophila pada ikan maslebih tinggi jumlah ikanyang sembuh dan lebih cepat proses pemulihan. Sedangkan perlakuan dengan dosis 50 ppm dinilai tidak efektif dalampengobatan serangan penyakit bakteri Aeromonas hydrophila pada ikan maskarena reflek gerak dan respon makan kurang positif,persentase ikan yang sembuh akibat serangan penyakit MAShanya 6,67%, dengan tingkat kelangsungan hidup 53,33%. Dengandemikian tanaman akar kuning efektif dalam pengobatan penyakit akibat serangan bakteri Aeromonas hydrophila dengan rentangdosis yang direkomendasikan adalah 100 dan 150 ppm.Kata kunci: Arcangelisia flava Merr, bioaktif, Aeromonas hydrophila
KAJIAN SUBSTITUSI TEPUNG TAPIOKA DENGAN TEPUNG TERIGU DALAM PENGOLAHAN ROLADE IKAN PATIN (Pangasius sp.): Norhayani, Humairah, Ida Ratnasari Administrator Journal
JOURNAL OF TROPICAL FISHERIES Vol. 12 No. 2 (2017): Journal Tropcical Fisheries. Vol, 12, No, 2 desember 2017
Publisher : Jurusan Perikanan Fakultas Pertanian Universitas Palangka Raya (UPR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jtf.v12i2.267

Abstract

ABSTRAKPenelitian ini bertujuan untuk mengetahui pengolahan rolade ikan patin dengan substitusi tepung tapioka dengan tepung terigudan tingkat penerimaan konsumen, dan untuk mengetahui kandungan kimia yang terdapat dalam rolade ikan patin sertamemberikan sumbangan pemikiran atau alternatif dalam usaha diversifikasi produk olahan. Parameter yang diuji dalampenelitian ini meliputi uji kimia (kadar air, protein, karbohidrat, lemak dan abu) dan uji organoleptik (warna, aroma, rasa dantekstur). Rancangan yang digunakan yaitu RAL (Rancangan Acak Lengkap) dengan empat perlakuan yaitu perlakuan O (roladeikan patin tanpa substitusi tepung terigu, tepung tapioka 50% dari berat daging ikan), pelakuan A (rolade ikan patin dengansubstitusi tepung terigu sebanyak 10%, tepung tapioka 40%), perlakuan B (rolade ikan patin dengan substitusi tepung terigusebanyak 30%, tepung tapioka 20%) dan perlakuan C (rolade ikan patin dengan substitusi tepung terigu sebanyak 50%, tanpatepung tapioka). Pengujian kimia dilaksanakan di Balai Pengujian dan Sertifikasi Mutu barang Palangka Raya sedangkanpengujian organoleptik dilaksanakan di Laboratorium Teknologi Hasil Perikanan Universitas Palangka Raya. Berdasarkan hasiluji kimia, semua perlakuan berbeda sangat nyata. Nilai rata-rata terendah untuk kadar air adalah pada perlakuan B (53,29),sedangkan nilai rata-rata tertinggi untuk kadar protein adalah pada perlakuan C (16,30), nilai rata-rata tertinggi untuk kadarkarbohidrat adalah pada perlakuan O (27,85) sedangkan nilai terendah untuk kadar lemak adalah pada perlakuan O (1,32) dannilai rata-rata terendah untuk kadar abu adalah pada perlakuan O (2,03). Berdasarkan hasil uji organoleptik, semua perlakuantidak berbeda nyata. Nilai rata-rata teringgi untuk warna adalah perlakuan C (6,80), aroma adalah pada perlakuan B (6,93), rasaadalah pada perlakuan B (7,13) sedangkan tekstur pada perlakuan O dan A (7,00) dengan spesifikasi agak suka sampai suka.Berdasarkan perhitungan menggunakan metode indeks efektifitas, perlakuan A merupakan perlakuan terbaik dengan nilai 0,558.Kata kunci: Substitusi, tepung tapioka, tepung terigu, rolade, patin
UJI AKTIVITAS ANTIBAKTERI ALAMI DAUN Arcangelisia flava Merr TERHADAP BAKTERI Aeromonas hydrophila SECARA IN VITRO: Maryani1 , Yuli2 Administrator Journal
JOURNAL OF TROPICAL FISHERIES Vol. 12 No. 1 (2017): Journal Tropcical Fisheries. Vol, 12, No, 1 Juli 2017
Publisher : Jurusan Perikanan Fakultas Pertanian Universitas Palangka Raya (UPR)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36873/jtf.v12i1.268

Abstract

ABSTRAKPenelitian tentang uji aktivitas antibakteri daun Arcangelisia flava Merr. terhadap bakteri Aeromonas hydrophila secara in vitrodilakukan, mengingat banyak dijumpai penyakit pada usaha budidaya ikan air tawar terutama bakteri Aeromonas hydrophila.Penelitian ini bertujuan menemukan obat alternatif dengan bahan yang mengandung antibakteri yang diperoleh dari bahan kimiaalami, yaitu daun Arcangelisia flava Merr, yang diharapkan mampu menghambat pertumbuhan bakteri A. hydrophila yangmenyebabkan kematian pada ikan air tawar secara in vitro dan tidak menimbulkan resisten. Hasil uji fitokimia memperlihatkanbahwa Arcangelisia flava Merr terdeteksi mengandung senyawa metabolit sekunder yakni alkaloid, saponin, terpenoid danflavonoid. Semua senyawa aktif yang dikandung oleh Arcangelisia flava Merr. memungkinkan Arcangelisia flava Merr. untukdikembangkan sebagai antibakteri alami karena dapat menghambat pertumbuhan bakteri. Penelitian ini menggunakan metodedifusi dengan paper disk. Pada hasil pengamatan ini dapat diperoleh bahwa daun Arcangelisia flava Merr. mempunyai aktivitasmenghambat pertumbuhan bakteri A. hydrophila, dengan cara mengukur zona hambat yang ada pada sekitar paper disk.danmengetahui besar kecil zona hambat yang terbentuk di sekeliling paper disk. Hasil penelitian menunjukkan, pada konsentrasi 3gr/ml, 2 gr/ml, 1 gr/ml dan 0,5 gr/ml diameter yang dihasilkan 14 mm yang sesuai dengan standar umum antibiotik sepertiampicillin. Hal ini disebabkan pada konsentrasi 3 gr/ 2 ml, 2 gr/ml, 1 gr/ml dan 0,5 gr/ml mengandung zat antibakteri yang lebihbanyak dibandingkan pada konsentrasi 0,25 gr/ml dan 0,125 gr/ml, karena besar zona hambat yang dihasilkan 10 mm.Kata Kunci : Daun Arcangelisia flava Merr., Aeromonas hydrophila dan ampicilin
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