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Iskandar AM, .
Universitas Tanjungpura
Agriculture, Biological Sciences & Forestry

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POLA PENYEBARAN KANTONG SEMAR (Nepenthes spp.) DI KAWASAN GUNUNG SELINDUNG DESA TWI MENTIBAR KECAMATAN SELAKAU KABUPATEN SAMBAS Hagga, Arinsl; Herawatiningsih, Ratna; AM, Iskandar
JURNAL HUTAN LESTARI Vol 6, No 4 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i4.30130

Abstract

The Nepenthes is the herb and it can grow as liana or terrestrial. Community activities and dependence on the natural resources has its negative impact on the preservation of biodiversity and ecosystem. This study aim was to examine the dispersion pattern of nepenthes. The reseach used survey method with double plots technic give size of the plot 5 m x 5 m. Several data analyzes were applied on this research such as density, frequency, importance value index and Morisita Index. The results signify 3 species of Nepenthes, they are N. Reinwardtiana Miq, N. Mirabilis Druce and N. ampullaria Jack with a total number of individual nepenthes is 1.039, the southern part has 486 individual species of N. mirabilis Druce with clumped dispersion pattern. There are 17 individual species of N. mirabilis Druce (Uniform) and 102 individual species of N. reinwardtiana Miq with clumped dispersion pattern in the western part, there are 23 individual species of N. ampullaria Jack with clumped dispersion pattern in the eastern part, and 411 individual species of N. reinwardtiana Miq with clumped dispersion pattern. While in thes northern part, there was no Nepenthes found as the place is covered tightly by the canopy, sunlight is blocked. 1039 individual species of Nepenthes with clumped dispersion pettern found at the compass points (south, east, west) in order to achieve the sustainability and the ecosystem balance, therefore, it is expected thet the relevant agencies will give extra attention to the area.Keyword: Dispersion Pattern, Double Plots, Mirabilis Druce, Nepenthes spp, Selindung Mounth
KEARIFAN LOKAL MASYARAKAT DESA SUNGAI BAKAU BESAR LAUT DALAM PENGELOLAAN HUTAN MANGROVE KECAMATAN SUNGAI PINYUH KABUPATEN MEMPAWAH Pratama, Adidtia; Idham, M; AM, Iskandar
JURNAL HUTAN LESTARI Vol 6, No 1 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i1.25074

Abstract

The increasing of deforestation cause community awareness to sustain the forest expecially in Sungai Bakau Besar Laut Village, through local wisdom. It can prevent the occurence of violations that contribute to deforestation. Therefore, the purpose of study was to know the characteristics of the society (age, education, occupation, gender) and the role of local wisdom in the management of mangrove forests in the Sungai Bakau Besar Laut Village. This study was conducted for 2 weeks. The method in this study was the qualitative. The determination of sample used the snowball sampling with interview technique. The data were analized with descriptive qualitative. The results showed that the management of mangrove forests by Sungai Bakau Besar Laut community did not apply an unwritten rules but apply a written rules as local wisdom. An unwritten rules in the Sungai Bakau Besar Laut community included the robo - robo rituals and habits such as a decision making to be discussed, so it could solve the problems.Keyword : Local Wisdom, Mangrove Forest, Society.
RIAP DIAMETER TANAMAN MERANTI PADA SISTEM SILVIKULTUR TEBANG PILIH TANAM INDONESIA (TPTI) DAN TEBANG PILIH TANAM JALUR (TPTJ) DI AREAL IUPHHK-HA PT. SUKA JAYA MAKMUR KABUPATEN KETAPANG KALIMANTAN BARAT Selfiany, Widiya Octa; Muin, Abdurrani; AM, Iskandar
JURNAL HUTAN LESTARI Vol 5, No 2 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i2.19989

Abstract

Area of IUPHHK-HA PT. Suka Jaya Makmur has planted three types of Shorea (Shorea leprosula, Shorea parvifolia, and Shorea johoriensis) at silvicultural system TPTI and TPTJ. The present study aimed at identifying the diameter increment of Shorea leprosula, Shorea parvifolia, and Shorea johoriensis which were planted by using silvicultural system of Indonesian Selective Logging and Plantation (TPTI) and Selective Logging and Line Planting (TPTJ). Data collection was done through a technique called purposive sampling. Results of the discussion showed that the diameter increment of Shorea leprosula was bigger than two other types of Shorea i.e. Shorea parvifolia and Shorea johoriensis. The analysis also revealed that there was a difference of the diameter increment between silvicultural system of TPTI and TPTJ. The diameter of TPTJ increased faster i.e. 3.46 cm/year in comparison with TPTI which was only 1.02 cm/year. Keywords: diameter increment, silvicultural system TPTI and TPTJ, three types of Shorea.
PARTISIPASI MASYARAKAT DALAM PENCEGAHAN KEBAKARAN LAHAN GAMBUT (STUDI KASUS MASYARAKAT PEDULI API DI KECAMATAN RASAU JAYA, KABUPATEN KUBU RAYA) Yuhana, Wiji; AM, Iskandar
JURNAL HUTAN LESTARI Vol 5, No 4 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i4.23012

Abstract

Every year, especially during the dry season, Rasau Jaya subdistrict is always shrouded in smoke resulting from land and forest fires. Since 2004, the Government of West Kalimantan Province has encouraged community participatoin in prevention and control of fires, especially in areas prone to forest fires which become a major cause of smog in the area Rasau Jaya, but the causes of fires in agricultural land are still significant and have not yielded optimal result. Based on this fact, this research aims to find out the root of the problem and the causes of the ineffectiveness of the participation of the fires aware community in prevention of land fire. This research is a descriptive study. The main data in this study were obtained through interviews with saurces who know and are involved in effots of forest fires, and supported by the data of fieled observations The data were analyz using chi squere. The results showed that: (1) participation community MPA and non MPA in the prevention of land fire in the Kecamatan Rasau Jaya, Kab. Kubu Raya. every tall in prevention of land fire. (2) Relationship MPA and non MPA in the prevention of land fire, level knowledge, employment, and education, not relationship in the level cosmopolitan relationship in the level participation prevention of land fire. (3) using the prevention of land fire for community MPA revitalizing comonity MPA, with the government, for it non MPA controlled land burning.Keywords: Fire Ware Community, Peat Land, Rasau Jaya, Society Participation
PEMBERIAN ROOTONE F TERHADAP PERTUMBUHAN STEK BATANG PURI (Mitragyna speciosa Korth) Cahyadi, Okta; AM, Iskandar; Ardian, Hafiz
JURNAL HUTAN LESTARI Vol 5, No 2 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i2.19088

Abstract

Puri (Mitragyna speciosa Korth) is one of the plant that has a high economic value, especially in Kapuas Hulu which has been used extensively by the community by taking the leaf of the plant that grows naturally in the forest. This research aims to determine the dose of Rootone F on the growth of stem cuttings of puri. This research was conducted for 2 month. The method used was Completely Random Design, which consisted of 4 treatments with 8 repetitions. Each treatment wash given with concentration Rootone F of 0 ppm, 50 ppm, 100 ppm and 150 ppm. The variables measured were percentage of growing, number of shoots and number of roots. The results showed that adding Rootone F on stem cuttings of puri at 100 ppm had a significant effect on the growth parameter of the number of shoots and a very significant effect on the parameter of the number of roots. The growth percentage of the stem cuttings of puri was 72%.  Keywords: Interaction, Mitragyna speciosa Korh, Rootone F
SIKAP MASYARAKAT TERHADAP PERBURUAN DAN PERDAGANGAN ORANGUTAN (Pongo pygmaeus) DI DESA KEPARI KECAMATAN SUNGAI LAUR KABUPATEN KETAPANG Islami, Rinta; Fahrizal, .; AM, Iskandar
JURNAL HUTAN LESTARI Vol 5, No 1 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i1.18578

Abstract

Borneo orangutan (Pongo pygmaeus) was the only great apes that lives in Asia, one of in Indonesia. The Kepari village was one of distribution of orangutans in West Borneo, but the number of wild populations always decreased, based on the red list issued by IUCN in 2015, orangutan defined as animals that have endangered status, in addition to the orangutan was also listed in Appendix I CITES which means both animals and all products derived therefrom should not be traded anywhere. Success or failure of conservation undertaken by the government can’t be separated from the attitude of the community. This study aims to determine how public attitudes toward hunting and trade of orangutans and analyze the relationship between attitudes towards hunting and trade of orangutans with the level of perception, knowledge, and cosmopolitan. The results showed that people tend neutral attitude towards hunting and trade of orangutans, and the results of the analysis showed that the level of perception, knowledge, and cosmopolitan associated with public attitudes toward hunting and trade of orangutans. Keywords: Borneo orangutan, Hunting and Trade, Public Attitudes.
POTENSI PERTUMBUHAN MERANTI DI AREAL BEKAS TEBANGAN DENGAN SISTEM SILVIKULTUR TEBANG PILIH TANAM JALUR (TPTJ) DI PT. SUKA JAYA MAKMUR KABUPATEN KETAPANG KALIMANTAN BARAT Sari, Dewi Kartika; AM, Iskandar; Hardiansyah, Gusti
JURNAL HUTAN LESTARI Vol 1, No 3 (2013): Jurnal Hutan Lestari
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v1i3.4081

Abstract

The purpose of this study was to determine the increments of the diameter and height of the annual average of Red Meranti trees at different age intervals through the use of silvicultural Selective Cutting and Line Planting (TPTJ) carried out in the logged area of PT . Suka Jaya Makmur in Ketapang Regency of West Kalimantan. The research method applied was a single- plot method that is a method with a sampling plot representing every logged age by measuring the plants diameters and heights in the lane of the logged area of TPTJ line, and the sampling applied was purporsive sampling. The increments of the average diameter growth of Shorea johorensis species in planting forests were smaller than Shorea leprosula and Shorea Shorea parvifolia. Whereas there was no decline or incline in the diameter of that species in the natural forest that was staying in the same value at 0.59 cm/year. The average increments of the diameters of Shorea leprosula, Shorea johorensis, and Shorea parvifolia were 2.23 cm/year, 1.79 cm/year and 1.81 m/year respectively. Moreover, the height average increments of Shorea leprosula in the planting forest was 2,39 m/year and 0,53/year in the natural forest. The average increase in height of Shorea johorensis in planting forest was 1,93 m/year and 0,50 m/year in the natural forest, while for Shorea parvifolia species, there was an average increment of height of 1,92 m/year in planting forest and 0,58 m/year in the natural forest. Keywords: S. johorensis, S. leprosula, S. parvifolia, diameter increment and height increment
ESTIMASI KANDUNGAN KARBON TEGAKAN HUTAN DI ATAS PERMUKAAN TANAH PADA BERBAGAI KELAS TUTUPAN TAJUK DI HUTAN ADAT PENGAJIT KABUPATEN BENGKAYANG Kasianus, Robi; Astiani, Dwi; AM, Iskandar
JURNAL HUTAN LESTARI Vol 6, No 4 (2018): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v6i4.30123

Abstract

Forests are the largest component that is able to absorb carbon through photosynthesis process and store carbon in forests biomass per unit area. The aim of this study was to estimate the carbon that stored in above ground forest in Pengajit customary forest of Bengkayang regency. The method used in this study was non destructive by surveying the diameter and the species of forest. The results of this study showed that carbon stock of above groud forest in Pengajit customary forest was vary on each canopy cover class. The biggest carbon found at the dense canopy cover class was 299,74 tons/ha, and the medium canopy cover class had 235,67 tons/ha carbon stock, while the smallest carbon stock value was 55,89 tons/ha at the lowest canopy cover class. Total carbon stocks that found at the dense conopy cover class was 26.124,19 tons, the medium canopy cover class stored 1.397,53 tons, and the lowest canopy cover class had 428,25 tons. Pengajit customary forest as a whole saved 27.949,97 tons carbon stocks.Keywords : Canopy cover class, carbon stock, customary forest, forest stand
KEANEKARAGAMAN JENIS ANGGREK ALAM (Orchidaceae) BERDASARKAN KETINGGIAN TEMPAT DI GUNUNG POTENG CAGAR ALAM RAYA PASI KOTA SINGKAWANG PROVINSI KALIMANTAN BARAT Sesar, Novita Putri; M, Iskandar A; Manurung, Togar Fernando
JURNAL HUTAN LESTARI Vol 8, No 3 (2020): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v8i3.43429

Abstract

Natural orchids are one of the flora in Mount Poteng which is included of Raya Pasi Nature Reserve located at Singkawang City, West Kalimantan Province. Orchids have economic value for source of income and be beneficial to ecology that needs to be protected. The altitudes and environmental factors strongly affected the presence of orchid species.The research aims to record the diversity of natural orchids species based on the altitudes place in Mount Poteng. The research was conducted on February 28 until March 28, 2020. This research uses survey method. The research sample was taken using double plots method and to determine sample plots locations is conducted by purposive. The total number of the sample plots is 16 plots and each plot measure 20 by 50 meters. Based on the result of research found 19 species of natural orchids that consist of 348 individuals. The results analysis of the diversity index of orchid species in whole of altitudes at Mount Poteng is 1,338 that is included medium range. The highest species diversity index of 1,300 occurred at altitude of 400-500 m asl and the lowest species diversity index at altitude of 700-725 m asl that is 0,594. Orchid species which found in whole of altitudes is Dendrobium crumenatum. Furthermor, there were found the orchid species on certain heights are Cleisostoma scortechinii, Cordiglottis filiformis, Ludisia discolor, and Phalaenopsis pantherina at altitude of 400-500 m asl and species of Bromheadia finlaysoniana and Pomatocalpa latifolia found at altitude of 700-725 m asl.Keywords: altitudes, mount poteng, orchids, species diversity
PENGARUH DOSIS PUPUK NPK TERHADAP PERTUMBUHAN BIBIT JABON MERAH (Anthocephalus macrophyllus) PADA MEDIA CAMPURAN TANAH PMK, KOMPOS DAN PASIR Sukarminingsih, .; AM, Iskandar; Ardian, Hafiz
JURNAL HUTAN LESTARI Vol 5, No 3 (2017): JURNAL HUTAN LESTARI
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jhl.v5i3.21537

Abstract

The red jabon (Anthocephalus macrophyllus) is one type that has an important role in the forest and land rehabilitation activities, beacause the cycle is shorter so it can provide high production in short time. The purpose of this research is to get the dose of appropriate NPK fertilizer for the red jabon growth on mixed media ultisol soil, compost and sand. The problem is how many doses of NPK fertilizer should be given to the plant. This research is an experimental research prepared using Completely Random Design methode that which consisted of 6 treatment with 4 replication so there is a 24 unit experiments. Treatment without fertilizer is control (P0), fertilizer treatment of NPK with the dose 0,5 g plant/(P1), fertilizer treatment of NPK with the dose 1 g/plant (P2), fertilizer treatment of NPK with the dose 1.5 g/plant (P3), fertilizer treatment of NPK with the dose 2 g/plant (P4), fertilizer treatment of NPK with the dose 2,5 g/plant (P5). The result of research  showed treatment of giving NPK fertilizer with the kinds of dose on the red Jabon seed with mix media of ultisol soil, compost and sand (2:1:1) not yet the real effect to height, diameter and number of leaves.Keywords: compost, NPK, red jabon.
Co-Authors . Fahrizal Abdurrani Muin Anggara, Gayus Asmeliati, Asmeliati Bachrun Nurdjali Cahyadi, Okta Dimas, Ignasius Dwi Astiani Elisca, Elisca Fahrizal, M Fancora, Timur Febrianti Febrianti Friadi Indra Wodon Gusti Hardiansyah Hafiz Ardian Hagga, Arinsl Herwina, Dina Islami, Rinta Kasianus, Robi Kurniawan, M Agus M Idham, M Mala Nurilmala Muflihati, . Pratama, Adidtia Prawitmo, Albertus Purwati Purwati Qomariah, Ririn Ratna Herawatiningsih Selfiany, Widiya Octa Sesar, Novita Putri Sudirman Muin Sukarminingsih, . Togar Fernando Manurung Yuhana, Wiji