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Geothermal Energy Utilization in the Kamojang Nature Reserve, West Java, Indonesia Dahlan, Endes N; Putiksari, Vella; Prasetyo, Lilik Budi
Forum Geografi Vol 29, No 2 (2015): Forum Geografi
Publisher : Universitas Muhammadiyah Surakarta

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Abstract

Geothermal energy activities are allegedly disturbing Kamojang Nature Reserve by clearing the forest. Actually, the national park according to the Law No. 41 of 1999, must not jeopardize the preservation of germplasm in it. Meanwhile, the utilization of geothermal power plant in the area is also required to meet the electricity demand in Indonesia. Land clearing as one of the activity of exploration and exploitation of geothermal coupled with the increasing of human’s activity inside the forest caused widespread deforestation. Since there is a geothermal energy project inside the Kamojang Nature Reserve, then the aim of this study is to analysis the land cover change at Kamojang Nature Reserve from year 2000 until 2011. The research showed that the type of land cover was dominated by forest for about 4231.3 ha with forest cover percentage around 51.17%. Aside of that, the land cover change caused by exploration and exploitation of Pertamina Geothermal Energy was 60.2 ha (8.90 %), while the changes caused by human activities was 614.46 ha (91.10 %). Based on these results, replanting had been done to overcome the worse effect from each activities. The extent of reforestation and enrichment conducted by PGE was 680.58 ha by involving the society who live in surrounding area.
VEGETATION ANALYSIS AND POPULATION STRUCTURE OF PLANTS AT MOUNT ENDUT FORESTED AREA, GUNUNG HALIMUN SALAK NATIONAL PARK, BANTEN, JAVA, INDONESIA Sambas, Edy; Kusmana, Cecep; Prasetyo, Lilik Budi; Partomihardjo, Tukirin
REINWARDTIA Vol 17, No 1 (2018): Vol.17 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2159.751 KB) | DOI: 10.14203/reinwardtia.v17i1.3539

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SAMBAS, E. N., KUSMANA, C., PRASETYO, L. B. & PARTOMIHARDJO, T. 2018. Vegetation analysis and population structure of plants at Mount Endut forested area, Gunung Halimun Salak National Park, Banten, Java,Indonesia. Reinwardtia 17 (1): 39–53. — Study of vegetation structure and species composition at Mount Endut was carried out by using transect and plot methods. Data of trees, saplings and seedlings were enumerated from four transects measuring 10 m × 2,000 m in four directions of slopes i.e. North, South, East and West. In total there were 180 species of trees and saplings belonging to 105 genera and 51 families. Tree density and basal area indicate the variation and the differences in each of the sampling locations. Density of saplings and abundance of seedlings tend to be low in locations with high density and basal areas at tree level. Tree species having higher Importance Value were Castanopsis acuminatissima, Schima wallichii, C. argentea, Quercus gemelliflora, and Altingia excelsa. Castanopsis acuminatissima, Garcinia rostrata, S. wallichii, Symplocos cochinchinensis, and Prunus arborea were saplings which had highest density, while Ophiorrhiza marginata, Cyathea contaminans, Pinanga coronata,C. acuminatissima, and G. rostrata were the most abundant listed seedlings at the study site. At least 27 tree species (21.91%) were recorded as relatively rare (presence represented by only 1–2 individuals), thus requiring special attention in the management of the area.
Impact of Invasive Ant Species in Shaping Ant Community Structure on Small Islands in Indonesia Rizali, Akhmad; Rahim, Abdul; Sahari, Bandung; Prasetyo, Lilik Budi; Buchori, Damayanti
JURNAL BIOLOGI INDONESIA Vol 7, No 2 (2011): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v7i2.3083

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Dampak Invasiv Species Semut pada Pembentukan Struktur Komunitas Semut di Kawasan Pulau-Pulau Kecil di Indonesia. Peneletian tentang pengaruh spesies invasif di kawasan pulau-pulau kecil menjadi perhatian konservasi yang sangat penting,teristimewa pengaruhnya terhadap fauna lokal dan teristimewa untuk semut-semut endemik yang menjadi kajian pada penelitian ini. Pada kajian ini penelitian dilakukan di tiga pulau yaitu Pulau Bokor, Rambut dan Untung Jawa. Semut diambil menggunakan metode pitfall trap. Metode penghitungan dengan model korelasi dan linier digunakan untuk mengukur penyebarannya secara acak di setiap pulau. Diperoleh tiga species invasif dua diantaranya yaitu Solenopsis geminata dan Paratrechina longicornis dapat dijumpai di ketiga pulau tersebut sedangkan untuk Anoplolepis gracilipes hanya dijumpai di Pulau Rambut. A. gracilipes dan S. geminata merupakan spesies yang melimpah dan komposisi keterdapatannya berkorelasi dengan faktor habitat (F2, 52 = 19.469, p<0.001).Kata kunci: Semut, keragaman jenis, spesies invasif
Respon Ukuran Kelompok terhadap Efek Tepi dan Kepadatan Populasi Surili (Presbytis comata) pada Hutan Dataran Rendah dan Perbukitan di Kabupaten Kuningan Supartono, Toto; Prasetyo, Lilik Budi; Hikmat, Agus; Kartono, Agus Priyono
ZOO INDONESIA Vol 25, No 2 (2016): Desember 2016
Publisher : Masyarakat Zoologi Indonesia

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Ekosistem hutan dataran rendah memiliki peranan penting bagi konservasi keanekaragaman hayati. Fragmentasi yang menyebabkan terpecah-pecahnya hutan alam dan memicu terjadinya efek tepi telah menjadi kendala dalam pelestarian populasi. Memahami pengaruh habitat tepi terhadap ukuran kelompok surili (Presbytis comata) dan tersedianya data kepadatan populasi sangat penting dalam konservasi populasi. Ukuran kelompok dapat menjadi indikator kualitas habi-tat. Akan tetapi, respon kelompok terhadap tepi hutan belum banyak diketahui dan informasi kepadatan populasi surili pada ekosistem hutan dataran rendah juga masih terbatas. Penelitian ini bertujuan menganalisis ukuran kelompok surili (Presbytis comata), pengaruh tepi hutan terhadap ukuran kelompok, dan kepadatan populasi surili. Pengumpulan data dilakukan pada tutupan hutan yang mencakup hutan alam, hutan tanaman, dan kebun campuran, dengan total panjang jalur 59 km di kelompok hutan Gunung Subang, Kabupaten Kuningan. Penelitian ini menemukan bahwa ukuran ke-lompok surili bervariasi dari 2 sampai 22 dengan rata-rata 8,52 individu. Rata-rata ukuran kelompok surili tidak berubah sejalan dengan bertambahnya jarak dari tepi hutan. Kepadatan populasi surili pada interval kepercayaan 95% berkisar 44,39 – 82,36 dengan rata 60,47 ind/km2. Hasil penelitian ini dapat menjadi pertimbangan dalam penyusunan strategi konservasi populasi surili pada ekosistem hutan dataran rendah yang merupakan kumpulan dari sisa hutan alam, hutan tanaman, dan kebun campuran.
Populasi dan Kesesuaian Habitat Langkap (Arenga obtusifolia Mart.) di Cagar Alam Leuweung Sancang, Jawa Barat Usmadi, Didi; Hikmat, Agus; Witono, Joko Ridho; Prasetyo, Lilik Budi
JURNAL BIOLOGI INDONESIA Vol 11, No 2 (2015): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1307.549 KB) | DOI: 10.14203/jbi.v11i2.2194

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ABSTRACTThe growth and regeneration of langkap in natural habitat is very fast and has invasive tendencies. The aim of study was to analyze the population and population structure of langkap in Leuweung Sancang Nature Reserve, and build spatial models of habitat suitability langkap in Leuweung Sancang Nature Reserve. Data were collected using a sampling method with a number of plots along the transect line. Langkap has become the dominant species in Leuweung Sancang Nature Reserve on saplings and pole with population structure shows an normally structure population. Analysis of spatial modelling on habitat suitability of langkap through binary logistic regression with independent variables in the form of the Forest Canopy Density (FCD), slope, distance from the river and Normalized Difference Moisture Index (NDMI) has been able to predict habitat suitability of langkap in Leuweung Sancang Nature Reserve, i.e. 61,10% of the Leuweung Sancang Nature Reserve suitable as habitat langkap and 38,90% of the Leuweung Sancang Nature Reserve is not suitable as habitat langkap. Keywords: Langkap, Arenga obtusifolia, habitat suitability, spatial modeling, Leuweung Sancang Nature Reserve. 
Geothermal Energy Utilization in the Kamojang Nature Reserve, West Java, Indonesia Dahlan, Endes N; Putiksari, Vella; Prasetyo, Lilik Budi
Forum Geografi Vol 29, No 2 (2015): December 2015
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v29i2.999

Abstract

Geothermal energy activities are allegedly disturbing Kamojang Nature Reserve by clearing the forest. Actually, the national park according to the Law No. 41 of 1999, must not jeopardize the preservation of germplasm in it. Meanwhile, the utilization of geothermal power plant in the area is also required to meet the electricity demand in Indonesia. Land clearing as one of the activity of exploration and exploitation of geothermal coupled with the increasing of human’s activity inside the forest caused widespread deforestation. Since there is a geothermal energy project inside the Kamojang Nature Reserve, then the aim of this study is to analysis the land cover change at Kamojang Nature Reserve from year 2000 until 2011. The research showed that the type of land cover was dominated by forest for about 4231.3 ha with forest cover percentage around 51.17%. Aside of that, the land cover change caused by exploration and exploitation of Pertamina Geothermal Energy was 60.2 ha (8.90 %), while the changes caused by human activities was 614.46 ha (91.10 %). Based on these results, replanting had been done to overcome the worse effect from each activities. The extent of reforestation and enrichment conducted by PGE was 680.58 ha by involving the society who live in surrounding area.
The Role of Vegetation in Controlling Air Temperature Resulting from Urban Heat Island Prasetyo, Lilik Budi; Rushayati, Siti Badriyah; Shamila, Annisa Dyra
Forum Geografi Vol 32, No 1 (2018): July 2018
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/forgeo.v32i1.5289

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Urban Heat Island (UHI) is a phenomenon exhibited by many worldwide cities. Cities, which exhibit UHI, possess higher air temperature as compared with air temperature in the surrounding areas. However, existing UHI profiles are those occurring in subtropical areas which are, of course, very much different from those in tropical cities. Therefore, the objectives of this study are to describe the UHI’s profile and the role of tree vegetation in controlling and reducing air temperature in a tropical region’s urban areas and, particularly, in DKI Jakarta. In this study, we carried out a spatial analysis of land cover and the distribution of air temperature. In this regard, we based our analysis of the potency of tree vegetation in reducing air temperature in UHI’s profile on the distribution of air temperature in various types of land cover which extended from north to south and from east to west. The ranges of air temperature in land cover in the form of built-up areas were 29.2-39.5 ⁰C, non-tree vegetation 28.6-35.6 ⁰C, and tree vegetation 27.0-35.7 ⁰C. Accordingly, tree vegetation has the highest potential to reduce air temperature and to overcome the phenomenon of UHI.
ANALISIS DEGRADASI UNTUK PENYUSUNAN ARAHAN STRATEGI PENGENDALIANNYA DI TAMAN NASIONAL GUNUNG HALIMUN–SALAK PROVINSI JAWA BARAT Carolyn, Rully Dhora; Baskoro, Dwi Putro Tejo; Prasetyo, Lilik Budi
MAJALAH ILMIAH GLOBE Vol 15, No 1 (2013)
Publisher : Badan Informasi Geospasial

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (618.771 KB) | DOI: 10.24895/MIG.2013.15-1.70

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ABSTRAKPenelitian ini mengkaji status degradasi hutan pada Taman Nasional Gunung Halimun-Salak (TNGHS). Petakerapatan tajuk dihasilkan dari citra Landsat tahun 2003, 2006 dan 2011, yang selanjutnya digunakan untukmendeteksi kelas kerapatan hutan dan tingkat degradasi hutan. Degradasi hutan terjadi akibat interaksi berbagaifaktor, oleh karena itu analisis terhadap faktor-faktor yang diduga memberikan pengaruh terhadap degradasi hutanpenting untuk dikaji, antara lain faktor fisik dan sosial. Teknik Stepwise Generalized Linear/Nonlinear Regression yangdigunakan untuk melihat faktor-faktor ini menunjukkan bahwa jarak Desa dengan Kecamatan, laju perubahan luaslahan non pertanian, laju pertumbuhan penduduk dan persentase perubahan jumlah keluarga pertanian merupakanfaktor-faktor yang berpengaruh terhadap luas degradasi. Memperhatikan hal tersebut maka disusunlah alternatifstrategi pengendalian degradasi hutan dengan menggunakan teknik Analytic Hierarchy Process. Berdasarkanpembobotan, disimpulkan bahwa strategi yang paling penting sebagai langkah awal pengendalian degradasi hutanadalah strategi penyelarasan Rencana Tata Ruang Wilayah Kabupaten Bogor dengan Surat Penunjukkan TNGHS.Kata Kunci : Degradasi Hutan, Faktor-Faktor yang Berpengaruh, Regulasi.ABSTRACTThe study investigated the status of forest degradation in Gunung Halimun-Salak National Park. Forest canopydensity maps derived from 2003, 2006, and 2011 Landsat satellite imagery, were used to detect the forest canopydensity and forest degradation level. Forest degradation caused by interaction of many factors, therefore it is importantto examine the driving factors of forest degradation, such as social and physical factors. Stepwise generalizedlinear/nonlinear regression models were applied. The results showed that the distance to the nearest town, the growthof builtup area (non agriculture area), population growth, and amount of agriculture family unit are significantlyinfluencing forest degradation. Considering the driving factors, the alternative strategy have been arranged and scoredby Analytic Hierarchy Process. It was concluded that synchronization between Bogor Regency regional planning andofficially status authorized of the Park was the most important strategy to become starting point to manage forestdegradation in Gunung Halimun-Salak National Park.Keyword : Forest Degradation, Driving Factors, Regulation.
VARIASI INTERSPESIFIK JULANG (AVES: BUCEROTIDAE) INDONESIA BERDASARKAN GEN CYTOCHROME-B DNA MITOKONDRIA Jarulis, Jarulis; Solihin, Dedy Duryadi; Mardiastuti, Ani; Prasetyo, Lilik Budi
BERITA BIOLOGI Vol 18, No 1 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v18i1.3714

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Genetic information of Indonesian hornbills (Julang) is still limited. We sequenced the cytochrome b gene of three hornbill species (Rhyticeros undulatus, R. plicatus, and Aceros cassidix) to explore their genetic variation, distance, and phylogenetic. Nine blood samples for Cyt b from three hornbill species were isolated with Dneasy® Blood and Tissue Kit base on Spin-Column Protocol, Qiagen. SNP, genetic distance, and phylogeny were calculated by MEGA 6.0 software. This study was found variations in the Cyt b gene sequence (849 bp) between three species Indonesian Julang. Rhyticeros undulatus had the most SNP compared to R. plicatus and Aceros cassidix. Substitution of synonyms is more common than substitution of synonyms and transition substitution frequency tends to be much higher than transversion substitution. The three species of Indonesian Julang were markedly separate with an average genetic distance of 5.25%. and separated with the outgroup species at a genetic distance of 9.43%. Cytochrome b sequence genes from these three hornbill species are novel for identifying and classifying hornbills, and could be applied to prevent illegal poaching and conservation management in Indonesia.    
Pre-Release Assessment for Javan Gibbon (Hylobates moloch) in The Javan Gibbon Center, Mount Gede Pangrango National Park Ario, Anton; Kartono, Agus Priyono; Prasetyo, Lilik Budi; Supriatna, Jatna
Biosaintifika: Journal of Biology & Biology Education Vol 11, No 1 (2019): April 2019
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (620.798 KB) | DOI: 10.15294/biosaintifika.v11i1.14670

Abstract

Preparation for gibbons before being released into their habitat is crucial. Thus, there is a need for readiness assessment of Javan gibbon with several criteria derived from other species of gibbons to determine individual readiness. Pre-release assessment study for Javan gibbon (Hylobates moloch) had been conducted in January – February 2014, November – December 2014, and March-April 2016 in the Javan Gibbon Center, Mount Gede Pangrango National Park, West Java, Indonesia. The objective of this research was to assess the readiness of Javan gibbon behavior prior to release. Data collection was conducted by focal animal sampling method with 5-minute interval recording time and ad libitum method. The average time allocations of Javan Gibbon activities were as follow: feeding (18.17±3.34%); moving (22.34±0.53%); resting (46.24±3.84%); socializing (10.13±4.33%); sexual activity (0.59±0.58%); and vocalizing (2.54±0.88%).  The similarities of activity allocation from this study compared by wild Javan gibbons data found as follows: feeding by 33.03%, moving by 90.97%, resting by 61.52%, socializing by 38.09%, vocalizing by 75.02%, and sexual by 44.24%. Based on readiness assessment of 11 Javan gibbons, 3 individuals were considered almost ready for release, while 8 individuals were considered ready. The assessment of behaviors criteria for the readiness of Javan gibbons before release has not existed before. The results of this research are important as a recommendation for the management of wildlife rehabilitation and as a guideline in implementing the rehabilitation and reintroduction program of Javan gibbons.
Co-Authors . Pairah A Hadi Syafrudin ABDUL HARIS MUSTARI Abdul Rahim Achmad Machmud Thohari Agung Siswoyo Agung Siswoyo Agus Hikmat Agus Priyono Kartono Agusrinal Agusrinal AHMAD JUNAEDI Ahmad Munawir Akhmad Rizali Al-Reza, Dimaz Danang Alan Purbawiyatna Alan Purbawiyatna Amri Muhammad Saadudin Amrizal Yusri Andi Gunawan Andi N. Cahyana Andi Sri Wahyuni Andry Indrawan Ani Mardiastuti Anika Putri Annisa Dyra Shamila Anton Ario Anton Ario Anton Ario Aria Nusantara Arief Prasetyo Arif Kurnia Wijayanto Arif Kurnia Wijayanto Arif Prasetyo Arif Prasetyo Ario, Anton Aronika Kaban aronika kaban Arya Hadi Dharmawan Arzyana Sunkar Astekita Ardiaristo Aswin Rahadian Aswin Rahadian Awaludin Jamil Azar Rachdian Bambang Hero Saharjo Bambang Setio Budianto BANDUNG SAHARI Basuki Wasis Bisman Nababan Boedi Tjahjono Budi Arif Dermawan Budi Indra Setiawan Carolyn, Rully Dhora Cecep Kusmana DAMAYANTI BUCHORI Deasy Fitria Dede Kosasih Desi Suyamto Diah Irawati Dwi Arini Diah Irawati Dwi Arini Didi Darmadi Didi Usmadi, Didi Dietriech Geoffrey Bengen Dolly Priatna Dones Rinaldi DWI ANDREAS SANTOSA Dwi Putra Aprianto Dwi Putro Tejo Baskoro DYAH PERWITASARI -FARAJALLAH Edy Sambas Endang Koestati Sri Harini Muntasib Endes N Dahlan Endes N Dahlan Endes N Dahlan Endes Nurfilmarasa Dachlan Entang Iskandar Entang Iskandar Entang Iskandar Entang Iskandar Erny Jumilawaty Ervizal A. M. Zuhud Ervizal A.M. Zuhud Ervizal AMZU Fata Habiburrahman Faz Fauziah Fauziah FERY KURNIAWAN Firdaus Alam Hudi Fitriana, Fifin gede tragya suartika pramana Hadi S Alikodra Harahap, Adiansyah Hari Prayogo Hariyadi Harnios Arief Hartrisari Hardjomidjojo Helianthi Dewi Hengki Tornando Hermansyah Putra Hermawan, Rachmad Hernawati Hernawati Herry Purnomo Herwasono Soedjito Hesty, Rein Susinda Hidayat Pawitan Hidayat Pawitan Higuchi, Horoyoshi Hultera Hultera Husni dan Zulfanazli Pudjianto Alfian Rusdy I Made Haribhawana Wijaya I Nengah Surati Jaya I.F. Poernomosidhi Poerwo Idung Risdiyanto Indri Febriani Irlan Jarulis Jarulis Jarulis Jarulis Jarulis Jarulis Jarulis Jarwadi B. Hernowo JARWADI BUDI HERNOWO Jatna Supriatna Jito Sugardjito Joko Ridho Witono Judin Purwanto Kamarudin Abdulah Kartodihardjo, Hariadi Ketut Wikantika Kooswardhono Mudikdjo Kurnia Sofyan Kusumanegara, Agus Kuswandono . Lailan Syaufina Lailan Syaufina Lila Juniyanti Liyantono . Luky Adrianto Luna Raftika Khairunnisa M. Bismark Malta Daerangga Mansyur, Fadhilah Iqra Mardiana Wachyuni Marimin , May Parlindungan Meirani, Utami Mirza Dikari Kusrini Moch. Erlan Sodahlan Mora, Andita Minda Muflihatul Maghfiroh Islami Muhamad Rizal Muhammad Bismark Muhammad Buce Saleh Muhammad Nur Aidi Muhammad Wiharto Munandar, Aris Nahlunnisa, Hafizah Nana Mulyana Arifjaya Nandi Kosmaryandi Nandi Kosmaryandi Nitya Ade Santi NIZAR NASRULLAH Novi Tri Ayuningrum Nur Hayati Nurdin Sulistiyono Nyoto Santoso Omo Rusdiana Pablo Pacheco Pahlevi, Farhan Reza Pairah Pairah Patria Rachman Hakim Pramatana, Fadlan Prita Ayu Permatasari, Prita Ayu PURNAMA HIDAYAT Purwanto, Yanuar Jarwadi Rahmad Hermawan Ramdani Manurung Ramdani Manurung Rika S. Santoso Rina Marina Masri Rinekso Soekmadi Rizka Amalia Rizki Widiyatmoko Rois Mahmud Romie Jhonnerie Rosikin Rosikin Rosima Wati Dewi Rudi Hermawan Sahid Agustian Hudjimartsu Sahid Hudjimartsu Sam Wouthuyzen Sambas Basuni Sambas, Edy Sandhi Imam Maulana Santun R.P. Sitorus SATRIYAS ILYAS Sawaki, Morgan Wayne Luther Shamila, Annisa Dyra Siti Badriyah Rushayati Siti Nurjannah Slamet Suprayogi Soeryo Adiwibowo Sudianto Supartono, Toto SYAFRIDA MANUWOTO Syarif Indra S.P Syartinilia . TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN Tatang Tiryana Taufik Setiawan Tazkiyatul Syahidah Teddy Rusolono Titiek Setyawati Tri Atmoko Tri Atmoko Tri Satyatama Tukirin Partomihardjo Tukirin Partomihardjo Turmudi U Mamat Rahmat U Mamat Rahmat Vella Putikasari Vella Putiksari Vella Putiksari, Vella Vincentius P Siregar Wahyu Indah Astriani Wardani, Tiara Pratiwi Kusumah Wardi Septiana Wawan Gunawan Widiatmaka WIDYASTUTI, SALMAH Wim Ikbal YAHER WANDI YANTO SANTOSA Yeni A. Mulyani Yeni A. Mulyani Yeni Aryati Mulyani Yeni Herdiyeni Yohana Maria Indrawati Yoko Untoro Yosi Irawan Yudi Setiawan Yudi Setiawan Yudi Setiawan Yudi Setiawan Yudi Setiawan Yumarni . Yuniar Pratiwi Zuhud, Ervizal A. M.