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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Jurnal Teknologi Industri Pertanian Agromet Seminar Nasional Aplikasi Teknologi Informasi (SNATI) JURNAL ANALISIS KEBIJAKAN KEHUTANAN Jurnal Ketahanan Nasional Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) BERITA BIOLOGI LIMNOTEK - Perairan Darat Tropis di Indonesia Forest and Society International Journal of Remote Sensing and Earth Sciences (IJReSES) JURNAL METEOROLOGI DAN GEOFISIKA PERENNIAL Jurnal Tanah dan Iklim Jurnal Risalah Kebijakan Pertanian dan Lingkungan Indonesian Journal of Multidisciplinary Science Aceh International Journal of Science and Technology Policy Brief Pertanian, Kelautan, dan Biosains Tropika
Rizaldi Boer
Department Of Geophysics And Meteorology, Faculty Of Mathematics And Natural Sciences, IPB University, Dramaga Campus, Bogor, Indonesia 16680
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Mathematics Physics Public Health Social Sciences

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Menyelesaikan Konflik Penguasaan Kawasan Hutan Melalui Pendekatan Gaya Sengketa Para Pihak Di Kesatuan Pengelolaan Hutan Lakitan Gamin, Gamin; Kartodihardjo, Hariadi; Kolopaking, Lala M; Boer, Rizaldi
ISSN 0216-0897
Publisher : Pusat Penelitian dan Pengembangan Perubahan Iklim dan Kebijakan

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Abstract

Gaya para pihak menghadapi sengketa (conflict style) diperlukan guna penyelenggaraan penyelesaian sengketa yang efektif. Aktor utama dan aktor pendukung serta kepentingan/peran dan pengaruh atau kekuasaan serta hubungannya perlu dipetakan dengan seksama. Apa saja tindakan yang dapat dilakukan untuk menyelesaian konflik berdasarkan gaya para pihak tersebut adalah sesuatu yang perlu dijawab dalam penelitian ini. Dalam penelitian ini gaya para pihak didekati menggunakan analisis gaya bersengketa (AGATA). Studi ini menunjukkan bahwa pihak bergaya sengketa kompromi, akomodasi dan kolaborasi difasilitasi dan dimediasi untuk mengusulkan Hutan Desa, Hutan Kemasyarakatan dan peluang Kemitraan guna mendapatkan legalitas pengeloalan sekaligus pengakuan hutan negara, oleh karena itu penerbitan Ijin Hutan Desa dan Hutan Kemasyarakatan penting dipercepat. Peran pihak luar yang tidak ada hubungan konflik sangat penting untuk memfasilitasi dan memediasi para pihak menuju penyelesaian konflik. Pihak yang berkompetisi perlu dimediasi sehingga gayanya berubah kompromi, akomodasi ataupun kolaborasi. Kalaupun tetap pada gayanya kiranya akan menghasilkan pilihan yang konstruktif untuk memperoleh haknya atas lahan melalui pelepasan kawasan hutan. Pihak yang bergaya menghindar perlu dilakukan komunikasi intensif agar menyadari adanya konflik atau berubah gayanya untuk berkompromi.
ANALISIS KESESUAIAN IKLIM UNTUK PENGEMBANGAN CENDANA (Santalum album L.) DI NUSA TENGGARA TIMUR Boer, Rizaldi; June, Tania
BERITA BIOLOGI Vol 5, No 5 (2001)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v5i5.1466

Abstract

Land suitability analysis method is introduced for sandalwood (Santalum album L.) in Nusa Tenggara Timur. It includes analysis on its (I) agro ecological suitability based on crop requirement for climate and soil characteristic, (2) ecological suitability, and (3) social-economic requirement for sustainable and profitable production. Approach to these three components is conducted through desk study/survey and on site research. All information collected and analyzed is combined together in GIS (Geographical Information System) for further use.
Perbandingan Metodologi Koreksi Bias Data Curah Hujan CHIRPS Misnawati, Misnawati; Boer, Rizaldi; June, Tania; Faqih, Akhmad
LIMNOTEK - Perairan Darat Tropis di Indonesia Vol 25, No 1 (2018)
Publisher : Research Center for Limnology

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Abstract

Penggunaan data global makin meningkat dalam mengatasi permasalahan ketersedian data curah hujan observasi. Salah satu data global yang sering digunakan yaitu data Climate Hazards Group InfraRed Precipitation with Station (CHIRPS). Namun demikian, data CHIRPS tidak bebas dari permasalahan bias, sehingga perlu divalidasi dan dikoreksi dengan menggunakan data observasi hasil pengamatan di lapangan. Penelitian ini bertujuan untuk mengidentifikasi metode koreksi bias yang memberikan performa paling baik dalam memperbaiki inkonsistensi data curah hujan CHIRPS terhadap curah hujan observasi. Metode-metode yang digunakan dalam penelitian ini adalah metode interpolasi error, metode Piani, metode Lenderink dan metode regresi power. Evaluasi performa masing-masing metode tersebut dilakukan berdasarkan nilai R2 dan MSE. Hasil penelitian menunjukkan bahwa metode koreksi bias intepolasi error memberikan hasil yang terbaik dengan nilai R2 dan MSE paling kecil. Pola curah hujan harian dan bulanan CHIRPS terkoreksi metode interpolasi error juga menunjukkan konsistensi yang paling baik terhadap curah hujan observasi.
PERSEPSI KERENTANAN BAHAYA BANJIR DAN KEKERINGAN AKIBAT PERUBAHAN IKLIM DI DAS BATANGHARI Handoko, Unggul; Boer, Rizaldi; Apip, Apip; Aldrian, Edvin; Dwi Dasanto, Bambang
LIMNOTEK - Perairan Darat Tropis di Indonesia Vol 25, No 2 (2018)
Publisher : Research Center for Limnology

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Abstract

ABSTRAKPenelitian persepsi tingkat perubahan iklim dan tingkat kerentanan daerah terhadap bahaya banjir dan kekeringan telah dilakukan di DAS Batanghari. Persepsi tersebut kemudian dianalisis konsistensinya dengan kejadian sesungguhnya. Metode penelitian yang digunakan untuk analisis persepsi menggunakan teknik wawancara accidental sampling, uji validitas, uji reliabilitias, penskoran,  dan pengkelasan. Sedangkan untuk analisis konsistensi antara persepsi dengan kejadian sesungguhnya menggunakan analisis kecenderungan anomali curah hujan dan suhu udara  (untuk tingkat perubahan iklim) dan membandingkan dengan peta rawan banjir dan kekeringan (untuk kerentanan daerah terhadap bahaya banjir dan kekeringan). Hasil penelitian menunjukkan bahwa di DAS Batanghari perubahan iklim  telah terjadi hal ini sesuai dengan persepsi sebagian besar masyarakat yang ada di DAS Batanghari serta didukung dengan adanya peningkatan kecenderungan nilai anomali suhu dan curah hujan dari tahun ke tahun. Wilayah yang paling rentan terhadap bahaya banjir dan kekeringan berdasarkan persepsi masyarakat adalah segmen hilir DAS Batanghari, hal ini sesuai dengan peta daerah rawan bencana banjir dan kekeringan. Kata kunci : perubahan iklim, kerentanan, banjir, kekeringan, DAS Batanghari 
EVALUASI MODEL IKLIM REGIONAL RegCM3 UNTUK REKONSTRUKSI DATA IKLIM HISTORIS Handoko, Unggul; Faqih, Akhmad; Boer, Rizaldi; Soepri, Wahyoe
LIMNOTEK - Perairan Darat Tropis di Indonesia Vol 21, No 2 (2014)
Publisher : Research Center for Limnology

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Abstract

Penelitian mengenai rekonstruksi data iklim historis dengan menggunakan model iklim regional RegCM3 telah dilakukan untuk wilayah Sub DAS Seluna, Provinsi Jawa Tengah. Rekonstruksi dilakukan pada data curah hujan dan suhu masing-masing untuk periode 1998-2010 dan 1990-1997. Sebagai bagian dari proses rekonstruksi, dilakukan penentuan faktor koreksi untuk analisis koreksi bias data iklim luaran model. Data luaran yang telah dikoreksi kemudian dievaluasi dengan data observasi dengan menggunakan beberapa metode pengujian statistik, diantaranya MSE, R2 dan NSE. Hasil evaluasi keluaran model yang telah dikoreksi tersebut menunjukkan hasil perbandingan yang cukup baik dengan data observasi sehingga dapat digunakan untuk rekonstruksi data iklim historis. Data yang telah direkonstruksi dapat diaplikasikan untuk analisis hidrologi dan analisis lainnya yang memerlukan input parameter cuaca/iklim.
PREDIKSI AWAL MUSIM HUJAN BERDASARKAN INDEKS VARIABILITAS IKLIM DI PULAU JAWA Rohmawati, Fithriya Yulisiasih; Boer, Rizaldi; Faqih, Akhmad
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) Vol 38, No 1 (2014)
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v38n1.2014.35-42

Abstract

Abstrak. Informasi terkait awal musim hujan (AMH) memiliki peranan penting dalam penyusunan strategi tanam guna meningkatkan hasil pertanian yang optimum. Penelitian ini bertujuan menyusun model prediksi AMH di Jawa sebagai daerah sentra pangan di Indonesia menggunakan indeks variabilitas iklim seperti El Nino Southern Oscilation (ENSO), El Nino Modoki, Indian Ocean Dipole (IOD) dan Sea Surface Temperature (SST) serta Madden Julian Oscillation (MJO). Model persamaan AMH disusun menggunakan model regresi linier dan skill model prediksi dievaluasi menggunakan Relative Operating Characteristics (ROC). Hasil penelitian menunjukkan bahwa ENSO (indeks anomali SST Nino 3.4) menjelaskan sebagian besar variabilitas AMH di Jawa. Oleh karena itu, ENSO bulan Juli dan Agustus digunakan sebagai prediktor AMH. Model persamaan yang disusun berdasarkan indeks tersebut mempunyai skill baik. Rata-rata skill model prediksi mencapai 84% (ENSO bulan Juli) dan 76% (ENSO bulan Agustus) untuk AMH maju dari normal dan 83% (ENSO bulan Juli) dan 86% (ENSO bulan Agustus) untuk AMH mundur dari normal. Dengan hasil tersebut, maka model persamaan dalam penelitian ini cukup dapat memberikan solusi terhadap masalah keakuratan informasi AMH terutama untuk AMH mundur dari normal yang berdampak pada kegagalan panen. Abstract. Monsoon onset information plays an important role in setting up planting strategy for achieving optimum yield. This study aimed to develop forecasting model for the monsoon onset in main rice growing areas of Java, Indonesia using climate variability indices, namely the El Niño Southern Oscillation (ENSO), El Nino Modoki, Indian Ocean Dipole (IOD), and Sea Surface Temperature (SST) and Madden Julian Oscillation (MJO). The forecasting models of the monsoon onset were developed using a linear regression model and that skill of the prediction models were evaluated using Relative Operating Characteristics (ROC). It was found that ENSO (anomaly SST Nino 3.4) explained most of the variability of monsoon onset across Java. Therefore, the SST Nino 3.4 index (in July and August) can be used as one of predictors for predicting the onset. The models developed using this index have a better skill. The average skill of the models for forecasting advanced monsoon onset reached 84% (July?s ENSO) and 76% (August?s ENSO), then for the delayed monsoon onset reached 83% (July?s ENSO) and 86% (August?s ENSO). According to this result, the equation?s model can provide a sufficient solution for the accuracy of monsoon onset information particularly if there is a delay in monsoon onset that can lead to the crop failure.
Effects of Forest Cover Change on Flood Characteristics in the Upper Citarum Watershed Bambang Dwi Dasanto; Bambang Pramudya; Rizaldi Boer; Yuli Suharnoto
Jurnal Manajemen Hutan Tropika Vol. 20 No. 3 (2014)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2083.397 KB) | DOI: 10.7226/jtfm.20.3.141

Abstract

Information on the effect of forest cover changes on streamflow (river discharge) in large-scale catchment is important to be studied. The rate of forest cover change in the Upper Citarum Watershed as a large-scale catchment is high enough to drive streamflow change, such as increase of discharge level, or flood volume. Within the research area, flood would occur when the volume of streamflow exceeded the canal capacity and inundated areas that were normally dry. Therefore, this research focused on identifying the effects of forest cover change on flood events and its distribution. The research consisted of 2 main stages; firstly, building geometric data of river and performing frequency analysis of historical and scenario discharges using an approach of probability distribution; and, secondly, flood inundation mapping using HEC-RAS model. The results showed that forest reduction have affected water yield in the downstream of Upper Citarum Watershed. In each return period, this reduction have increased river discharge level and affected the spread of flooded areas. In 2-year return period, the extent of flood as an impact of forest reduction was estimated to decrease slowly. However, in the return period of more than 2 years, the spread of flooded areas increased sharply. These proved that forest cover reduction would always increase the discharge value, but it did not always expand the inundated area. 
An Institutional Model of Transboundary Watershed Management Toward Sustainable Development Werenfridus Taena; Lala Mulyowibowo Kolopaking; Bambang Juanda; Baba Barus; Rizaldi Boer
Jurnal Manajemen Hutan Tropika Vol. 22 No. 1 (2016)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.308 KB) | DOI: 10.7226/jtfm.22.1.35

Abstract

The objective of this study were to evaluate the institutional of watershed management in border area of Indonesia and Timor-Leste, and to design a model of transboundary watershed management institution for Indonesia and Timor-Leste.  Weighting of internal and external factors method was used to evaluate the institutional transboundary watershed management, while analytical hierarchy process was used to compute the institutional model of transboundary watershed management. The internal factors consists of: the commitment of the stakeholder in watershed management, development priorities at border area, the limited institutional cooperation, the land use changes. The external factors  are: international environmental agenda on development country, international conferences that supported the countries collaboration toward sustainable development achievement, supporting culture in forest and water resources protection, slash and burn cultivation activities, conflicts, lack of ecological. The result showed that weighting of  internal and external factors on quadrant III is alternaltive institutional model of transboundary watershed management.  The priority alternatives institutional model and also road map for sustainable development are collaboration agreement of transboundary management, transboundary watershed forum, and autonomous transboundary watershed management. The alternatives institutional has relation with the development phase, condition of local community and environment.
The Implication of Spatial Ecology Dependence on Spatial Arrangement in Boundary Area Werenfridus Taena; Lala Mulyowibowo Kolopaking; Baba Barus; Rizaldi Boer; Bambang Juanda
Jurnal Manajemen Hutan Tropika Vol. 24 No. 1 (2018)
Publisher : Institut Pertanian Bogor (IPB University)

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Abstract

Land use changes in upstream cause flooding in the middle and downstreams so that appropriate spatial planning is required. The study aims to (1) analyze the forest management in ecologycal region percpective community, unilateral and bilateral on the boundary areas of Indonesia and Timor Leste, (2) analyze dependence of spatial-ecology with income farmers, and (3) analyze descriptively the spatial planning of border regions. The data used were secondary and primary data which were obtained from Indonesia and Timor Leste. Primary data sampling technique using multistage sampling, namely cluster sampling for the sample village representing the upstream, middle, and downstream of the watershed; while the sample of farmers using purposive sampling. The analysis used was descriptive analyisis which was used to analyze management of forest in ecologycal region on boundary area. Then, the spatial durbin model was used to analyze the dependence effect of spatial-ecology on farmer income in transboundary watershed. The spatial durbin model showed that farmers’ income in the downstream of transboundary watershed will be reduced because patterns of farming on upperstream transboundary watershed tends to be exploitative. This implication required administrative and spatial ecology perspective in boundary spatial planning.  
Deliniasi risiko iklim dan evaluasi model hubungan curah hujan dan produksi padi dalam mendukung pengembangan asuransi indeks iklim (climate index insurance) pada sistem usahatani berbasis padi Woro Estiningtyas; Rizaldi Boer; Irsal Las; Agus Buono; Adi Rakhman
Jurnal Ilmu Pertanian Indonesia Vol. 16 No. 3 (2011): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

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Abstract

The agricultural sector, particularly the rice farming system (SUT) is very vulnerable to climate variability and change. SUT that rely heavily on water will be easily affected by climate variability and change when the water supply deficit of needs that should be. SUT is still dominant in the food supply in Indonesia, so the shock of farming due to extreme climate events will have a major impact on food security. Many findings indicate that the frequency and intensity of extreme climate events will increase as a result of global warming. Extreme climate events dominant occur in center of rice production in West Java like Indramayu is drought. Approximately 80°/o of the causes of the rice harvest failed in the district of Indramayu is the incidence of droughts. Farmers as the main actors receive large impacts due to drought is expected to be increasingly difficult to develop the farm. It is therefore necessary to have protection program for farmers from the impact of climate events such climate extrim. One option is starting a lot of feasibility is Climate Index Insurance. This study aimed to assess the feasibility of the implementation of the climate index insurance system in Indramayu. Analysis step is performed include (i) preparation of endemic drought maps are required as the basis in determining the priority areas of climate risk management and (ii) the determination of climate index value (threshold value) to be used as an index into the determination of the value of insurance claims. This study found that climate indices that can be used for the three villages at high risk of drought is high rainfall during the dry season. Index value for the three villages is 168 mm, 248 mm and 472 mm for Cikedung, lelea and Terisi. Potential applications of Climate Index Insurance for rice SUT in Indramayu is high because about 90°/o of the people are rice farmers. Besides benefit of rice farming is also quite large with B/C from 1.4 to 1.8 during the wet season and 1.2 to 1.7 on the dry season, so the expected ability to pay insurance premiums high enough.
Co-Authors . Suciantini Abujamin Ahmad Nasir Adi Rakhman Agus Buono Agus R. Nugroho Ahmad Bey Ahmad Bey Ahmad Bey Akhmad Faqih Akhmad Faqih Akhmad Riqqi, Akhmad Amir Kedang Andria Anria Anggary Pasha Dewani Anita Silvia Apip Apip Apip Apip, Apip Arif Satria Arnida L. Latifah Baba Barus Bagus P. Purwanto Bambang Dwi Dasanto Bambang Juanda Bambang Pramudya Bambang Pramudya Bramasto Nugroho Divina Umanita Iliyyan Dodik Ridho Nurrochmat Dudung Darusman Edvin Aldrian Edvin Aldrian Edvin Aldrian Elza Surmaini Fithriya Yulisiasih Rohmawati Fitta Setiajiati Gamin Gamin Gamin Gamin, Gamin Gusti Hardiansyah H. Siregar Hasril Hasan Hein, Lars Hidayat Pawitan Impron Impron Indah Prasasti Indah Prasasti Indarto, Adi Misda Irlas Las Irsal Las Irsal Las Irsal Las Irsal Las Irsal Las Irsal Las Irwan Nasution Ismail Wahab Jacob Nulik Justika S. Baharsjah Kartodihardjo, Hariadi Lailan Syaufina Lala M Kolopaking Lukytawati Anggraeni Lutfi Rohman M. Mukhlis Meilantina, Mayang Meti Ekayani Misnawati Misnawati Misnawati, Misnawati Mugni Hadi Hariadi Mugni Hadi Hariadi Muhammad Ardiansyah Musyaffa, Muhammad Elfaza Faishal Ng. Gintings Nurrochmat, Dodik Nurul Jannah Park, Mi Sun Rafiuddin, Alwan Rahayu, Nur Hygiawati Rahmani, Tabah Arif Rilus Kinseng Rini Hidayati Rossita, Annuri S. Sutikno Sisi Febriyanti Muin Sjafrida Manuwoto Soepri, Wahyoe Subiyanto, Adi Sudirman Yahya Sulistiyanti Sulistiyanti Suryahadi (Suryahadi) Tania June Unggul Handoko Unggul Handoko, Unggul Upik Kesumawati Hadi W. Guntoro Werenfridus Taena Widya Ningrum Woro Estiningtyas Woro Estiningtyas Woro Estiningtyas Yenni Vetrita Yonny Koesmaryono Yuli Suharnoto Yulius Hero