Yonky Indrajaya

ORCID: 0000-0003-1064-3643
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About
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Research Areas
  • Forest Ecology and Conservation
  • Conservation, Biodiversity, and Resource Management
  • Oil Palm Production and Sustainability
  • Forest Management and Policy
  • Forest ecology and management
  • Plant Growth and Agriculture Techniques
  • Agricultural and Environmental Management
  • Agriculture and Agroindustry Studies
  • African Botany and Ecology Studies
  • Agricultural Development and Management
  • Agricultural Research and Practices
  • Bioenergy crop production and management
  • Water and Land Management
  • Cocoa and Sweet Potato Agronomy
  • Botany, Ecology, and Taxonomy Studies
  • Wetland Management and Conservation
  • Peatlands and Wetlands Ecology
  • Remote Sensing and LiDAR Applications
  • Forest Biomass Utilization and Management
  • Mangiferin and Mango Extracts
  • Land Use and Ecosystem Services
  • Disaster Management and Resilience
  • Medicinal Plant Research
  • Agriculture and Rural Development Research
  • Agroforestry and silvopastoral systems

National Research and Innovation Agency
2022-2024

Wageningen University & Research
2014-2023

Badan Penelitian dan Pengembangan Kesehatan
2013-2021

Research & Development Institute
2020

Center for International Forestry Research
2020

Balaton Limnological Institute
2012-2015

Badan Pengkajian dan Penerapan Teknologi
2015

When restoring degraded landscapes, approaches capable of striking a balance between improving environmental services and enhancing human wellbeing need to be considered. Agroforestry is an important option for land associated ecosystem functions. Using survey, key informant interview rapid carbon stock appraisal (RaCSA) methods, this study was conducted in five districts West Java province examine potential agroforestry systems practiced by smallholder farmers on landscapes. Six with...

10.3390/f12060714 article EN Forests 2021-05-31

With 120 million hectares of forest area, Indonesia has the third largest area biodiversity-rich tropical forests in world, and it is well-known as a mega-biodiversity country. However, 2020, only 70 percent this remained forested. The government consistently undertaken corrective actions to achieve Sustainable Development Goal targets, with special focus on Goals #1 (no poverty), #2 (zero hunger), #3 (good health well-being), #7 (affordable clean energy), #8 (decent work economic growth),...

10.3390/su141912124 article EN Sustainability 2022-09-25
Hunggul Yudono Setio Hadi Nugroho Yonky Indrajaya Satria Astana Murniati Murniati Sri Suharti and 95 more Tyas Mutiara Basuki Tri Wira Yuwati Pamungkas Buana Putra Budi Hadi Narendra Lutfy Abdulah Titiek Setyawati Subarudi Subarudi Haruni Krisnawati Purwanto Purwanto Muhammad Hadi Saputra Yunita Lisnawati R. Garsetiasih Reny Sawitri I A S L P Putri Ogi Setiawan Dona Octavia Hesti Lestari Tata Endang Savitri Abdurachman Abdurachman Acep Akbar Achmad Rizal Hak Bisjoe Adi Susilo Aditya Hani Agung Budi Supangat Agung Nugroho Agus Kurniawan Ahmad Junaedi Andhika Silva Yunianto Anita Rianti Ardiyanto Wahyu Nugroho Asep Sukmana Bambang Tejo Premono Bastoni Bastoni Bina Swasta Sitepu Bondan Winarno Catur Budi Wiati Chairil Anwar Siregar Darwo Diah Auliyani Diah Irawati Dwi Arini Dian Pratiwi Dila Swestiani Donny Wicaksono Dony Rachmanadi Eko Pujiono Endang Karlina Enny Widyati Etik Erna Wati Hadi Firda Maftukhakh Hilmya Nada Fajri Ansari F Azwar Gerson Ndawa Njurumana Hariany Siappa Hendra Gunawan Hengki Siahaan Henti Hendalastuti Rachmat Heru Dwi Riyanto Hery Kurniawan Ika Heriansyah Irma Yeny Julianus Kinho Karmilasanti Kayat Luthfan Meilana Nugraha Luthfi Hanindityasari Mariana Takandjandji M. Kudeng Sallata MAWAZIN MAWAZIN Merryana Kiding Allo Mira Yulianti Mohamad Siarudin Muhamad Yusup Hidayat Muhammad Abdul Qirom Mukhlisi Mukhlisi Nardy Noerman Najib Nida Humaida Niken Sakuntaladewi Nina Mindawati Nining Wahyuningrum Nunung Puji Nugroho Nur Muhamad Heriyanto Nuralamin Nurhaedah Muin Nurul Silva Lestari Oki Hidayat Parlin Hotmartua Putra Pasaribu Pratiwi Pratiwi Purwanto Purwanto Purwanto Budi Santosa Rahardyan Nugroho Adi Ramawati Ramawati Ratri Ma’rifatun Nisaa’ Reni Setyo Wahyuningtyas Resti Ura’ Ridwan Fauzi

Indonesia is the largest archipelagic country in world, with 17,000 islands of varying sizes and elevations, from lowlands to very high mountains, stretching more than 5000 km eastward Sabang Aceh Merauke Papua. Although occupying only 1.3% world’s land area, possesses third-largest rainforest second-highest level biodiversity, species diversity endemism. However, during last two decades, has been known as a deforestation, producer smoke burning forests land, carbon emissions. The aim this...

10.3390/land12061238 article EN cc-by Land 2023-06-16

Abstract Flooding is a process that occurs from many factors interrelated each other to form complex relationship. Situated within an area characterized by mountainous topography, land use for intensive vegetable farming activities, and high rainfall, the Upper Serayu River Basin provides interesting case study investigate multifaceted nature of flood events. This paper investigates relationships exist in upstream flood-prone areas, aiming reveal complexities drive The method used this...

10.1088/1755-1315/1438/1/012076 article EN IOP Conference Series Earth and Environmental Science 2025-01-01

In Indonesia, smallholders have historically practiced agroforestry, which warrants examination in terms of food and livelihood security within sustainable community forest frameworks. Based on a literature review, we analyzed these two forms related to smallholder agroforestry practices. Findings indicate diverse systems, with 88% focusing non-timber products (NTFPs) 12% timber. While 42% prioritize direct supply, 58% emphasize income generation through product sales. However, that does not...

10.3390/agriculture13101896 article EN cc-by Agriculture 2023-09-27

Indonesian watershed management continues to struggle with various problems caused by natural disasters, particularly hydrometeorological which are worsened the effects of climate change. Coordinating and synchronizing interest many parties in scenarios conditions is a big challenge creation healthy productive watershed. Multiple initiatives have been undertaken, from establishing rules policies implementing them assessing effects, leading lessons being learned for better management. This...

10.3390/land12111963 article EN cc-by Land 2023-10-24

Menentukan daur tebang merupakan langkah penting bagi pengelola hutan untuk mendapatkan keuntungan financial yang maksimal. Daur financial Faustman pendekatan telah banyak diterapkan khususnya untuk tanaman. Penelitian ini bertujuan menemukan pada tanaman jabon di rakyat Kecamatan Pakenjeng, Garut, Jawa Barat. Metode digunakan adalah memaksimalkan keuntungan dapat diperoleh tiap daur. Pengumpulan data dilakukan dengan pengukuran pertumbuhan tegakan meliputi tinggi dan diameter, serta...

10.20886/jpht.2013.10.4.201-211 article ID Jurnal Penelitian Hutan Tanaman 2013-12-01

Private forest in Java Island is mainly managed by Agroforestry (AF) system. There are three levels AF systems: early AF, middle and advance AF. The land productivity system villagers mostly low because of inappropriate practice. objective this research to analyze the management practice Menoreh hills, Kulon Progo, Yogyakarta. study was conducted Giripurwo Village, Progo. Stratifed sampling with purposive used study. Total twelve plots were determined every levels. Studies plot includes...

10.17503/agrivita.v38i2.416 article EN cc-by-nc AGRIVITA Journal of Agricultural Science 2016-04-27

Penelitian bertujuan untuk membuat persamaan allometrik jenis jabon ( Neolamarckia cadamba Miq) mengestimasi biomassadi atas tanah pada tegakan jabon. Sampel 23 pohon dengan kisaran diameter 10,5–30,2 cm diambil dari hutan rakyat. Masing-masing sampel diukur guna menentukan biomassa di berdasarkan fraksi (batang, cabang, daun). Selanjutnya data dianalisis menggunakan regresi linier yang ditransformasikan ke dalam bentuk logaritma. Variabel bebas adalah dbh at breast height, cm) dan variable...

10.20886/jpht.2014.11.1.1-9 article ID cc-by-nc-sa Jurnal Penelitian Hutan Tanaman 2014-04-01

Limited agricultural land areas combined with increasing demands for food require breakthroughs in use development using agroforestry systems. Intercropping root crops trees could be an alternative production forest areas. This study aimed to assess the feasibility of cocoyam (Xanthosoma sagittifolium (L.) Schott) farming on dry within 12- and 42-year-old teak (Tectona grandis L.f.) forests support local security. The assessment took into account both productivity socio-economic aspects. was...

10.3390/su141911981 article EN Sustainability 2022-09-22

West Java is one of the largest citronella oil producers in Indonesia. Currently, several communities are still developing grass with local varieties that have been passed down from generation to and not identified. This study aims identify potential Cikadu region as a superior variety. The research was conducted District, Cianjur Regency, Province May-June 2021. methods involved survey techniques well laboratory tests. morphology citronella, characteristics habitat its use by community,...

10.1063/5.0116368 article EN cc-by AIP conference proceedings 2023-01-01

Peningkatan pendapatan rumah tangga menentukan tingkat kesejahteraan keluarga dan karakteristik sosial ekonomi mempengaruhi penyadap getah pinus. Penelitian ini bertujuan mempelajari yang Metode survey dipergunakan pada penelitian dengan penarikan sampel menggunakan metode simple random sampling 30 orang petani responden. Analisis data persamaan regresi linier berganda peubah diduga tangga. Hasil kajian menunjukkan bahwa Pendapatan pinus dipengaruhi nyata secara statistik oleh dari luargetah...

10.20886/jpsek.2006.3.2.147-159 article ID cc-by-nc-sa Jurnal Penelitian Sosial dan Ekonomi Kehutanan 2006-06-30

The utilization of land under tree stand in teak forest has been widely applied by Perhutani as a means to maintain the quality and give additional income people living around plantation. In general, is planting crops for limited duration. One planted stands papaya that together with seedlings until 2 years. This study aims analyze feasibility cultivation Purwaharja Village, Banjar City. analysis tools used include NPV (Net Present Value) BCR (Benefit Cost Ratio). results this show IDR...

10.20886/jai.2019.2.1.11-18 article EN cc-by-nc-sa Jurnal Agroforestri Indonesia 2019-07-01
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