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All Journal Indonesian Journal of Geography Abdimas Jurnal Teknosains Majalah Geografi Indonesia Journal of Degraded and Mining Lands Management Jurnal Nusa Sylva Spatial : Wahana Komunikasi dan Informasi Geografi ULIN: Jurnal Hutan Tropis Jurnal Hutan Pulau-Pulau Kecil : Jurnal Ilmu-Ilmu Kehutanan dan Pertanian Jurnal Agrohut MAKILA: Jurnal Penelitian Kehutanan Tropical Small Island Agriculture Management Jurnal Abdi Inovatif : Pengabdian kepada Masyarakat Jurnal Manusia dan Lingkungan Jurnal Geografi, Lingkungan dan Kesehatan Forest and Nature
Bokiraiya Latuamury
Department Of Forestry, Faculty Of Agriculture, University Of Pattimura, Ambon 97233
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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VARIASI PERUBAHAN PENGGUNAAN LAHAN PADA BERBAGAI TIPE BENTUKLAHAN DAN KAITANNYA DENGAN ALIRAN DASAR SUNGAI PADA DAS KEDUANG PROVINSI JAWA TENGAH (The Variation of Land-Use Change in Various Landform Type and Its Correlation With River Baseflow) Bokiraiya Latuamury; Sudarmadji Sudarmadji; Slamet Suprayogi
Jurnal Manusia dan Lingkungan Vol 23, No 2 (2016): Juli
Publisher : Pusat Studi Lingkungan Hidup Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jml.18790

Abstract

ABSTRAKPenelitian variasi penggunaan lahan dan kaitannya dengan aliran dasar skala DAS semakin banyak digunakan, sebagai akibat dari kebutuhan air yang terus meningkat. Karakteristik DAS mempengaruhi proses perubahan curah hujan sebagai masukan, dan aliran sungai sebagai keluaran. Untuk itu penting dilakukan penelitian dengan tujuan untuk menganalisis secara geospasial mengenai variasi perubahan penggunaan lahan pada berbagai tipe bentuklahan dalam kaitannya dengan aliran dasar sungai. Hasil analisis statistik variasi penggunaan lahan pada berbagai tipe bentuklahan dalam kaitannya dengan aliran dasar sungai secara geospasial menunjukkan bahwa ada perubahan yang signifikan. Karakteristik aliran dasar sungai di DAS Keduang Kabupaten Wonogiri Provinsi Jawa Tengah menunjukkan bentuk kurva resesi landai dengan koefisien resesi 0,99 dan volume aliran dasar rata-rata cukup tinggi. Analisis kurva resesi menggambarkan kondisi aliran dasar memiliki kemampuan menyimpan dan meloloskan aliran optimal. Dengan demikian pengelolaan ekosistem sungai secara bersinergi dan berkelanjutan dapat mempertahankan pola pemanfaatan sungai oleh masyarakat sekitar sebagai sebuah alternatif ketersediaan air masyarakat lokal. ABSTRACTNowadays, research that concerning in the relation between land use change and baseflow in watershed scale are increased due to the increasing water demand. Watershed characteristic typically affecting the alteration of rainfall as input and river flow as output. Therefore, this research aims to perform geospatial analysis on the variation of landuse change in various landform type and its correlation with river baseflow. Results from statistical analysis of landuse on the various types of landform and its correlation with river baseflow indicated that there are significant changes. Baseflow characteristic in Keduang watershed, Wonogiri, Central Java Province shows that the shape of recession curve is ramps with coefficient 0,99 and high baseflow average. Recession curve analysis describes that baseflow condition capable in storing and through the optimum flow. Hence, synergic and sustainable river ecosystem management could maintain river utilization pattern by the local community as an alternative for local water supply.
Dissemination of the Agroecological Model of Alang-Alang Land Reclamation to Increase Land Productivity Latuamury, Bokiraiya; Putuhena, Jusmy D; Sahupala, Billy B
Jurnal Abdimas Vol 27, No 2 (2023): December 2023
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/abdimas.v27i2.48320

Abstract

Using reed land for agriculture and improving productivity is cheaper than clearing forests because clearing new forests negatively impacts environmental quality. Reed control technology combined with an agroecology approach is expected to ensure a sustainable eradication of reed populations followed by technical culture and food crop cultivation patterns throughout the year. This community service program can solve food production problems, land fertility, and other environmental impacts. Community service program solutions can classify reed land based on land quality, educate the community in utilizing reed land reclamation techniques in ready-to-plant land blocks, evaluate the skills of farmers/communities based on crop production in reed reclamation blocks, and involve the community in naming superior and environmentally friendly agricultural varieties in the la block program solutions can classify reed land based on land quality, and educate the community in utilizing reed land reclamation techniques in ready-to-plant land blocks, evaluate farmer/community skills based on crop production in reed reclamation blocks, and involve the community in naming superior and environmentally friendly agricultural varieties in reed reclamation blocks.
Comparing Master Recession Curves using Seven Baseflow Recession Models Latuamury, Bokiraiya
Indonesian Journal of Geography Vol 56, No 2 (2024): Indonesian Journal of Geography
Publisher : Faculty of Geography, Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijg.89691

Abstract

Baseflow recession analysis is an effective method for understanding catchment area releasing flow during dry season (without rainfall), thereby facilitating the management of water resources. Despite the availability of several theories on recession curves, there are limited studies on the comparison of different approaches. To overcome the limitation, several studies have reported the ability of master recession curves (MRC) modeling to combine automated methods for analyzing recession periods and curves shapes based on river flow data. Therefore, this study aimed to compare seven baseflow recession models for MRC characterization in small island watersheds. The Turkey test results showed that MRC visualization varied, particularly in terms of slope parameters and shapes. The seven recession models were grouped into two subsets based on their similarity. The first subsets consisted of Turbulent, Dupuit-Boussinesq aquifer storage, Depression-detention storage, Horton double exponential, Linear reservoir, and Exponential reservoir. Meanwhile, the second subset comprised Hyperbolic reservoir, Turbulent, Dupuit-Boussinesq aquifer storage, Depression-detention storage, Horton double exponential, and Linear reservoir. The findings also showed that the variability of MRC behavior depended on groundwater recharge, storage channel conditions, aquifer characteristics, and climate in the study area. These findings were also relevant to the development of MRC in other regions, such as hydrorecession tools, MRCPtool applications, sensitivity analysis-based Automatic parameter calibration of the VIC model for streamflow simulation over China, and spatial and temporal patterns in baseflow recession in the continental United States.
EKO-EDUKASI PENANAMAN POHON DAN KEMANFAATANNYA UNTUK EKOSISTEM LINGKUNGAN BAGI SISWA PENDIDIKAN DASAR Latuamury, Bokiraiya; Talaohu, Moda; Sahusilawane, John F
Jurnal Abdi Inovatif : Pengabdian kepada Masyarakat Vol. 3 No. 1 (2024): Jurnal Abdi Inovatif : Pengabdian kepada Masyarakat
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jai.v3i1.702

Abstract

The tree planting program aims to maintain environmental balance and sustainability to create environmental health and balance the present and future water systems. The tree planting eco-education program is an environmental education effort that has become a popular community movement. This Community Service Program (PKM) aims to increase awareness of 9-year primary education students, especially elementary school students. The extension method uses simple teaching aids in short videos and presentations containing children's animated images regarding tree planting eco-education and its benefits for environmental sustainability, especially water management on the small islands of Maluku Province. The PKM solution measures primary education students' knowledge and attitudes regarding tree planting and its benefits in maintaining partner areas' environmental ecosystem and water management (hydro-orological system). The results of the assessment criteria for students' knowledge and attitudes regarding tree planting and its benefits for the environmental ecosystem are included in the medium category. The expected result of the PKM program is that it can educate students at SD Negeri 300 Central Maluku to improve the knowledge and attitudes of students in the middle category who are increasing in partner areas. Keywords: benefits of tree planting, small island, elementary school students, water management Abstrak Program penanaman pohon merupakan upaya menjaga keseimbangan dan kelestarian lingkungan guna mewujudkan kesehatan lingkungan dan menyeimbangkan tata air masa kini dan masa depan. Program eko-edukasi penanaman pohon merupakan sebuah upaya pendidikan lingkungan yang menjadi gerakan komunitas yang populer. Program Pengabdian Kepada Masyarakat (PKM) ini bertujuan untuk meningkatkan penyadartahuan siswa pendidikan dasar 9 tahun terutama siswa Sekolah Dasar. Metode penyuluhan menggunakan alat peraga sederhana berupa video singkat dan presentasi yang berisi gambar animasi anak mengenai eko-edukasi penanaman pohon dan kemanfaatannya bagi kelestarian lingkungan dan khususnya tata air di pulau kecil Provinsi Maluku. Solusi PKM yang ditawarkan adalah mengukur pengetahuan dan sikap siswa pendidikan dasar mengenai penanaman pohon dan kemanfaatannya dalam menjaga ekosistem lingkungan dan tata air (sistem hidro-orologi) wilayah mitra. Hasil penilaian kriteria untuk pengetahuan dan sikap siswa mengenai penanaman pohon dan kemanfaatannya bagi ekosistem lingkungan termasuk dalam kategori sedang. Hasil yang diharapkan dari program PKM adalah program PKM ini dapat mengedukasi siswa SD Negeri 300 Maluku Tengah meningkatkan pengetahuan dan sikap siswa-siswi yang kategori sedang semakin meningkat di wilayah mitra. Kata Kunci: kemanfaatan penanaman pohon, pulau kecil, siswa sekolah dasar, tata air
ANALISIS PEMANGKU KEPENTINGAN (STAKEHOLDER) TERHADAP PENGELOLAAN SUMBERDAYA AIR DAS WAE BATU MERAH KOTA AMBON Haulussy, Rizky; Latuamury, Bokiraiya; Iskar, Iskar
MAKILA Vol 18 No 1 (2024): Makila: Jurnal Penelitian Kehutanan
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/makila.v18i1.10561

Abstract

This study aims to identify the main roles and tasks of relevant stakeholders in managing water resources and analyze the stakeholders influence and interests in managing water resources of the Wae Batu Merah Watershed of Ambon City. The research method uses a descriptive with a qualitative approach. The sampling method was purposive sampling, which in this research was 13 agencies/institutions/Apparatus Organizations (OPD). The research identified relevant stakeholders main roles and tasks in the management of water resources of the Wae Batu Merah Watershed in Ambon City including 13 Regional OPD/ agencies/ government/institutions. The results of mapping the influence and interests of stakeholders related to water resources management in the Batu Merah watershed show that there are four stakeholders in quadrant I (subjects), namely the Soya State Government, Batu Merah State Government, PT Dream Sukses Arindo and PDAM Kota Ambon. Quadrant II (Player) are the River Basin Center of Maluku Province, the Maluku Provincial Forestry Service. The Maluku Provincial Watershed Management Center, and the Disaster Management Agency of Ambon City. Quadrant III (Crowd) are the Maluku Provincial Watershed Forum, and the Regional Technical Implementation Unit Forest Management Unit of Ambon City. Finally, quadrant IV (context setters), are the Research and Development Agency of Ambon City, the Regional Development Planning Agency of Maluku Province, and the Environment Office of Maluku Province.
LANDSCAPE CHANGES BASED ON HYDROLOGICAL CHARACTERISTICS IN THE WAE RIUAPA WATERSHED WEST SERAM REGENCY, MALUKU, INDONESIA Patimang, Anthoinete Linda; Papilaya, Patrich Ph. E.; Latuamury, Bokiraiya
MAKILA Vol 18 No 2 (2024): Makila: Jurnal Penelitian Kehutanan
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/makila.v18i2.12703

Abstract

Changes in the Wae Riuapa River Basin landscape in West Seram Regency, Maluku, reflect complex ecological and social dynamics. The Wae Riuapa watershed is an integral part of the hydrological cycle in the region, influencing water availability, water quality, and geomorphological processes. This research aims to model changes in the landscape of the Wae Riuappa watershed regarding hydrological characteristics. The research method uses ArcGIS 10.3 for spatial analysis of 2010 and 2020 Landsat images and hydrooffice 12.0 software, BFLOW 3.0 module, a hydrological model for graphical separation of daily discharge. The results of modeling landscape changes in the Wae Riuappa watershed on hydrological characteristics obtained a regression model that depicts landscape changes as having a significant simultaneous and partial influence on discharge conditions in the Wae Riuappa watershed during the research period. The spatial pattern of area distribution for the nine land cover types in the study period was relatively similar. Widespread forest land cover still dominates the landscape of the Wae Riuapa watershed. However, the pattern of widespread distribution of changes is starting to decrease in primary and secondary forest land cover. Meanwhile, the distribution pattern of changes in agricultural land and mixed gardens and settlements has increased slowly and significantly. The results of a multi-temporal analysis of the hydrological characteristics of the Wae Riuapa watershed show that the daily discharge trend experiences multi-temporal fluctuations.
Management of water resources in the Wae Rupa Watershed in the Perception of the Community of Hukurila Village, Ambon City Tella, Dwi H N; Latuamury, Bokiraiya; Sahureka, Mersiana
Tropical Small Island Agriculture Management Vol 4 No 2 (2024): Tropical Small Island Agriculture Management
Publisher : Pattimura University Ambon Maluku Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/tsiam.2024.4.2.89

Abstract

Community-based water resources management is an approach that accommodates the active role of communities in protecting and conserving water resources. This research aims to analyze the correlation between the socio-economic characteristics of the community and community-based water resource management in Hukurila village, Ambon City. The data collection method uses interviews and field observations with data analysis using Rank-Spearman correlation to analyze the correlation between research parameters. This means that every form of natural resource utilization is carried out by considering watershed sustainability aspects. The analysis results of the community perceptions (knowledge and attitudes) assessment regarding community-based water resources management show that the level of community knowledge is in the high category, and the attitude assessment is in the medium category. The results of the Spearman Rank analysis between the level of knowledge and attitudes related to water resources management obtained a Spearman coefficient of 0.446 with a significance of 0.001 at the 99% confidence level. In comparison, the active attitude of the community with community-based watershed management obtained a Spearman coefficient of 0.337 with a significance of 0.017 at the 95% confidence level. Community perception, which includes community knowledge and attitudes, has a positive and significant relationship with sustainable and sustainable watershed management.
PENDAMPINGAN POLA ADAPTASI MASYARAKAT PESISIR TERHADAP KELANGKAAN SUMBER AIR BERSIH DI NEGERI ITAWAKA KABUPATEN MALUKU TENGAH Latuamury, Bokiraiya; Imlabla, Wilma Nancy; Marasabessy, Husain
Jurnal Abdi Inovatif : Pengabdian kepada Masyarakat Vol. 3 No. 2 (2024): Jurnal Abdi Inovatif : Pengabdian kepada Masyarakat
Publisher : Universitas Nusa Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31938/jai.v3i2.701

Abstract

The scarcity of clean water sources is a significant problem in many coastal communities, where access to clean water is limited, and water quality is threatened by pollution and climate change. The community service program (PKM) aims to educate coastal communities on adaptation patterns to the scarcity of clean water sources through effective counseling and assistance to increase community resilience. The extension method uses a participatory approach by involving the community in education regarding introducing water filtration media and training in water treatment technology using simple technology. The educational process for coastal communities in Itawaka State regarding the introduction of filtration media originating from local resources and recognizing adaptation techniques for the use of simple technology such as simple and cheap water filtration systems and efficient storage systems can help overcome the scarcity of clean water, as well as maintaining water filtration systems sustainable clean.
Master recession curve visualization using seven baseflow recession models in paired watersheds Latuamury, Bokiraiya; Mardiatmoko, Gun; Kastanya, Agustinus
Jurnal Teknosains Vol 14, No 1 (2024): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.90705

Abstract

River flow recession analysis plays a crucial role in understanding how watersheds release water during dry periods. Consequently, modeling baseflow recession is closely related to the characteristics of unconfined aquifers, storage behavior, and the discharge properties of the watershed. While several theories exist on modeling recession curves, limited research has compared different approaches regarding baseflow recession characteristics. This study aims to model seven baseflow recession equations in paired watersheds in Ambon City. The research methodology involves calibrating seven baseflow recession models using the Recession Curve (RC) 4.0 Hydro Office software. The tested models include Linear Reservoir, Exponential Reservoir, Double Exponential Horton, Dupuit-Boussinesq Aquifer Storage, Depression Storage, Turbulent Flow Model, and Hyperbolic Function Model. The calibration results yield optimal combinations of recession parameters. The parameterization order from highest to lowest is as follows: Depression Storage, followed by the Hyperbolic Function, Exponential Reservoir, Turbulent Flow Model, Double Exponential Horton, Linear Reservoir, and Dupuit-Boussinesq Aquifer Storage. Quantifying baseflow recession constants and coefficients is essential for understanding baseflow behavior. Visualizing the slope of the Recession Curve (MRC) reveals that models with high recession constants tend to have gradual MRCs, while low recession constants result in steep MRCs. The MRC slope further describes the relationship between storage conditions and discharge from the watershed. The advantage of creating MRCs from discontinuous recession segments lies in their ability to appropriately describe the MRC process and provide quantitative parameters relevant to drainage mechanisms. MRCs also serve as an optimal automated computational tool.
Dampak Faktor Sosial Ekonomi terhadap Perubahan Tutupan Lahan di Daerah Aliran Sungai Waerupa, Negeri Hukurila, Kota Ambon Rumasoreng, Bin A.; Latuamury, Bokiraiya; Siahaya, Troice E.
Jurnal Geografi, Lingkungan dan Kesehatan Vol 2 No 2 (2024): Jurnal Geografi, Lingkungan dan Kesehatan
Publisher : Program Studi Pendidikan Geografi Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/jglk.2.2.17278

Abstract

Perubahan tutupan lahan merupakan fenomena yang signifikan dalam dinamika ekosistem daerah aliran sungai. Perubahan ini dipengaruhi oleh berbagai faktor, termasuk aspek sosial ekonomi masyarakat yang menghuni kawasan tersebut. Penelitian ini bertujuan untuk menganalisis dampak faktor sosial ekonomi, yang meliputi umur, pendidikan, pekerjaan, pendapatan, dan jumlah tanggungan keluarga, terhadap perubahan tutupan lahan (hutan, lahan pertanian, permukiman), perkembangan aksesibilitas, dan pertumbuhan penduduk. Metode penelitian menggunakan pendekatan kuantitatif dengan analisis regresi linear berganda untuk menguji hubungan antara variabel sosial ekonomi dan perubahan tutupan lahan. Uji statistik meliputi uji asumsi klasik (multikolinearitas, heteroskedastisitas, dan autokorelasi), uji regresi, dan uji parameter individu untuk menguji pengaruh variabel independen terhadap variabel dependen. Hasil penelitian menunjukkan bahwa variabel pekerjaan dan pendapatan memiliki pengaruh signifikan terhadap perubahan tutupan hutan, lahan pertanian, dan permukiman. Jumlah tanggungan keluarga juga ditemukan signifikan dalam memengaruhi perkembangan aksesibilitas. Sementara itu, variabel pendidikan menunjukkan pengaruh yang tidak signifikan terhadap semua kategori perubahan tutupan lahan. Uji koefisien determinasi (adjusted R²) mengungkapkan bahwa variabel sosial ekonomi secara keseluruhan mampu menjelaskan perubahan tutupan lahan pada hutan sebesar 96%, lahan pertanian 94,8%, permukiman 98,4%, aksesibilitas 90,1%, dan pertumbuhan penduduk 91,8%. Berdasarkan hasil tersebut, penelitian ini merekomendasikan pengembangan kebijakan berbasis sosial ekonomi untuk mendukung pengelolaan lahan yang berkelanjutan di DAS Waerupa. Pemerintah daerah diharapkan memberikan perhatian khusus pada peningkatan pendidikan masyarakat, diversifikasi pekerjaan, dan pengelolaan pendapatan yang lebih baik untuk mengurangi tekanan pada sumber daya lahan. Penguatan aksesibilitas infrastruktur juga perlu diimbangi dengan perlindungan kawasan hutan dan pertanian untuk menjaga keseimbangan ekosistem di wilayah tersebut.
Co-Authors Christy C.V. Suhendy Daoa, Bahri Derlauw, Nanang S Djumat, Juni La Elna Soukotta Fitriyanti Kaliky Gun Mardiatmoko Gunawan Hartono Haulussy, Rizky Hendrik S E S Aponno Husain Marasabessy Husain Marasabessy Husein Marasabessy Husin, Rizal Imlabla, Wilma Nancy Iskar Iskar Iskar, Iskar John F Sahusilawane Kastanya, Agustinus Kelihu, Syamsul Fallah Loppies, Ronny Lydia Riekie Parera Makahity, Marisa Christina Marasabessy , Much Hidayah Marasabessy, Husain Marasabessy, Sitna Mersiana Sahureka Miranda H Hadijah Miranda H Hadijah Miranda H. Hadijah Moda Talaohu Oktari, Rina Suryani Papilaya, Patrich E. Ph. Papilaya, Patrich Ph. E. Patimang, Anthoinete Linda Putuhena, Jusmy D Robert Ozsaer Rumasoreng, Bin A. Sahupala, Billy B Sahureka, Mersiana Sahusilawane, John F Sahusilawane, John Frangky Siahaya, Jesy Sammy Simataw, Gusmianti Sitna Marasabessy Slamet Suprayogi Slamet Suprayogi Slamet Suprayogi Sudarmadji Sudarmadji Sudarmadji Sudarmadji Suhendy, Christy C.V. Suman Sangadji Talaohu, Moda Tella, Dwi H N Totok Gunawan Troice E Siahaya Umar, Dewi Bin Wilma N Imlabla Wilma Nancy Imlabla