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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Ilmu Pertanian Indonesia Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Indonesian Journal of Geography Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) agriTECH MEDIAN Jurnal Penelitian Kehutanan FALOAK Jurnal Kehutanan Papuasia (Journal of Papuasia Forestry) IGKOJEI: Jurnal Pengabdian Masyarakat Jurnal Ilmu Kehutanan (Jurnal Ilmu Al-Qur'an dan Tafsir)
- Mahmud
Jurusan Kehutanan, Fakultas Kehutanan Universitas Papua, Manokwari, Papua Barat, Indonesia,98314
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Social Sciences Veterinary Other

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A STUDI ALIH FUNGSI MENJADI PERTAMBANGAN SEMEN PADA HUTAN LINDUNG MARUNI KABUPATEN MANOKWARI A STUDY CONVERSION TO BE MINING CEMENT IN MARUNI PROTECTED FOREST MANOKWARI REGENCY Mahmud Mahmud; Heru Joko Budirianto; Wahyudi Wahyudi; Ambar Kusumandari
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol. 10 No. 3 (2020): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Graduate School Bogor Agricultural University (SPs IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.10.3.545-558

Abstract

Protected forests play an important role in supporting human life, protecting land and water and preventing the dangers of flooding and landslides, but a lot of conversions have taken place today. Research-based on techniques for observation, interviews, and case studies. Measurement of respondents' perceptions and attitudes is carried out using instruments in the form of questionnaires that refer to the Likert scale. Data analysis was performed descriptively to describe the level of perception, attitude with simple non parametric linear regression. Maruni protected forest has the potential of limestone with 11 mineral elements, 5 of which are the largest Ca (93.62%), Si (2.45%), Mg (1.58%), Al (0.97%) ) and K (0.47%). This forest allows conversion area, from an area of ​​969.84 ha with limestone potential of only 250 ha (25.78%), another 719.84 ha (74.22%) can still be designated as a protected forest. The public perception of conversion to cement mining was 59.03% negative, 14.83% neutral and 26.12% positive. While the attitudes of the community 43.1% accept, 38.94% neutral and 47.92% reject the conversion to become cement mining. The community hopes that there will be economic improvement, community empowerment and employment, especially affected communities. Keywords: Conversion, cement mining, Maruni protected forest/HLM, perception, attitude
Biophysical characteristics of Wosi Watershed area in Manokwari Regency, Indonesia Mahmud; Abdul Aziz; Danang Wijaya; Wahyudi; Bambang Nugroho; Denisa Melanesia
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 13 No 1 (2023): Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (JPSL)
Publisher : Pusat Penelitian Lingkungan Hidup, IPB (PPLH-IPB) dan Program Studi Pengelolaan Sumberdaya Alam dan Lingkungan, IPB (PS. PSL, SPs. IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jpsl.13.1.88-101

Abstract

Flood is number one Indonesian natural disaster in the last 10 years and its occurrence at Manokwari is frequently reported. Biophysical condition is playing a key role in carrying capacity of this catchment area.This study is to determine biophysical characteristics of Wosi Watershed to manage and mitigate flooding in Manokwari. Spatial analysis and field observation methods were used to collect the data. Biophysical variables are rainfall, watershed morphometric, slope, and land used. Carrying capacity is measured using flow regime coefficient and annual flow coefficient. The results showed that the heavy rainfall (> 100 mm) throughout the ten years with 10.5 wet months at average resulting very wet tropical climate. This watershed has an area of 2,346.32 ha, its circumference of 29.95 km2 with river length of 8.38 km resulting 0.33 (triangle) and 1.027 (triangle) for Rc and Re, respectively. This morphometry is rectangular and slightly oval(triangular) formed of four rivers with drainage pattern of dendritic, which resembles the shape of a tree branch/twig. Steep slopes are dominant (58.5%), with non-forest area (62%) of the flat and steep slope for settlement (698 ha), and flat slope for mixed dry farming (707 ha). From 2016-2020, river water flow changes rapidly from low to very high to generate flooding, but the carrying capacity is sometime changeable from good to bad. Water drainage, retaining walls, replantation, early warning system, and flooding leaflets mitigation campaign, are structural and non-structural mitigation could be parallelly conducted to manage and mitigate the flooding risks in future.
Co-Authors A.A. Ketut Agung Cahyawan W Abdul Aziz Adomina J. Wanggai Ambar Kusumandari Ambar Kusumandari Bambang Nugroho Bambang Nugroho Bambang Nugroho Bambang Nugroho Danang Jatmika Wahyu Wijaya Danang Wijaya Danang Wijaya Denisa Melanesia Dewi Meilani Fadel Muhammad Febriza Dwiranti Hasyim, Imam Heru Joko Heru Joko Budirianto Imam A. Salim Julius D. Nugroho Khairan . Kornelius Kolo La Ode Muhlis Luisa N. Laos MUTAKIM Mutakim Mutakim Nari Iwou Nunuk Supriyatno Olce Y. Mandacan Rinaldi Idroes Ronald Dowansiba Sahid Susanto Saiful . Siti Hanafiah Hegemur Sudarmadji Sudarmadji Surianto Bataradewa Wahyudi Wahyudi Wahyudi - wahyudi sayuti pono Wahyudi Wahyudi Wahyudi Wahyudi Wahyudi, Wahyudi Yohanan Y. Mamesah Yohanes Y. Rahawarin Yulince M. Awom