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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management BIOTROPIA - The Southeast Asian Journal of Tropical Biology Indonesian Journal of Forestry Research Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Biosaintifika: Journal of Biology & Biology Education Forest and Society Jurnal Kehutanan Papuasia (Journal of Papuasia Forestry) Cassowary COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat Indonesian Journal of Forestry Research
Agustinus Murdjoko
Faculty of Forestry, Papua University, Manokwari, West Papua, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Social Sciences Veterinary

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Journal : Cassowary

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Dinamika kawasan kesatuan pengelola hutan produksi Sorong Selatan Raharjo, Syafrudin; Sinaga, Posma Pitta; Murdjoko, Agustinus
Cassowary Vol 7 No 1 (2024): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v7.i1.252

Abstract

Land cover changes continue to occur, bearing in mind that humans need resources and living space to continue to develop. Forest destruction is a form of change or dynamics of land termination, a problem in areas with extensive forest resources but high dependence on forests for people's lives. In Indonesia, KPH is the institution in charge of managing regional forests. With its forest area that is still maintained, Papua Island has many KPHs, one of which is the South Sorong KPHP. This study aims to determine the magnitude of changes in land cover, especially those that cause forest damage, such as deforestation and forest degradation, as well as other impacts caused by this damage, namely CO2 emissions. The research was conducted in the South Sorong KPHP working area from February to April 2023. This research used a descriptive method through map analysis. The results of the analysis of land cover for 2012 to 2021 show changes in land cover in forest areas causing forest damage in the form of deforestation and forest degradation. Deforestation in the last ten years reached 19,991.83ha, while the area of ​​forest degradation was 67,044.58ha. As a result of deforestation and forest degradation, forest carbon stocks are released and cause CO2 emissions. Deforestation CO2 emissions from the South Sorong KPHP area amounted to 13,418,062.28 tons of CO2, or around 70.68% of the total CO2 emissions, with an average emission of 1,341,806.23 tons of CO2/year. The highest CO2 emissions due to deforestation occurred in three periods, namely the periods 2016-2017, 2018-2019, and 2020-2021. Forest degradation contributes to CO2 emissions of 5,566,602.38 tons of CO2, or around 29.32% of the total CO2 emissions, with an average of 556,660.24 tons of CO2/year. Keywords: Land cover, forest destruction, deforestation, forest degradation, and CO2 emissions
Dinamika deforestasi dan degradasi hutan di Provinsi Papua Febi Selvandy Putri, Eka; Murdjoko, Agustinus; Raharjo, Syafrudin
Cassowary Vol 7 No 2 (2024): Juni
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v7.i2.305

Abstract

ABSTRACT: The dynamics of the change in forest cover and its impact on carbon dioxide emissions in Papua Province over the 32 years, from 1990 to 2022. The research was carried out from April to May, using secondary data consisting of land cover maps, slopes of slope, and forest function on a scale of 1:250.000 and administrative territory boundaries on a scale of 1:50.000. The analysis methods involve codification processes, map overlay, land cover change analysis, and CO2 emission calculation. Research results show that during the period, Papua Province suffered significant deforestation. Deforestation was recorded at 256.065 ha at an average rate of 8.002 ha/year, while forest degradation reached 965.955 ha with an average speed of 30.186 ha/year. Further analysis shows that Sarmi district is the region with the highest level of damage, with deforestation of 35.507 ha and forest degradation of 292.860 ha. The impact of deforestation and forest degradation on carbon dioxide emissions is also very significant. Deforestation accounts for about 174.720.433 tons of CO2, with an annual average of 5.460.014 tons of CO2/year, while forest degradation contributes about 193.584.910 tons of CO2, with an average yearly of 6.049.528 tons of CO2/year. Deforestation and forest degradation in Papua Province are complex and interrelated. The leading causes are economic, mining, and social factors. As a result, these findings suggest that the Papua Province needs better forest conservation and management measures and the development of sustainable policies to maintain the sustainability of forest ecosystems and reduce greenhouse gas emissions.
Analisis kondisi tegakan pada kawasan hutan perkotaan dan pengaruhnya ter-hadap iklim mikro Di Kota Manokwari Tri Apdian, Yulianto; H. S. Siburian, Rima; Murdjoko, Agustinus
Cassowary Vol 8 No 1 (2025): Januari
Publisher : Program Pascasarjana Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30862/casssowary.cs.v8.i1.322

Abstract

ABSTRACT: This research aims to analyze forest stand conditions that influence the microclimate in Manokwari urban forests and microclimate conditions that can provide comfort for the surrounding environment. The results of satellite imagery photos show that Manokwari city's land use is forest in the 5 year period, there has been a change in land use area, in 2017 the residential area was 1,512.34 ha to 1,714.58 Ha in 2022, there was an increase of 202.24 Ha. The temperature inside the forest area was recorded at 26.3°C, while outside the forest area it was recorded at 31.1°C. Manokwari has experienced extreme microclimate changes over the last 5 years, the temperature has increased to around 1.5°C, apart from that the humidity has also been recorded to have decreased significantly. Analysis of the comfort index shows that the forest temperature in the Amban region is lower than in other areas studied. Another important thing is that areas in the city that have stands of trees can immediately be designated as urban forests. Based on an analysis of oxygen consumption in various sectors and its population, Manokwari City requires the development of around 918.96 ha of urban forest. To maintain the continuity of the microclimate, it is necessary to immediately issue regulations by the Regional Government regarding the designation of existing areas as urban forests.
Co-Authors Agustinus Andyratnah Rumayomi, Nimrod Antoni Ungirwalu Aristone Djitmau, Dony Benu, Nithanel Mikael Hendrik Djitmau, Dony Aristone Djoko Marsono Febi Selvandy Putri, Eka H. S. Siburian, Rima Kambu, Jois Karubuy, Claudia Novia Sandy Lense, Obed Nedjo Maitar, Bustar Marwa, Jonni Mikael Hendrik Benu, Nithanel MULYADI Mulyadi Mulyadi Peday, Mariana Y. Relawan Kuswandi Ronggo Sadono Rumayomi, Nimrod Agustinus Andyratnah San Afri Awang Sepus M. Fatem Siburian, Rima Sinaga, Posma Pitta SUWARNO HADISUSANTO Syafrudin Raharjo Tri Apdian, Yulianto Tuharea, Ade Fachrianto Raipatty Yubelince Runtuboi