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Dinamika Pertumbuhan Hutan Pada Areal Pt Wijaya Sentosa Tuharea, Ade Fachrianto Raipatty; Murdjoko, Agustinus; Lense, Obed N.
COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 5 No. 2 (2025): COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/comserva.v5i2.3289

This study investigates the dynamics of forest stand structure and growth in a post-logging area within the concession of PT Wijaya Sentosa. located in the karst-dominated highlands of Papua. Indonesia. The analysis focuses on the transition of tree diameter classes over a 71year monitoring period. highlighting a significant shift in population structure from small diameter to large diameter classes. The mortality rate remained low (<1%), while recruitment accounted for 32% of the total individuals, suggesting strong regenerative capacity and ecological resilience. Spatial distribution analysis using Kolmogorov-Smirnov tests indicated a shift from normal to non-normal distribution after 2018, likely due to stand structural changes and environmental pressures. These findings underscore the importance of dynamic, long-term monitoring in sustainable forest management. Adaptive management strategies such as extended cutting cycles. enrichment planting, and conservation of high-value species-are recommended to support continued forest recovery and biodiversity maintenance. The observed structural transition reinforces the notion that selectively logged tropical forests can maintain high ecological functionality when managed with precision and care.

INTEGRATING TRADITIONAL ECOLOGICAL KNOWLEDGE IN TELUK BINTUNI DISTRICT: OPPORTUNITIES AND CHALLENGES FOR SUSTAINABLE RESOURCE MANAGEMENT Agustinus Andyratnah Rumayomi, Nimrod; Murdjoko, Agustinus; Ungirwalu, Antoni; Mulyadi, Mulyadi; Mikael Hendrik Benu, Nithanel; Aristone Djitmau, Dony
BIOTROPIA Vol. 32 No. 2 (2025): BIOTROPIA Vol. 32 No. 2 August 2025
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11598/btb.2025.32.2.2486

HIGHLIGHTS- Traditional knowledge plays a crucial role biodiversity conservation. - In Teluk Bintuni District, local regulations support the integration of traditional knowledge, promoting collaboration for sustainable resource management. - The study highlights the need for community engagement, capacity building, and education to effectively utilize traditional ecological.- Successful conservation initiatives require collaboration to balance economic growth with environmental stewardship and social inclusivity, ultimately fostering sustainable development. ABSTRACTTraditional knowledge is vital for wildlife management and forest conservation in tropical regions and is passed down through generations. Thus, this research was designed to identify the challenges and opportunities encountered in implementing Traditional Ecological Knowledge (TEK) during regional development, particularly in relation to natural resource management in Teluk Bintuni District. The data were collected through interviews with local people and a Focus Group Discussion (FGD) involving government officials, Non-Governmental Organizations (NGOs), and local figures. The results revealed that the government had enacted Regional Regulation Number 1 of 2019 to recognize the customary rights of seven tribes, i.e., the Kuri, Wamesa, Irorutu, Sebyar, Simuri, Sougb, and Moskona tribes, thereby protecting traditional communities. The regulations emphasize the prioritization of people's rights in development, supported by the establishment of LMA Tujuh Suku (a Traditional Community Institution of Seven Tribes). The tribes have been utilizing TEK to deal with social and environmental issues, integrating the issues into development procedures to foster conservation and economic growth. The challenges, such as poor infrastructure, political instability, and low community engagement, hinder effective implementation. The strengths include accessible natural resources and international funding for conservation. The study highlighted the importance of education, stakeholder collaboration, and technology in documenting and incorporating TEK into conservation planning through participatory research, capacity building, and adaptive management.

Forest Conservation by Conserving Socio-cultural Aspects: A Lesson from the Sougb Tribe in Teluk Bintuni, West Papua Province Rumayomi, Nimrod Agustinus Andyratnah; Murdjoko, Agustinus; Ungirwalu, Antoni; Mulyadi; Benu, Nithanel Mikael Hendrik; Djitmau, Dony Aristone
Jurnal Manajemen Hutan Tropika Vol. 31 No. 3 (2025)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7226/jtfm.31.3.288

Forest has been part of local people such as Sougb Tribe for generations where at the same time they have applied the traditional knowledge. However, the local government has been conducting development for decades with less involvement of the local knowledge. Hence, this research aimed to figure out the traditional knowledge during the forest utilization by Sougb Tribe in Teluk Bintuni, West Papua Province. The data were collected using interviews with the snowball method in subdistricts of Bintuni, Bintuni Timur, Manimeri, Tuhiba, and Tembun. Then, the study revealed that the Sougb Tribe, originally part of the Arfak Tribe, has inhabited the Teluk Bintuni area for generations, migrating from the highlands to the lowlands due to various factors like marriage and conflict. They still maintain customary rights while managing the land through traditional organizations. This tribe relies profoundly on forest resources for sustenance, practicing sustainable agriculture and traditional hunting. Despite facing challenges in forest utilization, they emphasize the importance of biodiversity and traditional knowledge in local conservation. Thus, it is vital to integrate this local wisdom into regional development that can enhance sustainability and cultural preservation, fostering community engagement and ecological balance.

Local Wisdom of Pest Attack Control in Residential Areas (Study Case: Gunung Meja Nature Park, West Papua, Indonesia) Karubuy, Claudia Novia Sandy; Murdjoko, Agustinus; Siburian, Rima
Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) Vol 14 No 1 (2024): 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.14.1.35-47

Healthy plants can be seen from good morphology and are not even attacked by pests. Local community knowledge of seeing symptoms and signs of plant stature will be very helpful, especially in dealing with problems related to plant growth. This study aims to determine the form of local wisdom in dealing with plant pests in residential areas around the Gunung Meja Nature Park. The method used is observation and interviews related to the identification of forms of attack, the level of pest attack on plants, and their handling by the community. The research object is focused on multipurpose tree species that produce wood and non-timber trees such as fruits that have high economic value. The results showed that the number of plant species in Anggori was 137 plants with a diversity index (H) of 2.956 which was included in the medium category. Plants in Anggori also suffered damage caused by pests with an attack frequency (FS) of 50% and attack intensity (IS) on plants of 21%. Pest control has been carried out by the community traditionally, such as 12% pruning, 8% logging, 20% fumigation, 8% stove ash and 16% soap to eradicate pest attacks.

Dinamika Pertumbuhan Hutan Pada Areal Pt Wijaya Sentosa Tuharea, Ade Fachrianto Raipatty; Murdjoko, Agustinus; Lense, Obed N.
COMSERVA : Jurnal Penelitian dan Pengabdian Masyarakat Vol. 5 No. 2 (2025): COMSERVA: Jurnal Penelitian dan Pengabdian Masyarakat
Publisher : Publikasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59141/comserva.v5i2.3289

This study investigates the dynamics of forest stand structure and growth in a post-logging area within the concession of PT Wijaya Sentosa. located in the karst-dominated highlands of Papua. Indonesia. The analysis focuses on the transition of tree diameter classes over a 71year monitoring period. highlighting a significant shift in population structure from small diameter to large diameter classes. The mortality rate remained low (<1%), while recruitment accounted for 32% of the total individuals, suggesting strong regenerative capacity and ecological resilience. Spatial distribution analysis using Kolmogorov-Smirnov tests indicated a shift from normal to non-normal distribution after 2018, likely due to stand structural changes and environmental pressures. These findings underscore the importance of dynamic, long-term monitoring in sustainable forest management. Adaptive management strategies such as extended cutting cycles. enrichment planting, and conservation of high-value species-are recommended to support continued forest recovery and biodiversity maintenance. The observed structural transition reinforces the notion that selectively logged tropical forests can maintain high ecological functionality when managed with precision and care.

RECOVERY OF RESIDUAL FOREST ECOSYSTEM AS AN IMPACT OF SELECTIVE LOGGING IN SOUTH PAPUA: AN ECOLOGICAL APPROACH Murdjoko, Agustinus; Marsono, Djoko; Sadono, Ronggo; Hadisusanto, Suwarno
BIOTROPIA Vol. 24 No. 3 (2017): BIOTROPIA Vol. 24 No. 3 December 2017
Publisher : SEAMEO BIOTROP

Papua has been experiencing heavy logging activity in its forests for decades . However, only several studies focused on the effect of logging in the forest ecosystem. This research was aimed to analyze recovery processes of the forest ecosystem. The research was conducted in the logged tropical rainforest in South Papua using ecological approach which used tree communities as biotic and soil condition as abiotic indicators. Data were collected in the logging area of PT Tunas Timber Lestari located in the tropical rainforest of South Papua. There were five groups of forests used in this research i.e. unlogged, one year post selectively-logged, five years post selectively-logged, ten yearsÂ post selectively-logged and fifteen years post selectively-logged forests. Thirty nested plots were laid on each forest group. Canonical Correspondence Analysis (CCA) was applied to analyze the understory and upperstory plant communities. Understory and upperstory plant communities formed different patterns due to logging. Plant communities in the ten and fifteen years post-selectively logged forests were not similar to those in the unlogged forest. Soil organic matter (SOM) content in the selectively logged forests was lower than that in the unlogged forest. These occurrences indicated that the selectively logged forests were still recovering and required more than fifteen years to be fully recovered.

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