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Conventional thinning operations rely heavily on manual decision-making and field-flagging conducted by an experienced forest manager, which is both labor-intensive and prone to human error. The shortage of skilled forestry workers further highlights the need for technological innovations in forest management. This study evaluated the feasibility and efficiency of an ICT -assisted smart thinning system compared to conventional thinning practices. By integrating LiDAR-based forest inventory, machine learning-driven tree selection, and GNSS-RTK navigation, the smart thinning system is anticipated to achieve effective thinning operations with reduced labor requirements. Field simulations were conducted in Pinus koraiensis (Korean pine) and Larix kaempferi (Japanese larch) stands at Kangwon National University experimental forest in South Korea. The smart thinning system achieved localization accuracies of 80.3% in Korean pine stands and 97.0% in Japanese larch stands using the GNSS-RTK solution during felling operations. Productivity analysis showed a 54% reduction in overall working time compared to conventional methods, with mechanized tree selection requiring only 12% of the time needed for manual selection. Although felling operation in the smart thinning system took 1.9 times longer due to GNSS-RTK system requirements, the overall productivity increased by 2.2 times. These results demonstrate the potential of the smart thinning system as a practical approach to modernizing forest operations, delivering significant improvements in both efficiency and precision.

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Genomic adaptation in teak (Tectona grandis) to local climatic conditions and implication for resilient planting strategies on Java Island Yunosuke Onuma, Eko Prasetyo, Widiyatno, Sapto Indrioko, Mohammad Na’iem, Naoki Tani, Yoshihiko Tsumura p. 353-373
Empowering conservation : the transformative role of mangrove education in Indonesia’s climate strategies Hendra Gunawan, Mohammad Basyuni, Subarudi, Sri Suharti, Asihing Kustanti, Tien Wahyuni, Virni Budi Arifanti, Irma Yeny, Oding Affandi, Sugiarti, Diah Zuhriana, Tien Lastini, Tuti Herawati, Melani Kurnia Riswati, Rachman Effendi p. 374-396
Fruit characterization and seed germination of selected dry forest wild edible fruit tree species in North West Ethiopia Kirubiel Motbaynor, Asmamaw Alemu, Yohannis Gebremariam, Amare Gebeye, Muhabaw Taju p. 397-405
Anatomical and physical study of the wood of Apeiba tibourbou and its behavior during air drying Leif Armando Portal-Cahuana, Willian Hancco-Ccahuantico, Jorge Cardozo-Soarez, Mauro Vela Da-Fonseca p. 406-421
Effects on radial growth rate on basic density and compressive strength in 10-year-old Swietenia macrophylla planted in South Kalimantan, Indonesia Anak Agung Ayu Ratih Frismanti, Wiwin Tyas Istikowati, Ikumi Nezu, Jyunichi Ohshima, Shinso Yokota, Futoshi Ishiguri p. 422-429
Assessing the environmental and socioeconomic impacts of mangrove loss in Indonesia : a synthesis for science-based policy Virni Budi Arifanti, Mohammad Basyuni, Sri Suharti, Bejo Slamet, Endang Karlina, Frida Sidik, Helbert Helbert, Irma Yeny, Mira Yulianti, Onny Nurrahman Marwayana ... [et al.] p. 430-446
Micropropagation of Tohiti rattan (Calamus inops Becc. ex Heyne) through secondary somatic embryogenesis for ex-situ conservation Yelnititis Yelnititis, Diana Prameswari, Irni Furnawanthi Hindaningrum, Vivi Yuskianti, Linda Novita, Roni Kartiman, Restu Siwi Muharromah, Titi Kalima, Nurliani Bermawie p. 447-455
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Ecosystem services–based spatial prioritization of uninhabited island forests in South Korea Chae-Jun Lim, Jang-Hwan Jo, Deogkyu Kweon p. 465-485
Feasibility and efficiency of smart thinning operation : a novel method of tree designation and localization Hyun-Min Cho, Jin-Woo Park, Sang-Kyun Han p. 486-493

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