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Journal : REKAYASA

Populasi Sonokeling (Dalbergia latifolia Roxb) di Cagar Alam Gunung Jagat Sumedang Wilujeng, Sri; Fahmi Solihat, Raizal; Darliana, Ina
Rekayasa Vol 18, No 2: Agustus, 2025
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v18i2.29456

Abstract

Rosewood (Dalbergia latifolia Roxb.) is a tree species with high economic value. The latest data on the global rosewood population was reported in 2020 to be in a vulnerable state of extinction, due to exploitation and regeneration constraints. The initial step in analyzing to restore and manage the existence of a tree species in an area is to observe the population density, population distribution patterns and determine associated plants. The sampling technique was carried out by determining a quadrant of 20 m x 20 m with 37 sampling units. The average density parameters of rosewood per plot were analyzed descriptively, the distribution pattern of rosewood populations was analyzed using the Standardized Morisita Index and the determination of the type of association between rosewood and other species was obtained through the Chi-square Test and Percent Co Occurrence. The results showed that there was a decrease in rosewood density per plot from the seedling level to the tree level. The sharpest decline occurred at the seedling level to the sapling level. The analysis of the rosewood distribution pattern showed a clumped pattern with a Standardized Morisita Index of 0.628. Analysis of rosewood association type, showed that 34 tree species were not associated with rosewood, negatively associated with Orophea hexandra (Blume) and positively associated with Swietenia macrophylla King. Between rosewood and 9 other species has percent Co Occurrence = 0, which shows that there is no interdependence between rosewood and other species. This finding is an important basis for conservation and habitat management efforts, with a focus on the regenerative phase and interspecies relationships to support the sustainability of rosewood populations.
Co-Authors Achmad Ruchlihadiana Tisnasendjaja Agus Sumanto Andari, Ruri Andi Nu Graha Andrian, Viki Anggri Sartika Wiguna Anjar, Arien Asna, Asna Azhari, Lusi Ayu Bahri, Subur Choirunnisa, Nina Dharmawan, Gilang diana, wulan Dianawati Suryaningtyas Dimas Hadi Prayoga Dwi Wahyuni Emma Yuliani Erna Agustina Eva Prastiwi, Yurika Fahriza Luth Fajar Nurmajid Febri Yusdianatari, Wanda Ferdiani, Rosita Dwi Ferdiani, Rosita Dwi Ferdiani Fernanda, Alvina Arti Fikri Fikri Hari Lugis Purwanto Harianto, Wahyudi Hena Dian Ayu Hengki Riawan Putra, Muchamad Heri Santoso Heri Widodo Hidayat, Candra Wahyu Imaniar, Dimas Ina Darliana Ina Darliana Ina Darlina Ina Darlina Irawan, Aprita Irianto, Dicky Fahmi Ishak Tan Jatu Permatasari, Safrieta Jumiati, Silvianingsih K, Mahardika Putri Kaonang, Mahardika Putri Lalo, Anggie Marice Bili Lora septrianda putri Ludi Wishnu Wardana Lukmansyah, Lucky Manurung, Nadila Anugraini Br Maulana Abdul Ghani, Dadang Metta Wangi Moch. Sholichin Muliana, Erna Mulyawan, Rizka Nosari, Yulia Nur Rohimah, Wahyu Oktaviyani, Bella Pahlevi Hentika, Niko Panjaitan, Maya Sari Prasetyo Widodo Puspitosari Suharso, Arien Anjar Putra, M Hengki Riawan Rachman, Ziana Maulidiyah Raizal Fahmi Raizal Fahmi Raizal Fahmi Raizal Fahmi Solihat Razi, Ar Rian Susila Rizki, Robbi Adi Rofuddin, Rofuddin Roufuddin, Roufuddin Safari, Syahrul Sedyastuti, Kristina Sembiring, Rinawati Setiyowati, Supami Wahyu Sibarani, Vanni Intan Medika Siti Khatijah Srimulyaningsih, Reni Susila, Rian Tan, Ishak Tatang Rohmat Utama , Dana Marsetiya Verena Agustini Verena Agustini Vitasari, Leni Wahyudiono, Andhika Widia Novita Sari Widoyanti, Virki Widoyanti, Virki Putri Wresni Andaningsih, Wresni Wulandari, Juwita Yobel, Sosilo Yobel, Sosilo Putri Yobel, Susilo Yulisda, Desvina