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Journal : AL KAUNIYAH

Biodiversity of Tree Species: Composition and Structure in Raden Soerjo Grand Forest Park, Batu, East Java, Indonesia Khoirunnisa, Khoirunnisa; Wisanti, Wisanti; Indah, Novita Kartika; Iman, Muhamad Hilmi Ihsanul; Ullah, Lisa Rohmatul
Al-Kauniyah: Jurnal Biologi Vol. 19 No. 1 (2026): AL-KAUNIYAH JURNAL BIOLOGI
Publisher : Department of Biology, Faculty of Science and Technology, Syarif Hidayatullah State Islami

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/kauniyah.v19i1.43321

Abstract

Raden Soerjo Grand Forest Park is a conservation area in East Java with moderate tree diversity. This study analyzed the diversity, composition, and structure of trees in three vegetation types: open forest, closed forest, and post-fire forest. Data collection used a systematic sampling method with random start. Data in the form of tree species names and numbers of individuals were analyzed to determine the ecological index and Canonical Correspondence Analysis (CCA). A total of 25 species from 21 families were identified, with Fagaceae and Lauraceae dominating in open and closed forests, and Casuarinaceae in post-fire forest. Lithocarpus sundaicus showed the highest Importance Value Index in open and closed forests, while Casuarina junghuhniana dominated the post-fire forest. Pioneer species such as Homalanthus populneus, Ficus hispida, and C. junghuhniana were present in all vegetation types. The diversity index showed moderate diversity (1.79 and 2.09), low species richness (2.22 and 3.45), and high evenness (0.69 and 0.71) in open and closed forests. Tree distribution is dominated by the 61–80 cm diameter class in open and closed forests, and 41–60 cm in post-fire forests. CCA showed that light intensity, soil moisture, air temperature, and soil pH influence species distribution. Four species are endemic to Indonesia, with three species of conservation concern: Lithocarpus korthalsii and Canthiumera glabra (near threatened), and Saurauia bracteosa (vulnerable).
Co-Authors Akhmad Fadli, Akhmad Alesia, Alesia Sasabila Alfiana, Rinta Alifah, Regi Wafa Allenidekania Allenidekania Andriani, Wina Anggi, Esa Anjani, Rahma Anjeliani, Silvi Annisa, Lolanda Hamim Aprilia, Rara Nasywa Ardani, Ana Fauziyyah Rizqullah Arfensia, Danny Sanjaya Arik, Al Aris Munandar Asri asri Astrid Yudhit, Astrid Yudhit Atika Dian Ariana Azhari , Anin Saraswati Aziza, Siti Nur Azizah, Dwi Nur Azizah, Rachmatul Cahyati, Dwi Surma Cahyono, Ichwan Candra, Candra Rindi Irawan Casman, Casman Chaniago, Yovanes Dalimunthe, Atikah Adzra Darmawan, Hanif Desy Rosmalinda DEWI FITRIA, DEWI Dewi, Virginia Sukma Didi Jubaidi Doly Nofiansyah Eigis Yani Pramularso Eko Kuntarto Enjelina, Della Eny Boedi Orbawati Ermiati Ermiati Falah, Andy Makarim Fasyah, Meilyta Fatimah Azzahri Fauziah, Sobrini Febrianti, Dina Fitri, Dhella Angelina Fitriani, Lisna Annisa Fransiska, Afiona Gesta, Lara Hakim, M. Arif Rahman Happy Hayati Harahap, Izhar Hardani - - Hidajat, Koerniawan Hoiriyah, Verny Nur Husnul, Husnul Khatimah Hussaidah S, Miftah Ibrahim, Arsyik Ihsandi, Arfan Iman, Muhamad Hilmi Ihsanul Inayah Inayah INDAH RAHMASARI Irvan Irvan Irvan Nur Ridho Ismi Mori Putra, Deka Isratulhasanah, Puji Ivan Adi Kristianto, Yohanes Joharis, M Joko Tri Nugraha Joni Firmansyah Juniaty, Risnawaty Kurniawan Kurniawan Lastari, Wahyuni Klara Lilis Mamuroh Lubis, Ade Ruqayah Lubis, Ar-Rohim Lubis, Fauziah Maharani, Silvia Mahroji, Mahroji Marbun, Imelda Ani Yolanda Maswani Maswani, Maswani Matondang, Lestarina Maulana, Lubnatul Jannah Maya Sari Mayangsari, Nara Mayangsari, Puspitri MMSI Irfan ,S. Kom Mukti, Rayi Arista Mulyana, Aep Maulid Mutia, Nur Mutiara, Zahra Nabila, Firdiyatul Nabilla, Tasya Putri Nafia, Fidia Aisyah Nayla, Annarha Neca, Neca Naula Nilam Sari Nono Hery Yoenanto Nopitasari, Nopitasari Novita Kartika Indah Nugroho, Danu Aji Nur Ilianis Adnan Nurhaliza, Syahfira Angela Nurhikmah Nurhikmah Nurmaizya, Hana Rinata Mufti Nurmala, Otsuka Khaera Nurpratama, Widya Lestari Nurrahmah, Silva Oktriana, Kurnia Anggie Pardede, Fadhylah Zaini Pirdausahla, Pirdausahla Pitriani, Sri Rahmi Prameswary, Sekar Buana Pratiwi, Atma Putri, Agnes Imelia Putri, Nisrina Dwi Pramara Putri, Putri Ananda Qaddura, Zafirah Hanna Raharjo, Nadhira Inastiti Rahmadan, Yanuar Rajuli, Achmad Dzikri Restuning Widiasih Revina, Revina Voseka Revita Sari, Febby Rima Munawaroh Ristiana, Riris Rizkia, Nadila Putri Rofah, Gusrika Fauza Rosalia, Sheilla Rosalinda, Mira Rozi, M. Fattur Rudi Cahyono Ruliandari, Latifa Sabda Wahab safitri, melinia Salsabila, Nabila Salsabila, Nayla Saputra, Didi Hardi Saputra, M. Riski Saputri, Melisa Fitria Sari, Isra Retno Sari, Silfiyana Setiyawan, Said Ali Shafitri, Novia Mahera Silalahi, Malianti Simamora, Elisabet Siregar, Risdalina Siti Aisyah Siti Marwiyah Sodri, Ahmad Sofwan, Muhammad Sofwan Soyata, Amelia Suci Hayati Suci Ramadhani, Suci Sugiati, Cristy Suhariyanti, Suhariyanti Sukmawati Sukmawati Supriyono Supriyono Susanti, Lia Syafitri, Arini Syafitri, Syarifah Syahida, Fadwa Tantri Rahayu Tarto, Tarto Triono, Bambang Ullah, Lisa Rohmatul Viorina, Visca Viqri, Denada Wahyuningtyas, Hilda Clara Wasito, Muhammad Wisanti Wisanti Wulandari, Aliza Yanti Hermayanti Yanti, Lusi Dwi Yantoro, Yantoro Yunizha, Thera Dies Yusuf Adam Hilman, Yusuf Adam Zendrato, Juniar