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All Journal Jurnal Natur Indonesia BIOTROPIA - The Southeast Asian Journal of Tropical Biology AL KAUNIYAH Jurnal Penelitian Pendidikan IPA (JPPIPA) Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Floribunda Journal of Sylva Indonesiana Jurnal Aplikasi dan Inovasi Iptek (JASINTEK) IJOEP : International Journal of Ecophysiology Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences CONSEN: Indonesian Journal of Community Services and Engagement Journal of Community Services: Sustainability and Empowerment Proceeding of International Conference on Biology Education, Natural Science, and Technology
etti sartina siregar
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Journal : IJOEP : International Journal of Ecophysiology

 1 
Ethnobotany of the Vile Shard Plant (strobilanthes crispa (L) blume) As a Cure for Diabetes in the People of the Nias Islands Etti Sartina Siregar
International Journal of Ecophysiology Vol. 4 No. 1 (2022): International Journal of Ecophysiology
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/ijoep.v4i1.11174

Abstract

The use of medicinal plants by the Indonesian people has been carried out for a long time from generation to generation to cure certain diseases, one of which is the people of the Nias Islands who use the vile shard leaves ( Strobilanthes crispa (L. ) (Blume) as a drug to reduce urinary complaints, kidney stones, gallstones and diabetes. Keji shard leaves are known to have high antioxidant compounds, namely flavonoids which can be used as medicinal compounds to treat diabetes, hypertension and inhibit the growth of pathogenic bacteria such as Escherichia coli, Staphylococcus aureus and Streptococcus pyogenes
Vegetation Composition and Carbon Storage Potential at Tree and Pole Levels in the Gunung Leuser National Park Area, Bukit Lawang, Bahorok District, Langkat Regency, North Sumatra Siregar, Etti Sartina; Aththorick, T Alief; Atni, Oky Kusuma; Nasution, Ahmad Luthfi Abdillah; Hermansyah; Lubis, Putri Amelia; Pardosi, Sinta R; Mustaqilla, Safira; Mardhatillah, Siti
International Journal of Ecophysiology Vol. 7 No. 1 (2025): International Journal of Ecophysiology
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/ijoep.v7i1.17934

Abstract

Forests play a crucial role in environmental, economic, and social sustainability by storing carbon and mitigating climate change. This study aimed to assess the vegetation composition, diversity, and carbon storage in Gunung Leuser National Park, Bukit Lawang, North Sumatra. Fieldwork, conducted using purposive and nested sampling methods, recorded 11 families and 14 plant species with 27 individuals at the tree growth level, and 11 families and 16 plant species with 30 individuals at the pole growth level. The Burseraceae family dominated tree-level composition (29%), while the Phyllanthaceae family dominated pole-level composition (28%). The highest Important Value Index (IVI) was Santiria rubiginosa (36.09%) for trees and Gironniera nervosa (55.46%) for poles. The Shannon-Wiener Diversity Index (H’) was 2.45 for trees and 2.53 for poles, with evenness values (E) of 0.93 and 0.91, respectively. The total biomass was 120.240 tons/ha, with stored carbon amounting to 55.310 tons C/ha. To better estimate carbon storage potential, further research should cover larger areas and include biomass components like litter and dead wood.
Assessing Environmental Drivers of the Distribution of the Rare Species Johannesteijsmannia altifrons: a literature review Siregar, Etti Sartina; Djaingsastro, Aulia Juanda
International Journal of Ecophysiology Vol. 7 No. 1 (2025): International Journal of Ecophysiology
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/ijoep.v7i1.19062

Abstract

Johannesteijsmannia altifrons, a palm species exhibits unique dispersal mechanisms and distribution patterns that are critical to understanding its ecological dynamics. Dispersal has a significant impact on this species' spatial distribution and population dynamics. The distribution is significantly influenced by altitude, which affects its growth and habitat suitability. Publications and references in this analysis came from scientific articles published in bibliographic databases such as Scopus and Google Scholar. The keyword search used was “Johannesteijsmannia altifrons”. The authors examined the literature related to the subject of the systematic review, assessed methodological rigor, analyzed the results being reported in the selected studies. Condensed and organized the data before incorporating the findings into a comprehensive systematic review in narrative form. The distribution of J. altifrons in Indonesia is mainly in the Sumatra region, especially in the Northern and Central parts of the island. Taman Nasional Gunung Leuser (TNGL), Bukit Bungkuk Nature Reserve Forest and the surrounding lowland forests are good habitats. This species has habitat suitability at range elevations 20-500 meters (asl), very steep slopes (≥ 45%). Optimal growth occurs under tree canopies, which provide the necessary shade for the plant to thrive. This suggests a specific habitat preference that influences its distribution
Co-Authors Ameilia Zuliyanti Siregar Amir, Ahmad Aldrie Arif NURYAWAN Arrasyid, Nurfida Khairina Aththorick, T Alief Atni, Oky Kusuma Aulia Juanda Djaingsastro Aznawi, Andi Aznan Bejo Slamet Berliani, Kaniwa Br. Ketaren, Nurjama'yah DAMANIK, RISJUNARDI Delvian Delvian Deni Elfiati Diana Sofia Hanafiah Dyan Rahmaito Siregar Elfiati, Deni Elfiati Elimasni Erni Jumilawaty Ferdinand Susilo Helmin Parida Zebua Hermansyah Hesti Wahyuningsih Isnaini Nurwahyuni Iwan RISNASARI Julius Paolo Siregar Jumilawaty, Erni Jumilawaty KIKI NURTJAHJA Kiking Ritarwan Leopardas, Venus LINDAWATI Lubis, Putri Amelia Mardhatillah, Siti Masitta Tanjung Meutia Nauly Mohammad Basyuni Mubaraq, Alfian Mubaraq, Alfian Mubaraq Nasution, Ahmad Luthfi Abdillah Nauly, Meutia Nauly Nunik S. Ariyanti NUNIK SRI ARIYANTI NUNUK PRIYANI Nursahara Pasaribu Nursahara Pasaribu Nurul Annisa Br. Nasution Pardosi, Sinta R Rangkuti, Ahmad Baiquni Risnasari, Iwan Risnasari Safira Mustaqilla Sembiring, Christian Hadinata Sivaipram, Itchika Sivaipram, Itchika Sivaipram Slamet, Bejo Slamet Sofyan, Muhammad Zaidun Sri S. Tjitrosoedirdjo Sri S. Tjitrosoedirdjo Sri Sudarmiyati Tjitrosoedirdjo Sulistyono, Nurdin Supriharti, Deny Susilowati, Arida Susilowati Syamsuardi Syamsuardi Syamsuardi, S T. Alief Aththorick Yunasfi yunasfi yunasfi Yunilas