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Radith Mahatma
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Structure of Mangrove Vegetation Patterns Based on Salinity Differences in Jangkang River, Bengkalis Island, Riau Ria Saputra, Eki; Setyawatiningsih, Sri Catur; Mahatma, Radith
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7767

Abstract

Mangroves in Sungai Jangkang, Bengkalis Island, are affected by anthropogenic activities and environmental factors, with salinity being the most influential environmental factor. This study aims to describe the structure of mangrove vegetation patterns based on variations in salinity. The research was conducted in the Jangkang River, Bengkalis Island, in March 2024. Representative areas of three salinity zones along upstream, midstream, and downstream were selected. The species present were assessed for density, frequency, dominance, and importance index. The salinity in the upstream section was 5 ‰, in the midstream 8 ‰, and in the downstream 18 ‰. Four species from four families were found in the upstream section, three species from three families in the midstream, and eight species from seven families in the downstream section. Rhizophora apiculata was the most dominant species and had the highest importance index (INP) in the Jangkang River. Mangrove species diversity in the upstream and midstream sections of the Jangkang River was classified as low (H' < 1), while the downstream section had moderate diversity (1 < H' < 3).
Co-Authors Aditya Apmayasari Agrina, Agrina Agus Sutikno Ahmad Muhammad Aslim Rasyad Besri Nasrul Bintal Amin Chairul Chairul Dahlan Tampubolon Dyah Iriani Fadel Nugraha Febrialismanto, Febrialismanto Geovani Meiwanda Hengki Firmanda Indra Lesmana Juliana Juliana Khairijon &#039; Nery Sofiyanti Ria Saputra, Eki Rikhi Riady Romi Kurniadi Roza Elvyra Siti Rahayu Sri Catur Setyawatiningsih Sri Endang Kornita Suryani &#039; Syafriadiman, Syafriadiman Syauli Ashari Khati Tri Handro Pramono, Tri Handro Windarti &#039; Yusfiati, Yusfiati Zahtamal Zahtamal