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All Journal Akuatik: Jurnal Sumberdaya Perairan Pendas : Jurnah Ilmiah Pendidikan Dasar
Ahsanul Ihsan
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Agriculture, Biological Sciences & Forestry Environmental Science Other

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Analisis Tingkat Kelangsungan Hidup Mangrove untuk Mengukur Keberhasilan Rehabilitasi Mangrove di Desa Tuik Kabupaten Bangka Barat Ahsanul Ihsan; Sudirman Adibrata; Athur Muhammad Farhaby
Akuatik: Jurnal Sumberdaya Perairan Vol 17 No 2 (2023): AKUATIK : Jurnal Sumberdaya Perairan
Publisher : Department of Aquatic Resources Management, Faculty of Agriculture, Fisheries, and Biology, University of Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/akuatik.v17i2.4282

Abstract

The mangrove ecosystem in Tuik Village, Kelapa District, West Bangka Regency is one of the coastal areas included in the accelerated mangrove rehabilitation activities. Mangrove rehabilitation carried out in Tuik Village is one of the factors preventing abrasion and improving the economy of coastal communities. This study aims to determine the survival rate of mangroves and the relationship parameters in the success of mangrove rehabilitation. This research was carried out in May-July 2022 in the mangrove rehabilitation area of ​​Tuik Village, Kelapa District, West Bangka Regency. The method used in this study uses a transect line measuring 10m x 10m. Station point determination is divided into five stations using techniquespurposive sampling. The data collected is the number of plants, height, and number of leaves in the transect line. Data is processed and analyzed descriptively and presented in the form of tables, graphs and descriptions. The main component analysis used in data processing is the method (PCA)Principal Component Analysis. The results of research conducted in Tuik Village found two species namelySonneratia andAvicennia, the value ofsurvival rate mangroves with an average range of 10.2 - 10.7%. High growth rate of the speciesSonneratia alba ranges from 0.5 - 1.5 cm, while the growth rate of the species is highAvicennia alba around 1.5 - 1.7 cm. The leaf growth rate of each species is 1 - 2 leaves/month.Survival rate andgrowth rate positively correlated with temperature, current, and sand fraction. The results of the substrate analysis indicated that the speciesSonneratia alba andAvicennia alba shelter on sandy substrate conditions. This shows that the species is able to grow in all types of substrates and has a high tolerance to environmental conditions.
POTENSI PENERAPAN SELF-HEALING CONCRETE UNTUK MENINGKATKAN KETAHANAN INFRASTRUKTUR DI WILAYAH RAWAN GEMPA: STUDI KASUS SUMATERA BARAT Badzlina Harvy Nesya; Rahmad Suryadi; Shafwan; Ahsanul Ihsan; Salsa Fadilah; Radit Virdaus
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 No. 2, Juni 2026 Publish
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.56813

Abstract

Indonesia, located in one of the world’s most active seismic zones, faces major challenges in maintaining infrastructure resilience against earthquakes. Structural damage caused by microcracks in conventional concrete often leads to performance degradation and high maintenance costs. This study examines the potential application of Self-Healing Concrete (SHC) as an innovative material to enhance infrastructure durability in earthquake-prone regions, particularly in West Sumatra. SHC functions through biological and chemical mechanisms, where agents such as Bacillus subtilis and calcium lactate produce calcium carbonate (CaCO₃) to autonomously seal cracks. Findings indicate that SHC can increase concrete durability by up to 20%, reduce water permeability by 45%, and extend the service life of structures by more than two decades. Moreover, SHC supports carbon emission reduction and promotes sustainable resilient infrastructure. Therefore, the implementation of SHC represents a strategic approach to achieving durable, efficient, and environmentally friendly infrastructure in Indonesia’s seismic regions.
Co-Authors Adibrata, Sudirman Athur Muhammad Farhaby Badzlina Harvy Nesya Radit Virdaus Rahmad Suryadi Salsa Fadilah Shafwan