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All Journal Jurnal Biologi dan Pembelajarannya (JBP) BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains
Adi Hartono
Universitas Samudra
Agriculture, Biological Sciences & Forestry Education Health Professions Immunology & microbiology

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Analisis Faktor Abiotik dan Karakteristik Mangrove di Kawasan Hutan Mangrove Langsa Adi Hartono; Enni Halimatussadiyah Pakpahan; Hasbi Assidiqi Nasution; Siti Mutia; Setyawati; Nurshita Dwi Nanda
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol. 8 No. 6 (2025): BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/r0avze83

Abstract

This study aimed to analyze the abiotic factors and morphological characteristics of mangrove vegetation in the Langsa Mangrove Forest area, Aceh. The research was conducted through direct field exploration using descriptive–quantitative methods, involving the observation of vegetative and generative organs of mangrove species and measurement of environmental parameters such as salinity, pH, temperature, and total dissolved solids (TDS). Morphological data were documented and identified using field guides, while abiotic parameters were measured in situ using standard instruments (pH meter, salinometer, DO meter, and thermometer). The results identified eleven mangrove species, including Rhizophora mucronata, R. Apiculata, R. Stylosa, Avicennia alba, Kandelia obovata, Ceriops tagal, Xylocarpus granatum, Acanthus ilicifolius, Scyphiphora hydrophyllacea, Acrostichum aureum, and Casuarina equisetifolia. Each exhibited distinctive morphological adaptations such as prop roots, pneumatophores, thick waxy leaves, and viviparous fruits that support survival in high-salinity and anaerobic conditions. The abiotic data showed an average salinity of 0.92% (≈8.82 ppt), water pH 6.68, soil pH 5.74, temperature 29.18 °C, and electrical conductivity 17.25 mS/cm—values within the optimal range for mangrove growth. These findings indicate that the Langsa mangrove ecosystem remains stable and ecologically healthy, supporting high species diversity. The study concludes that the interaction between abiotic conditions and plant morphology determines the ecological balance of the Langsa mangrove habitat, highlighting the importance of sustainable management and conservation of this coastal ecosystem. Keywords: abiotic factors, environmental parameters, Langsa Mangrove Forest, mangrove ecology, morphological adaptation
Populasi Lichens Pada Tegakan Pohon Di Desa Kinangkong Kecamatan Laubaleng, Karo Sumatera Utara Ashar Hasairin; Melisa Br. Karo Br. Karo; Adi Hartono
Jurnal Biologi dan Pembelajarannya (JB&P) Vol 13 No 1 (2026): APRIL 2026
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jbp.v13i1.27360

Abstract

Penelitian ini bertujuan untuk mengetahui keanekaragaman lichens pada tegakan pohon Kemiri (Aleurites moluccanus), Pohon Pinang (Areca cathecu) dan Pohon Kakao (Theobroma cacao) di Desa Kinangkong Kecamatan Laubaleng Kabupaten Karo, Sumatera Utara. Penelitian bersifat deskripstif dengan metode eksploraif dan inventarisasi pada tegakan pohon Kemiri (Aleurites moluccanus), pohon Pinang (Areca cathecu) dan pohon Kakao (Theobroma cacao). Teknik Purposive Sampling dengan menggunakan transek vertikal ke atas. Hasil penelitian menunjukkan bahwa pada pohon Kemiri (Aleurites moluccanus) ditemukan 11 jenis lichens dengan jumlah 91 spesies, pada pohon Pinang (Areca cathecu) ditemukan 10 jenis lichens dengan jumlah 51 spesies dan pada pohon Kakao (Theobroma cacao) ditemukan 9 jenis lichens dengan jumlah 54 spesies. Keanekaragaman lichens yang tinggi pada pohon Kemiri (Aleurites moluccanus) dengan indeks nilai penting (H′= 26,84) diikuti pada pohon Kakao (Theobroma cacao) dan pohon Pinang (Areca cathecu). Jumlah lichens dari ketiga pohon tersebut sebanyak 14 jenis dari 7 famili dengan 4 tipe talus (crustose, foliose, fructicose dan squamolose). Karakteristik habitat yang mendukung pertumbuhan dan perkembangan lichens pada lokasi penelitian berada pada suhu 27 0C – 29 0C, kelembaban 61% - 66%.
Co-Authors Ashar Hasairin Enni Halimatussadiyah Pakpahan Hasbi Assidiqi Nasution Melisa Br. Karo Br. Karo Nurshita Dwi Nanda Setyawati Siti Mutia