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Nurfadilah, Nurfadilah Dilah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences

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Pengaruh Persentasi Substrat Terhadap Pertumbuhan Anakan Mangrove Rhizophora sp. Di Kawasan Pantai Kuala Samboja Kecamatan Samboja Kabupaten Kutai Kartanegara, Kalimantan Timur Nurfadilah, Nurfadilah Dilah; Eryati, Ristiana; Maulana, Rifki; Jailani, Jailani
Jurnal Laot Ilmu Kelautan Vol 5, No 2 (2023): Jurnal Laot Ilmu Kelautan
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jlik.v5i2.8342

Abstract

Mangrove are one of the important ecosystems in coastal areas that provide great benefits to other ecosystems. Excessive use of mengroves poses a threat to the growth of mengroves, one of which is the conversion of land, therefore it is necessary to make efforts to improve the mengrove ecosystem by planting mangroves. However, in the planting process, it is necessary to match the planting location, including the condition of the substrate. The aim of the research was to determine the percentage of substrate on the growth of Rhizophora sp. mangrove saplings. This research was conducted in June to October 2022 at Kuala Samboja beach, East Kalimantan. The research method is a survey method with a quantitative approach, measuring the success rate of mangrove life and analyzing substrate types. Based on the life success rate, the most mangrove saplings live at SR stations at 28 ind, ST stations at 20 ind and the least success at SD stations at 6 ind. Based on the research location, at SR and SK stations the silt type is dominated by 51-54%, at SL and ST stations the substrate type is dominated by silt (46-49%) and fine sand (39-49%) and at the SD station the substrate type is dominated by sand. (56%).
Frekuensi Bertelur dan Identifkasi Ancaman Populasi Penyu Hijau (Chelonia mydas) Di Pulau Sangalaki, Berau, Kalimantan Timur Nurfadilah, Nurfadilah Dilah; Novia, Rani; Abdillah, Achmad Thoriqin Nabiel; Auliansyah, Auliansyah
Jurnal Laot Ilmu Kelautan Vol 7, No 2 (2025): Jurnal Laot Ilmu Kelautan
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jlik.v7i2.11373

Abstract

Penyu merupakan salah satu jenis vertebrata laut yang tergolong terancam punah, karena faktor alam dan manusia, sehingga perlu dilakukannya perlindungan bagi penyu. Tujuan penelitian ini untuk mengetahui frekuensi peneluran dan identifikasi faktor ancaman bagi populasi penyu. Penelitian ini dilakukan di Pulau Sangalaki pada 19 – 30 Juni 2024. Metode yang digunakan yaitu pengamatan langsung jumlah penyu yang bertelur dan kuisioner untuk identifikasi ancaman penyu. Hasil yang didapatkan sebanyak 141 penyu yang mendarat, 96 penyu bertelur dan 45 penyu memeti. Berdasarkan indentifkasi keterancaman populasi penyu didapatkan sebanyak 90% dipengaruhi oleh faktor manusia,suhu dan perubahan garis pantai.
Co-Authors Abdillah, Achmad Thoriqin Nabiel Auliansyah, Auliansyah Eryati, Ristiana Jailani Jailani Maulana, Rifki Novia, Rani