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All Journal Biolearning Journal Jurnal Pendidikan Ilmu Pengetahuan Alam (JP-IPA)
Joko, Julianti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Education Physics Other

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INVENTARISASI DAN INDENTIFIKASI ALGA COKLAT (Phaeophyta) DI PERAIRAN TANJUNG PAPUA BARAT Hidayatussakinah, Hidayatussakinah; Ulfa, Nurul Alia; Jaharudin, Jaharudin; Joko, Julianti
Biolearning Journal Vol 11 No 02 (2024): Biolearning Journal (Juli 2024)
Publisher : Universitas Pendidikan Muhammadiyah Sorong

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36232/jurnalbiolearning.v11i02.6943

Abstract

Alga coklat (Phaeophyta) merupakan makroalga yang berperan penting dalam menjaga ekosistem laut. Penelitian ini bertujuan untuk menginvetarisasi dan mengidentifikasi jenis jenis alga cok,lat (Phaeophyta) di perarian Tanjung Papua Barat. Tehnik pengambilan sampel dilakukan dengan membuat garis transek dan ditetapkan ada 3 transek yaitu tansek I (tanjung nazaret memiliki substrat berpasir, berkarang dan sedikit berlumpur), transek II (tanjung kasuari memiliki substrat berpasir dan karang), transek III (Tanjung batu memiliki substart berpasir, berkarang dan berbatu). Data penelitian dianalisis secara deskriptif. Hasil penelitian menunjukkan terdapat tiga jenis alga coklat (Phaeophyta) yaitu pada transek I ditemukan satu jenis yaitu Dhchyota sp, transek II ditemukan 2 jenis yaitu Padina australis dan Sargassum maticun dan transek III ditemukan 1 jenis yaitu Padina australis.
Identifikasi Keanekaragaman Flora dan Fauna di Wisata Puncak Harfat Kampung Usaha Jaya Distrik Misool Timur Kabupaten Raja Ampat Joko, Julianti; Prabawati, Ratna; Sutardi, Sutardi
Jurnal Pendidikan Ilmu Pengetahuan Alam (JP-IPA) Vol 6, No 2 (2025): November 2025
Publisher : STKIP HARAPAN BIMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56842/jp-ipa.v6i2.843

Abstract

This study aims to identify the level of flora and fauna diversity in the Puncak Harfat tourism area, Kampung Usaha Jaya, East Misool District, Raja Ampat Regency, Southwest Papua. The research employed a mixed-method approach, combining qualitative and quantitative techniques in data collection and analysis. The study was conducted over one month in March 2025, with samples consisting of all flora and fauna found in the eastern part of Puncak Harfat. Data were collected through field observations and interviews, and then analyzed using the Shannon–Wiener Diversity Index, Simpson’s Dominance Index, and Margalef Species Richness Index. The findings revealed 21 species of flora, with orchids and Nepenthes mirabilis identified as dominant species, highlighting the significance of this area as a natural habitat for local flora conservation. For fauna, 15 species were identified, dominated by marine biota such as corals (Acropora, Staghorn Coral) and Amphiprioninae fish, reflecting a diverse ecosystem. The diversity indices of flora (H’ = 2.6721) and fauna (H’ = 2.330) indicate moderate to high categories, while the dominance indices for flora (C = 0.3006) and fauna (C = 0.2655) show no extreme dominance of a single species. Margalef’s richness indices (R = 5.14 and R = 3.44) further confirm the high species richness in the area. Thus, these findings affirm that the Puncak Harfat ecosystem is stable, productive, and suitable to be maintained as a biological conservation site.
Co-Authors Hidayatussakinah, Hidayatussakinah Jaharudin, Jaharudin Prabawati, Ratna Sutardi Sutardi Ulfa, Nurul Alia