Siahaan, Ratna
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JURNAL BIOS LOGOS Vol. 2 No. 1 (2012): Jurnal Bioslogos - Articles
Keanekaragaman Makrozoobentos sebagai Indikator Kualitas Air Sungai Cisadane, Jawa Barat – Banten (Macrozoobenthos diversity as indicator of water quality of Cisadane River)
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JURNAL BIOS LOGOS Vol. 8 No. 1 (2018): JURNAL BIOSLOGOS - Articles
Kehadiran Logam-Logam Berat (Pb, Cd, Cu, Zn) Pada Air dan Sedimen Sungai Lowatag, Minahasa Tenggara - Sulawesi Utara (The Occurrence of Heavy Metals (Pb, Cd, Cu, Zn) on Water and Sediment in the River Lowatag, Southeast Minahasa - North Sulawesi)
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JURNAL BIOS LOGOS Vol. 9 No. 2 (2019): JURNAL BIOS LOGOS - Articles
Struktur Lamun di Zona Intertidal Kecamatan Tabukan Selatan, Kabupaten Kepulauan Sangihe, Sulawesi Utara (Structure of Seagrass on Intertidal Zone of Southern Tabukan Sub-District, Sangihe Islands District, North Sulawesi)
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JURNAL BIOS LOGOS Vol. 9 No. 1 (2019): JURNAL BIOSLOGOS - Articles
Struktur Makroalga Pada Ekosistem Lamun Di Kecamatan Tabukan Selatan, Kabupaten Kepulauan Sangihe, Sulawesi Utara (Structure of Macroalgae in Seagrass Ecosystems at South Tabukan District, Sangihe Islands Regency, North Sulawesi)
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JURNAL BIOS LOGOS Vol. 5 No. 1 (2015): JURNAL BIOSLOGOS - Articles
Kepadatan Cacing Tanah pada Lahan Pertanian Tomat Terpapar Pestisida di Desa Ampreng, Kecamatan Langowan Barat - Provinsi Sulawesi Utara (Earthworm Density in Tomato Farming Exposed to Pesticides at Ampreng Village, Langowan Barat Sub District – North S
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JURNAL BIOS LOGOS Vol. 7 No. 1 (2017): JURNAL BIOSLOGOS - Articles
Keanekaragaman Vegetasi Riparian Sungai Polimaan, Minahasa Selatan – Sulawesi Utara (Riparian Vegetation Diversity of Polimaan River, South Minahasa- Sulawesi Utara)
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JURNAL BIOS LOGOS Vol. 6 No. 1 (2016): JURNAL BIOSLOGOS - Articles
Keanekaragaman Jenis Mangrove di Pantai Kapeta dan Pantai Tanaki, Kecamatan Siau Barat Selatan, Kabupaten Sitaro - Sulawesi Utara (Mangrove Diversity of Kapeta Beach and Tanaki Beach, South West Siau District, Sitaro Regency - North Sulawesi)
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JURNAL BIOS LOGOS Vol. 14 No. 1 (2024): JURNAL BIOS LOGOS - Articles
Performance of Laying Chickens with Feed Additive Cinnamon Flour (Cinnamomum burmanni (Nees & T.Nees) Blume)
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