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All Journal Kenanga : Journal of Biological sciences and Applied Biology Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Badratun Nafis
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Engineering Environmental Science Immunology & microbiology

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LITERATURE REVIEW: KONTAMINASI PESTISIDA DI PERAIRAN INDONESIA Badratun Nafis; Nadya Tirta; Uswah Zilhaya; Nakita Chairunnisa; Firdus; Alia Rizki; Muhammad Nasir
KENANGA : Journal of Biological Sciences and Applied Biology Vol. 4 No. 1 (2024): April 2024
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Ar-Raniry Banda Aceh, Indonesia

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Water pollution is a serious problem that affects aquatic ecosystems. Pesticides are used widely in agriculture to control pests and increase crop yields. However, the use of this pesticide causes negative impacts, including water pollution. Pesticides enter the aquatic environment through surface runoff, river flows, and leaching from contaminated soil. Accumulation of ecosystems in aquatic ecosystems can disrupt ecological balance, reduce biodiversity, and potentially poison aquatic organisms. Organophosphates are the most common type of pesticide found in Indonesian waters. Research related to pollution in Indonesian waters amounted to 25 journals with the highest frequency found in 2019. Over the last ten years, research related to pesticide contamination found in waters has been reported by researchers in various regions including West Java, Jakarta, Central Java, East Java , Yogyakarta, Bali, West Sumatra, South Sumatra, North Sumatra, Lampung and Manado.
PEWARNA ALTERNATIF PREPARAT SEDIAAN APUSAN DARAH TEPI (SADT) DARI EKSTRAK BUNGA KAMBOJA (Plumeria rubra L. cv. Acutifolia.) Ayu Nirmala Sari; Desy Nurrahma Dhani; Alifa Tazkiya; Badratun Nafis; Siti Diah Ayu Lestari Gea; Rizki Fazilah
KENANGA : Journal of Biological Sciences and Applied Biology Vol. 4 No. 1 (2024): April 2024
Publisher : Program Studi Biologi Fakultas Sains dan Teknologi Universitas Islam Negeri Ar-Raniry Banda Aceh, Indonesia

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Abstract

Peripheral Blood Smear Preparation (SADT) is a smear preparation made using human blood that is colored for examination in hematology. This examination is done to see and assess peripheral blood cells such as leukocytes, platelets and erythrocytes. Giemsa has a drawback because methylene blue contained in giemsa can be inhaled causing cyanosis. Azur B content can also cause waste because the material contained is not easily decomposed and eosin content can cause allergic reactions.This study aimed to test the water extract of Cambodian flowers (Plumeria rubra L. cv. Acutifolia.) as an alternative dye of peripheral blood smear preparations. This research is in the form of qualitative research with a method of making purple dye for water extraction of frangipani flowers (Plumeria rubra L. cv. Acutifolia.). Microscopic observations of frangipani flower extract (Plumeria rubra L. cv. Acutifolia.) as a preparation of Edge Blood Smear (SADT) can be used as an alternative natural use besides Giemsa staining, because erythrocytes, leokocytes and platelets are able to bind colors well.
Elevated temperatures increase chlorpyrifos toxicity in nile tilapia (Oreochromis niloticus) larvae Badratun Nafis; Firdus Firdus; Muhammad Nasir; Ilham Zulfahmi
Depik Vol 14, No 1 (2025): MARCH 2025
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.14.1.43227

Abstract

Global warming and the extensive use of chlorpyrifos pose serious threats to the hatching success, growth, and survival of Nile tilapia larvae (Oreochromis niloticus). This study aimed to evaluate the combined effect of chlorpyrifos toxicity and elevated temperatures on tilapia larvae. A completely randomized design (CRD) was used with three temperature levels (28C, 31C, and 34C) and two chlorpyrifos concentrations (0 g/L and 32 g/L), totaling six treatments with three replicates each. Parameters observed included hatching rate, daily growth rate (DGR), specific growth rate (SGR), absolute growth rate (AGR), and malformation rate.Measurements were conducted daily from the first day of hatching until the end of the larval phase (Day 8). Results showed the highest hatching rate (85.33%) was achieved at 34C without chlorpyrifos, while the lowest rate (20%) occurred at 28C with chlorpyrifos exposure on Day 2. DGR and SGR significantly decreased at 34C with chlorpyrifos exposure, reaching 0.0003 g/day and 3.73%/day, respectively, compared to 28C without chlorpyrifos (0.0011 g/day and 10.78%/day). AGR remained stable across all temperatures, showing no significant differences with or without chlorpyrifos. The malformation rate, including abnormalities such as lordosis and kyphosis, increased with higher temperatures and chlorpyrifos exposure, with the highest rate (25%) recorded at 34C with 32 g/L chlorpyrifosKeywords:ChlorpyrifosNile TilapiaHatching RateLarval Growth
Co-Authors Alia Rizki Alifa Tazkiya Ayu Nirmala Sari Desy Nurrahma Dhani Firdus Firdus Firdus Ilham Zulfahmi Muhammad Nasir Nadya Tirta Nakita Chairunnisa Rizki Fazilah Siti Diah Ayu Lestari Gea Uswah Zilhaya