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All Journal Journal of Tropical Biodiversity and Biotechnology MALIH PEDDAS Journal of Biology Education Jurnal Biologi Tropis Jurnal Abdi Insani Jurnal Pijar MIPA Bioma : Jurnal Ilmiah Biologi Samota Journal of Biological Sciences (SJBIOS)
Tri Wahyu Setyaningrum, Tri Wahyu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Medicine & Pharmacology Physics

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Analysis of Coral Condition at Kecinan Beach, North Lombok Derksen, Engelina Noer Soraya; Candri, Dining Aidil; Hilman Ahayadi; Virgota, Arben; Setyaningrum, Tri Wahyu
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i1.7506

Abstract

The high level of construction and community activities at Kecinan Beach can affect the condition of the coral reef ecosystem. The health condition of the coral reef ecosystem can be assessed by the percentage of live coral cover within the ecosystem. North Lombok is one of the regencies on the island of Lombok that has experienced coral reef ecosystem damage, with this regency having the lowest percentage of live coral cover compared to other regencies. This study aims to determine the diversity of coral reef lifeform types and assess the health status of coral reefs at Kecinan Beach, North Lombok Regency. Data on coral reef lifeform types were observed using Coral Finder 2.0 Indo Pacific. Data collection was conducted using the UPT (Underwater Photo Transect) method at two different depths: 1-5 meters and 6-10 meters. The research results indicate that the coral reef ecosystem at Kecinan Beach is in poor condition. The percentage of live coral cover at depths of 1-5 meters is 3,58%, and at depths of 6-10 meters is 0,90%. There is ten types of coral reef lifeforms were found distributed across both depths: Acropora branching, Acropora tabulate, coral branching, encrusting, foliose, heliopora, massive, millepora, mushroom, and submissive. Diversity, evenness, and dominance indexs shows even distribution of lifeforms with no dominant species in the coral reef ecosystem at Kecinan Beach, North Lombok.
Diversity and Composition of Macroalgae in the Rambang Delta, East Lombok Ghazali, Mursal; Artiningrum, Novita Tri; Setyaningrum, Tri Wahyu; Nurhayati, Nurhayati; Murdiah, Murdiah
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4b.10898

Abstract

Delta ecosystems represent dynamic coastal transition zones that play a crucial role in maintaining ecological balance and supporting biological productivity. The Rambang Delta in East Lombok, Indonesia, is influenced by tidal mixing and freshwater discharge, creating heterogeneous environmental conditions that support diverse benthic macroalgae communities. This study aimed to analyze the composition, diversity, and spatial distribution of macroalgae and evaluate the influence of environmental parameters on community structure across three sampling stations exposed to aquaculture activities. Macroalgae samples were collected using purposive sampling within 1×1 m plots, identified morphologically, and analyzed using species importance value index (INP), Shannon–Wiener diversity (H′), evenness (E), and Simpson dominance index (D). Ten water quality parameters were measured in situ and exitu to assess ecological conditions. The results of the study indicate that the environmental parameters of the research location are partly within the environmental quality standards, such as temperature, salinity, pH, and current. While turbidity, PO4-P, NH3-N, and DO are outside the environmental quality standards. The number of species found was 56, consisting of 25 species of chlorophyta macroalgae, 19 species of Rhodophyta, and 12 species of Phaeophyta. Station 1 has an H′ value of 1.9, while Station 2 and Station 3 have values of 2.6 and 2.7, respectively. Meanwhile, the uniformity index (E) value at Station 1 is 0.63, 0.66 at Station 2, and 0.74 at Station 3. In contrast, the dominance index (D) at Station 1 is 0.22, and Stations 2 and 3 have a dominance index value of 0.12.
PHYTOCHEMICAL SCREENING AND ANTIBACTERIAL ACTIVITY OF SOFT CORAL Nephthea sp. EXTRACT ISOLATED AGAINST Escherichia coli Setyaningrum, Tri Wahyu; Nurulfadilah; Candri, Dining Aidil; Dharmayani, Ni Komang Tri; Ghazali, Mursal; Faturrahman
BIOMA : Jurnal Ilmiah Biologi Vol. 15 No. 1 (2026): April 2026
Publisher : Prodi Pendidikan Biologi, FPMIPATI, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/bioma.v15i1.3070

Abstract

This study aimed to evaluate the antibacterial potential of Nephthea sp. extract against Escherichia coli and to analyze the phytochemical constituents present in Nephthea sp. using various solvents. The extraction process was carried out using the maceration method with three different solvents: n-hexane, ethyl acetate, and methanol. The resulting extracts were analyzed through phytochemical screening and antibacterial activity assays. The results showed that Nephthea sp. extract contained several classes of bioactive metabolites, including alkaloids, flavonoids, triterpenoids, steroids, tannins, and saponins. Antibacterial testing demonstrated that the ethyl acetate extract produced the largest inhibition zone, measuring 3.16 mm. Based on the ANOVA test results, the 25% concentration showed a significant effect on the inhibition zone. Based on phytochemical analysis, the ethyl acetate extract contained triterpenoid compounds, whereas the other solvents did not
ANALISIS MINAT BACA PADA SISWA KELAS IV SD TERHADAP MOTIVASI BELAJAR SISWA PADA MATA PELAJARAN BAHASA INDONESIA Setyaningrum, Tri Wahyu; Putriyanti, Lina; Mudzanatun, Mudzanatun
Malih Peddas (Majalah Ilmiah Pendidikan Dasar) Vol 16, No 1 (2026): Malih Peddas, Volume 16, Nomor 1
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/malihpeddas.v16i1.27259

Abstract

Penelitian ini menggunakan metode penelitian kualitatif, yang bertujuan untuk menjabarkan informasi terkait minat baca dan faktor-faktor minat baca siswa kelas IV di SD Negeri 01 Kebondalem Pemalang pada mata pelajaran Bahasa Indonesia. Subjek dalam penelitian ini yaitu Guru Kelas IV SD Negeri 01 Kebondalem dan  6 siswa kelas IV SD Negeri 01 Kebondalem Pemalang. Penelitian ini memakai metode pendekatan deskriptif yang fokusnya pada eksplorasi fenomena secara mendalam melalui penggambaran yang akurat dan terstruktur. Fokus dalam riset ini yaitu faktor-faktor yang mempengaruhi minat baca siswa kelas IV di SD Negeri 01 Kebondalem Pemalang pada mata pelajaran Bahasa Indonesia. Hasil penelitian menunjukkan bahwa minat baca siswa didominasi oleh unsur hiburan. Mereka membaca bukan karena kebutuhan akademik atau keinginan untuk memahami informasi, tetapi karena ingin menikmati cerita atau gambar, sebagian besar siswa membaca 1–3 kali seminggu, bahkan ada yang hanya membaca ketika ada jam literasi, Siswa lebih menyukai buku cetak bergambar, namun koleksi buku menarik di sekolah terbatas, sebagian siswa memiliki kemauan belajar, meskipun masih memerlukan arahan. Mereka berusaha menyelesaikan tugas secara mandiri dan bangga ketika berhasil, sebagian besar siswa cenderung belajar hanya ketika terdapat ulangan, tugas, atau tuntutan akademik tertentu, Siswa sering merasa pusing, lelah, mengantuk, atau sulit fokus ketika belajar terlalu lama, pujian meningkatkan kepercayaan diri siswa. Semua siswa serempak menyatakan bahwa pujian atau hadiah membuat mereka lebih semangat belajar, suasana kelas mendukung, tetapi fasilitas masih kurang.
Co-Authors Adyana, Angga AIDA MUSPIAH Arief Budiman Derksen, Engelina Noer Soraya Dining Aidil Candri, Dining Aidil Eko Agus Suyono Enni Suwarsi Rahayu Faturrahman Haqiqi, Nirwana Hayatillah, Raudhah Hilman Ahayadi I Putu Bayu Putra Kastawan Izzati, Inayatul Julisaniah, Nur Indah Karima, Maulida Khair, Gina Auliatul Lalu Japa, Lalu Mudzanatun Mudzanatun Munawaroh, Anggi Nurhardiyanti murdiah, murdiah Musyarrafah Muthmaina, Inan Ning Setiati NOVITA TRI ARTININGRUM Nurhayati Nurhayati nurulfadilah Prasedya, Eka Sunarwidhi Putri, Windi Septiya Putriyanti, Lina Rozikin, Rozikin Salman Alrasyid, Salman Alrasyid Salsabila, Puspa Dwi Saputra, Fitriani Saputra, Hendri Irman Shofiana, Dwi Auliya Sholehah, Nayla Qoni’Atun soviani, Heni Tri Dharmayani, Ni Komang Tri Mulyaningsih Ulfaturrahmi, Martina Virgota, Arben Widie Kemala Hapsari, Widie Kemala Widyaswara, Gravinda