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Journal : Jurnal Perikanan

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CORELATION OF SEA SURFACE TEMPERATURE AND CHLOROPHYL CONCENTRATIONS WITH PRESENCE OF DOLPHINS IN KILUAN BAY, LAMPUNG Kusuma, Anma Hari; Efendi, Eko; Mayagues, Henky; Yudha, Indra Gumay; Hasani, Qadar
Jurnal Perikanan Unram Vol 15 No 3 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i3.1522

Abstract

Kiluan Bay is one of the marine conservation areas in Tanggamus Regency, Province of Lampung through which dolphins migrate. This research aims to analyze the relationship between the distribution of sea surface temperature and chlorophyll with the appearance of dolphins in Kiluan Bay. This research uses an exploratory survey method. The research results show that the highest appearance of dolphins was in the Transition Season I, around 117 in the temperature range of 29,44-29,88°C with a chlorophyll concentration of 0,120-0,184 mg/m³ and the lowest in the West Season was around 31 in the temperature range of 28,56-29,34°C with a chlorophyll concentration of 0,096-0,134 mg/m³. The appearance of dolphins is more strongly related to sea surface temperature than to chlorophyll concentration because dolphins do not eat phytoplankton directly where there is a time lag where increasing the chlorophyll concentration value does not immediately have an impact on increasing the intensity value of dolphin emergence, but requires some predation time.
ANTIBACTERIAL ACTIVITY OF Xetospongia sp. AND Spongia sp. SPONGE EXTRACT AGAINST PATHOGENIC BACTERIA FROM THE WATERS OF PAHAWANG ISLAND, LAMPUNG Kusuma, Anma Hari; Putri, Berta; Efendi, Eko; Safitri, Tiara; Hidayah, Siska
Jurnal Perikanan Unram Vol 15 No 6 (2025): JURNAL PERIKANAN
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jp.v15i6.1935

Abstract

Spons adalah hewan avertebrata bentik laut dari Filum Porifera yang memiliki senyawa bioaktif yang dapat berfungsi sebagai antibakteri. Tujuan penelitian ini adalah membandingkan antara ekstrak spons jenis Xetospongia sp. dengan Spongia sp. terhadap bakteri patogen. Penelitian ini dilakukan pada bulan Mei-November 2025. Sampel spons jenis Xetospongia sp. dan Spongia sp. diambil dari perairan Pulau Pahawang diekstrak menggunakan metanol, etil asetat dan heksana. Hasil penelitian menunjukkan ciri morfologi memliki permukaan tubuh kasar dengan bentuk membulat dan warna kemerahan sedangkan jenis Spongia sp. memiliki permukaan tubuh lembut dengan mengerak dan warna hitam gelap. Rendemen ekstrak spons menggunakan etil asetat lebih besar dibandingkan dengan menggunakan metanol dan hexana. Aktivitas antibakteri ektrak spons terhadap bakteri patogen spons Xetspongia sp. menggunakan hexana sedangkan spons Spongia sp. menggunakan metanol.
Co-Authors Agus Setyawan Agustin Rustam Andi Purwandani Anma Hari Kusuma, Anma Hari Berta Putri Damanhuri, Harfiandri DEDI SOEDHARMA Delis, Putu Cinthia Esti Harpeni Henni Wijayanti Maharani Hidayah, Siska Indra Gumay Yudha Karima, Nisa Kusumawati, Rr Puji Hastuti Lahay, Almira Fardani Laresty, Nazolla Audia Limin Santoso Mahrus Ali Mayagues, Henky Mayaguezz, Henky Moh Muhaemin Moh. Muhaemin Muamar, Aslam Muhammad Luthfi Muhammad Ramdhan N. Nurjanah NEVIATY PUTRI ZAMANI Ningsih, Ika Rahayu Norjanna, Fitri Novi Susetyo Adi, Novi Susetyo Nuning Mahmudah Noor Permata Sari, Kurnia Dwi Priambodo, Mohammad Fadhil Qadar Hasani Rudhy Akhwady Ruhenda, Uhen Safitri, Tiara Samusamu, Andrias Steward Siregar, Amril Ma’ruf Siti Hudaidah Sitompul, Hotlan Albert Adventus Supono Supono Susanti, Oktora Taslim Arifin Yulanda, Meisi Yuliana, Darma Yulius Yulius