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All Journal JURNAL BIOLOGI INDONESIA Indigenous Biologi Barakuda 45 Manilkara: Journal of Bioscience
Suryandari, Astri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology Medicine & Pharmacology Neuroscience Veterinary

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KARAKTERISTIK POPULASI LABI-LABI AMYDA CARTILAGINEA (BODDAERT, 1770) YANG TERTANGKAP DI SUMATERA SELATAN Sentosa, Agus Arifin; Wijaya, Danu; Suryandari, Astri
JURNAL BIOLOGI INDONESIA Vol 9, No 2 (2013): JURNAL BIOLOGI INDONESIA
Publisher : Perhimpunan Biologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/jbi.v9i2.164

Abstract

The Asiatic softshell turtle Amyda cartilaginea (Boddaert, 1770) is one of the reptile commodities included in CITESAppendix II with vulnerable status according to IUCN. The species has been harvesting, especially for export purposein South Sumatera. The reseach was aimed to know the population characteristics of the Asiatic softshell turtleharvested in South Sumatera. The study was carried out based on enumerators approach from July to Desember2012 in South Sumatera. The data enumeration also has been collected from the 1st collectors. Data analysis includedthe size distribution of carapace curve length (CCL), carapace curve width (CCW), body weight, sex ratio, agestructure, CCL-weight relationship and von Bertalanffy growth parameters. The results showed that there wererecorded 306 individuals of A. cartilaginea (92% adult) with sex ratio male and female is 42:58. Its has carapacecurve length range from 10 to 75.5 cm, carapace curve width 9 to 59.5 cm and body weight 0.02 to 40 kg. A.cartilaginea growth pattern was negatively allometric (b = 2.727). The von Bertalanffy growth formula of A.cartilaginea in South Sumatera was PLK(t) = 78,75{1-exp[-0,18(t-(-0,72)]} cm.Keywords: Amyda cartilaginea, population characteristics, South Sumatera
The Abundance and Community Structure of Phytoplankton in the Ir. H. Djuanda Reservoir Following the Implementation of the “Citarum Harum” Program Sentosa, Agus Arifin; Suryandari, Astri; Hadi, Abdul; Putri, Didha Andini; Gumilang, Andi Perdana; Kusumaningtyas, Dyah Ika; Sarbini, Rakhmat; Susilawati, Evi; Dwiatmojo, Santoso; Hendrawan, Andika Luky Setiyo; Astuti, Iswari Ratna
Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan Vol 7 No 1 (2025): Edisi April
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/barakuda45.v7i1.585

Abstract

The Ir. H. Djuanda Reservoir in Purwakarta Regency is one of the priority areas in the implementation of the Citarum Harum programme, which focuses on restoring the environmental quality of the Citarum River. This study aims to determine the abundance and community structure of phytoplankton in Ir. H. Djuanda Reservoir after the implementation of the Citarum Harum Programme. This study used purposive sampling method at 11 stations in Ir. H. Djuanda Reservoir in August 2024. Phytoplankton abundance was measured based on APHA and community structure was analysed using ecological indicators including diversity, variability and dominance indices. Water quality assessment was determined using the STORET method as the analytical instrument. Statistical analyses were also conducted to assess differences in phytoplankton abundance between stations. The results showed that the phytoplankton community in Ir. H. Djuanda Reservoir during the study consisted of five classes and 31 genera with low diversity and evenness and no dominance. Phytoplankton abundance ranged from 389,048 - 710,536 cells/L and differed between stations (P<0.05). The relative abundance of Cyanophyceae (46.60%) was almost equal to Chlorophyceae (43.45%) indicating a change in the environment for the better. This study is expected to be one of the references for monitoring and evaluation materials for the implementation of the Citarum Harum programme as empirical evidence that there has been a change in the water quality status of Ir. H. Djuanda Reservoir from heavily polluted to moderately to lightly polluted.
Struktur Komunitas Plankton Sebagai Indikator Biologis di Perairan Waduk Ir. H. Djuanda Jatiluhur Sari, Fatma Devi Nur Indah; Suryandari, Astri; Sentosa, Agus Arifin; Sarbini, Rakhmat; Hendayana, Yayat
MANILKARA: Journal of Bioscience Vol 4 No 1 (2025): August
Publisher : LPPM Universitas Terbuka

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Abstract

Waduk Ir. H. Djuanda Jatiluhur merupakan waduk buatan terbesar di Indonesia yang berperan penting dalam aktivitas manusia, sehingga rentan mengalami perubahan kualitas perairan. Plankton sebagai organisme sensitif di dasar rantai trofik, dapat digunakan sebagai indikator biologis untuk menilai kondisi ekosistem waduk. Penelitian ini bertujuan untuk menganalisis struktur komunitas fitoplankton dan zooplankton serta keterkaitannya dengan parameter kualitas air di Waduk Jatiluhur. Penelitian dilakukan di 8 stasiun pengamatan selama Februari-Juni 2025, meliputi pengukuran suhu, pH, oksigen terlarut, nitrat, dan fosfat. Identifikasi dan penghitungan plankton dilakukan untuk menentukan kelimpahan dan keanekaragaman, dianalisis dengan Indeks Keanekaragaman Shannon-Wiener. Hasil menunjukkan fitoplankton didominasi oleh Cyanophyceae (61%) dengan kelimpahan 8.214-54.048 sel/L, sedangkan zooplankton didominasi Rotifera (51%) dengan kelimpahan 0-2.143 sel/L. Indeks Keanekaragaman fitoplankton berkisar 1,21-2,39 dan zooplankton 0-1,85. Temuan ini mengindikasikan kondisi perairan waduk berada pada kategori mesotrofik hingga eutrofik. Struktur komunitas plankton mencerminkan kualitas air yang berkisar dari mesotrofik (nutrien sedang) hingga eutrofik (nutrien tinggi). Kondisi ini penting untuk pemantauan dan pengelolaan ekosistem waduk secara berkelanjutan.
STUDI KEBIASAAN MAKANAN (FOOD HABITS) PADA BEBERAPA IKAN DI WADUK IR. H. DJUANDA JATILUHUR, JAWA BARAT Ariska, Desi; Suryandari, Astri; Kurniawati, Heny; Kusmaningrum, Elizabeth N
INDIGENOUS BIOLOGI : JURNAL PENDIDIKAN DAN SAINS BIOLOGI Vol 8 No 2 (2025): INDIGENOUS BIOLOGI : JURNAL PENDIDIKAN DAN SAINS BIOLOGI
Publisher : Prodi Pendidikan Biologi FKIP Universitas Kristen Artha Wacana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33323/indigenous.v8i2.731

Abstract

Waduk Ir. H. Djuanda Jatiluhur merupakan bendungan yang memiliki kategori jenis ikan introduksi dan ikan asli. Tujuan penelitian, untuk mengkaji kebiasaan makanan serta cakupan relung trofik. Analisis data kebiasaan makanan ikan menggunakan indeks dominansi makanan, perhitungan tingkat trofik dan luas relung. Hasil peneiltian menunjukkan bahwa menurut kebiasaan makanannya terdapat 2 kelompok, yaitu (1) Ikan herbivora terdiri dari patin (Pangasianodon hypophthalamus) dengan nilai tingkat trofik 2,16 luas relung 1,66; ikan mas (Cyprinus Carpio) dengan nilai tingkat trofik 2,20 luas relung 1,47; ikan nila (oreochromis niloticus) dengan nilai tingkat trofik 2,02 luas relung 1,02; Oscar (Astronotus ocellatus) dengan nilai tingkat trofik 2,17 luas relung 1,25; oskar hitam (Astronotus ocellatus) dengan nilai tingkat trofik 2,04 luas relung 1,05; corencang (Cyclocheilichthys apogon) dengan nilai tingkat trofik 2,00 luas relung 1; (2) Ikan karnivora terdiri dari, peacock bass (Cichla ocellaris) dengan tingkat trofik 4,00 luas relung 1; kebogerang (Mystus nigriceps) dengan tingkat trofik 3,28 luas relung 1,37.
Squid Catching Productivity with Cast Net at the Nusantara Kejawanan Fishing Port, West Java Sentosa, Agus Arifin; Riyanto, Jagad Slamet; Hadi, Abdul; Suryandari, Astri; Putri, Didha Andini; Wahyuningsih, Sri; Kusumaningtyas, Dyah Ika; Hendrawan, Andika Luky Setiyo; Hedianto, Dimas Angga; Susilawati, Evi; Indriatmoko, Indriatmoko; Widarmanto, Nanang; Gumilang, Andi Perdana; Sudarto, Sudarto; Astuti, Iswari Ratna; Indrianto, Rachmat
Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan Vol 7 No 2 (2025): November
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/barakuda45.v7i2.701

Abstract

The Nusantara Fishing Port (PPN) Kejawanan is located in the Lemahwungkuk District of Cirebon City. Cast nets are a widely used fishing gear for catching squid. This study aims to describe how cast nets are operated and to analyze variations in squid catch productivity per trip and per gross tonnage (GT) of the vessel. The method used was a survey method through direct observation and interviews to obtain technical data on fishing operations and catch results. Observations were made on seven (7) cast net vessels per month (n = 7 vessels/month) during the period January–March 2024. The results of the study show that during January–March 2024, the highest productivity value occurred in January at 7,349 kg/trip and the lowest value was 6,224 kg/trip in February. Meanwhile, the highest productivity per GT of vessel catch was in January at 183.73 kg/GT of vessel, and the lowest was in February at 121.02 kg/GT. This variation in productivity between months occurred in the context of the season and was related to a combination of technical operational factors and fishing environmental conditions.
Co-Authors Abdul Hadi Agus Arifin Sentosa, Agus Arifin Andi Perdana Gumilang Astuti, Iswari Ratna DANU WIJAYA Desi Ariska Dwiatmojo, Santoso Evi Susilawati Hedianto, Dimas Angga Hendayana, Yayat Hendrawan, Andika Luky Setiyo Heny Kurniawati Indrianto, Rachmat Indriatmoko Indriatmoko, Indriatmoko Kusmaningrum, Elizabeth N Kusumaningtyas, Dyah Ika Putri, Didha Andini Riyanto, Jagad Slamet Sarbini, Rakhmat Sari, Fatma Devi Nur Indah Sri Wahyuningsih Sudarto Sudarto Widarmanto, Nanang