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Nurul Ekawati
Universitas Nahdlatul Ulama Cirebon
Social Sciences

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Kelimpahan dan Keanekaragaman Plankton di Bendungan Sinyur Jamblang Kabupaten Cirebon: Kelimpahan dan Keanekaragaman Plankton Putri Hawa; Fatimatuzzahroh Feti; Nurul Ekawati; Teni Novianti
Jurnal Jembatan Efektivitas Ilmu dan Akhlak Ahlussunah Wal Jama'ah Vol 6 No 3 (2025): September
Publisher : LPPM UNU CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/jendelaaswaja.v6i3.1398

Abstract

This study aimed to determine the types, abundance, and diversity index of plankton in the Sinyur Jamblang Dam, Warujaya Village, Cirebon Regency. Plankton is an important indicator for assessing the quality and productivity of a body of water. The research method used was an exploratory survey with purposive sampling at three stations: the inlet, the middle of the dam, and the outlet. Plankton samples were collected using a plankton net and observed under a microscope using a Sedgwick-Rafter Counting Cell. The results showed that phytoplankton were dominated by Chlorophyta (77%), and zooplankton were dominated by Zoothamnium (50%). The plankton diversity index (H') was 0.86, which is considered low, indicating the waters have low-moderate productivity. The highest phytoplankton abundance was recorded at 398,000 cells/L and the lowest at 102,000 cells/L. This study revealed that 21 genera of plankton were identified in the Sinyur Jamblang Dam, consisting of 14 genera of phytoplankton and 7 genera of zooplankton. Plankton abundance ranged from 81 to 1,488 individuals/L, with dominance by the class Chlorophyceae. The diversity index (H’) ranged from 1.3 to 1.9, which falls into the moderate category, indicating that the aquatic environment still supports plankton life.
Kontribusi Jenis Ikan terhadap Nilai Produksi dan Implikasinya terhadap Strategi Pemasaran Perikanan di Perairan Laut Jawa (Studi Kasus Di PPN Muara Angke) Meutia Mollynda; Fajar Hidayaturohman; Nurul Ekawati
Jurnal Jembatan Efektivitas Ilmu dan Akhlak Ahlussunah Wal Jama'ah Vol 6 No 3 (2025): September
Publisher : LPPM UNU CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/jeas.v6i3.1468

Abstract

The fisheries sector plays a crucial role in supporting food security and coastal economies, particularly in high-intensity fishing areas such as Muara Angke. Drift gillnets are among the dominant fishing gears in the Java Sea, contributing significantly to landings at Muara Angke Fishing Port (PPN Muara Angke). However, the contribution of each fish species to production value and its implications for marketing strategies remain underexplored.This study aims to analyze the contribution of fish species to production value and to identify implications for fisheries marketing strategies in the Java Sea, using secondary data from drift gillnet landings at PPN Muara Angke in 2025. The analysis was conducted by calculating the production volume and value of each species and relating them to market demand and processing potential.The results show that the total drift gillnet production in 2025 reached 35,000 tons, with the largest contributions from skipjack tuna (35.7%), mackerel scad (26.3%), and narrow-barred Spanish mackerel (13.7%). Together, these three species accounted for more than 75% of the total production. The dominance of small to medium pelagic species highlights their economic importance, both for direct consumption and as raw materials for processing industries such as canning, smoking, and freezing. Other species, including scad, round scad, and mixed catches, contributed less but remain essential for catch diversity and local market supply. Marketing strategies should prioritize supply chain strengthening, post-harvest quality improvement, and product diversification for skipjack tuna, mackerel scad, and Spanish mackerel. Meanwhile, minor species can be developed through product differentiation and local marketing to reduce dependency on a few dominant commodities.
Teknik Identifikasi Ektoparasit Ikan Brek (Puntius orphoides) yang Ditemukan di Sungai Cimanuk Kabupaten Sumedang Asep Rachmat Pratama; Nurul Ekawati; Billy Rifa Kusumah
Jurnal Jembatan Efektivitas Ilmu dan Akhlak Ahlussunah Wal Jama'ah Vol 6 No 4 (2025): December
Publisher : LPPM UNU CIREBON

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52188/jendelaaswaja.v6i4.1659

Abstract

Brek fish is one of the economically consumed fish that is affordable. In Indonesia, brek fish have long been cultivated because they are suitable for tropical climates, so they can be cultivated throughout the year. The purpose of this study was to determine the types of ectoparasites as well as the intensity and prevalence values carried out at the Cimanuk River, Sumedang Regency. Based on the results of the study, 6 types of ectoparasites were found in brek fish, namely Trichodina sp., Dactylogyrus sp., Gyrodactylus sp., Oodinium sp., Ichthyophthirius multifiliis and Myxobolus sp. The prevalence rate for Trichodina sp. 66.7% and the intensity value is 7 ind/head, the prevalence value of Dactylogyrus sp. 53.3% and an intensity value of 2.8 ind/head, the prevalence value of Gyrodactylus sp. 33.3% and an intensity value of 2.4 ind/head, a prevalence value of Ichthyophthirius multifiliis 46.6% and an intensity value of 2.6 ind/head, a prevalence value of Myxobolus sp. 16.6% and the intensity value of 0.8 ind/head and the prevalence value of Oodinium sp. 23.3% and an intensity value of 1.6 ind/head.
Co-Authors Asep Rachmat Pratama Billy Rifa Kusumah Fajar Hidayaturohman Fatimatuzzahroh Feti Meutia Mollynda Putri Hawa Teni Novianti