Fanny Fransina Carolina Simatauw
Program Studi Manajemen Sumberdaya Perairan, Jurusan Perikanan Fakultas Perikanan Dan Ilmu Kelautan, Universitas Papua Jln.Gunung Salju Amban, Manokwari. Papua Barat, 9831

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Studi Kualitas Air Kolam Ikan Air Tawar di Balai Benih Ikan Sentral Masni, Kabupaten Manokwari, Provinsi Papua Barat Desy Nataliah; Alianto; Fitriyah Irmawati Ellyas Saleh; Fanny Fransina Carolina Simatauw; Fadli Zainuddin; Safar Dody
Jurnal Pengendalian Pencemaran Lingkungan (JPPL) Vol. 4 No. 2 (2022): JPPL, September 2022
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat (P3M)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/jppl.v4i2.1477

Abstract

Water quality parameters in pond include ammonia, nitrite, nitrate, phosphate, BOD, DO, turbidity, temperature, and pH. It is important to know the concentration of each component to properly minimize the negative impacts of their disturbances for the overall water quality and the biota in it. This study aims to determine the concentration of ammonia, nitrite, nitrate, phosphate, BOD, DO, turbidity, temperature, and pH in freshwater fish ponds at the Central Fish Seed Office (BBIS) of Masni, Manokwari Regency, West Papua Province. The study was conducted in May 2017, representing the rainy season, and August 2017, representing the dry season. Water samples were taken from settling, rearing, hatchery, and brood ponds. Meanwhile, standard method was implemented in the component measurements. The study results show that the concentrations of ammonia, nitrite, nitrate, and phosphate were 0.02-0.18 mg/L, 0.00-2.00 mg/L, 0.40-1.00 mg/L, and 1.01-21.83 mg/L, respectively. Furthermore, the concentrations of BOD and DO were 6.12-8.19 mg/L and 7.30-12.00 mg/L, respectively. Finally, the values of turbidity, temperature, and pH were 0.40-9.99 NTU, 26-30°C and 7.7-8.5, respectively.
Distribusi Ukuran dan Tingkat Kematangan Gonad Ikan Julung-Julung Hemiramphus lutkei (Valenciennes, 1847) yang diperdagangkan di Kabupaten Manokwari Papua Barat Yohanes Aibesa; Mudjirahayu Mudjirahayu; Tutik Handayani; Emmanuel Manangkulangi; Abdul Hamid A. Toha; Fanny F. C. Simatauw; Fitriyah I.E Saleh
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 5, No 2 (2022): ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua
Publisher : Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/acr.v5i2.2572

Abstract

This study aims to determine the distribution of length to weight, sex ratio, gonad maturity level of julung fish (Hemiramphus lutkei) traded in Sanggeng and Borobudur Manokwari fish markets, West Papua. Research data collection was carried out for ± 1 month, namely February - March 2021, using a descriptive method. The number of fish samples collected was 542 fish. The results of the analysis of the size distribution of julung-julung fish during sampling for body length ranged from 219 – 355 mm for males and 215 -380 mm for females, with a body weight range of 27-53 grams for males and 30-65 grams. The sex ratio analysis of julung julung fish was obtained for males (321 fish) and females (221 fish) significantly different, which means this ratio deviated from the ideal value of 1:1. Based on the results of the analysis show that the value of X2 -count > X2 -table, then H0 is rejected, which means the sex ratio of male and female fish is not balanced from TKG I-VII for males and TKG II-VII for females and mostly found in TKG III conditions. The size of the male julung fish when the gonads first mature was estimated at a length of about 230-260 mm and the female at a size of 250-280 mm. The average Gonad Somatic Index (GSI) of female julung fish was 0.0876 and the standard error was 0.0061 with a GSI range of 0.0092 – 0.7574. The relation- ship between TKG and GSI shows that the increasing stage of fish gonad maturity will be followed by an increase in the value of the fish gonadal index.