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Kusen, Diane J.
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Environmental Science

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Penggunaan tepung daun kedondong laut beda komposisi terhadap pertumbuhan ikan Nila (Oreochromis niloticus) Pasiali, Andris; Lumenta, Cyska; Kusen, Diane J.
e-Journal BUDIDAYA PERAIRAN Vol 7, No 1 (2019)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.7.1.2019.27197

Abstract

The aim of the study was to determine the effect of different compositions of kedondong laut leaf flour in feed formulations on absolute growth, daily growth, relative growth, feed efficiency, food conversion ratio. The test animals used were Nile tilapia with a size of 3-5cm in length and weigh between 1.3 - 2 g.  Fish were stocked in nets measuring 50x50x50 cm3 with a density of 10 fish each.  Fish were obtained from the Tatelu Aquaculture Fisheries Center, Dimembe District, North Minasaha Regency. The study was conducted by an experimental method using a complete randomized design (CRD).  The treatments consisted of A without addition of kedondong laut leaves flour, Treatment B with addition of 10% kedondong laut leaf flour, Treatment C with addition of 20% kedondong laut leaf flour, Treatment D with addition of 30% kedondong laut leaf flour. The results of the experiment showed that treatment B was the best where absolute growth (23%), relative growth (287.3%), daily growth (3.93%), feeding efficiency (95.83 %) and food conversion ratio (1,044). Water quality during the experiment was in a reasonable range where the water temperature during experiment was 26oC, pH 7-8
Kelayakan lokasi budidaya ikan Kuwe (Caranx sp.) ditinjau dari parameter fisika kimia kualitas air pada karamba jaring apung di Desa Tuntung Timur Kabupaten Bolaang Mongondow Utara Datunsolang, Frayogi; Kusen, Diane; Kalesaran, Ockstan J.; Undap, Suzanne L.; Sambali, Hariyani; Wantasen, Adnan S.; Salindeho, Indra
e-Journal BUDIDAYA PERAIRAN Vol 9, No 2 (2021)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.9.2.2021.34127

Abstract

This study aimed: (1) to analyze the physical and chemical parameters of water quality of the giant travelly fish (Caranx sp) culture area in floating net cages (KJA) in Tuntung Timur Village, Bolaang Mongondow Utara Regency, and (2) to analyze the feasibility of water quality of the giant travelly fish (Caranx sp) in east Tuntung Village, North Bolaang Mongondow Regency. The  physical and chemical parameters of water at the cultivation site of Caranx sp in floating net cages were measured in situ, including temperature, salinity, brightness, dissolved oxygen and pH. Chemical physics parameters in floating net cages, namely: temperature ranges from 28.6 oC - 33.3 oC, salinity 30 - 33 0/oo, pH 7.6 - 7.9, oxygen content 3, 9 - 4.3 mg / l and water transparency of 7.4 m - 9.9 m. The giant travelly fish aquaculture in KJA in east Tuntung village is an enlargement activity, the seeds were stocked from bagan and the surrounding waters, the size of the seeds ranged from 8-12 cm, and the stocking density was 500-600 fish. Maintenance was carried out for 5-6 months and harvested at sizes 300-4000 gr/individu. The water quality surrounding KJA was ideal for fish farming activities.
Kelayakan kualitas air untuk budidaya ikan Kuwe (Caranx sp.) pada kurungan jaring apung di Perairan Kelurahan Makawidey Mamesah, Yulia; Undap, Suzanne L.; Tumembouw, Sipriana S.; Kusen, Diane J.; Pangemanan, Novie PL.; Monijung, Revol D.
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 2 (2023): April - Desember
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.v11i2.51628

Abstract

Abstract The aim of study was to determine the feasibility of the quality of Kuwe fish (Caranx sp.) aquaculture waters in floating net cages (KJA) in Makawidey Village, Bitung City. The research method used was purposive with primary data (water quality data: brightness, temperature, depth, salinity, pH, DO) and secondary data (various existing documents and literature that can support research). Prior to data collection, a preliminary study was carried out to determine the research point. The data obtained during the research were analyzed and displayed in the form of tables and graphs and presented descriptively. The results of measuring water quality parameters are; Brightness (Point 1: 2,5 m ; Point 2: 3,1 m ; Point 3: 3,3 m), Depth ( Point 1 : 2.7 m ; Point 2: 9 m ; Point 3: 26,80 m); Temperature (Point 1: 28.40 ± 1.35; Point 2: 27.48 ± 0.90C; Point 3: 27.31 ± 1.36) ; Salinity (Point 1: 31.59±14.5 ; Point 2: 31.57±14.6; Point 3: 31.55±14.6 ppt); pH (Point 1: 8.90±4.9; Point 2: 7.43±3.44; Point 3: 7.20±3.29) and Dissolved Oxygen (Point 1: 9.60±4.39; Point 2: 9.13 ± 4.25; Point 3: 9.13 ± 4.20 mg/l), has a value that is in accordance with seawater quality standards stipulated in Government Regulation Number 22 of 2021 concerning Implementation of Protection and Management Environment. Makawidei waters meet the requirements to be used as a location for aquaculture in terms of water quality parameters and produce a suitable category for aquaculture biota. Keywords: waters environment, psycho-chemical parameters, site selection, sea farmingAbstractThe aim of study was to determine the feasibility of the quality of Kuwe fish (Caranx sp.) aquaculture waters in floating net cages (KJA) in Makawidey Village, Bitung City. The research method used was purposive with primary data (water quality data: brightness, temperature, depth, salinity, pH, DO) and secondary data (various existing documents and literature that can support research). Prior to data collection, a preliminary study was carried out to determine the research point. The data obtained during the research were analyzed and displayed in the form of tables and graphs and presented descriptively. The results of measuring water quality parameters are; Brightness (Point 1: 2,5 m ; Point 2: 3,1 m ; Point 3: 3,3 m), Depth ( Point 1 : 2.7 m ; Point 2: 9 m ; Point 3: 26,80 m); Temperature (Point 1: 28.40 ± 1.35; Point 2: 27.48 ± 0.90C; Point 3: 27.31 ± 1.36) ; Salinity (Point 1: 31.59±14.5 ; Point 2: 31.57±14.6; Point 3: 31.55±14.6 ppt); pH (Point 1: 8.90±4.9; Point 2: 7.43±3.44; Point 3: 7.20±3.29) and Dissolved Oxygen (Point 1: 9.60±4.39; Point 2: 9.13 ± 4.25; Point 3: 9.13 ± 4.20 mg/l), has a value that is in accordance with seawater quality standards stipulated in Government Regulation Number 22 of 2021 concerning Implementation of Protection and Management Environment. Makawidei waters meet the requirements to be used as a location for aquaculture in terms of water quality parameters and produce a suitable category for aquaculture biota.Keywords: waters environment, psycho-chemical parameters, site selection, sea farming
Kajian kelayakan kualitas air untuk budidaya ikan sistim kurungan jaring tancap di Kelurahan Urongo Duyoh, Marini; Pangemanan, Novie P. L.; Kusen, Diane J.; Kalesaran, Ockstan J.; Undap, Suzanne L.; Tumembouw, Sipriana S.
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 2 (2023): April - Desember
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.v11i2.51791

Abstract

The fishery sector which has great profit prospects can still be developed by cultivating fish better by paying attention to the condition of the water quality. In fish farming, it is very important to study water quality conditions because water quality parameters are a limiting and life-supporting factor for the types of aquatic biota cultivated in a waters including tilapia (Oreochromis niloticus. This research was conducted to assess water quality, both physical, chemical, and aquatic biology of Lake Tondano to support the feasibility test activities of Lake Tondano waters for Cage Netting Cage cultivation media. The research method used was purposive sampling. Primary data comes from primary data which is the result of measurements of physico-chemical parameters of water quality directly in the field (in situ) and supported by secondary data on several physical and chemical parameters of Lake Tondano waters as well as data on water quality of the cultivation media with the Netting Cage system. The physical and chemical parameters of Lake Tondano waters at the three stations were analyzed using the suitability scoring method for the location of Tondano Lake waters to be used as a maintenance medium fish with a Stuck Net Containment system. The results of the study concluded that the physical and chemical quality of water in Urongo waters was suitable for net cage culture. Keywords: physical-chemical parameters, Lake Tondano, aquaculture, Nile tilapia
Analisis kandungan organoklorin pada area akuakultur di Perairan Pulau Nain Pratasik, Gerald A.; Tumembouw, Sipriana S.; Kusen, Diane J.; Undap, Suzanne L.; Ngangi, Edwin L. A.; Kreckhoff, Reni L.
e-Journal BUDIDAYA PERAIRAN Vol. 12 No. 1 (2024): Januari - Juni
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.v12i1.55659

Abstract

Organochlorine pesticides are one type of pesticide that is often used and some organochlorine pesticides are included in the group of Persistent Organic Pollutants, this type of pesticide is a pollutant that is a problem because it is resistant and bioaccumulative. Organochlorine characteristics that can adversely affect the environment are; 1). Decomposes very long in soil, air, water, and in living things, and can also stay in the environment for a long time. 2). It can enter the food chain and accumulate in fat tissue, making it difficult to dissolve in water. 3). Can be carried far through air and water. Seeing the nature of organochlorine pesticides that can last a long time in the environment and can be carried away by air and water, and the discovery of organochlorines in Manado Bay does not rule out the possibility that organochlorine pesticides can also exist in the waters of Nain Island. The objectives of this study are: (1) Measuring the physical parameters of water chemistry (temperature, DO, pH, and salinity) and organochlorine pesticide levels in Nain Island waters, (2) Analyzing organochlorine levels in Nain Island seawater samples. Measurements and sampling were carried out on Nain Island, Wori District, North Minahasa Regency on May 22, 2023. The results showed that there were organochlorines of endrin and DDT types in the waters of Nain Island, the concentration of endrin and DDT did not exceed the threshold of seawater quality standards PP RI No. 22 of 2021. The results of measuring water quality parameters show that the measurement location is still under seawater quality standards. Keywords: pesticides, water quality, aquaculture, seaweeds
Kajian perubahan warna gonad kerang mutiara hitam Pinctada margaritifera berdasarkan ukuran cangkang di perairan Teluk Talengen, Kepulauan Sangihe Bawekes, Frisley Rici; Kalesaran, Ockstan J.; Lumenta, Cyska; Mingkid, Winda M.; Kusen, Diane J.; Sambali, Hariyani
e-Journal BUDIDAYA PERAIRAN Vol. 12 No. 2 (2024): Juli - Desember
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The black pearl oyster Pinctada margaritifera (Linnaeus, 1758) or black lip pearl oyster is a marine bivalve with important economic value. P. margaritifera is a protandrous hermaphroditic species. Externally it is difficult to differentiate between male and female gonads. This research aimed to determine differences in gonad color and determine the sex of P. margaritifera based on shell size. The test animals used in this research were black pearl mussels P. margaritifera totaling 33 samples taken from Talengen Bay, Sangihe Islands Regency, North Sulawesi. The results of morphometric measurements showed the average shell length was 103.16 mm, where the maximum shell length was 131.61 mm and the minimum was 81.29 mm. The average shell width was 105.65 (max 141.17 mm-min 83.21mm), the average shell thickness was 32.46 mm (max 44.36, min 20.11mm). The gonads were white and slightly yellow in 24 males and yellow in 9 females. P. margaritifera with a shell length of 90-130 mm was found to be female, and most were 110-120 mm in size. Meanwhile, shell lengths <80 mm and 110-130 mm male pearl oysters were still found. Keywords: marine bivalve, growth rate, morphometric, shell length
Co-Authors Adnan Wantasen Bawekes, Frisley Rici Cyska Lumenta Datunsolang, Frayogi Duyoh, Marini Edwin D Ngangi Indra Salindeho Kreckhoff, Reni L. Mamesah, Yulia Monijung, Revol D. Ockstan J. Kalesaran Pangemanan, Novie P. L. Pangemanan, Novie PL. Pasiali, Andris Pratasik, Gerald A. Sambali, Hariyani Sipriana S. Tumembouw Suzanne L Undap Winda M. Mingkid, Winda M.