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All Journal e-Journal BUDIDAYA PERAIRAN JURNAL ILMIAH PLATAX JOURNAL OF COASTAL DEVELOPMENT Juvenil: Jurnal Ilmiah Kelautan dan Perikanan
Winda Mercedes Mingkid
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Environmental Science

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A POPULATION STUDY OF BLUE PILCHARDS (Sardinops neopilchardus) IN SOUTH AUSTRALIA WATER USING ALLOZYME ELECTROPHORESIS Winda Mercedes Mingkid
JOURNAL OF COASTAL DEVELOPMENT Vol 9, No 1 (2005): Volume 9, Number 1, Year 2005
Publisher : JOURNAL OF COASTAL DEVELOPMENT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (185.488 KB)

Abstract

The biology and population analysis of Australian pilchards (Sardinops eopilchardus) was reviewedand studied. The Australian pilchards stock was depleted in South Australia whereas in other statesare under-exploited. The population study was done using protein analysis. Six enzymes (PEPB,AH, PGM, EST, MPI and AAT), which showed polymorphism, were scored and used in thepopulation study. For future studies, frozen procedure techniques need to be improved and numberof samples collected need to be extended. 
Pertumbuhan lobster air tawar Cherax quadricarinatus (Von Martens, 1868) yang diberi pakan Keong Tutut Jawa Filopaludina javanica (Von Dem Busch, 1844) Erwin Wiradita Mamonto; Winda Mercedes Mingkid; Revol D. Monijung; Henneke Pangkey; Nego Elvis Bataragoa
e-Journal BUDIDAYA PERAIRAN Vol. 11 No. 1 (2023)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/bdp.11.1.2023.42566

Abstract

The research was carried out to investigate the best amount of large freshwater snail (Filopaludina javanica) meat as feed for the growth and survivals (SR) of freshwater lobster C. quadricarinatus.  The size of freshwater lobster used in this study was 1.70 – 23.90 gr.  Lobsters were kept in aquariums measuring 30 x 30 x 40 cm for 30 days. The experimental design used was a completely randomized design (CRD) with three treatments and three replications that is A (4%), B (7%) and C (10%) of feed. Data analysis was used linier regression. The results showed the (R2) marks close to 1 means that the time of experiment effects the growth of lobster in all treatments, 4% feed (R2 =0,8919), 7% (R2=0,9942) and 10%(R2=0,9484, where the highest coefficient regression was treatment B (0,5818) followed by treatment A (0,4625) and C (0,42), respectively.  The highest survival rate was found in treatment B (91.7%), treatment A (75%) and C (66.7%), respectively.  Results of analysis showed that the size and the length of time of experiment effects the time of growth and survival.
Kelimpahan Vibrio spp. di Perairan Pesisir Kabupaten Halmahera Barat Tamrin Tamrin; Joshian Nicolas William Schaduw; Haryani Sambali; Adnan Sjaltout Wantasen; Desy Maria Helena Mantiri; Rene Charles Kepel; Winda Mercedes Mingkid; Ockstan Jurike Kalesaran; Nurhalis Wahidin; Muhammad Aris; Taufiq Abdullah
Juvenil Vol 5, No 3: Agustus (2024)
Publisher : Department of Marine and Fisheries, Trunojoyo University of Madura, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/juvenil.v5i3.23996

Abstract

ABSTRAKVibrio spp. adalah bakteri gram negatif yang biasa ditemukan di lingkungan estuari, pesisir, dan laut. Vibrio spp. merupakan patogen utama bagi kesehatan manusia dan organisme akuatik. Memahami kelimpahan Vibrio spp. sangat penting untuk dilakukan mengingat resiko terhadap kesehatan manusia, potensi kerusakan lingkungan serta ekonomi. Penelitian ini bertujuan mengeksplorasi kelimpahan Vibrio spp. di perairan pesisir Kabupaten Halmahera Barat. Terdapat sembilan kawasan pengamatan, yaitu Toniku, Tewe, Dodinga, Tuada, Porniti, Payo, Bobo, Sahu, dan Ibu. Sampel air dari bagian permukaan perairan sebanyak 100 ml dimasukan ke dalam botol steril. Pengamatan kelimpahan Vibrio spp. dilakukan dengan metode total plate count (TPC) pada media agar thiosulfate citrate bile salt sucrose (TCBS) yang diinkubasi selama 24 jam pada suhu 28°C. Hasil penelitian ini mengungkapkan Vibrio spp. pada perairan pesisir Kabupaten Halmahera Barat terdapat dalam 2 kelompok koloni, yaitu koloni hijau dengan kelimpahan 1,80 x 102 - 5,00 x 104 CFU/mL dan koloni kuning 2,20 x 103 - 3,08 x 105 CFU/mL. Kesimpulan penelitian ini adalah kelimpahan Vibrio spp. pada sembilan kawasan berkisar antara 102 - 105 CFU/mL.Kata kunci: Bakteri Vibrio spp., Koloni hijau, Koloni kuning, Total plate count.ABSTRACTVibrio spp. are gram-negative bacteria commonly found in estuary, coastal, and marine environments. Vibrio spp. are major pathogens to human health and aquatic organisms. Understanding the abundance of Vibrio spp. is very important given the risk to human health andpotential environmental and economic damage. This study explores the abundance of Vibrio spp. in the coastal waters of West Halmahera Regency. There were nine observation areas: namely Toniku, Tewe, Dodinga, Tuada, Porniti, Payo, Bobo, Sahu, and Ibu. Water samples from the surface waters, as much as 100 ml were put into sterile bottles. The abundance of Vibrio spp. was determined using the total plate count (TPC) method on thiosulfate citrate bile salt sucrose (TCBS) agar media, which were then incubated for 24 hours at 28°C. The results of this study revealed Vibrio spp. in coastal waters of West Halmahera Regency were found in 2 colony groups, namely green colonies with an abundance of 1.80 x 102 - 5.00 x 104 CFU/mL and yellow colonies 2.20 x 103 - 3.08 x 105 CFU/mL. The conclusion of this study is the abundance of Vibrio spp. in nine areas ranging from 102 - 105 CFU/mL.Keywords: Green colonies, Total plate count, Vibrio spp bacteria, Yellow colonies.
Plankton Community Structure In Halmahera Barat Coastal Zone Tamrin; Joshian Nicolas William Schaduw; Haryani Sambali; Adnan Sjaltout Wantasen; Desy Maria Helena Mantiri; Rene Charles Kepel; Winda Mercedes Mingkid; Ockstan Jurike Kalesaran; Nurhalis Wahidin; Muhammad Aris
Jurnal Ilmiah Platax Vol. 12 No. 1 (2024): ISSUE JANUARY-JUNE 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v12i1.53407

Abstract

Research on plankton organisms in supporting aquatic resource management is very important to do. This study aims to see the structure of the plankton community in the coastal waters of West Halmahera Regency. There were 9 sampling sites, namely the waters of Toniku (TO), Tewe (TW), Dodinga (DG), Tuada (TU), Porniti (PR), Payo (PA), Bobo (BO), Sahu (SH), and Ibu (IB). Plankton observations used the Census-SRC method. The parameters observed were abundance, diversity index, uniformity index, and dominance index. The results showed that the highest phytoplankton abundance was found in the TO area, namely 1.7 x 107 cells/m3 and the lowest was 4.1 x 106 cells/m3 in the PR area. The highest phytoplankton diversity index was found in the PR area, namely 2.075 and the lowest was 1.429 in the IB area. The highest uniformity index of phytoplankton was found in the PR area, namely 0.901 and the lowest was 0.624 in the BO and DG areas. The highest phytoplankton dominance index was found in the IB area, namely 0.350 and the lowest was 0.138 in the PR area. The highest zooplankton abundance was found in the DG area at 2.0 x 106 cells/m3 and the lowest was 3.3 x 105 cells/m3 in the IB area. The highest zooplankton diversity index was found in the TU area, namely 1.981 and the lowest was 1.516 in the IB area. The highest uniformity index of zooplankton was found in the IB area, namely 0.942 and the lowest was 0.761 in the DG area. The highest zooplankton dominance index was found in the BO area, namely 0.266 and the lowest was 0.167 in the TU area. The conclusion of this study revealed that the most common type of plankton found was Bacillariophyceae. While the diversity value shows moderate diversity, the uniformity value shows a high level of uniformity, and the dominance value shows low-moderate dominance. Keywords: Diversity index; Uniformity index; Dominance index; Abundance; Plankton Abstrak Penelitian tentang organisme plankton dalam mendukung pengelolaan sumberdaya perairan sangat penting untuk dilakukan. Penelitian ini bertujuan melihat struktur komunitas plankton perairan kawasan pesisir Kabupaten Halmahera Barat. Terdapat 9 lokasi sampling, yaitu perairan Toniku (TO), Tewe (TW), Dodinga (DG), Tuada (TU), Porniti (PR), Payo (PA), Bobo (BO), Sahu (SH), dan Ibu (IB). Pengamatan plankton menggunkan metode Sensus-SRC. Parameter yang diamati adalah kelimpahan, indeks keragaman, indeks keseragaman, dan indeks dominansi. Hasil penelitian menunjukan kelimpahan fitoplankton tertinggi terdapat di kawasan TO yaitu 1,7 x 107 Sel/m3 dan terendah 4,1 x 106 Sel/m3 di kawasan PR. Indeks keragaman fitoplankton tertinggi terdapat di kawasan PR yaitu 2,075 dan terendah 1,429 di kawasan IB. Indeks keseragaman tertinggi fitoplankton terdapat di kawasan PR yaitu 0,901 dan terendah 0,624 di kawasan BO dan DG. Semetara indeks dominansi fitoplankton tertinggi terdapat di kawasan IB yaitu 0,350 dan terendah 0,138 di kawasan PR. Kelimpahan zooplankton tertinggi terdapat di kawasan DG yaitu 2,0 x 106 Sel/m3 dan terendah 3,3 x 105 Sel/m3 di kawasan IB. Indeks keragaman zooplankton tertinggi terdapat di kawasan TU yaitu 1,981 dan terendah 1,516 di kawasan IB. Indeks keseragaman tertinggi zooplankton terdapat di kawasan IB yaitu 0,942 dan terendah 0,761 di kawasan DG. Semetara indeks dominansi zooplankton tertinggi terdapat di kawasan BO yaitu 0,266 dan terendah 0,167 di kawasan TU. Kesimpulan penelitian ini mengungkapkan jenis plankton yang paling banyak ditemukan adalah Bacillariophyceae. Sementara nilai keragaman menunjukkan karagaman sedang, nilai keseragaman menunjukkan tingkat kesergaman tinggi, dan nilai dominasi menunjukkan dominansi rendah – sedang. Kata kunci: Indeks keragaman; Indeks keseragaman; Indeks dominansi; Kelimpahan; Plankton.
Co-Authors Adnan Sjaltout Wantasen Erwin Wiradita Mamonto Haryani Sambali Henneke Pangkey Joshian Nicolas William Schaduw Mantiri, Desy M. H Muhammad Aris Nego Elvis Bataragoa Ockstan Jurike Kalesaran Rene Charles Kepel, Rene Charles Revol D. Monijung Tamrin Tamrin Tamrin Taufiq Abdullah Wahidin, Nurhalis