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THE EFFECTS OF STOCKING DENSITY ON THE GROWTH AND SURVIVAL RATE OF Ompok hypophthalmus REARED IN FISH CAGES Mulyadi, Mulyadi; Abraham S, Marthin; Hasibuan, Nuraini
Jurnal Perikanan dan Kelautan Vol 16, No 01 (2011)
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jpk.16.01.%p

Abstract

The research was conducted from April to June 2010, in the research pondsof the Fisheries and Marine Science Faculty, Riau University. The objectives ofthis research were to find out the effects of different stocking density on thegrowth and survival rate of the fish reared in cages. Fishes used in this study were9.5 to 10 cm in total length. There were 4 treatments applied, namely 130, 170,210, and 250 fish/m3 and 3 replications applied in each treatment. The fish mealused in this research was commercial pellets, ad libitum, and four times/ day.Results of ANAVA shown that different stocking density did not affect thegrowth and survival rate of the fish. The best stocking density was 170 fish/m3 asit is indicated by high daily growth rate (2.29% of BW), high FCR (44.11%) andhigh survival rate (100%). Water quality parameters during the research weregood, temperature 27-330C, DO 3.6-6.8 ppm, pH 5-6 and ammonia (NH3) 0.030-0.075 ppm.
Analysis of Student Organization Management Conflict:Case Study of the Appointment of Acting Regional Administrators of KAMMI Medan and Deli Serdang Andriarta, Thio; Azim, Fauzan; Hasibuan, Mhd Ali; Ramadhan, Bayu; Azura, Nazua; Hasibuan, Nuraini
Islamic Journal of Communication and Public Discourse Vol. 3 No. 1 (2026): Islamic Journal of Communication and Public Discourse
Publisher : Sekolah Tinggi Agama Islam Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59784/ntc06g71

Abstract

Background: Internal conflict is an inseparable phenomenon from organizational dynamics, including student organizations that have complex structures, ideologies, and leadership mechanisms. The conflict within the Indonesian Kesatuan Aksi Mahasiswa Muslim Indonesia (KAMMI) at the Medan and Deli Serdang Regional Board levels reflects tensions between structural legitimacy and personal interests, triggered by indications of violations of the organization's khittah (basic principles) and the emergence of dual loyalty among administrators. Objective: This article aims to analyze the leadership conflict within KAMMI Medan and Deli Serdang, particularly focusing on the appointment of an Acting Leader (Plt.) by the Central Board as a form of structural conflict management. Method: This research employs a literature study method with a qualitative-descriptive approach. Findings and Implications: The findings indicate that unmanaged conflict has the potential to cause organizational dysfunction, reduce cadre trust, and hinder the cadre development process. The appointment of an Acting Leader by the Central Board represents a structural conflict management strategy aimed at maintaining organizational stability and restoring the legitimacy of regional management. This study contributes academically to the literature on student organizational conflict and offers practical insights for managing internal organizational conflicts based on values and formal rules. Conclusion: Structural intervention through the appointment of an Acting Leader serves as an effective mechanism for conflict resolution in student organizations, although its long-term success depends on the ability to rebuild trust and consolidate organizational vision. Strengthening communication mechanisms and internalizing organizational values are essential for preventing similar conflicts in the future.