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EFFECT OF SALINITY AND SIZE ON THE ABSORPTION (Uptake)CONTAMINANTS OF METAL Zn IN BLOOD COCKLE Fadel Fadel; Yusni Ikhwan Siregar; Irvina Nurrachmi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

ABSTRACTBlood cockle interact with physical and chemical oceanography factors caused by the tide intensely, so it’s not posible to blood coockle to free from heavy metal pollution. As a organisms, blood cockle are relatively sedentary and filter feeder, so that the presence of pollutants in the marine waters will be absorbed by the biota. Research on the absorption of zinc (Zn) with different salinity level and shell size was conducted in December 2017, it aims to determine the ability of zinc (Zn) absorption in blood cockle based on salinity level and shell size differences. The method used is experimental method using Factorial Randomized Block Design which is designed from 2 factors namely salinity and shell size. The absorption of Zn by blood cockles were higher at 20‰ compared to 25‰ as well as the uptake by 3 cm shells length of the cockles were higher than that by the cockles with 4,5 cm length. Based on the results of this study it can be concluded that the absorption of Zn in blood cockles in influenced by the difference of salinity and shell sizes.Key Words: Blood cockles, Salinity, Size.
Prospek dan Tantangan Implementasi Ecosystem-based Fisheries Management di Pesisir Indonesia Ahmad Nur Fadhli; Syahrial Maulana; Fadel Fadel
Al-Buhuts Vol. 21 No. 2 (2025): Al-Buhuts
Publisher : Institute Agama Islam Negeri (IAIN) Sultan Amai Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30603/ab.v21i2.6888

Abstract

Conventional fisheries management in Indonesia often disregards ecosystem sustainability, leading to problems such as overfishing and environmental degradation in Indonesian waters. In response, this review study aims to analyze the prospects and challenges of implementing the Ecosystem-based Fisheries Management (EBFM) model in Indonesia's coastal ecosystems, based on relevant literature. Through a synthesis of various case studies, this review finds that EBFM has excellent prospects as a solution for achieving sustainable fisheries management. This model has the potential to increase fisheries productivity and contribute positively to the Gross Domestic Product (GDP), while also improving the welfare of fishermen. However, the implementation of EBFM faces significant challenges, including infrastructure limitations such as stagnant fishing ports, a lack of coordination among stakeholders, and the traditional socio-economic characteristics of fishermen. Overall, EBFM is a promising approach, but its success is highly dependent on the readiness and commitment of all parties to overcome these challenges.