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All Journal Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan Safari : Jurnal Pengabdian Masyarakat Indonesia
Churun A’in
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Arts Humanities Languange, Linguistic, Communication & Media Public Health Other

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BIOCONCENTRATION FACTORS OF HEAVY METALS COPPER (CU) AND ZINC (ZN) IN GREEN MUSSELS (Perna viridis) IN THE WATERS OF TAMBAK LOROK SEMARANG Jihan Najla Difa; Max Rudolf Muskananfola; Churun A’in
AQUASAINS Vol 11, No 1 (2022)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v11i1.p%p

Abstract

Tambak Lorok is a coastal area in Semarang. These waters have the potential to be contaminated with heavy metals Copper (Cu) and Zinc (Zn). The study aimed to determine the concentration of Cu and Zn in water, sediment and soft tissues of Perna viridis, knowing the effect of shell size on heavy metal absorption, knowing the bioconcetration factors of heavy metals and knowing the maximum limit of weekly consumption of Perna viridis. The study was conducted in November 2020. Determination of the location of the study using the Purposive sampling method.Concentrations of Cu and Zn in water, sediment and Perna viridis by the Atomic Absorption Spectrophotometer method. The results showed the content of Copper in water ranged from 0.06-0.151mg/l; sediments 26.634-38.433 mg/l and green mussels 4.76-11.00mg/l. Heavy metal Zinc is not detected in water, sediment and green shells one factor is that the tools used are insensitive to low concentrations of metals. Based on the results of statistical tests the difference in shell size has no effect on the absorption of  Cu in soft tissues. Bioaccumulation levels belong to the low-moderate category. The safe limit of consumption of green mussels for weight 40 kg is 15.683 mg/weeks and for weight 60 kg is 23.524 mg/weeks.
Pemberdayaan UMKM melalui Pembinaan Penguatan Branding dan Digitalisasi untuk Mendukung Smart Ecotourism Kelurahan Tugurejo Kota Semarang Milcha Fakhria; Churun A’in; Siti Rudiyanti; Adesty Aura Megarani
SAFARI :Jurnal Pengabdian Masyarakat Indonesia Vol. 5 No. 4 (2025): Oktober : SAFARI :Jurnal Pengabdian Masyarakat Indonesia
Publisher : BADAN PENERBIT STIEPARI PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56910/safari.v5i4.3226

Abstract

Tugurejo Village is located in the Tugu District, Semarang City. The area has abundant natural resources in the fisheries sector and is supported by the surrounding mangrove ecosystem. The availability of these natural resources has encouraged the community to develop food processing through Micro, Small, and Medium Enterprises (UMKM). The challenges faced by UMKMs include a lack of understanding of business legality, underdeveloped product packaging and brand identity, and limited use of digital technology. This community service program aims to enhance the capacity of UMKM actors in Tugurejo Urban Village, Semarang City, in terms of branding and business digitalization to support the development of locally-based coastal smart ecotourism. The approach used in this community service program is Participation Action Research (PAR), where the subjects are UMKM actors. The program was implemented through a series of socialization and technical assistance activities, covering branding education, product packaging, signage, promotional banners, and the development of a shared website: putritirangtugurejo.com.  These activities were able to increase the knowledge and skills of UMKM actors in Tugurejo Village. The results indicate a significant improvement in UMKM actors’ branding awareness, digital media usage, and readiness to compete in the creative economy and sustainable tourism ecosystem. This program demonstrates that collaborative and participatory approaches can effectively drive UMKMs toward becoming more adaptive, professional, and competitive in supporting smart ecotourism.
Co-Authors Adesty Aura Megarani Jihan Najla Difa Max Rudolf Muskananfola Milcha Fakhria Siti Rudiyanti