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Purnama, Aji
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Immunology & microbiology

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Analisis Home Industri Tahu Pletok Karangmoncol Kecamatan Randudongkal Kabupaten Pemalang Ainun, Salsabila; Tegar Rastiawan, Agung; Purnama, Aji; Dwi Rahayu, Leksani; Mudzakir, Salsabila
KUBIS Vol 3 No 1 (2023): Mei
Publisher : Program Studi Agribisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56013/kub.v3i1.2967

Abstract

The purpose of this study was to determine the performance, industrial structure, industry players of the Karangmoncol tofu pletok home industry business. Tofu pletok is a typical food from Karangmoncol Village, Kec. Randudongkal, Kab. Malang. Tofu pletok is different from the usual tofu. In addition, this pletok tofu has a different taste from its competitors. The researched pletok tofu has also been established for 30 years. At the beginning of the establishment of this business, 15 kg of soybean raw materials were needed, until now it has reached 2.5 quintals in a day. This research uses descriptive qualitative research. This study uses 1 sample as a resource, namely the owner of this pletok tofu business. Sources of data used are primary data and secondary data. Data collection techniques through observation or direct observation, interviews, and documentation.
STRUKTUR KOMUNITAS MAKROZOOBENTOS SEBAGAI BIOINDIKATOR KUALITAS PERAIRAN ALIRAN SUNGAI RESUN, KABUPATEN LINGGA, KEPULAUAN RIAU Kurnianto, Alief; Purnama, Aji; Dhamanda, Fariz; Al Haddad, Fatmah; Melani, Winny Retna; Zulfikar, Andi; Amelia, Karla; Nugraha, Tito Aria; Anzani, Yunita Magrima; Apriadi, Tri
Biospecies Vol. 19 No. 2 (2026): Juli 2026
Publisher : Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/biospecies.v19i2.48997

Abstract

 The Resun River is located in North Lingga Village, Lingga Regency, Riau Islands. Besides being a tourist attraction, the Resun River is also used by local communities for anthropogenic activities such as bathing and washing. The presence of macrozoobenthos can serve as an indicator in assessing river water quality. This research was conducted from July to September 2023 with the aim of determining the structure of the macrozoobenthos community and water quality status based on the presence of macrozoobenthos in the Resun River, Lingga Regency. Sampling locations were determined using a purposive sampling method, taking into account land use conditions and anthropogenic activities, with three sampling stations. The data analysis used was in the form of macrozoobenthos community structure and Family Biotic Index (FBI). Macrozoobenthos found in the Resun River consisted of 5 families. The predominance of Elmidae at Station 1 and 2 suggests highly oxygenated and relatively undisturbed environmental conditions. Conversely, the increased abundance of Chironomidae at Station 3 indicates greater anthropogenic influence, reflecting spatial variation in disturbance levels within the Resun River ecosystem. Based on the Family Biotic Index analysis, the water quality of the Resun River ranged from excellent to good, with FBI values of 3.34 – 4.57, indicating slight degradation of the aquatic ecosystem. The Resun River generally demonstrated favorable ecological conditions. Nonetheless, anthropogenic pressures observed near Station 3 merit further investigation, as they may contribute to increased inputs of organic pollutants into the aquatic system.
Co-Authors Ainun, Salsabila Al Haddad, Fatmah Amelia, Karla Anzani, Yunita Magrima Dhamanda, Fariz Dwi Rahayu, Leksani Kurnianto, Alief Mudzakir, Salsabila Nugraha, Tito Aria Tegar Rastiawan, Agung Tri Apriadi Winny Retna Melani Zulfikar, Andi