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All Journal Journal of Research and Publication Innovation
Ravic Purba
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Computer Science & IT Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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HUBUNGAN PANJANG BERAT IKAN KEMBUNG LELAKI (RASTRELLIGER KANAGURTA) YANG DIDARATKAN DIPELABUHAN PERIKANAN TANJUNG TIRAM Rumapea, Tresi; Nur Jannah; Hotnila Manurung; Edward Zega; Ravic Purba; Wilman Situmorang; Masni Situmorang
Journal of Research and Publication Innovation Vol 2 No 3 (2024): JULY
Publisher : Journal of Research and Publication Innovation

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Abstract

Mackerel (R. kanagurta) is a type of marine fish that gathers on the surface of the sea in certain seasons, so it is very easy to catch. This research aims to analyze the relationship between length and weight of Mackerel Fish (Rastrelliger Kanagurta) at the Tanjung Tiram fishing port. The fish used in this research were obtained from fishermen operating around the waters of Tanjung Tiram using mini purse sene fishing gear. Fish collection will start from May 2024 and fish analysis will be carried out at the MPSDP Laboratory at HKBP Nommensen University, Pematangsiantar. The results of the research found a relationship between length and weight of fish, showing that the R.Kanagurta regression coefficient value was 0.611, including negative allometric. This means that growth in length is more dominant than weight.
PENINGKATAN PEMAHAMAN WARGA DESA SALBE UNTUK MENJAGA KUALITAS AIR UMBUL SIMARUMBALANG MELALUI KEGIATAN PENYULUHAN KPPM INTEGRATIF Lidia Sriayu S; Ravic Purba; Wilman Situmorang; Ewin Handoco S
Journal of Research and Publication Innovation Vol 3 No 3 (2025): JULY
Publisher : Journal of Research and Publication Innovation

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Abstract

Umbul Simarumbalang is one of the water sources that is a mainstay for the residents of Salbe Village. However, despite its great potential, the community's understanding regarding water quality and how to maintain its cleanliness is still limited. The purpose of this activity is to increase the knowledge and awareness of the people of Salbe Village regarding the importance of maintaining the water quality of Umbul Simarumbalang through educational and integrative outreach/socialization activities. The results obtained for three parameters were an average pH of 7.55, for DO with an average value of 9.9, and for an average temperature of 24.6°C. From the results of water quality measurements in Umbul Simarumbalang, it can be concluded that the quality of the water in Umbul Simarumbalang is very good if consumed directly when the weather is not rainy or has not just rained.
Co-Authors Edward Zega Ewin Handoco S Hotnila Manurung Lidia Sriayu S Masni Situmorang Nur Jannah Rumapea, Tresi Wilman Situmorang