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Type and abundance of phytoperiphyton in the plastic substrate placed in the Bunter Lake, Pangkalan Baru Village,Siak Hulu Sub-districts, Kampar Districts, Riau Province Annisa Amaliah; Madju Siagian; Tengku Dahril
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 7, No 1 (2020): Edisi 1 Januari - Juni 2020
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

AbstractPhytoperiphyton is a microscopic organism that attach on certain substrate. Research aims to determine the type and abundance of phytoperiphyton on plastic substrate has been carried out in June- July 2019 in the Bunter Lake. There were three sampling stations, namely Station 1 (inlet), Station 2 (in the middle of the lake) and Station 3 (in the end of the lake ). The number of substrates in each station were 30 pieces. Sampling were conducted once/week for a 3 weeks period. The phytoperiphyton samples are brushed from the plastic substrate (8x3 cm),  10  plastic substrates/ stations. Water samples were collected from 2 different depth namely in the surface (20 cm) and 2 secchi depth (180 cm). Water quality parameters measured were temperature, transparancy, pH, dissolved oxygen, free carbon dioxide, nitrate and phosphate. Results shown that there were 28 types of phytoperiphyton present and they were belonged to 3 classes, namely  Chlorophyceae (15 species), Bacillariophyceae (10 species), and Cyanophyceae (3 species). The abundance of phytoperiphyton were 8,236- 19,581 cells/cm2. The water quality parameters were as follows: temperature was 29.7-30oC, transparancy was 78.33- 83.67 cm, dissolved oxygen was4.07-6.13 mg/L, pH was 5, free carbon dioxide was 7.32-13.31 mg/L, nitrate was 0.05413-0.10267 mg/L and phosphate was0.02137-0.03983 mg/L. Based on type of phytoperiphyton, trophic state of  Bunter Lake can be categorized as eutrophic.Keywords : Lentic, Sessile Organism, Water Quality, Trophic State,Oxbow Lake
Edukasi Pemberian Senam Otak untuk Mencegah Demensia pada Lansia di Posyandu Kenanga Waru Amalia Prasetyaningtyas; Isnaini Herawati; Annisa Amaliah
ASPIRASI : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat Vol. 3 No. 3 (2025): Mei: ASPIRASI : Publikasi Hasil Pengabdian dan Kegiatan Masyarakat
Publisher : Asosiasi Periset Bahasa Sastra Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61132/aspirasi.v3i3.1666

Abstract

When someone enters old age, symptoms such as senility or difficulty remembering new information often appear. This condition is known as dementia, a syndrome characterized by decreased cognitive function, behavioral changes, memory impairment, disorientation, and difficulty communicating and making decisions. This community service program aims to provide information and understanding about how to handle dementia that can be done at home. Activities are carried out through a counseling method consisting of a pre-test, education, and post-test, using leaflets and questionnaires containing questions to measure the level of understanding of participants. The results of the counseling showed an increase in participant knowledge, as seen from the comparison of the graph between the pre-test and post-test results. Education accompanied by brain gymnastics practices has been shown to have a positive impact on increasing participants' understanding of dementia and how to handle it. It is hoped that this counseling will continue to provide benefits to participants and can be applied in everyday life.