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All Journal Jurnal Abadimas Adi Buana Stigma : Jurnal Matematika dan Ilmu Pengetahuan Alam Unipa
Karunia Binawati, Diah
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Humanities Economics, Econometrics & Finance Energy Mathematics Public Health Other

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Journal : Stigma : Jurnal Matematika dan Ilmu Pengetahuan Alam Unipa

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Keanekaragaman Dan Indeks Nilai Penting Tumbuhan Mangrove Di Kecamatan Gresik, Kebomas Dan Manyar Kabupaten Gresik Styaningsih, Krisna; Karunia Binawati, Diah
STIGMA: Jurnal Matematika dan Ilmu Pengetahuan Alam Unipa Vol 16 No 2 (2023)
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/stigma.16.2.8288.60-67

Abstract

Abstract Mangroves are a group of plants that live in coastal areas, which are a group of plants consisting of various species, but have similarities in terms of morphological and physiological adaptation to habitats that are influenced by tides (transitional ecosystems between land and waters around river mouths). Gresik is a district that has a mangrove ecosystem and not much research has been done. This study aims to determine the index of diversity value, important value index and environmental factors of mangroves in Gresik, Kebomas and Manyar Districts, Gresik Regency. Data collection at each observation station was 6 plots with a plot size of 10x10 m. The results showed that the Shannon Wiener (H') diversity value index was station 1 (0.62146), station 2 (1.64737) and station 3 (2.22906). The highest significance index for the category of poles and trees was at station 1 (85.11101), station 2 (24.39005) and station 3 (17.22808). The index of significance value for the categories of seedlings and saplings was highest at station 1 (80,80808), station 2 (52,96099) and station 3 (37,68549). Based on the results of the ANOVA test, the thickness of the mud at stations 1, 2 and 3 did not differ significantly so that it had no effect on mangrove diversity. The results of the salinity ANOVA test at stations 1, 2 and 3 differ significantly so that it can affect the diversity of mangroves. The results of the ANOVA test of soil pH at stations 1, 2 and 3 were significantly different so that it could affect the diversity of mangroves. Keywords: Mangrove, diversity index, important value index, environmental factors, Gresik Regency.
Respon Pertumbuhan Tanaman Anggrek Bulan (Phalaenopsis amabilis) Terhadap Perlakuan Media Tanam dan POC Kulit Bawang Merah (Allium cepa) Putri Rahmawati, Andhini; Karunia Binawati, Diah
STIGMA: Jurnal Matematika dan Ilmu Pengetahuan Alam Unipa Vol 17 No 01 (2024)
Publisher : Universitas PGRI Adi Buana Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36456/stigma.17.01.9257.140-152

Abstract

The Kalimas River is a river that crosses industrial, commercial, office and densely populated residential areas in the city of Surabaya. Various activities in the area will produce waste that has the potential to pollute the Kalimas River. The indicator of polluted waters is the abundance of coliform bacteria and faecal coliforms. In some cases, the coliform and faecal coliform bacteria have become resistant to antibiotics which are currently of global concern. This study was conducted to determine the level of contamination of coliform bacteria and faecal coliforms in the Kalimas River and the level of resistance to several antibiotics. This study uses observational quantitative methods with sampling using purposive sampling and grab sampling techniques. River water samples were taken from 3 location points, namely the Kalimas River which crosses Jasa Tirta I Karah, Taman Prestasi and PT. Kasa Husada. Determination of the number and density of coliform and faecal coliform bacteria was carried out using the MPN method and testing of bacterial resistance to antibiotics using the disc diffusion method. Antibiotics used were amoxicillin, tetracycline, chloramphenicol and ciprofloxacin. Data were analyzed using ANOVA level 5% test and LSD and Duncan follow-up test. The results showed that the total bacterial density in all samples from each location in the Kalimas River exceeded the predetermined water body quality standard criteria. The highest average number of coliform and faecal coliform bacteria was found at location P3, namely 1.6 x 105 MPN / 100 ml. These coliform and faecal coliform bacteria have a 100% resistance level to amoxicillin antibiotics and have 100% sensitivity to tetracycline, chloramphenicol, and ciprofloxacin antibiotics. Ciprofloxacin is an antibiotic that shows the highest sensitivity rates. Keywords: Kalimas River, pollution, coliform, faecal coliform , antibiotic resistance
Co-Authors Andriani, Vivin Arif Yachya Ngadiani, Ngadiani Purity Sabila Ajiningrum Putri Rahmawati, Andhini Slamet Wisnu Kusuma, Pungky Styaningsih, Krisna Sukarjati Sukarjati, Sukarjati Sukhtiyah Indah Safitri, Lailatus TATANG SOPANDI