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All Journal Maspari Journal BIOVALENTIA: Biological Research Journal
Siti Masreah Bernas
Program Studi Pengelolaan Lingkungan Program Pascasarjana, Universitas Sriwijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology

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HUBUNGAN PANJANG-BERAT DAN POLA PERTUMBUHAN IKAN DI MUARA SUNGAI MUSI KABUPATEN BANYUASIN SUMATERA SELATAN ., Nurhayati; ., Fauziyah; Bernas, Siti Masreah
Maspari Journal : Marine Science Research Vol 8, No 2 (2016): Edisi Juli
Publisher : UNIVERSITAS SRIWIJAYA

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (616.287 KB) | DOI: 10.36706/maspari.v8i2.3487

Abstract

Muara  Sungai  Musi  Kabupaten  Banyuasin  Sumatera  Selatan  berperan sebagai daerah penangkapan  ikan,  pemukiman  penduduk,  dan  sarana transportasi. Seiring  perjalanan waktu,  aktivitas  ini  menjadi  tekanan  pada keberlangsungan organisme  perairan, khususnya ikan. penelitian ini bertujuan untuk mengidentifikasi  hubungan panjang berat dan  pola  pertumbuhan  ikan. Hasil penelitian  menunjukkan  bahwa  dari  624  individu  26 spesies 18 famili ikan diperoleh nilai-nilai koefisien korelasi (R2) berkisar 0,405-0,997. Hal ini menunjukkan  bahwa  pertambahan  berat  sekitar  41%-100%  dapat dijelaskan oleh besarnya  pertambahan  panjang  melalui  hubungan  regresi. Pola pertumbuhan  ikan sebanyak  7,7%  bersifat  isometrik,  53,8%  bersifat allometrik  positif,  dan  38,5%  bersifat allometrik  negatif.  Mayoritas pertambahan  berat  lebih  cepat  daripada  pertambahan panjang.KATA KUNCI: Muara sungai, panjang-berat ikan.
EFFECT OF WATER CONTENT AND SOIL IMPROVEMENT (HYDROGEL) ON PEAT FIRE SUPPRESSION Muizzaddin, Muizzaddin; Bernas, Siti Masreah; Sarno, Sarno
BIOVALENTIA: Biological Research Journal Vol. 7 No. 1 (2021)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1110.316 KB) | DOI: 10.24233/biov.7.1.2021.215

Abstract

Forest and land fires are Indonesia's biggest problem which has continued from 2014 to the present. The number of activities to find the best solution in fire is something that has been done until now. Various methods, both preventive and repressive, have been implemented to prevent forest and land fires from occurring. This research aims to be a sureextinguishing gel, namely hydrogel, which can be used in efforts to extinguish forest and land fires. Extinguishing forest and land fires using hydrogel is a new method that is expected to prevent forest and land fire zones from spreading. This research shows that the tendency of decreasing the average water content of peat due to the drying process based on different intervals of oven time, namely the lowest yield ranged from 61.25% to the highest with a water content of 109.57%.
THE APPLICATION OF DRY RUBBER LATEX AND VERMICOMPOST TO PLANT WATER CONSUMPTION AND THE GROWTH OF PADDY ON SWAMPY LAND Irmawati, Widya; Bernas, Siti Masreah; Bakri , Bakri
BIOVALENTIA: Biological Research Journal Vol. 7 No. 2 (2021)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (522.089 KB) | DOI: 10.24233/biov.7.2.2021.223

Abstract

Swampy land is an alternative for rice plant cultivation where the amount of rainfall has an impact on the amount of inundation. In order to provide appropriate water for rice plants, especially during the dry season, an irrigation water system is required for its control.Alternative materials such as dry rubber latex and vermicom-post can be utilized to reduce water use and ensure that water is delivered as efficiently as possible. The goal of this study was to see how dried rubber latex on the soil surface and vermicompost in the soil affected rice plant water demand and growth. This research was conducted from November 2020 – February 2021. The study used a factorial randomized block design (RAKF) with 2 treatments, covered dry rubber latex variations (K), K0 (0%), K1 (25%), K2 (50%), K3 (75%), and vermicompos (V), V0(0 g), V1(58.82 g), V2(117.64 g), V3 (176.46 g)with 3 rep-licat. So that the total treatmentsare 48 treatments.The results showed that the application of dry rubber latex and vermicompost significantly affected the number of leaves and the number of tillers. The K3 treatment (75%) was the best because it had the smallest evapotranspiration rate with an average of 1.2 mm day-1. The K3 treatment (75%) had the smallest average water requirement of 1.6 mm day-1 with an average number of 37.07 leaves. The high yield of K3 treatment was due to the wider the area covered by 75% (K3), the higher the water content, nutrients, and the lower the soil temperature. Closure using dry rubber latex can reduce sunlight so that the process of water loss is lower, and the available nutrients are higher.
Co-Authors Armanto, M Edi Bakri , Bakri Fauziyah Heri Junedi Irmawati, Widya Momon Sodik Imanuddin Muizzaddin, Muizzaddin Nurhayati . Sarno Sarno