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All Journal Jurnal Biologi Tropis
M. Ali Akbar
Universitas Samudra
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Identification of Morphology and Morphometry of Fresh Water Fish Cultivated in Meurandeh Teungoh Village, Langsa City M. Ali Akbar; Khairunnisa; Arini Shinta Zahara; Mardiah; Muliani Tiana Sari; Nurul Adha; Setyoko
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): April-June
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.4629

Abstract

Aquaculture is a fishery activity that produces fish with human intervention to gain profit. Freshwater fish is one of the fishery cultivation commodities that have economic value. Langsa City is one of the cities that has developed freshwater aquaculture. The village in Langsa city that has tried to cultivate freshwater fish is the village of Meurandeh Teungoh. This activity aims to identify the morphology and morphometry of freshwater fish species located in Meurandeh Teungoh Village, Langsa Lama District, Langsa City, Langsa District, Aceh. The methods used in this research are quantitative. Based on the research results, it was found that there were 8 types of freshwater fish consisting of the claridae, pangasidae, anabantidae, cyprinidae, and cichlidae tribes.
The Effect of Fermentation Time on The Organoleptic Test of Kombucha Tea M. Ali Akbar; Khairunnisa Khairunnisa; Mardiah Mardiah; Ekariana S Pandia
Jurnal Biologi Tropis Vol. 23 No. 3 (2023): July - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i3.5096

Abstract

Kombucha is a fermented product of sweet tea solution which is added with kombucha starter and scoby. Kombucha culture is a combination of bacteria and yeast called SCOBY (Symbiotic Culture of Bacteria and Yeast). This activity aims to determine the effect of time on the organoleptic test in making kombucha tea. This study used quantitative methods and data collection techniques by conducting organoleptic tests on respondents, in this study using a completely randomized design (CRD). Organoleptic consisting of taste, aroma and color. The results showed that on average all respondents preferred kombucha tea on the 15th day of fermentation. The organoleptic test conducted on 30 respondents had a preference level with the highest percentage for each parameter consisting of 60% taste, 70% aroma and 70% color. Where the longer the fermentation time, the level of preference of the testers for the organoleptic response increases.
Identification of Stomata Structures in Leaves of The Tradescantia Genus in The Meurandeh Langsa Region M. Ali Akbar; Khairunnisa; Enca Pepayosa; Amanda Lestari; Sahna Maulana Sitakar; Viska Annisa Sabrini; Rauzatul Jannah Mz; Siti Zubaida; Siska Rita Mahyuny
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i1.4657

Abstract

Langsa City is a city located in the province of Nangroe Aceh Darussalam with an area of 262.41 km2 with a population of 165,890 people. Meurandeh Village is one of the villages located in Langsa city, precisely in Langsa Lama. Meurandeh is one of the places that produces plants from the Tradescantia genus. This research aims to identify and differentiate the stomata of three types of plants from the Tradescantia genus. The method used in this research is a qualitative method with observational data collection techniques. The results of this research show that the three types of plants from the Tradescantia genus have three neighboring cells and a tetracytic type of stomata. Of these three types of plants, there are differences in the shape and structure of the stomata.
Co-Authors Amanda Lestari Arini Shinta Zahara Ekariana S Pandia Enca Pepayosa Khairunnisa Khairunnisa Khairunnisa Mardiah Mardiah Mardiah Muliani Tiana Sari Nurul Adha Rauzatul Jannah Mz Sahna Maulana Sitakar Setyoko Setyoko Siska Rita Mahyuny Siti Zubaida Viska Annisa Sabrini