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ISSN: 2540-9581    frecuency : 4   format : Electrónica

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Volume 5 Number 1 Year 2020

11 articles in this issue 

Trianik Widyaningrum,Masreza Parahadi

The petroleum fuel crisis shows that Indonesia's fossil energy reserves are limited. It is necessary to develop an environmentally, friendly and sustainable alternative energy, one of which is bioethanol. This study aims to determine the bioethanol levels... see more

Pags. 1 - 5  

S. Sutomo

Tropical savanna and dry forest in Indonesia are an important type of ecosystem that supports various endemic wildlife of Indonesia including savannas at Padar and Komodo Islands which is home to the Komodo (Varanus komodoensis). The Komodo dragon is cons... see more

Pags. 10 - 15  

Farid Kuswantoro

Bali Botanic Garden (BBG) aspires to conduct conservation and research of eastern Indonesian plant species, including the aquatic plant species. These were important as aquatic plant species could be ecologically threatened, beneficial or even dangerous. ... see more

Pags. 16 - 26  

Abir Dey,Aklima Akther

The study aimed to quantify and discuss the current condition of the tree species composition and natural regeneration of southeast parts of Bangladesh (Cox’s Bazar North Forest Division). A total of 121 stems having dbh =10cm and 3481 stems of regenerati... see more

Pags. 27 - 34  

Donan Satria Yudha,Fidelis Triki Sadewa Aritona,Rury Eprilurahman

There are 42 species of turtles; including sea turtle, freshwater turtle, tortoise, and softshell turtle (Reptilia: Testudines) living in Indonesia today. Turtles have economic values for quite a long time and it has led to illegal trade such as smug... see more

Pags. 35 - 43  

Fajar Nur Sulistyahadi,I Gusti Agung Ayu Ratna Puspitasari,Agus Nuryanto

Rhacophorus margaritifer is an endemic species of arboreal frog in Java. Previous studies found this frog in several locations of Baturraden, namely in primary forest of Ketenger area, along Pancuran Pitu tourism track, and Baturraden Botanical Garden. Th... see more

Pags. 44 - 52  

Lusiana Novia Caturwati,Retno Herrani Setyati

One alternative biofuel to substitute fossil fuels is bioethanol. Microalgae Spirulina sp. contains high carbohydrates, which has 17-25% potential to produce bioethanol. Urea and NaHCO3 can be used as additional nutrients sources of nitrogen and carbon to... see more

Pags. 53 - 58  

Mulyati Mulyati,Aprilia Rahmawati,Slamet Widiyanto

Arthrospira maxima and Chlorella vulgaris contain protein, carbohydrates, antioxidants, omega-3 fatty acids, and many micronutrients. Those compounds have potency of antidiabetic and hypolipidemic activity. This study aimed to evaluate the effect of A. ma... see more

Pags. 59 - 67  

Alfonsus Toribio Eko Saputro,Elika Boscha,Ananto Puradi Nainggolan,Donan Satria Yudha,Rury Eprilurahman

Banyu Nibo Waterfall is located near Nglanggeran, Gunung Kidul that well known for its eco-tourism development. The geographical and ecosystem condition could be providing unique habitat for herpetofauna. Herpetofauna has important role in the ecosystem a... see more

Pags. 6 - 9  

Didik Wahyudi,Lia Hapsari,S. Sundari

This study aimed to detect and evaluate the genetic mutation from mutagenized soybean by RAPD markers. Soybean seeds of “Grobogan” variety were treated with two different concentrations of EMS (0.5% and 1%) and three incubation times (4, 6 and 8 h). DNA w... see more

Pags. 68 - 77