Environmental Science
Bioprocessing of organic wastes from poultry and bovine slaughterhouses as food substrate for Hermetia illucens larval development

A.P. Luperdi; S.S. Flores-Calla; X.J. Barriga; V. Rivera; I. Salazar; P.L. Manrique; J.E. Reátegui

Volume 9, Issue 1 , January 2023, , Pages 31-42

https://doi.org/10.22034/gjesm.2023.01.03

Abstract
  BACKGROUND AND OBJECTIVES: In the meat industry, inefficient management of organic waste exists, therefore the study aims to evaluate different bovine and poultry organic residues as food substrates during larval development of the black soldier fly, such as a sustainable alternative to obtain high protein ...  Read More

Environmental Science
Microalgae diversity in several different sub-habitats

S. Arsad; Y.W. Mulasari; N.Y. Sari; E.D. Lusiana; Y. Risjani; M. Musa; M. Mahmudi; F.S. Prasetiya; L.A. Sari

Volume 8, Issue 4 , October 2022, , Pages 561-574

https://doi.org/10.22034/GJESM.2022.04.08

Abstract
  BACKGROUND AND OBJECTIVES: Biodiversity is the variety of life that exists on Earth, including all the organisms, species, and populations that come together in a complex manner to form communities and ecosystems. This study aimed to assess the diversity of microalgae in several different sub-habitats ...  Read More

Environmental Science
Agricultural waste management generated by agro-based industries using biotechnology tools

D. Sivakumar; P. Srikanth; P. W. Ramteke; J. Nouri

Volume 8, Issue 2 , April 2022, , Pages 281-296

https://doi.org/10.22034/GJESM.2022.02.10

Abstract
  The amount of agricultural waste generated by agro-based industries such as palm oil, rubber, and wood processing plants have more than tripled. Selangor, Perak, and Johor account for 65.7 percent of the total number of recognised pollution sources in the manufacturing and agro-based sectors. Livestock ...  Read More

Environmental Science
Bio-oil production by pyrolysis of Azolla filiculoides and Ulva fasciata macroalgae

S. Pourkarimi; A. Hallajisani; A. Alizadehdakhel; A. Nouralishahi

Volume 7, Issue 3 , July 2021, , Pages 331-346

https://doi.org/10.22034/GJESM.2021.03.02

Abstract
  BACKGROUND AND OBJECTIVES: In this study, the characteristics of bio-oil samples produced through slow pyrolysis of two different macroalgae, i.e. Azolla ‎filiculoides and Ulva fasciata, at optimized conditions were determined and compared.METHODS: For this purpose, the effects of temperature (300-500 ...  Read More

Environmental Science
Biodiversity and integration of ecological characteristics of species in spatial pattern analysis

Z. Mohebi; H. Mirzaei

Volume 7, Issue 3 , July 2021, , Pages 473-484

https://doi.org/10.22034/GJESM.2021.03.10

Abstract
  BACKGROUND AND OBJECTIVES: Assessment of biodiversity is a key factor in understanding of function and ecosystem management. Nevertheless, an operating procedure for assessing biodiversity and spatial pattern has not been established yet. Therefore, this empirical study was conducted to explore the role ...  Read More

Environmental Science
The effects of glucose, nitrate, and pH on cultivation of Chlorella sp. Microalgae

H. Nouri; J. Mohammadi Roushandeh; A. Hallajisani; A. Golzary; S. Daliry

Volume 7, Issue 1 , January 2021, , Pages 103-116

https://doi.org/10.22034/gjesm.2021.01.08

Abstract
  BACKGROUND AND OBJECTIVES: Bioenergy is a phenomenon that has attracted humans’ attention for about a century. The desirable biological properties of chlorella sp.microalgae have turned it to one of the most ideal options for the production of biodiesel. However, the economic issues must be taken ...  Read More