Environmental Science
Patterns and wavelet coherence analysis of tidal dynamics and chlorophyll a concentration

M.N. Hidayat; R. Wafdan; M. Ramli; Z.A. Muchlisin; S. Rizal

Articles in Press, Accepted Manuscript, Available Online from 29 January 2024

https://doi.org/10.22034/gjesm.2024.03.03*

Abstract
  BACKGROUND AND OBJECTIVES: Understanding the correlation between tidal rhythms and marine organism behavior is crucial. This extends beyond fluctuations in chlorophyll a concentrations and includes various biological processes in the marine environment. Awareness is key for a comprehensive perspective ...  Read More

Environmental Science
Human hair biochar to remove malachite green dye and bisphenol-A contamination

M. Kamaraj; P. Kamali; R. Kaviya; K. Abishek; B. Navinkumar; T.G. Nithya; L.S. Wong; J. Aravind

Articles in Press, Accepted Manuscript, Available Online from 31 January 2024

https://doi.org/10.22034/gjesm.2024.03.04*

Abstract
  BACKGROUND AND OBJECTIVES: Exposure to endocrine-disrupting chemicals and organic dye pollution is associated with an increased risk of toxicity, hazard, and cancer due to their widespread use. Exogenous endocrine disruptors are responsible for interfering with reproduction and development because they ...  Read More

Environmental Science
Optimised extraction of antioxidant components from Calophyllum inophyllum L. seeds using response surface methodology

L. Fitriyana; M.D. Supardan; Y. Aisyah; Irfan .

Articles in Press, Accepted Manuscript, Available Online from 14 February 2024

https://doi.org/10.22034/gjesm.2024.03.08*

Abstract
  BACKGROUND AND OBJECTIVES: Calophyllum inophyllum (C. inophyllum), or Nyamplung, seeds contain various active compounds. Using C. inophyllum seeds as a source of flavonoids for natural antioxidants can increase their economic value and provide alternative compounds for cosmetics, including lotions. This ...  Read More

Environmental Science
Physicochemical characterization of biodegradable polymer polyhydroxybutyrate from halophilic bacterium local strain Halomonas elongata

W.O.S. Rizki; E. Ratnaningsih; D.G.T. Andini; S. Komariah; A.T. Simbara; R. Hertadi

Articles in Press, Accepted Manuscript, Available Online from 13 February 2024

https://doi.org/10.22034/gjesm.2024.03.10*

Abstract
  BACKGROUND AND OBJECTIVES: Petroleum-based plastics produce tremendous amounts of plastic waste every year, which contributes to environmental problems. Biological polymers, such as polyhydroxybutyrate, have caught attention as an ecofriendly substitute to petroleum-based plastics. The present study ...  Read More

Environmental Science
Marine sponge symbiotic bacterial bioremediation against heavy metal pollutants in tiger prawns; Penaeus monodon culture medium

I. Marzuki; I. Pratama; R. Asaf; A. Athirah; K. Nisaa; N. Nurbaya; M. Muslimin; N. Nurhidayah; S. Suwardi; A. Sahrijanna; K. Kamaruddin

Articles in Press, Accepted Manuscript, Available Online from 18 February 2024

https://doi.org/10.22034/gjesm.2024.03.26*

Abstract
  BACKGROUND AND OBJECTIVES: The quality and production volume of the cultivation of tiger prawn Penaeus monodon have decreased considerably in the last two decades. However, intensification and extensification efforts, including the application of cultivation technology through pond land recovery, have ...  Read More

Environmental Science
Fermented palm kernel waste with different sugars as substrate for black soldier fly larvae

R.A. Nugroho; R. Aryani; E.H. Hardi; H. Manurung; R. Rudianto; W.N. Jati

Volume 10, Issue 2 , April 2024, , Pages 503-516

https://doi.org/10.22034/gjesm.2024.02.06

Abstract
  BACKGROUND AND OBJECTIVES: The palm industry generates several waste products. Some of this waste, such as palm kernel meal, has not been fully optimized for processing. Therefore, this study sought to determine whether fermented palm kernel meal with various types of sugar (fructose, glucose, maltose, ...  Read More

Environmental Science
Bacterial reduction in river water using nanocellulose membrane from pineapple biomass with ferrous-ferric oxide reinforcement

D. Syukri; H. Suryanto; F. Kurniawan; P.D. Hari; R.M. Fiana; . Rini

Volume 10, Issue 2 , April 2024, , Pages 643-656

https://doi.org/10.22034/gjesm.2024.02.14

Abstract
  BACKGROUND AND OBJECTIVES: Constructing a nanocellulose membrane from biomass waste can lessen harmful environmental effects owing to its ability to absorb chemical and microbiological impurities. Therefore, nanocellulose membranes with magnetic properties were developed as a powerful apparatus for reducing ...  Read More

Environmental Science
Decarbonizing gas emissions from petrochemical production using microalgae

F. Shevlyakov; A.B. Laptev; O.R. Latypov; D.R. Latypova

Volume 10, Issue 2 , April 2024, , Pages 733-742

https://doi.org/10.22034/gjesm.2024.02.19

Abstract
  BACKGROUND AND OBJECTIVES: Greenhouse gas emissions are the primary cause of global warming. Under the Paris Agreement, all countries have developed programs to reduce anthropogenic impact on the environment. In the petrochemical industry, for example, isoprene, is a major contributor to the production ...  Read More

Environmental Science
Sustainability status of amphidromous nike fish, postlarva Gobioidei, in estuarine water

F.M. Sahami; S.N. Hamzah; A.H. Tome; S.A. Habibie; M.R.U. Puluhulawa

Volume 10, Issue 2 , April 2024, , Pages 773-790

https://doi.org/10.22034/gjesm.2024.02.22

Abstract
  BACKGROUND AND OBJECTIVES: Nike fish are a postlarvae group of gobies found in the Gobiidae and Eleotridae families. These fish are a seasonal delicacy in Gorontalo, with significant economic value and popularity among the community. Data from 2020 to 2021 showed a downward trend in Nike fish production ...  Read More

Environmental Science
Enhancing coastal community participation in mangrove rehabilitation through structural equation modeling

I. Listiana; D. Ariyanto

Volume 10, Issue 2 , April 2024, , Pages 873-890

https://doi.org/10.22034/gjesm.2024.02.28

Abstract
  BACKGROUND AND OBJECTIVES: Mangroves are unique plants distributed in tropical regions, such as Indonesia. Mangrove areas and various mangrove ecosystems have been lost in the past decades. The purpose of this study is to investigate community participation using structural equations modeling to enhance ...  Read More

Environmental Science
Silver-based plasmonic nanoparticles for biosensor organophosphate pesticides using a single film containing acetylcholinesterase/choline oxidase

D. Hermanto; N. Ismillayli; H. Muliasari; R. Wirawan; S.R. Kamali

Volume 10, Issue 1 , January 2024, , Pages 39-50

https://doi.org/10.22034/gjesm.2024.01.04

Abstract
  BACKGROUND AND OBJECTIVES: To address the potential harm caused by the intensive use of pesticides in pest control in agriculture, there is a need for accurate and efficient methods to detect and monitor pesticide residues. Therefore, this study aimed to develop a biosensor that can detect organophosphate ...  Read More

Environmental Science
Analyzing cellulolytic bacteria diversity in mangrove ecosystem soil using 16 svedberg ribosomal ribonucleic acid gene

I. Dewiyanti; D. Darmawi; Z.A. Muchlisin; T.Z. Helmi

Volume 10, Issue 1 , January 2024, , Pages 51-68

https://doi.org/10.22034/gjesm.2024.01.05

Abstract
  BACKGROUND AND OBJECTIVES: Soil is an essential abiotic component serving as a habitat for numerous organisms, including cellulolytic bacteria commonly found in mangrove ecosystems. This bacteria could produce active enzymes needed to improve environmental quality by accelerating the organic matter decomposition. ...  Read More

Environmental Science
Exploring the upper ocean characteristics of a bay using coastal and regional ocean community model

D. Jaishree; P.T. Ravichandran

Volume 10, Issue 1 , January 2024, , Pages 97-116

https://doi.org/10.22034/gjesm.2024.01.08

Abstract
  BACKGROUND AND OBJECTIVES: The innovativeness of this study lies in achieving a comprehensive understanding of the seasonal variations and oceanic characteristics of the Bay of Bengal by addressing the complex interplay of large-scale ocean-atmosphere dynamics. The study aimed to understand the upper ...  Read More

Environmental Science
Impact of environmental and geographical position on the chemometric classification of ethanol extracts from Isotoma longiflora leaves

E. Imelda; K. Khairan; R.R. Lubis; T. Karma; R. Idroes

Volume 10, Issue 1 , January 2024, , Pages 155-168

https://doi.org/10.22034/gjesm.2024.01.11

Abstract
  BACKGROUND AND OBJECTIVES: Isotoma longiflora L is commonly used as a medicinal plant by the local community in Indonesia, and its geographical position determines its bioactive compounds and hence its efficacy. Ethanol extracts of Isotoma longiflora leaves from various locations in Aceh Province were ...  Read More

Environmental Science
Evaluation of mineral and near-infrared forecasting of wheat yield varieties using spectrophotometric techniques

H.A. Pardhe; N. Krishnaveni; B.K. Chekraverthy; S. Patel; S. Naveen; V. Rashmi; P.C. Govinden

Volume 10, Issue 1 , January 2024, , Pages 189-204

https://doi.org/10.22034/gjesm.2024.01.13

Abstract
  BACKGROUND AND OBJECTIVE: Iron, an essential micronutrient, significantly contributes to growth, immune health, and cognitive development in human health. Inadequate dietary iron intake leads to iron deficiency anemia, affecting nearly 1.6 billion people, especially pregnant women and preschool children. ...  Read More

Environmental Science
Modeling regional aboveground carbon stock dynamics affected by land use and land cover changes

A.D. Malik; M.C.W. Arief; S. Withaningsih; P. Parikesit

Volume 10, Issue 1 , January 2024, , Pages 245-266

https://doi.org/10.22034/gjesm.2024.01.16

Abstract
  BACKGROUND AND OBJECTIVES: Land use and land cover changes are affected by massive construction, urban expansion, and exploitative agricultural management. These pressures threaten the potential of aboveground carbon storage in Rancakalong District, West Java, Indonesia. In that massive construction ...  Read More

Environmental Science
Root growth and arbuscular mycorrhizal fungi on woody plants for vegetative stabilization of tropical slopes

I.G. Tejakusuma; E.H. Sittadewi; T. Handayani; T. Hernaningsih; W. Wisyanto; A. Rifai

Volume 10, Issue 1 , January 2024, , Pages 267-286

https://doi.org/10.22034/gjesm.2024.01.17

Abstract
  BACKGROUND AND OBJECTIVES: Plant growth is improved by arbuscular mycorrhizal fungi, although they have not been researched for slope stability. These fungal inoculations and bamboo interventions may promote root development toward the slip plane. Thstudy looks at how tree roots react to planting ...  Read More

Environmental Science
Role of Cylindrospermopsis sp. in vertical nitrogen changes observed in tropical oxidation wastewater treatment ponds

M. Srichomphu; O. Phewnil; T. Pattamapitoon; Ratcha Chaichana; K. Chunkao; W. Wararam; N. Dampin; P. Maskulrath

Volume 10, Issue 1 , January 2024, , Pages 287-300

https://doi.org/10.22034/gjesm.2024.01.18

Abstract
  BACKGROUND AND OBJECTIVES: As a producer within the ecological food chain, phytoplankton provides the base energy and oxygen to the environment through photosynthesis and higher tropic levels. These benefits can be applied in five consecutive nature-by-nature oxidation ponds for the treatment of community ...  Read More

Environmental Science
Cocoa farmers' characteristics on climate variability and its effects on climate change adaptation strategy

I. Idawati; N.A. Sasongko; A.D. Santoso; M. Septiani; T. Handayani; A.Y.N. Sakti; B.D. Purnamasari

Volume 10, Issue 1 , January 2024, , Pages 337-354

https://doi.org/10.22034/gjesm.2024.01.21

Abstract
  BACKGROUND AND OBJECTIVES: Climate change has a greater influence on agriculture through local climate variability than global climate patterns. The impact of climate change on agricultural productivity and shifts in crop patterns varies significantly across regions. Its impact is closely tied to the ...  Read More

Environmental Science
Environmental microbial communications in gram-positive and gram-negative bacteria

P. Srikanth; D. Sivakumar; J. Nouri

Volume 9, Special Issue (Eco-Friendly Sustainable Management) , November 2023, , Pages 1-20

https://doi.org/10.22034/GJESM.2023.09.SI.01

Abstract
  Microorganisms are present in nature and shape an enormous a half of our micro- and macro-environment. Quorum sensing is the process of intercellular conversation that enables microbes to perceive their surroundings and change their behaviour, allowing them to remain like cellular organisms. Both Gram-positive ...  Read More

Environmental Science
Using benthos a bioindicator to assess the efficiency constructed wetland community wastewater treatment system

K. Seethong; K. Chunkao; N. Dampin; W. Wararam

Volume 9, Special Issue (Eco-Friendly Sustainable Management) , November 2023, , Pages 47-60

https://doi.org/10.22034/GJESM.2023.09.SI.04

Abstract
  BACKGROUND AND OBJECTIVES: The increasing population and urban growth have led to a higher demand for water in various sectors, resulting in a significant amount of wastewater. Constructed wetlands mimic natural wetlands, using the interaction between plants, soil, and microorganisms to treat wastewater ...  Read More

Environmental Science
Carbon dioxide net assimilation exchange in a young pecan nut orchard during the growth cycle

A. Zermeño-Gonzalez; E.A. Jimenez-Alcala; J.A. Gil-Marin; H. Ramirez-Rodriguez; M. Cadena-Zapata; A.I. Melendres-Alvarez

Volume 9, Special Issue (Eco-Friendly Sustainable Management) , November 2023, , Pages 77-88

https://doi.org/10.22034/GJESM.2023.09.SI.06

Abstract
  BACKGROUND AND OBJECTIVES: Pecan nut trees (Carya illinoensis K), due to their condition as woody and long-living species, in addition to the contribution of nuts for consumption, may also have an essential role in assimilating carbon dioxide and sequestering atmospheric carbon. This study aimed to determine ...  Read More

Environmental Science
Biological control of bacterial wilt in pathumma; Curcuma alismatifolia

S. Promsai; Y. Tragoolpua; N. Thongwai

Volume 9, Special Issue (Eco-Friendly Sustainable Management) , November 2023, , Pages 127-144

https://doi.org/10.22034/GJESM.2023.09.SI.09

Abstract
  BACKGROUND AND OBJECTIVES: In Thailand, bacterial wilt is one of the most severe diseases that affects pathumma, also known as Curcuma alismatifolia Gagnep. Biological control was proposed to control this disease with antagonistic bacteria. The current study was conducted to screen for antagonistic microorganisms ...  Read More

Environmental Science
Relationship between bacteria and nitrogen dynamics in wastewater treatment oxidation ponds

S. Saneha; T. Pattamapitoon; S. Bualert; O. Phewnil; W. Wararam; N. Semvimol; K. Chunkao; C. Tudsanaton; M. Srichomphu; U. Nachaiboon; O. Wongsrikaew; P. Wichittrakarn; C. Chanthasoon

Volume 9, Issue 4 , October 2023, , Pages 707-718

https://doi.org/10.22034/gjesm.2023.04.04

Abstract
  BACKGROUND AND OBJECTIVES: The bacterial community plays a crucial role in the nitrogen cycle. Oxidation ponds act as a natural treatment system for wastewater and are designed to promote the growth and activity of certain bacterial species that remove contaminants from the water. The nitrogen cycle ...  Read More

Environmental Science
Exploring the dynamics of seasonal surface features using coastal and regional ocean community model

D. Jaishree; P.T. Ravichandran; D.V. Thattai

Volume 9, Issue 4 , October 2023, , Pages 741-752

https://doi.org/10.22034/gjesm.2023.04.06

Abstract
  BACKGROUND AND OBJECTIVES: Studying the monthly variations in the surface features of the Bay of Bengal is a complex task that involves numerous large-scale ocean-atmosphere dynamics. This study identified the bay’s changing circulation patterns over recent decades as a crucial study area requiring ...  Read More