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

P. Srikanth; D. Sivakumar; J. Nouri

Articles in Press, Accepted Manuscript, Available Online from 19 August 2023

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

Articles in Press, Accepted Manuscript, Available Online from 24 June 2023

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

Articles in Press, Accepted Manuscript, Available Online from 19 August 2023

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

Articles in Press, Accepted Manuscript, Available Online from 02 September 2023

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
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

Articles in Press, Accepted Manuscript, Available Online from 24 May 2023

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

Articles in Press, Accepted Manuscript, Available Online from 14 June 2023

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

Articles in Press, Accepted Manuscript, Available Online from 10 July 2023

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

Articles in Press, Accepted Manuscript, Available Online from 28 June 2023

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

Articles in Press, Accepted Manuscript, Available Online from 12 September 2023

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

Articles in Press, Accepted Manuscript, Available Online from 23 May 2023

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

Articles in Press, Accepted Manuscript, Available Online from 18 May 2023

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

Articles in Press, Accepted Manuscript, Available Online from 28 June 2023

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

Articles in Press, Accepted Manuscript, Available Online from 01 November 2023

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
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

Environmental Science
The antibacterial and antifungal potential of marine natural ingredients from the symbiont bacteria of mangrove

D. Pringgenies; W. Ari Setyati; F. Feliatra; D. Ariyanto

Volume 9, Issue 4 , October 2023, , Pages 819-832

https://doi.org/10.22034/gjesm.2023.04.11

Abstract
  BACKGROUND AND OBJECTIVES: Mangroves are known to contain tannins, flavonoids, and quinones, which have the potential to be antibacterial, effective even against multidrug-resistant bacteria. Mangroves also have antifungal and antiviral properties. Although, mangroves are known for their use as medicinal ...  Read More

Environmental Science
Prediction models of iron level in beef muscle tissue toward ecological well-being

K. Narozhnykh

Volume 9, Issue 4 , October 2023, , Pages 833-850

https://doi.org/10.22034/gjesm.2023.04.12

Abstract
  BACKGROUND AND OBJECTIVES: Elemental status is associated with the biochemical processes occurring in the body. Beef, consumed worldwide, is an excellent source of iron in terms of quantity and bioavailability, providing up to 18 percent of the daily requirement. The level of iron in muscle tissue affects ...  Read More

Environmental Science
Relationship between chlorophyll-a, sea surface temperature, and sea surface salinity

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

Volume 9, Issue 3 , July 2023, , Pages 389-402

https://doi.org/10.22034/gjesm.2023.03.03

Abstract
  BACKGROUND AND OBJECTIVES: This study aimed to investigate the long-term relationship between chlorophyll-a, sea surface temperature, and sea surface salinity monthly from January 2015 to December 2021. It was carried out in the Northern Bay of Bengal, which experiences extreme monsoons, in the southwest ...  Read More

Environmental Science
Proximate values and elemental analysis in wheat and soybean using inductively coupled plasma mass spectrometry

G. Kowmudi; V. Rashmi; K. Anoop; N. Krishnaveni; S. Naveen

Volume 9, Issue 3 , July 2023, , Pages 531-544

https://doi.org/10.22034/gjesm.2023.03.11

Abstract
  BACKGROUND AND OBJECTIVES: Determining food composition and bioactivity is critical to both theoretical and applied research in food science and technology. This is frequently used to determine the nutritional value and overall acceptance of the food by consumers. The current study's goal is to determine ...  Read More

Environmental Science
Sediment organic carbon stocks in tropical lakes and its implication for sustainable lake management

T.R. Soeprobowti; N.D. Takarina; P.S. Komala; L. Subehi; M. Wojewódka-Przybył; J. Jumari; R. Nastuti

Volume 9, Issue 2 , April 2023, , Pages 173-192

Abstract
  BACKGROUND AND OBJECTIVES: The lakeside has an enormous sediment carbon storage potential; however, it is susceptible to various environmental changes and can easily become a source of carbon emissions. Understanding the amount of carbon storage in lakeside sediments and organic matter sources may provide ...  Read More

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
Macroinvertebrates composition as determinants of larval abundance in the dragonfly Miathyria marcella in tropical wetlands

M.I. Moreno Pallares; M.A. Bonilla Gómez; G.H. Guillot Monroy; A.C. Torregroza-Espinosa

Volume 9, Issue 1 , January 2023, , Pages 129-140

https://doi.org/10.22034/gjesm.2023.01.10

Abstract
  BACKGROUND AND OBJECTIVES: Odonate larvae play an important role in macroinvertebrate trophic networks and are excellent proxies for wetland quality. However, despite their ecological importance, research on odonates and how they interact with their environment is scarce. This study aims to assess macroinvertebrate ...  Read More

Environmental Science
Rice suitability mapping using the analytic hierarchy process approach in a river catchment

N. Robertson; B. Oinam

Volume 9, Issue 1 , January 2023, , Pages 141-156

https://doi.org/10.22034/GJESM.2023.01.11

Abstract
  BACKGROUND AND OBJECTIVES: Land suitability analysis is a technique of attaining optimum utilization of natural available land resource. This study is the first attempt to map the potential rice suitability zone besides the existing rice cultivation zone in Imphal-Iril River catchment. The overriding ...  Read More

Environmental Science
Boron adsorption in semiarid Mediterranean soils under the influence of background electrolytes

S. Fatnassi; M.B. Almendro Candel; J. Navarro Pedreño; I. Gómez Lucas; M. Hachicha

Volume 8, Issue 4 , October 2022, , Pages 519-532

https://doi.org/10.22034/GJESM.2022.04.05

Abstract
  BACKGROUND AND OBJECTIVES: Boron is a micronutrient of high importance, both for plant development and normal growth. The range between boron deficiency and toxicity is very narrow, which makes boron unique among the essential micronutrients. Boron adsorption is one of the most important factors determining ...  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