June 2021 – News from Journal World

Quality of Drinking Water in Benin (West Africa): Analysis of the Potential Use of the “Songhaï” Ceramic Filter

Managing Editor June 15, 2021Environment and Earth Science“Filtre Songhai”, Bénin, Drinking water, Porto-Novo Leave a comment

Benin’s public health issues stem from a variety of sources. Domestic water plays an important role in households, but it is contaminated by biological and physicochemical pollutants. Household water purification devices, such as ceramic filters, can be used as a solution. “Filtre Songha” is a ceramic filter that is simple and easy to use and is sold in Benin. The purpose of this research is to examine the use of the “Filtre Songha” in the treatment of domestic water in … Continue reading “Quality of Drinking Water in Benin (West Africa): Analysis of the Potential Use of the “Songhaï” Ceramic Filter”

The Population Dynamics of the Luangwa (Zambia) Common Hippopotamus (Hippopotamus amphibius) during the Period 1952 – 2015

Managing Editor June 15, 2021Environment and Earth Scienceasymptote, carrying capacity, density, Hippo, oscillations, population, stability Leave a comment

The population size of hippopotamus (Hippopotamus amphibius Linnaeus 1758) in Zambia’s Luangwa valley was previously assessed for the period 1976-2008 and repeated 2009-2015, and it was discovered to have reached and maintained a carrying capacity K of 6000 individuals over a 165 km river stretch. The riverbank count method, as used in previous studies, was used in this study, which spanned the years 2009 to 2015. In 1976, a 165-kilometer stretch of land was set aside for intensive population monitoring … Continue reading “The Population Dynamics of the Luangwa (Zambia) Common Hippopotamus (Hippopotamus amphibius) during the Period 1952 – 2015”

Game Ranching: A Proven Sustainable Land Use Option and Economic Incentive for Biodiversity Conservation in Zambia

Managing Editor June 15, 2021Environment and Earth Sciencecarbon emissions, Game ranch, increase, number, province, species Leave a comment

Up until the end of 2012/early 2013, the ten provinces of Zambia were surveyed to determine the number and size of game ranches located in these areas. There are three types of game ranches: 1) 500 hectares as a game ranch proper, 2) 50 – 500 hectares as a game farm, and 3) 50 hectares as an ornamental. For the period 1980-2012, a total of 200 game ranches housing large mammals ranging in size from common duiker to eland were … Continue reading “Game Ranching: A Proven Sustainable Land Use Option and Economic Incentive for Biodiversity Conservation in Zambia”

A Detailed Study: Does the Luangwa Hippo Population Size and Density Distribution Vary between Upper and Lower Study Blocks? What Are the Management Implications of Such Distribution Pattern?

Managing Editor June 15, 2021Environment and Earth ScienceCommon hippopotamus, density, lower blocks, pattern, upper blocks Leave a comment

The distribution of the common hippopotamus was studied along a 165-kilometer stretch of the Luangwa River in eastern Zambia. Population growth and decline cause oscillations that have persisted for the last 40 years (1976-2015). The research area was divided into upper (A-D) and lower (E-H) study blocks. Between 1976 and 2015, population data revealed a significant difference in the pattern of density distribution between upper and lower study blocks. Upper blocks had a higher density of 41/km than lower blocks, … Continue reading “A Detailed Study: Does the Luangwa Hippo Population Size and Density Distribution Vary between Upper and Lower Study Blocks? What Are the Management Implications of Such Distribution Pattern?”

An Advanced Study on the Impact of Varying Degrees of Underground Accidental Explosions on Underground Pipes by Simulation

Managing Editor June 15, 2021Environment and Earth Scienceexplosion, horizontal, pipes, scenarios, Underground, velocity, vertical, wave Leave a comment

The detonation of solid, liquid, or gas explosive materials stored beneath the ground surface causes underground accidental explosions. Underground explosions can occur in both sand and undrained clay, with varying degrees of impact on underground structures. The effects of varying degrees of underground accidental explosions on underground pipes were studied using the ABAQUS numerical code in this study. Pipes buried at various depths below the ground surface in loose sand, dense sand, and undrained clay were modeled. Several researchers’ discoveries … Continue reading “An Advanced Study on the Impact of Varying Degrees of Underground Accidental Explosions on Underground Pipes by Simulation”

Advanced Study on Iron Fertilization with Enhanced Phytoplankton Productivity under Minimal Sulfur Compounds and Grazing Control Analysis in HNLC Region

Managing Editor June 15, 2021Environment and Earth Sciencegrazing control analysis, Iron fertilization, minimal sulphur compounds, phytoplankton, productivity Leave a comment

The current study quantified the importance of HNLC (high-nutrient, low-chlorophyll) regions and their grazing control with improved iron fertilization for climate change. Sulfur compounds (S) such as volcanic ash and hydrogen sulfide (H2S) in batch cultures confirmed the limitation of iron (Fe) for phytoplankton growth in HNLC regions, with a chemical sediment of Fe3S4 showing 4.06 wt percent. Since 1993, iron fertilization technologies have been developed, but they have not been practical in providing sufficient amounts of bioavailable iron due … Continue reading “Advanced Study on Iron Fertilization with Enhanced Phytoplankton Productivity under Minimal Sulfur Compounds and Grazing Control Analysis in HNLC Region”

Effects of Thermo-Mechanical Densification Applied to Veneers of Fast-Growing Species to Produce Value-Added Plywood Panels

Managing Editor June 14, 2021Agricultural Sciencebirch, Black alder, densification, plywood, properties Leave a comment

Plywood and other laminated panels are used in place of solid wood in a variety of applications. Densified wood veneers are of particular interest for the production of such composites. This chapter presents selected properties of densified veneers made of two fast-growing species, as well as a new plywood lay-up veneer structure for producing value-added panels for indoor applications. According to the findings of this study, the densification process improved the surface quality and gloss of the veneers, as well … Continue reading “Effects of Thermo-Mechanical Densification Applied to Veneers of Fast-Growing Species to Produce Value-Added Plywood Panels”

Study on Spatial Variability of Soil Properties in an Agrarian Reform Settlement in Chapadinha, Brazil

Managing Editor June 14, 2021Agricultural ScienceGeostatistics, soil chemical and physical properties, soil management Leave a comment

The variability of soil chemical and physical properties must be studied in order to develop appropriate management practices. Without proper planning, land use results in soil depletion and low crop yield, resulting in a decline in the socioeconomic and technological level of the rural population. The purpose of this research was to assess the spatial variability of soil properties in the Malhada do Meio settlement in order to subsidize soil use planning. The settlement is 630.86 ha in size and … Continue reading “Study on Spatial Variability of Soil Properties in an Agrarian Reform Settlement in Chapadinha, Brazil”

Quality Eco-Composite Boards from Oil Palm AgroWaste of Empty Fruit Bunches

Managing Editor June 14, 2021Agricultural Scienceboards properties, eco-composite boards, Empty fruit bunches, scanning electron microscope, thermogravimetric analysis Leave a comment

The potential application of eco-composite boards made from agro-waste of oil palm empty fruit bunches was investigated. The empty fruit bunches (EFB) of oil palm obtained from a private oil palm plantation. These EFB were refined using a fiber cutter and a particle crusher. During the mixing process, hardeners and wax were added at 1% and 3%, respectively. Boards with densities of 500, 600, and 700 kg/m3 made with resin urea formaldehyde as the bonding agent at 10%, 12%, and … Continue reading “Quality Eco-Composite Boards from Oil Palm AgroWaste of Empty Fruit Bunches”

Effects of Anastrepha striata & Anastrepha ludens on Guava Cultures in Mexico: A Remote Sensing Approach

Managing Editor June 14, 2021Agricultural ScienceAnastrepha striata, guava cultures, plague detection, Remote sensing Leave a comment

For more than two decades, remote sensing techniques have been used to detect the presence of plagues affecting plants and animals. Anastrepha striata and Anastrepha ludens are currently being detected in guava cultures in Mexico by catching the flies in properly placed traps. The goal of this study is to demonstrate that remote sensing can be used to detect locations where flies are present or absent, simplifying the traditional method of detecting these pests. In the field, groups of traps … Continue reading “Effects of Anastrepha striata & Anastrepha ludens on Guava Cultures in Mexico: A Remote Sensing Approach”