Volume 13, Issue 1 (2017) | American Journal of Environmental Sciences

Web-Based Emergency Management Information System for Landslides Occurrences

Jordan H. Souza — 2017-01-11

American Journal of Environmental Sciences, Published online: 11 January 2017; doi:10.3844/ajessp.2017.1.10

Landslides cause significant human and environmental damage, as well as unpredictable damage to structures and buildings. This paper presents the development and application of a web-based system for ...

Mercury Contamination within Protected Areas in the Brazilian Northern Amazon-Amapá State

Rossana Venturieri — 2017-01-17

American Journal of Environmental Sciences, Published online: 17 January 2017; doi:10.3844/ajessp.2017.11.21

Mercury contamination is a long-standing environmental and social problem, notably in the Amazon. The widespread use of mercury in artisanal and small-scale gold mining has driven contamination of the...

An Investigation of Tradeoffs in Herbicide Resistant Brassica rapa: Effects on Pollen and Ovule Production, Biomass and Development

Robin Bingham — 2017-01-20

American Journal of Environmental Sciences, Published online: 20 January 2017; doi:10.3844/ajessp.2017.22.29

For decades, herbicides have been used to control weeds and increase crop yields, a practice resulting in a growing number of weeds that are herbicide resistant. Like the problem of antibiotic resista...

Effect of Diurnal Variation of Dissolved Oxygen in a Eutrophic Polymictic Reservoir

Anusha Balangoda — 2017-01-24

American Journal of Environmental Sciences, Published online: 24 January 2017; doi:10.3844/ajessp.2017.30.46

To evaluate the diurnal and seasonal Dissolved Oxygen (DO) variations and their effects on water quality, a comprehensive study was conducted in a eutrophic polymictic reservoir under artificially aer...

Nitrifying, Denitrifying and Heterotrophic Biomass Present in Moving Bed-Reactor

Andreliza Carolina Del Grossi Oliveira — 2017-01-25

American Journal of Environmental Sciences, Published online: 25 January 2017; doi:10.3844/ajessp.2017.47.57

This study was carried out to evaluate the main bacterial communities related to the removal of nitrogen in a moving bed-reactor treating landfill leachate, relating the physico-chemical parameters wi...

Sargassum Invasion of Coastal Environments: A Growing Concern

Clifford Louime — 2017-02-06

American Journal of Environmental Sciences, Published online: 6 February 2017; doi:10.3844/ajessp.2017.58.64

Floating tropical brown macroalgae, commonly called Sargassum, besieging the Caribbean coastlines have long been a regular occurrence in the region, especially during the fall and winter months. These...

Contamination Risk Evaluation of Groundwater in the Canton of Portoviejo-Ecuador, using Susceptibility Index and two Intrinsic Vulnerability Models

Suhail Sharadqah — 2017-02-11

American Journal of Environmental Sciences, Published online: 11 February 2017; doi:10.3844/ajessp.2017.65.76

The present study aims to investigate the applicability of DRASTIC, GOD and SI models in evaluating the groundwater vulnerability and risk of contamination in the Canton of Portoviejo, Ecuador. The gr...

Elemental Composition and Concentration of Atmospheric Particulate Matter in Kuwait

Jasem M. Al-Awadhi — 2017-02-18

American Journal of Environmental Sciences, Published online: 18 February 2017; doi:10.3844/ajessp.2017.77.92

Hourly PM10 and PM2.5 samples were simultaneously collected at 10 and 3 urban sites, respectively in Kuwait from March 2014 to February 2015, to study the air quality and heavy metals content and Tota...