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143 articles for “Human Activities”
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Research ArticleOpen accessIn the abstractTermite Damage to Buildings: Nature of Attacks and Preventive Construction MethodsAbdel Ghaly, Skai EdwardsProblem statement: Termites are an essential member of the soil ecosystem and are found throughout the world. In their natural environment, they improve soil pH, organic carbon content, water content and porosity by cycling dead organics. However, they can negatively impact human welfare by causing damage to unprotected timber structures, underground cables, earthen dams, irrigation ditches and farming equipment. Globally, … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 2 · 12 Jul 2011 · 26,765 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessing Forest Plantation Productivity of Exotic and Indigenous Species on Degraded Secondary ForestsYetti Heryati, Arifin Abdu, Mohd Noor Mahat et al.Problem Statement: There is general agreement that human activities such as deforestation and land use change to other land use types have contributed to degraded secondary forests or forestland and increases the emission of greenhouse gases which ultimately led to global climate change. An establishment of forest plantation in particular is regarded as an important approach for sequestering carbon. However, … …American Journal of Agricultural and Biological Sciences, Vol. 6, Issue 2 · 6 Jun 2011 · 10,518 accessesView PDFCite
Research ArticleOpen accessIn the abstractArsenic, Nickel and Iron Concentration levels in Water Samples from Hand-Dug Wells from Ugbe AkokoO.M. Afolabi, I.R. Ajayi, R.S. Fayose et al.Problem statement: The concentration of Arsenic, Nickel and Iron from twenty water samples from Ugbe Akoko in Ondo state, Nigeria was determined with atomic absorption spectrometer and conductivity meter. Approach: The aims are to determine the level of concentration of the three heavy metals in the well water, the relationship between the WHO reference standard for pure water and the … …American Journal of Applied Sciences, Vol. 8, Issue 2 · 28 Feb 2011 · 7,624 accessesView PDFCite
Research ArticleOpen accessIn the abstractBusiness Continuity Planning: Are We Prepared for Future DisastersNaill M. MomaniProblem statement: Natural and man-made disasters could cause a lot of monetary, mortality and morbidity losses for our business’ operations such as: Activities, products and services. In order to minimize losses from such disasters, it is essential to prepare and implement effective business continuity plans that could deal with abnormal conditions. Approach: In this study, a discussion of the major … …American Journal of Economics and Business Administration, Vol. 2, Issue 3 · 30 Sep 2010 · 7,384 accessesView PDFCite
Research ArticleOpen accessIn the abstractImproving Jordan's Law towards Sustainable Solid and Hazardous Waste Management: Lessons from USA's Environmental LawsNaill M. MomaniProblem statement: Improper handling of solid and hazardous waste will impact the living standards of a community in normal days and when disasters occur such misuse could disperse response and recovery activities due to natural or man-made disasters. Approach: This study discussed the Jordanian solid and hazardous waste management policies in light of USA equivalent ones with the intention to … …American Journal of Environmental Sciences, Vol. 6, Issue 4 · 31 Aug 2010 · 6,606 accessesView PDFCite
Research ArticleOpen accessIn the abstractAccumulation of Heavy Metals in Tilapia Fish (Oreochromis niloticus) from Al-Khadoud Spring, Al-Hassa, Saudi ArabiaMohammed A. Al-KahtaniProblem statement: Al-Khadoud Spring is one of the largest spring in Al-Hassa governorate (Saudi Arabia). Due to the extended domestic activities and urbanization as well as the continuous industrial and agricultural growth of the region, spring water quality is potentially changing. Approach: This study was conducted to measure toxic heavy metal concentrations in water and fish samples along the spring … …American Journal of Applied Sciences, Vol. 6, Issue 12 · 31 Dec 2009 · 11,802 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Study on Concentrations of Dissolved Oxygen and Chlorophyll-a in the Coastal Waters of BabolsarSiamak Jamshidi, Noordin Bin Abu Bakar, Marzieh YousefiProblem statement: Dissolved Oxygen (DO) and Chlorophyll-a (Chl-a) are two vital requirements for marine ecosystems. Nowadays, discharge of large amounts of industrial, agricultural and urban wastes threats the Caspian Sea (CS) environment. With regard to the elevation of nutrient contents, average of DO concentrations in the deeper layers of the CS is reducing. On the other hand, increased amounts of … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 7,029 accessesView PDFCite
Research ArticleOpen accessIn the abstractSustainable Regional DevelopmentHelen Theodoropoulou, Roido Mitoula, Malvina VamvakariProblem statement: Demographic changes have increased the social and cultural diversity of tourist areas with historical heritage and natural beauty in Greece, causing an expansion in the cultural and economic horizons of local people and producing at the same time conflicts in their interests, values and lifestyles. This research was focused in the concept of sustainable development in three areas … …Journal of Social Sciences, Vol. 5, Issue 2 · 30 Jun 2009 · 7,668 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Effect of Air Entry Values on Hysteresis of Water Retention Curve in Saline SoilS. Konyai, V. Sriboonlue, V. Trelo-GesProblem statement: The saline soil in Northeast Thailand is caused by saline groundwater rise in unsaturated zone to accumulate as salt at soil surface. Approach: This problem had been exacerbated in the last few decades by human activities e.g., deforestation and salt mining. This salinity problem can be solved by capillary rise control of saline groundwater flow. Results: The soil … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 6,937 accessesView PDFCite
Research ArticleOpen accessIn the abstractAdjustment of Peak Streamflows of a Tropical River for UrbanizationAta Amini, Thamer Mohammad Ali, Abdul Halim B Ghazali, Bujang Kim HuatPeak runoff from a catchment is influenced by many factors such as intensity and duration of rainfall, catchment topography, catchment shape, land use and other variables. For a particular catchment, landuse change and other human activities will alter the characteristic of catchment hydrograph. Problem statement: As a result of urbanization, the magnitude of floods occurring in a catchment increased. It … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 7,546 accessesView PDFCite