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49 articles for “Environmental Variables”
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Research ArticleOpen accessIn the abstractEcological Studies of Epiphytic Microalgae and Epiphytic Zooplankton on Seaweeds of the Eastern Harbor, Alexandria, EgyptN. G. Shams El-Din, N. A. Shaltout, M. Z. Nassar, A. SolimanA qualitative and quantitative study on the epiphytic microalgae and epiphytic zooplankton were conducted in order to follow up their community structures on seaweeds in relation to some physico-chemical variables in the coastal waters of the Eastern Harbor of Alexandria. Water and macroalgal samples were collected seasonally during two years successively: Winter, summer, autumn (2012) and spring (2013). The collected … …American Journal of Environmental Sciences, Vol. 11, Issue 6 · 9 Dec 2015 · 7,587 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Impact of Attitude Toward Watershed Management Operation on Level of People ParticipationB. M. Golrang, F. S. Lai, M. Rostami et al.Recent studies in many countries had display the influence of many factors including: Satisfaction, Knowledge, Demographic and Attitudinal variables in level of people participation. The main question here is, whether these factors would also be effective on people participation in Iran? The purpose of this research was to investigate communication factors influencing attitudes of farmers’ application of Watershed Management Operations … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 4 · 19 Nov 2012 · 8,053 accessesView PDFCite
Research ArticleOpen accessIn the abstractLand use Type Pattern and Woody Species Composition Near Human Disturbed Landscapes on Mount Makiling, Luzon IslandInocencio E. Buot, Katsuhiro OsumiProblem statement: A field study near human disturbed landscape on Mount Makiling, Luzon Island, Philippines was done on the eastern slopes of the legendary mountain to determine the land use patterns and woody species composition. Approach: Forty permanent plots of 10×10m in 3 belt transects spaced at 200m apart were established from the undisturbed forests to the agricultural farms. Classification … …American Journal of Environmental Sciences, Vol. 7, Issue 4 · 26 Aug 2011 · 8,033 accessesView PDFCite
Research ArticleOpen accessIn the abstractEconomic, Social and Political Scenarios of Mexico in the Next Two DecadesJosè G. Vargas-Hernàndez, Mohammad Reza NoruziProblem statement: This research proposal aims to analyze the economic, social and political foreseeable scenarios of Mexico by the year 2030. Approach: Starting from the analyzes of the recent economic, social and political developments, to searching the trends in specific economic issues such as international commerce, energy, employment, environmental constraints; social trends such as demographic transition, fertility, population growth, aging, … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,650 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Investigation of Sustainable Development in Urban Neighborhoods Using Statistical ModelsSedigheh LotfiProblem statement: Sustainable has a close relation to the quality of life in the different parts of each city. While the level of sustainability is studied in many urban areas world wide but it has been less considered in the Iranian cities. The city of Babolsar is selected to investigate the level of development by detail study of its 16 … …American Journal of Environmental Sciences, Vol. 5, Issue 3 · 30 Jun 2009 · 6,337 accessesView PDFCite
Research ArticleOpen accessIn the abstractExtension Mechanisms to Support Sustainable Agriculture in Iran ContextMohammad Sadegh AllahyariSustainable agriculture, as a managerial philosophy has risen to meet environmental, economic and social complications. Agricultural extension as a source of information plays an important role for the achievement of sustainable forms of agriculture. In fact, conventional extension system cannot accomplish sustainability in agriculture. The objective of the study was to identify the most appropriate mechanism to support dimensions and … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 4 · 31 Dec 2008 · 7,738 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAssessing the Effect of a Dumpsite to Groundwater Quality in Payatas, PhilippinesGlenn L. Sia SuThe study assessed and compared the groundwater quality of 14 selected wells continuously used in the with (Payatas) and without dumpsite (Holy Spirit) areas at the Payatas estate, Philippines. Water quality monitoring and analyses of the bio-physico-chemical variables (pH, Total Suspended Solids (TSS), Total Dissolved Solids (TDS), total coliform, conductivity, salinity, nitrate-nitrogen, sulfate, color, total chromium, total lead and total … …American Journal of Environmental Sciences, Vol. 4, Issue 4 · 31 Aug 2008 · 9,466 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAssessing the Environmental Impacts of Urban Growth Using Land Use/Land Cover, Water Quality and Health Indicators: A Case Study of Arequipa, PeruOswaldo Villena Carpio, Brian D. FathProblem statement: This research assesses the direct effects of urban expansion on land cover/use, river flow, water quality and the indirect effects of these variables in the rate of gastrointestinal disease in people in Arequipa, Peru through the combined use of satellite remote sensing and geographic information systems. Approach: It also uses information about demographic changes, hydrologic data and land … …American Journal of Environmental Sciences, Vol. 7, Issue 2 · 26 May 2011 · 8,741 accessesView PDFCite
Research ArticleOpen accessAll words, across the recordAnalysis of Factors Influencing Motivation of Villagers' Participation in Activities of Social Forestry (The Case Study of West Mazandaran)Elham Faham, Ahmad Rezvanfar, Taghi ShamekhiThe main purpose of this study was to analyze factors influencing motivation of villagers' participation in activities of social forestry. The statistical population includes all villagers living in villages, which locate in the west Mazandaran of Iran and had been covered by local forestry cooperative. A sample of 110 villagers were selected by the use of proportional random sampling method. … …American Journal of Agricultural and Biological Sciences, Vol. 3, Issue 2 · 30 Jun 2008 · 7,743 accessesView PDFCite