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The Sources Of Pollution Of Hydroecosystems With Nutrients And The Load Of Pastures In The Catchment Areas Of The Voghchi And Meghriget Rivers, Armenia | 4460
ISSN: 2157-7625

Journal of Ecosystem & Ecography
Open Access

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The sources of pollution of hydroecosystems with nutrients and the load of pastures in the catchment areas of the Voghchi and Meghriget rivers, Armenia

Biodiversity & Sustainable Energy Development-2012

Karen Grigoryan

Posters: J Ecosyst Ecogr

DOI: 10.4172/2157-7625.S1.009

Abstract
The catchment basins of the Voghchi and Meghriget rivers are located in the south of the Republic of Armenia. The catchment basins of the Voghchi and Meghriget rivers cover the areas of 933 square km (in the borders of Armenia) and 340 square km respectively, and the population is 62300 and 12200 respectively. In the catchment areas of the Voghchi and Meghriget rivers, the main occupation of population was cattle breeding, and now it is one of the dominating spheres of economy. Agriculture and other spheres of human activity including human domestic activity have its impact on the environment. Canalization and sewerage systems are in very bad condition, biological water cleaning stations don?t work in these areas by which wastewaters without sufficient cleaning flow directly to wetlands of abovementioned catchment areas polluting them. The objective of study was to explore the content of nitrogen and phosphorus penetrating into the environment due to human domestic and agricultural (cattle breeding) activity as well as to determine the load of pastures in the catchment areas of the Voghchi and Meghriget rivers. The study was performed in 2006-2010 using the methodology of Vollenweider. The study shown that about 1462 (2006), 1507 (2007), 1526 (2008), 1558 (2009), 1506 (2010) tons of nitrogen and 156, 161, 164, 167, 161 tons of phosphorus penetrated into the environment in the catchment areas of the Voghchi and Meghriget rivers as a result of human domestic and agricultural activity. It was also revealed that the load of pastures was very low, and there was the high potential for cattle breeding development in this territory.
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