Trophic State Index (TSI), Spatial Gradient Characteristics and the Empirical Models for Eutrophication Evaluations in Daecheong Reservoir
نویسندگان
چکیده
منابع مشابه
Assessment of temporal and spatial eutrophication index in a water dam reservoir
Eutrophication is considered as a serious problem in water reservoirs. Awareness about the eutrophic status of each reservoir could help in providing a better understanding of the problem in a global scale. The present study was conducted to assess temporal and spatial eutrophication index in a water reservoir (Sahand dam) in the northwest of Iran. Physico-chemical parametres that are effective...
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Background and purpose: The study aimed to investigate the trophic state of Ekbatan Dam Lake. In the current research, the quality of water behind the dam was studied during the months July and January in order to compare the trophic state and zonation of the reservoir in two different seasons (dry and wet). Materials and Methods: 15 sites were selected in different points of Ekbatan Dam Lak...
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Many natural streams are net heterotrophic, so I propose that trophic state be divided into autotrophic and heterotrophic state. This division allows consideration of the influence of external carbon sources as well as nutrients such as nitrogen and phosphorus. Empirical results suggest that phosphorus and nitrogen are the most important nutrients regulating autotrophic state in flowing waters ...
متن کاملTrophic state, eutrophication and nutrient criteria in streams.
Trophic state is the property of energy availability to the food web and defines the foundation of community integrity and ecosystem function. Describing trophic state in streams requires a stoichiometric (nutrient ratio) approach because carbon input rates are linked to nitrogen and phosphorus supply rates. Light determines the source of carbon. Cross system analyses, small experiments and eco...
متن کاملThe trend of changes in the Trohic State Index (TSI) in Chitgar Lake during 2013-2019
Lake of the Martyrs of the Persian Gulf (also known as the Chitgar Lake) is located in the north-western of Tehran. The construction of this artificial lake was done by Tehran Municipality was filled water of the Kan River in 2012. TN, TP, SD and Chl-a was used to determine trophic levels. Water sampling was performed by Rotner sampler and the water quality was investigated on 5 stations site d...
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ژورنال
عنوان ژورنال: Journal of Environmental Science International
سال: 2014
ISSN: 1225-4517
DOI: 10.5322/jesi.2014.23.9.1537