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The Relationships between Chlorophyll-a Dynamics, Certain Physical and Chemical Variables in the Temperate Eutrophic Çaygören Reservoir, Turkey
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چکیده: (7914 مشاهده) |
| The Çaygören Reservoir was sampled monthly from February 2007 to January 2009 at three stations to determine the relationships between the chlorophyll-a (Chl-a) dynamics and soluble reactive phosphorus (SRP), nitrate-nitrogen (NO3-N), ammonium-nitrogen (NH4-N), water discharge, water transparency, water temperature (T), specific conductance (SC) and pH. Thermal stratification occurred in the reservoir from May to September. The maximum chlorophyll-a concentrations were measured (using a YSI multi probe) in the fall and the minimu, SRP and NO3-N were significant among seasons (P<0.01), but not among sampling stations (p>0.01). The differences in the Secchi disk transparency were significant both among sampling stations and seasons (P<0.05). The results of this study suggest that high chl-a concentrations resulted from the increase in available light in the spring and deep mixing in the fall which provided nutrients needed for phytoplankton growth. |
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نوع مطالعه: پژوهشي |
موضوع مقاله:
Biology & physiology
دریافت: 1392/11/7 | پذیرش: 1392/11/7 | انتشار: 1392/11/7
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