Nitrate and Phosphate Concentrations in Three Mesotrophic Lakes with Different Boat Propulsion Restrictions
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چکیده
منابع مشابه
Capability of Chlorella vulgaris to remove nitrate and phosphate at different concentrations and condition: studied by response surface methodology
In order to study the capability of microalgea Chlorella vulgaris in removal of nitrate and phosphate from water, the effects of initial concentration of nitrate and phosphate and photoperiod were investigated in 20 experiments proposed by response surface methodology. The most effective factors in nitrate removal include initial nitrate concentration, photoperiod and interaction of phosphate-p...
متن کاملDetermination of nitrate and phosphate in seawater at nanomolar concentrations
Over much of the world s surface oceans, nitrate and phosphate concentrations are below the limit of detection (LOD) of conventional techniques of analysis. However, these nutrients play a controlling role in primary productivity and carbon sequestration in these waters. In recent years, techniques have been developed to address this challenge, and methods are now available for the shipboard an...
متن کاملLipid accumulation and growth characteristics of Chlorella zofingiensis under different nitrate and phosphate concentrations.
To evaluate the potential of the green agla Chlorella zofingiensis as a feedstock for biodiesel production, the effects of nitrogen and phosphate on lipid accumulation and growth of C. zofingiensis were studied. The maximum specific growth rate (μ(max)) reached 2.15 day⁻¹ when the concentration of NaNO₃ and K₂HPO₄·3H₂O was 1.0 g L⁻¹ and 0.01 g L⁻¹, respectively. The lipid contents of C. zofingi...
متن کاملThe relationship between nitrate and ammonia concentrations in the pelagic zone of lakes
Both nitrate (NO3-N) and ammonia (NH4-N) concentrations are in general highly variable during a lake’s seasonal cycle. During the growing seasonal peak, such concentrations can be very low due mainly to its’ sequestration by phytoplankton. With the aim to study NO3-N and NH4-N mean concentration variation along the increase of the trophic state of lakes, this study simultaneously analyses the i...
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ژورنال
عنوان ژورنال: Journal of Freshwater Ecology
سال: 2010
ISSN: 0270-5060,2156-6941
DOI: 10.1080/02705060.2010.9665083