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Journal of Applied Sciences

Year: 2005 | Volume: 5 | Issue: 5 | Page No.: 820-828
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Authors

Yesim Buyukates

Daniel L. Roelke

Keywords

Research Article

Investigating System Characteristics of a Southeast Texas Wetland: Nutrient and Plankton Dynamics of a Tidal Creek in Lower Nueces Delta

Yesim Buyukates and Daniel L. Roelke
Aquatic systems are dynamic in nature and can be affected diversely by various fluctuations. Additionally, survival and development of organisms living in require that the system in question be of sufficient quality to sustain the different components. Therefore, a thorough knowledge of the system and the processes affecting the system are required. Field samplings were performed to gather information on the plankton community and nutrient dynamics of a tidal creek of lower Nueces Delta, southeast Texas, USA on 15 March, 7 June and 8 September 2001. On site measurements and microscopic analyses showed that environmental parameters and plankton community composition changed considerably among sampling stations and sampling dates. The system was found to be nitrogen limited confirming previous studies. Naturally, silica concentrations were high in the system, however flooding events caused an additional increase in September. The natural plankton community structure was diverse in the system. Both zooplankton and phytoplankton community composition changed due to environmental conditions, especially rain events and decrease in salinity.
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