The needs of a growing population have resulted in overexploitation of the system's natural resources and degradation and destruction of many of the components of estuarine system. ... Methods Our sampling site for the research was the San Juan Bay Estuary. ... The method used this year to process the samples was the Solid Phase Extraction (or SPE). The SPE method consist in first collect 3 samples of each point in amber bottles of 1L, and then take the samples to the laboratory where they were filtered, measured the volume and the pH was adjusted to 6. ... In previous years, we used in...

• Word Count: 3138
• Approx Pages: 13
• Has Bibliography
• Grade Level: Undergraduate

Fresh water is an important resource connected to the environment and society. Water is a critical component of ecological cycles. Aquatic ecosystems harbor diverse species and offer many valuable services. People require water to run industries, for energy, and to grow food. Due to the importance o...

• Word Count: 2614
• Approx Pages: 10
• Has Bibliography
• Grade Level: Undergraduate