What is turbidity and why is it important to understanding water quality? Objective Students will be able to explain the impact of water clarity on ecosystems functionality. Students will create a product to analyze a solution. Students will complete a lab report. Background Many marine or aquatic ecosystems depend on the quality or productivity of water. Water heavy with glacial sediment is often not highly productive because of the silt concentration and temperature, where salt water tends to be warmer and teeming with life. Students will be working in a local lake or ocean (or classroom if Duration: 90 Minutes.