Since oxygen is one of the most easily measured products of both photosynthesis and respiration, a good way to gauge primary productivity in an aquatic ecosystem is to measure dissolved. Name period date for evaluation purposes only 1 ap biology lab 12: dissolved oxygen and primary productivity driving questions what affects do temperature and light have on the dissolved. Dissolved oxygen and primary productivity westminster college sim page 2 the primary productivity of an ecosystem is defined as the rate at which organic materials (carbon-containing.
One of the most easily measured products of both photosynthesis and respiration, a good way to gauge primary productivity in an aquatic ecosystem is to measure dissolved oxygen 4 using the.
Labbench activity dissolved oxygen and aquatic primary productivity by theresa knapp holtzclaw introduction in an aquatic environment, oxygen must be dissolved in order to be available. Preliminary activity for primary productivity water primary productivity is the measure of this rate of carbon assimilation as the above equation indicates, the production of oxygen.
Active page: lab 12: dissolved oxygen and primary productivity dissolved oxygen and primary productivity the volume of oxygen dissolved in water is dependent on.
Dissolved oxygen and primary aquatic productivity laboratory 12 introduction dissolved oxygen levels are an extremely important factor in determining the quality of an aquatic environment. A how does putting a sample of pond water and algae/freshwater plants in the light enable us to measure gross productivity it helps us measure oxygen after photosynthesis. Activity b (primary productivity): students use the measurements of dissolved oxygen to determine the primary productivity of an aquatic system • measure dissolved oxygen in a water sample.
Objectives •measure dissolved oxygen in a water sample using the winkler method •measure primary productivity •investigate some factors that can affect the primary productivity of a system.