What is the primary source of oxygen to a pond?
The two sources of oxygen to a pond are: • Diffusion: direct exchange of oxygen at the water/air interface • Photosynthesis: process by which plants manufacture food (oxygen is a water product) The amount of oxygen in a pond and the ability of water to retain oxygen is influenced by time of day, weather, altitude, and water temperature. Name one sign that might indicate that there is an oxygen problem in a pond.
