Blyler , Karen, and Joy Jordan. “Aquatic and Marine Ecosystems—Lesson 3: Aquatic Ecosystems—Lakes, Springs & Rivers: 4H349/4H349, Rev. 11/2014”. EDIS 2014, no. 8 (October 31, 2014). Accessed March 29, 2024. https://journals.flvc.org/edis/article/view/131820.