PPT-Aquatic Ecosystems How do we describe aquatic ecosystems?

Aquatic ecosystems are primarily determined by the ecosystems salinity Salinity refers to the dissolved salt content of the water Aquatic ecosystems are divided into freshwater and marine ecosystems. Petritz Director that all persons shall have equal opportunity and access to the programs and facilities without regard to race color sex religion national origin age marital status parental status sexual orientation or disability Purdue University Emergent aquatic macrophytes Emergent aquatic macrophytes are defined as plants that are rooted in shallow water with vegetative parts emerging above the water surface It is thought that emergent macrophytes are the mo . Hua. Chen. (. 陈华. ). Department of Biology. University of Illinois at Springfield. Roadmap. Ecosystem degradation, ecological restoration, and restoration ecology . Reference and dynamic reference . By Renee Swank. In this activity you will learn all about the types of ecosystem. You can read all of the material and watch a short video on ecosystems. After you have read the material and watched the video, you can take the short quiz to see how much you learned!!. There are two main categories of freshwater ecosystems. What is the main . difference between. these two ecosystems? . Standing water . v. . flowing-water ecosystems. Standing water—staying still, not moving. Abiotic Elements That Affect Our Water. Water Chemistry. Healthy aquatic ecosystems depend upon many factors. One important factor is the chemical balance present in the ecosystem.. Aquatic ecosystems are susceptible to many chemical changes. Usually if the chemistry of a “healthy” ecosystem changes, signs of this change will include sensitive organisms quickly declining in number or disappearing. These types of organisms are called . Unit 4 . – Nutrient Cycles in marine ecosystems. Magnesium:. Used to . make chlorophyll. Ca Cycle:. Ca present in ocean as Ca. 2+ . (calcium ions). From weathering/erosion of . rocks. ; . brought to ocean from runoff of rivers. Revision. Learning Outcomes. MUST describe the structure of a joint.. SHOULD explain how properties of ligaments, cartilage and tendons enable joints to function correctly.. COULD describe common injuries to joints and their symptoms and treatment.. Explain how biomes are characterized. Describe how net primary production varies among biomes. Explain how organisms are adapted to the conditions of their biomes. Describe the criteria ecologist use to classify aquatic systems. Chapter 3 (Miller and . Spoolman. , 2010). Core Case Study: Tropical Rain Forests Are Disappearing. Cover about 2% of the earth’s land surface. Contain about 50% of the world’s known plant and animal species. Brooke Ard. 5. th. Grade Math/Science. Griggs Road Elementary. Aquatic Ecosystems. Water-based . ecosystems may be fresh water (lakes and ponds) or saltwater (oceans, . estuaries and . saltwater marshes).. All seven species in danger through:. Trawler fishing. Destroyed many coral gardens that are turtle feeding grounds. Turtles hunted for leather. Eggs taken for food. Pollution of ocean water. Case Study: The Plight of Sea Turtles. Section 3: . Aquatic Ecosystems. K. What I Know. W. What I Want to Find Out. L. What I Learned. Essential Questions. What are the major abiotic factors that determine the aquatic ecosystems?. What are transitional aquatic ecosystems and why are they important?. What is ecology?. It is the science that studies how . organisms. relate to each other and their . environment. .. Considers both . biotic. (living) and . abiotic. (nonliving) aspects.. Examples of abiotic factors: .