PPT-Critical Load A tool to evaluate the sensitivity of terrestrial and aquatic ecosystems

Version 10 110618 Source and Reference for Presentation This presentation was produced by the National Atmospheric Deposition NADPCritical Loads of Atmospheric Deposition CLAD Science Committee Executive Team as a source of information and slides for presentations that include critical loads. Chris Wojan. Background. Logjams increase benthic and emergent aquatic invertebrate abundance and richness through:. Accretion of organic matter. Increased cover. Creation of diverse habitat. Background. 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!!. . Table of Contents. Section 3: . Aquatic Ecosystems. Section 1: . How Ecosystems Change. Section 2: . Biomes. Chapter: Ecosystems. . Table of Contents. Section 1: . How Ecosystems Change. Mosses from my back yard. The Aquatic Biome. 3 Basic Areas:. Freshwater. (rivers, lakes). Brackish. Water (estuaries, wetlands). Marine. (oceans, coral reefs). How do ecologist classify?. Salinity. Depth . Whether the water is . 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. 4.2 pgs. 94 - 100. Biomes. A large geographical region with a specific range of temperatures and precipitation, and the organisms that are adapted to those conditions of temperature and precipitation. 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. - Jacques Ives Cousteau. 2. New Orleans is nested between the mouth of the Mississippi River and the brackish estuary of Lake Pontchartrain.. 3. A series of floodwalls, or levees, protects the city from ocean surges from large storms.. CHAPTER. Too Much of a Good Thing?. Elephant populations in southern Africa declined sharply due to hunting but have made overwhelming comebacks within nature reserves and parks.. Some worry that elephant overpopulation is causing a decline in local biodiversity and damage to farms and infrastructure.. Aquatic ecosystems are primarily determined by the ecosystem’s . salinity. . Salinity refers to the dissolved salt content of the water.. Aquatic ecosystems are divided into freshwater and marine ecosystems.. SUMMER INSTITUTE. June 23-25, 2015. Presented by. UNC INSTITUTE FOR THE ENVIRONMENT. GOOSE CREEK STATE PARK. A TIME FOR SCIENCE NATURE AND SCIENCE LEARNING CENTER. Funded by . THE EDDIE AND JO ALLISON SMITH FAMILY FOUNDATION. Ocean Zones & Ecosystems. Freshwater Zones & Ecosystems. Related Ecology. Benthic Division. 6 Areas. . 1. Supralittoral zone. (supra= upper, litus=shore). . Water splashes but does not stay submerged. 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?.