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. 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 Lake Victoria. Incredible diversity of cichlid fishes.. More than half of the 500 species now endangered.. Nile perch. Increased phytoplankton. Cyanobacteria. Lake Victoria. Algal bloom causes and increasing rate of decomposition as algae die off.. 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!!. 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. Background. . The degree of allochthony is an important feature of aquatic ecosystems; it is an indicator of the contribution of terrestrial ecosystem support to an aquatic ecosystem relative to internal (or autochthonous) contributions. The degree of allochthony is important in influencing biogeochemical cycles, food webs, and other factors that influence aquatic ecosystem structure and function such as lake metabolism.. Overview: Discovering Ecology. Ecology. is the scientific study of the interactions between organisms and the environment. These interactions determine distribution of organisms and their abundance. 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. Oceans. Millions of years of heat and pressure. Fossil Fuel Combustion. Algae . /. Aquatic Plants. Fires. Fossil Fuels. Decomposition/Respiration. Terrestrial Plants. Algae . /. Aquatic Plants. Photosynthesis and Carbon Cycling. Want to know the advantages and disadvantages of critical illness cover? Explore here or connect with Mountview FS for insurance advice.