![]() The second is a set instructions for a laboratory in which students learn how to locate wetlands using online mapping.Ī Natural Process: Fostering Critical Thinking Through an Ecological Allegory This first is a Powerpoint presentation that provides basic principles about wetlands. It consists of two files that complement each other. This lesson focuses on basic principles and identification of wetlands, which are valuable and productive ecosystems in the landscape. Many lakes are undergoing “browning”, where waters become darker and less transparent due to increases.Ī 4DEE Introduction to wetlands: Basic principles, online mapping, and field identification Light availability has been changing in many lakes with changes in water clarity. While the effects of nutrients on water quality has received much attention, light availability also has strong effects on water quality in lake ecosystems. Water quality is a significant issue affecting our lakes. How do Lake Ecosystems Change with Increases in Dissolved Organic Matter (DOM) and Reduced Water Clarity? Long-term investigations in lake ecology This exercise follows the Four Dimensional Ecology Education (4DEE) framework. They evaluate their findings against the Law of Final Constant Yield and the Reciprocal Yield Law. Students examine a variety of parameters in experimental populations of radish plants grown at different densities. This lab exercise examines the effect of density on the survival and growth of plant populations. ![]() This exercise is aligned with the Ecological Society of America's Four.Įffects of Intraspecific Competition on Plants Three approaches for the C/UE method are also included. ![]() The MR methods include the Lincoln-Petersen and the Schumacher-Eschmeyer approaches. It covers two main techniques: Mark and Recapture (MR) and Capture Per Unit Effort (C/UE). This activity is a lab exercise that teaches students how to estimate animal population size. Please sign in to download the resources.ĤDEE Activity - Estimation of Animal Population Size Please note that links for files are not viewable until you sign in. The advanced search option is available by clicking on "Advanced Search" on the right side of the menu bar. This information will only be shared in aggregate with the community and potential funders to paint a picture of whom we are serving in EcoEdDL and which resources are most helpful. Why do we ask you to create an account? To improve our services to you we require all users to create a FREE account and provide information about your professional background. Sign up for the EcoEdlist and community forum (powered by Google Groups) to pose your questions and receive up to date information, reports, newsletters and announcements in your inbox. Need Help or More Info? Contact Join our Community ![]() EcoEdDL strives to foster a community of ecology education users and contributors. Resources are available based on the Creative Commons Non-Commercial Attribution 4.0 International (CC BY-NC 4.0) license. Welcome to the Ecological Society of America's online education resource portal! ESA's EcoEd Digital Library (EcoEdDL) is a forum for scientists and educators to locate and contribute peer reviewed resources for 21st century undergraduate ecology education. ![]()
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