"Mangrove Worksheet - Download as DOC"
Mangrove Worksheet Marine Science - Mr. Black Due Thursday, 27 October, 2011 Introduction Use your textbook, the links below, and classroom lecture notes to answer the items below. Be sure to use complete sentences and to write your answers by hand. No typing or word-processing, please. You may work in tank groups, but you may not copy verbatim from each other or from any other source. To do so will result in a 0 on the assignment and a referral. http://www.sms.si.edu/IRLSpec/Mangroves.htm http://www.sfrc.ufl.edu/4H/Other_Resources/Contest/Highlighted_Ecosystem/MangroveIntro.htm http://www.dep.state.fl.us/coastal/habitats/mangroves.htm http://www.floridaplants.com/horticulture/mangrove.htm http://www3.leegov.com/dcd/Environmental/Mangroves.htm http://www.marietta.edu/~biol/biomes/mangroves.htm Analysis 1. What does the term, mangrove, mean? 2. Describe the worldwide distribution of mangroves. 3. Name the three mangrove species found in Florida, along with their relative positions in the mangrove swamp; i.e., their zonation. 4. Explain, as though you were speaking to someone with no knowledge of mangroves, how to differentiate between red, black, and white mangroves. 5. List at least 5 uses of mangroves by people. 6. Discuss the ecological roles of mangrove forests. 7. Why are mangroves rarely found in freshwater environments? 8. Mangroves are facultative halophytes. What does this mean? 9. List and describe the major adaptations that allow mangroves to be successful in their environment. 10. What are the two basic ways in which mangroves maintain proper internal salt balance? 11. What are some advantages to the mangrove of living in saltwater? 12. Describe reproduction in each of the three Florida mangrove species. 13. Describe how the mangrove forest or swamp “advances”, helping to create new land. 14. How does the gross primary productivity of mangroves forests and seagrass meadows compare? 15. Briefly describe the ways in which mangroves contribute to the mangrove forest food web. 16. List the major features of each type of mangrove forest: fringe, overwash islands, riverine, and dwarf. 17. What group of organisms is considered a keystone species of the mangrove forest? 18. What two important functions do these keystone organisms perform? 19. What is the most recent estimate of the total acreage of mangroves in Florida? 20. How productive are estuarine mangrove ecosystems? 21. Briefly describe mangrove losses in Florida over the last 100 years. 22. What are the main causes of mangrove loss in Florida?