RNR 3105 : Exam 4 Lecture Study Guide
Document Summary
Forest controversies and issues in the news, such as the longleaf pine in louisiana. Spotted owl, oil being taken away from habitat, louisiana- pine is almost gone. Explain the difference in leaf structure and development of trunk and branches. Start off with pioneer and end with secondary, formation of soil, time= primary= long time, secondary= shorter time because soil is already made, both lead to great amounts of change. Factors influencing forest development- soil is where their nutrients come from. Permeability- ability to float air or water porosity- , ph, organic content, metal content. Seeding and germination habits - co-evolution with pollinators and seed dispersers; don"t forget about the bee video. Both trees, angiosperms- mature faster= higher diversity, gymnosperm- mature later= Age at maturity difference between angiosperms and gymnosperm lower diversity. Fire life history strategies of trees and fire, surface and crown, fire climax communities, prescribed burning. Insects each type and what it does to the tree.
