Learning Objectives - Tree morphology and physiology
Lecture and part of Chapter 4
- Identify the primary "organs" of a tree.
- Know the types of tissue or cells in these organs and their functions.
- Cuticle, Epidermis, pallisades, spongy mesophyll, stoma, guard cells
- Xylem, phloem, vascular cambium, bark
- Sapwood, heart wood
- Nodes, internodes, lenticles, various bud types, meristems,
- How can roots be classified:
- heterorhizic
- woody vs. nonwoody
- suberized vs. nonsuberized
- mycorrhizal
- grafted
- aerial
- buttressed
- nodulated
- Understand vegetative growth
- leaf growth (gymnosperm vs. angiosperm)
- fixed, free, and recurrent flushing growth
- seasonal duration of growth
- apical dominance
- Understand reproductive process of trees
- Asexual reproduction *not in FALL 1999
- via reproductive organ material *not in FALL 1999
- root suckers (ramet vs. ortet) *not in FALL 1999
- layering *not in FALL 1999
- stump sprouting *not in FALL 1999
- Sexual reproduction
- stages in reproductive cycle
- monoecious vs dioecious
- pollination and fertilization (angiosperms vs gymnosperms)
- seed dispersal methods
- seed dormancy *not in FALL 1999
- germination
- seed year cycles
*not in FALL 1999
- External factors affecting physiological activity of trees
- Light
- Temperature
- CO2
- Water supply
- Soil fertility
- air pollutants
- applied chemicals
- diseases
Interesting Links
- Climate Change Atlas for 80 forest tree species of the eastern United States. You can look at predicted changes in the ranges of trees under different climate scenerios. A good reminder that the earth is not static.
To Forest Management Home Page.