1. Ecology: Lecture 3

2. Rain shadows Smith and Smith, Fig. 2.5

3. North vs. south facing slopes  Smith and Smith, Fig. 2.16 & 2.17

4. Effects of vegetation on temperature Smith and Smith, Fig. 2.25

5. Review: key environmental factors affecting distribution of organisms  Temperature  Moisture  Nutrients  Light Campbell, 6 th edition, Fig. 50.10

6. Focus on light  Characteristics that vary with climate/microclimate  wavelength  intensity  duration  directionality

7. Light energy as a function of latitude and time of year  Smith and Smith, Fig. 3.2

8. PAR: Photosynthetically active radiation (400-740 nm) Smith and Smith, Fig. 3.1

9. Attenuation of light through water Nybakken, Marine Biology

10. Attenuation of light through vegetation  Leaf area index (Smith and Smith, Figs. 3.5-3.6)

11. P-I Curve Smith and Smith Fig. 6.6  Smith and Smith Fig. 6.6

12. Photoinhibition Smith and Smith Fig. 6.9  Smith and Smith Fig. 6.9

13. Photosynthesis: review Campbell, Fig. 10.12

14. Photosynthesis: light-independent reactions

15. Cost vs. benefit of rubisco reduction  Use Smith and Smith, Fig. 6.7 to think about this…

16. Changes in leaf orientation  Smith and Smith, Fig. 3.7

17. Shade-tolerant vs. intolerant plants  Smith and Smith, Fig. 6.9