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WATER RELATIONS (Chapter 6)

WATER RELATIONS (Chapter 6). Saltwater. Freshwater. 23 o C. 23 o C. Actual Water Content in Air. Saturation Water Vapor Density (g/m 3 ) Saturation Water Vapor Pressure (kPa). Fig. 6.2 in Molles 2008. Fractional of Saturation Water Content of Air I. Relative Humidity.

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WATER RELATIONS (Chapter 6)

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  1. WATER RELATIONS (Chapter 6)

  2. Saltwater Freshwater

  3. 23oC 23oC

  4. Actual Water Content in Air Saturation Water Vapor Density (g/m3) Saturation Water Vapor Pressure (kPa) Fig. 6.2 in Molles 2008

  5. Fractional of Saturation Water Content of Air I Relative Humidity http://upload.wikimedia.org/wikipedia/commons/8/84/Relative_humidity.jpg Actual Water Vapor Density Rel. Humidity = X 100 Saturation Water Vapor Density

  6. Fractional of Saturation Water Content of Air II Vapor Pressure Deficit Vapor Pressure Deficit = Saturation Vapor Pressure – Actual Vapor Pressure

  7. Potential for Evaporation Fig. 6.3 in Molles 2008

  8. WATER MOVEMENT: OSMOSIS Hypotonic, Isotonic, Hypotonic

  9. Osmotic Stress in Marine Organisms Fig. 5.4 in Molles 2008

  10. Strategies for Coping with Hyperosmotic Environments I (Osmoregulation) Fig. 6.4 in Molles 2008

  11. Strategies for Coping with Hyperosmotic Environments II (Osmoregulation) http://www.kcl.ac.uk/ip/christerhogstrand/courses/hb0223/images/water&8.jpg

  12. Osmotic Stress in Freshwater Organisms Fig. 5.4 in Molles 2006

  13. Strategies for Coping with Hypoosmotic Environments I (Osmoregulation) Fig. 5.28 in Molles 2006

  14. Strategies for Coping with Hypoosmotic Environments I I (Osmoregulation) http://www.emc.maricopa.edu/faculty/farabee/biobk/contractilevac.gif

  15. Osmosis and the Plant Cell 11

  16. Will Water Flow? 4

  17. Water Potential (ψ ) = Ability to Do Work (Measured in pressure units: MPa) Fig. 5.5 in Molles 2006

  18. Water Potential (ψ ) = Ability to Do Work (Measured in pressure units: MPa) 2

  19. Which has greater Water Potential? 3

  20. Which has greater Water Potential? Wet Sand Wet Clay

  21. Influence of Soil Water Potential on Root Water Uptake Roots Soil

  22. Which has Higher Water Potential? 5

  23. Which has Higher Water Potential?

  24. In which Situation is there a Greater Water Potential Difference Between Leaves and Surrounding Air? 8 10 9 Coastal Air Desert Air

  25. What Abiotic Characteristics would Inhibit Water Flow?

  26. Water Relations of a Plant 13

  27. Plant Water Relations Fig. 7.7 in Molles 2008

  28. Water Relations of an Animal 14

  29. Animal Water Relations Fig. 6.7 in Molles 2008

  30. 1 http://www.brixham-lab.com/sites/115/imagebank/typeArticleparam507226/ br064.jpg 2 http://defeatpoverty.com/uploaded_images/waterwheel-787124.jpg 3 http://upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Havasu_Falls _1a_md.jpg/260px-Havasu_Falls_1a_md.jpg 4 http://www.flowersociety.org/images/Essences/Research/Redwood/redwood -trunk.jpg 5 http://www.biologycorner.com/resources/osmosis.jpg 6 http://www.4wdonline.com/A/PiCs37/water.sand.jpg 7 http://www.ext.colostate.edu/ptlk/1602f2a.jpg 8 http://www.cornwallwildlifetrust.org.uk/images/jpgs/transpiration.jpg

  31. 9 http://i.pbase.com/o4/75/646675/1/59825868.SaguaroNight.jpg 10 http://www.nem5.com/photos/images/storm4.jpg 11 http://www.bbc.co.uk/schools/gcsebitesize/img/biturgidity.gif 12 http://www.botany.hawaii.edu/faculty/webb/BOT410/Roots/ RootsManoaRootsCrop.jpg 13 http://perso.orange.fr/erick.dronnet/images/helianthus_annuus1.jpg 14 http://www.californiaherps.com/frogs/images/rberlandieriwfimpco04.jpg

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