resources – air and water. physical conditions thermal water & osmotic ph toxins radiation
Post on 20-Dec-2015
214 views
TRANSCRIPT
Resources – Air and water
Physical conditions
• Thermal• Water & osmotic• pH• Toxins• Radiation
Resources
• Food or light (energy)• Nutrients• Water• Space• Oxygen• Carbon dioxide
Essential elements
• All: C,H,K,N,S,Ca,Fe,Mg -- Mn,Zn,Cu • Plants: B,Si,Co(legumes)• Animals: Cl,Na,Cr,Se
Classification of resources
Photosynthesis and temperature
Photosynthesis and light level
Light reactions of photosynthesis
Ecological significance of C4 & CAM photosynthesis
• Temperature and water response
• Community structure and niche differences
• Soil fertility
• Atmospheric CO2
• Herbivory
• Epiphytes
• Aquatics