Missing data (Ecological Characteristics) for

POA ANNUA

1. Char Number: 1.01A Characteristic: Water nutrients
   
2. Char Number: 1.02 Characteristic: Soil moisture: 1. water table
   
3. Char Number: 1.03 Characteristic: Soil moisture: 2. drainage
   
4. Char Number: 1.04 Characteristic: Soil moisture: 3. supply
   
5. Char Number: 1.06A Characteristic: Water pH: 1. extreme maximum
   
6. Char Number: 1.07 Characteristic: Soil pH: 2. extreme minimum
   
7. Char Number: 1.07A Characteristic: Water pH: 2. extreme minimum
   
8. Char Number: 1.08 Characteristic: Soil pH: 3. typical maximum
   
9. Char Number: 1.08A Characteristic: Water pH: 3. typical maximum
   
10. Char Number: 1.09A Characteristic: Water pH: 4. typical minimum
    
11. Char Number: 1.10A Characteristic: Maximum depth of leaves
    
12. Char Number: 1.11 Characteristic: Exposure
    
13. Char Number: 1.15A Characteristic: Flow
    
14. Char Number: 2.06 Characteristic: Fossil record: 1. earliest record
    
15. Char Number: 2.07 Characteristic: Fossil record: 2. earliest postglacial record
    
16. Char Number: 2.08 Characteristic: Fossil record: 3. postglacial frequency (no. sites)
    
17. Char Number: 2.09 Characteristic: Range: 1. european countries where native
    
18. Char Number: 2.10 Characteristic: Range: 2. european countries where introduced
    
19. Char Number: 2.12 Characteristic: Range: 4. continents where introduced
    
20. Char Number: 2.15 Characteristic: British distribution (post 1949 records)
    
21. Char Number: 2.16 Characteristic: British distribution (all records)
    
22. Char Number: 3.02A Characteristic: Leaf position
    
23. Char Number: 3.03 Characteristic: Height: 1. extreme maximum (cm)
    
24. Char Number: 3.18 Characteristic: Leaf lamina thickness: 1. range
    
25. Char Number: 3.23 Characteristic: Leaf longevity: 2. number of months
    
26. Char Number: 3.30 Characteristic: Root persistence
    
27. Char Number: 4.03 Characteristic: Mature leaf N concentration (mg/g)
    
28. Char Number: 4.04 Characteristic: Mature leaf P concentration (mg/g)
    
29. Char Number: 4.08 Characteristic: Response to drought
    
30. Char Number: 4.09 Characteristic: Response to frost (non-woody tissue)
    
31. Char Number: 5.02 Characteristic: Longevity of stems (yrs)
    
32. Char Number: 5.09 Characteristic: Flowering time: 3. peak month
    
33. Char Number: 5.11 Characteristic: Photoperiodism: 2. threshold value (h)
    
34. Char Number: 5.12 Characteristic: Pollen: 1. mono/di-morphic
    
35. Char Number: 5.18 Characteristic: Heteromorphy
    
36. Char Number: 5.23 Characteristic: Pollen/ovule ratio
    
37. Char Number: 5.24 Characteristic: Seed/ovule ratio
    
38. Char Number: 5.27 Characteristic: Appendages on dispersal unit
    
39. Char Number: 5.29 Characteristic: Annual seed dispersal
    
40. Char Number: 5.35 Characteristic: Seed production: 1. maximum (/flower)
    
41. Char Number: 5.36 Characteristic: Seed production: 2. typical range (/flower)
    
42. Char Number: 5.37 Characteristic: Seed production: 3. typical range (/plant)
    
43. Char Number: 5.41 Characteristic: Maximum temperature of germination
    
44. Char Number: 5.43 Characteristic: Minimum temperature germination
    
45. Char Number: 5.45 Characteristic: Germination requirements 1. chilling
    
46. Char Number: 5.50 Characteristic: Seedbank longevity
    
47. Char Number: 6.01 Characteristic: Response to vertebrate grazing
    
48. Char Number: 6.03 Characteristic: Physical defences on stems
    
49. Char Number: 6.05 Characteristic: Physical defences on buds
    
50. Char Number: 5.57 Characteristic: Mean Spore Diameter (Pteridophytes) (µ m )