1. VEGETATION ANALYSIS

2. DEFINITION
VEGETATION ANALYSIS IS THE WAY TO STUDY SPECIES COMPOSITION AND STRUCTURE OF PLANT COMMUNITY
VEG. ANALYSIS

3. VEGETATION ANALYSIS TECHNIQUES
SPECIES COMPOSITION
VEGETATION STRUCTURE
AREA
SAMPLING
VEGETATION ANALYSIS TECHNIQUES
UNIT SAMPLING SIZE
UNIT SAMPLING FORM
UNIT SAMPLING SETTING
VEG. ANALYSIS

4. SIZE AND FORM OF SAMPLING UNIT
VEGETATION SIZE
DENSITY
SPECIES DIVERSITY
LIFE FORM
SU SIZE
CONSIDERATION
SEMI OBJECTIVE
WAY
SPECIES CURVE AREA
1. MINIMUM SIZE OF SAMPLE UNIT ?
2. MINIMUM NUMBER OF SAMPLE UNIT ?
THE SHAPE OF SAMPLE PLOT CONSIDERATION
EASY TO LAYOUT
EFFICIENCY OF SAMPLING
SQUARE
STRIP (RECTANGULAR)
CIRCLE
VEG. ANALYSIS

5. TOTAL NUMBER OF SPECIES (CUMULATIVE)
EXAMPLES :
SAMPLE PLOT (S.P) 1 (1M2) : 11 SPECIES
S.P. 2 (4M2) : 15 SPECIES
S.P. 3 (8M2) : 17 SPECIES
S.P. 4 (16M2) : 19 SPECIES
S.P. 5 (32M2) : 20 SPECIES 1 2 3 4 5 m n 8 16 32 A 10 20
SAMPLE PLOT AREA (m2)
TOTAL NUMBER OF SPECIES (CUMULATIVE)
VEG. ANALYSIS

6. HOW TO PUT SAMPLE PLOT 1. RANDOM SAMPLING 2. SYSTEMATIC SAMPLING
MORE PRACTICAL
MORE APPROXIMATION TO STAND CHARACHTERISTIC
3. PURPOSIVE SAMPLING
VEG. ANALYSIS

7. GROWTH STAGE CRITERIA SEEDLING : GERMINATION UNTIL H<1,5 M
SAPLING : H>1,5 M UNTIL D<10 CM
POLE : DIAMETER BETWEEN 10 CM UNTIL < 35 CM
TREE : DIAMETER  35 CM
GROUND COVER : WITH EXCEPTION OF TREE REGENERATION
VEG. ANALYSIS

8. SUB-PLOT SIZE OF VARIOUS GROWTH STAGE
NESTED SAMPLING 1 2 3 4
(1) SEEDLING AND GROUND COVER : 2 X 2 M2, 2 X 5 M2, 1 X 1 M2
(2) SAPLING : 5 X 5 M2
(3) POLE : 10 X 10 M2
(4) TREE : 20 X 20 M2
VEG. ANALYSIS

9. MEASURED VEGETATION PARAMETER IN THE FIELD
SPECIES NAME
NUMBER OF INDIVIDU
CROWN DIAMETER
STEM DIAMETER :
DIAMETER AT BREAST-HEIGHT (DBH)
DIAMETER AT 20 CM ABOVE STAND ROOT
DIAMETER AT 20 CM ABOVE TOP OF AERIAL ROOT
TOTAL TREE HEIGHT AND TREE BOLE HEIGHT
STEM LOCATION
VEG. ANALYSIS

10. VEGETATION ANALYSIS METHOD
A. COMPARTMENT METHOD
1. QUADRAT METHOD
1.1. SINGLE COMPARTMENT
1.2. DOUBLE COMPARTMENT
2. TRANSECT METHOD
3. LINE COMPARTMENT METHOD
4. COMBINATION BETWEEN TRANSECT
AND LINE COMPARTMENT METHOD
VEG. ANALYSIS

11. VEGETATION ANALYSIS METHOD
B. PLOTLESS METHOD
1. BITTERLICH METHOD
2. POINT QUARTER METHOD
3. RANDOM PAIR METHOD
4. LINE INTERCEPT METHOD
5. POINT INTERCEPT METHOD
VEG. ANALYSIS

12. A. Quadrat Sampling Technique (Continued) A.1. Quarter Method
A.1.1. SINGLE COMPARTMENT
10M 5M 2M
40M
20M
VEG. ANALYSIS

13. A.1. Quarter Method (Continued)
A.1.2. DOUBLE COMPARTMENT
RANDOM
SISTEMATIC
VEG. ANALYSIS

14. A.2. Transect Method
20 m
10 m
2 m
5 m
VEG. ANALYSIS

15. A.3. Line Kompartment Method
x m
2 m
5 m
10 m
VEG. ANALYSIS

16. A.4. Combination between Transect and Line Compartment Method
VEG. ANALYSIS

17. A. Quadrat Sampling Technique (Continued)
TALLY SHEET FOR SEEDLINGS AND SAPLINGS
Quadrat
Species
N (ind) 1
... 2 n
VEG. ANALYSIS

18. A. Quadrat Sampling Technique (Continued)
TALLY SHEET FOR POLES AND TREES
Quadrat
Species
Diameter (cm)
Height (m) 1
... 2 n
VEG. ANALYSIS

19. A. Quadrat Sampling Technique (Continued)
Summary of vegetation Analysis by the Quadrat Sampling Technique
Species
Density
(ind/ha)
Relative Density
Frequ-ency
(%)
Relative Frequ-ency
Domi-nance (m2/ha)
Relative Domi-nance (%)
Importance Valur A B C D
...
VEG. ANALYSIS

20. DATA ANALYSIS FOR QUADRAT SAMPLING TECHNIQUE
VEG. ANALYSIS

21. DATA ANALYSIS FOR QUADRAT SAMPLING TECHNIQUE (Continued)
VEG. ANALYSIS

22. B. Plotless Sampling Technique
B.1. BITTERLICH METHOD
66 CM
2 CM
Bitterlich Stick
VEG. ANALYSIS

23. B.1. Bitterlich Method (Continued)
Tally Sheet of Bitterlich Method
Species
Sampling Points
Total
Average
Basal Area 1 2 3
... n
VEG. ANALYSIS

24. B.1. Bitterlich Method (Continued)
DATA ANALYSIS
BA = x 2,3 (m2/ha) N n
BA = BASAL AREA; 2.3 = BITTERLICH STICK FACTOR
VEG. ANALYSIS

25. B.2. Point Quarter Method d3 d1 d2 d4
VEG. ANALYSIS

26. B.2. Point Quarter Method (Continued)
TALLY SHEET OF POINT QUARTER METHOD
Sampling Point
Species
Quadrat 1
Quadrat 2
Quadrat 3
Quadrat 4
D (cm)
H (m)
d (m)
VEG. ANALYSIS

27. B.2. Point Quarter Method (Continued)
Data Analysis
Total density of all species =
Unit area
(mean point-to-plant distance)2
Relative Density =
Individuals of a species
Total individuals of all species
X 100
Density =
Relative density of a species
100
X total density of all species
Dominance = density of species X average dominance value for species
Relative Dominance =
Dominance for a species
Total dominance for all species
X 100
VEG. ANALYSIS

28. B.2. Point Quarter Method (Continued)
Data Analysis (Continued)
Frequency =
Number of points at which species occurs
Total number of points sampled
Relative Frequency =
Frequncy value for a species
Total of frequency values for all species
X 100
Importance Value = relative density + relative dominance + relative frequncy
VEG. ANALYSIS

29. B.3. Ramdom Pairs Method Individual nearest to point Measured distance90
Random
point
Nearest neighbor
in opposite 180o sector
VEG. ANALYSIS

30. B.3. Ramdom Pairs Method (Continued)
Sampling Points
Species D
(cm) H
(m) d
VEG. ANALYSIS

31. B.3. Ramdom Pairs Method (Continued)
DATA ANALYSIS
Total density of all species =
Unit area
(0.80 X mean point-to-plant distance)2
Absolute and relative values for density, dominance, and frequency and the importance value may be determined by the formulas previously given for the point-quarter method
VEG. ANALYSIS

32. B.4. Line Intercept Method
50 – 100 kaki ( 1 kaki = 30,48 cm)
Pita Ukur
x m
x m
x m
x m
TALLY SHEET OF LINE INTERCEPT METHOD
Species
Interval 1 2 3
.... N
VEG. ANALYSIS

33. B.4. Line Intercept Method (Continued)
DATA ANALYSIS
Relative density =
Total individuals of a species
Total individuals of all species
X 100
Dominance or cover
(as % of ground surface)
Total of intercept lengths for a species
Total transect lenght
X 100 =
Relative dominance =
Total of intercept lengths for a species
Total of intercept lenghts for all species
X 100
VEG. ANALYSIS

34. B.4. Line Intercept Method (Continued)
DATA ANALYSIS
Frequency =
Intervals in which species occurs
Total number of transect intervals
X 100
Relative frequency =
Frequency value for a species
Total of frequrncy values for all species
X 100
Importance Value = relative density + relative dominance + relative frequncy
VEG. ANALYSIS

35. B.5. Point Intercept Method
kawat
110 cm
10 cm
10 cm
VEG. ANALYSIS

36. B.5. Point Intercept Method (Continued)
TALLY SHEET OF POINT INTERCEPT METHOD
Species
Random Point Intercept 1 2 3
.... N
VEG. ANALYSIS

37. B.2. Point Intercept Method (Continued)
Data Analysis
Number of point intercept for a species
Total of point intercept for all species
Dominance =
X 100
Dominance values of a species
Dominance values of all species
Relative Dominance =
X 100
Absolute and relative values for density, and frequency and the importance value may be determined by the formulas previously given for the quadrat sampling technique
VEG. ANALYSIS

38. thank you
VEG. ANALYSIS