000

1. Topic
Ecological Characteristics of Plant
Community

2. The attributes of a community are classified into
three main groups
A.Analytic characteristics
B.Synthetic Characteristics
C.Physiogonomic Characteristics

3. A.Analytical Characteristics
The characteristics which can be
analyzed by Qualitative or Quantitive methods.
Qualitative Method
The characteristics which cannot be
measured.
Quantitative Method
The characteristics which can be
measured.

4. Qualitative Characteristics
i. Kind of species
ii. Stratification
(a)Overstory tree
(b)Crown
(c)Herbaceous plants
(d)Mosses and lichens
iii.Peridicity
iv.Vitality
v.Sociability

5. Quantitative Characteristics
i.Density
ii.Relative Density
iii.Abundance
iv.Cover
v.Relative cover
vi.Frequency
vii.Relative frequency

6. Synthetic Characteristics
i. Presence
ii. Constancy
iii. Fidelity
iv. Dominance

7. Physiological Characteristics
Physiogonomy
Pattern
Life-Form
(a)Phanerophytes:include woody tree and shrub
(b)Chamaeophytes:Inculde woody and semi-wood
(c)Hemi-cryptophytes:perennating bud are half
hidden in the surface of earth
Cryptophytes:Bud in soil or under water.e.g
Hydrilla
Therophytes:Annual plants,bud in plant seed