Compound dichasium

A terminal old flower develops lateral simple dichasial cymes on both sides.

Simple dichasium is called cymule

Ex: catchfly, or campion, Silene; 

Caryophyllaceae

TLS Online TPP Program

#Id: 1974

#XL - T Zoology

Quadrate method

TLS Online TPP Program

#Id: 1975

#XL - T Zoology

If this ratio R is equal to 1, then the population is randomly dispersed.

If R is significantly greater than 1, the population is evenly dispersed

If R is significantly less than 1, the population is clumped

TLS Online TPP Program

#Id: 1976

#XL - T Zoology

Abundance- Its size—the total number of individuals in the population that exist with in a defined area.

TLS Online TPP Program

#Id: 1977

#XL - T Zoology

Population density is the number of individuals per unit area. D=N/S  

TLS Online TPP Program

#Id: 1978

#XL - T Zoology

Crude density-Total number of individual divided by total area.

TLS Online TPP Program

#Id: 1979

#XL - T Zoology

Ecological density- Total number of individual divided by total useable area.