perhitungan Kelimpahan Burung

Sabtu, 26 November 2011


PERHITUNGAN

Kelimpahan Burung (Van Balen, 1984)

Pi=
Pi seriti =  = 0,658
Pi gereja =
Pi Puter
Pi kutilang = =0,013
Pi raja udang =

Keanekaragaman Jenis Burung (Odum, 1971)

H’= -∑ Pi ln Pi
H’= -∑ ((0,658 ln 0,658)+(0,291 ln 0,291)+(0,025 ln 0,025)+(0,013 ln 0,013)+(0,013 ln 0,013)
= -∑ ((-0,275)+(-0,359)+(-0,056)+(-0,092)+(-0,092)
= 0,782

E=
Plot A
E seriti == 0,5
E gereja =  =0,25

Plot B
E seriti =  =0,586
E gereja =  = 0,345
E raja udang = = 0,034
E kutilang =  = 0,034

Plot C
E seriti =  =0,429
E gereja =  = 0,143
E puter =  =0,286

Plot D
E seriti =  = 1

Plot E
E gereja =  =0,625
E seriti =  = 0,375

Frekuensi (F)
F =
F seriti =  = 1
F gereja  =  = 0,8
F kutilang =  =0,2
F puter =  = 0,2
F raja udang =  = 0,2
∑F = 1+0,8+0,2+0,2+0,2 = 2,4

FR =
FR seriti =
FR gereja =x100%= 33,33%
FR puter =
FR kutilang =
FR raja udang =
∑FR = 41, 67%+33,33%+8,33%+8,33%+8,33% = 99,99%

Dominansi atau kerapatan burung

Dominansi =
D seriti =  =0,013
D gereja =  = 0,006
D puter =  = 0,001
D kutilang =  = 0,0003
D raja udang =   = 0,0003
∑D = 0,013 + 0,006 + 0,001 + 0,0003 +0,0003 = 0,021

DR = x 100%
DR seriti =  = 61,9%
DR gereja =  =28,57%
DR puter =   x 100% = 4,76%
DR kutilang = 
DR raja udang =
∑DR = 61,9% + 28,57%+ 4,76% + 1,43% + 1,43% = 98,09%

Similarity Index Sorensen

IS =
IS =  = 2



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