b. Stasiun II Daerah Keramba
No Length L
Weight W Log L
Log W Log LLog W
Log L
2
1 13.8
55
1.1398791 1.7403627
1.983803033 1.299324332
2 9.8
31.7 0.9912261
1.5010593 1.487889082
0.982529133 3
14 64.6
1.146128 1.8102325
2.07475824 1.313609474
4 12
39.9 1.0791812
1.6009729 1.727739924
1.164632162 5
12 45.5
1.0791812 1.6580114
1.789294805 1.164632162
6 11.5
30.7 1.0606978
1.4871384 1.577404463
1.125079909 7
12.2 40.4
1.0863598 1.6063814
1.745108188 1.180177682
8 10.4
25.1 1.0170333
1.3996737 1.423514839
1.034356813 9
10.5 27.2
1.0211893 1.4345689
1.464966414 1.042827585
10 13.8
52.6 1.1398791
1.7209857 1.961715658
1.299324332 11
12.8 49.6
1.10721 1.6954817
1.877254216 1.225913917
12 10
20.2 1
1.3053514 1.305351369
1 13
13.6 49.8
1.1335389 1.6972293
1.923875496 1.284910457
14 9.8
18.7 0.9912261
1.2718416 1.260682565
0.982529133 15
12.8 43
1.10721 1.6334685
1.808592559 1.225913917
16 10.4
25.1 1.0170333
1.3996737 1.423514839
1.034356813 17
9.8 22.3
0.9912261 1.3483049
1.336474938 0.982529133
18 10.6
29.3 1.0253059
1.4668676 1.503987975
1.051252117 19
9.6 17.6
0.9822712 1.2455127
1.223431264 0.964856775
20 11.4
28.8 1.0569049
1.4593925 1.542439
1.117047865 21
12 42
1.0791812 1.6232493
1.751780192 1.164632162
22 10.6
27.7 1.0253059
1.4424798 1.478982968
1.051252117 23
13.6 49.1
1.1335389 1.6910815
1.916906669 1.284910457
24 8
14.8 0.90309
1.1702617 1.056851637
0.815571525 25
8.8 19.1
0.9444827 1.2810334
1.209913818 0.892047518
26 8.8
19.9 0.9444827
1.2988531 1.226744224
0.892047518 27
5.8 4.7
0.763428 0.6720979
0.513098319 0.582822301
28 8.6
15.6 0.9344985
1.1931246 1.114973089
0.873287355 29
11 26
1.0413927 1.4149733
1.473542894 1.084498725
Total
29.94208 42.26967
44.18459268 31.11687339
Universitas Sumatera Utara
c. Stasiun III Daerah Pemukiman
No Length L
Weigth W Log L
Log w Log LLog W
Log L2
1 11.6
28
1.064458 1.447158
1.540438928 1.1330708
2 15.8
90.6 1.1986571
1.9571282 2.345925584
1.4367788 3
14.6 74.6
1.1643529 1.8727388
2.180528802 1.3557176
4 15.8
101 1.1986571
2.0043214 2.402494019
1.4367788 5
15 85.6
1.1760913 1.9324738
2.272765503 1.3831906
6 15.2
81.9 1.1818436
1.9132839 2.261202311
1.3967543 7
13.6 61
1.1335389 1.7853298
2.023740832 1.2849105
8 14
56.8 1.146128
1.7543483 2.010707812
1.3136095 9
16.4 97.8
1.2148438 1.9903389
2.417950913 1.4758456
Total
10.47857 16.65712
19.45575471 12.21666
Universitas Sumatera Utara
Lampiran 5. Contoh Perhitungan a. Kepadatan Lobster Air Tawar Cherax quadricarinatus
KP =
bubu Luas
ulangan spesies
suatu individu
Jumlah
=
=
0,010 indm
2
b. Frekuensi Kehadiran Lobster Air Tawar Cherax quadricarinatus
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