Thực hành phần mềm LFDA
Trang 1THUG HANH PHAN MEM LFDA (ength sequency sata -nalysis )
zis) ee) puressle) cells Weise) i plelelay keen
Trang 2Chivong tinh LEDA duoc
chay dura tren) bo dw lieu ve fan Suat Chieu dai
Trang 3Gâ ‡ bài:
OMe Nie an ee
“* Thu mau cá theo từng đợi (tháng) > Do moi ca
the cho timng, dot thu (100-300 ca the)
“Sap xep cac dir liéu ve tan suat chiéu dai theo thir
tr tir nho den lon (dung Excell dé tinh toan dir lieu TSC: ham Count = Excel)
Trang 4
s Để nhap dir lieu vaò LFIDA, lần lướt như: sau:
+ Nhan dƯ liệU I.SCD VAO EXcel( -.-)
+ Save lai G' dang Next (MS-DOS)
+ Khoi dong LFDA, vao File/ Open, Chon ten file
Trang 5
Bar 2) Si dung bo dir lem man (UMOR) ỨC
lirong cac tham so tang trong (Ik, 1109, to)
L,=' (l-e ©”)
Các bước tiền hành:
Vao thanh cong cus Fit / Score Function Grid:
(Hai đạng đường cøng - )
2 lim
Trang 6đdược -NOL DUNG THUG HANH
Results Plot Grid Data
Method: ELEFAN
Growth Curve: Non Seasonal
Grid Type: K vs Lint
Ranges: K:0.7-1 Link60- 100
Evaluations: K: 30 Link: 30
Max Score: 0.37? at K=0.92 Linf=88.28
Tzero: -0.820 Fixed Params: None
Maximisation:
score = 0.39087 72 at K=0.047 Linf=91.225
T zero=-0.840
9)
=
Growth Curve = Non Seasonal Linf = 91.22 K = 0.85 Tzero = -0.84
4 nell
& 50 - ` h
3 30+
4 —_——
0 ¥ T T T
Sample Timing
~CcCore Goliid
98
Đó
94
92
—
=
K
Trang 7
Bai 3; Dira theo cac tham so 124112 1/0/7112 (1S) F2)
oe lrong mure chet Z (1| diem)
Co ba phucng phap:
+ PHưƯƠng pDHấP - ‹
+ PhuGng pHäp -.' - ‹<
Trang 8Lengih
Oo a
NOL DUNG THUG HANH
Lonverted Catch Curve
0.11
0.11
0.11
0,10
0,13
0,13
0.11
0.10
0.11
MeanZ: 0,11
Std Error: 0,001
oe
=
2 18334 1.46
3 18773 154 400
* 6 178.66 1.00 "e
F 3 Ÿ# 18132 1.72 - h"
œ _ = 8 18481 1.35 $ » *
Q a4 w te, 10 17843 128 14 *
Š a $ ^^ + ` > = * + 4 sạ- `
Relative Age Mean Z/K: 1.35 Std Enror: 0.023 Length Class
@ Included in Excluded from @ Included in Regressi Excluded from Regressi
Regression Regression we we
ov | Ih =, | Selp
Bev-Holt 2
Linf {185000 3 0121
Le [92.500 5 0.165
Close | Mean Z: 0,128