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(PERTUMBUHAN IKAN)
SENIN, 26 MARET 2018
JURUSAN PERIKANAN
FAKULTAS ILMU KELAUTAN DAN PERIKANAN
UNIVERSITAS HASANUDDIN
MAKASSAR
Apa yang dimaksud dengan Pertumbuhan ??
Pertumbuhan didefinisikan sebagai pertambahan ukuran
ikan berupa panjang atau berat maupun volume seiring
dengan berubahnya waktu.
Definisi :
Faktor yang mempengaruhi pertumbuhan ikan yaitu :
1. Faktor internal : genetik, hormon, umur,
kemampuan dalam memanfaatkan makanan dan
ketahanan terhadap penyakit
2.Faktor eksternal : sifat fisika dan kimia air, ruang
gerak dan ketersediaan makanan dari segi kualitas
dan kuantitas.
Cohort Kisaran Panjang rata-rata
I 123,0 – 143,3 132,2892
II 153,4 – 168,8 154,8684
III 168,9 – 187,5 177,4808
Cohort Kisaran Panjang rata-rata
I 132,2892 154,8684
II 154,8684 177,4808
III 177,4808 -
tn to K L∞
X Exp (x) Lt
4.0059 4.0059 0.0648 322.3317 0 1 0
5 4.0059 0.0648 322.3317 -0.0644 0.9376 20.1092
Lt = L∞ (1 − 𝑒−𝑘(𝑡𝑛 𝑖−𝑡0))
Example :
a = 22,3847
b = 1.0015 Hitung nilai Ln b
k = (
−1
1
) Ln b Hitung nilai Log K
L∞ =
a
1−b
Hitung nilai Log L∞
Log t0 = − 0,3922 − (0,2572 x Log L∞ ) − (1,038 x Log k)
t0 = anti log. Log t0
Lt = L∞ (1 − 𝑒−𝑘(𝑡𝑛 𝑖−𝑡0)
)
-k (tni - t0) = x
Maka :
Lt = L∞ (1 − 𝑒 𝑥
)
Pertumbuhan dinamika populasi - Prof Nanit

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Pertumbuhan dinamika populasi - Prof Nanit

  • 1. (PERTUMBUHAN IKAN) SENIN, 26 MARET 2018 JURUSAN PERIKANAN FAKULTAS ILMU KELAUTAN DAN PERIKANAN UNIVERSITAS HASANUDDIN MAKASSAR
  • 2. Apa yang dimaksud dengan Pertumbuhan ?? Pertumbuhan didefinisikan sebagai pertambahan ukuran ikan berupa panjang atau berat maupun volume seiring dengan berubahnya waktu. Definisi :
  • 3. Faktor yang mempengaruhi pertumbuhan ikan yaitu : 1. Faktor internal : genetik, hormon, umur, kemampuan dalam memanfaatkan makanan dan ketahanan terhadap penyakit 2.Faktor eksternal : sifat fisika dan kimia air, ruang gerak dan ketersediaan makanan dari segi kualitas dan kuantitas.
  • 4. Cohort Kisaran Panjang rata-rata I 123,0 – 143,3 132,2892 II 153,4 – 168,8 154,8684 III 168,9 – 187,5 177,4808 Cohort Kisaran Panjang rata-rata I 132,2892 154,8684 II 154,8684 177,4808 III 177,4808 -
  • 5. tn to K L∞ X Exp (x) Lt 4.0059 4.0059 0.0648 322.3317 0 1 0 5 4.0059 0.0648 322.3317 -0.0644 0.9376 20.1092 Lt = L∞ (1 − 𝑒−𝑘(𝑡𝑛 𝑖−𝑡0))
  • 6. Example : a = 22,3847 b = 1.0015 Hitung nilai Ln b k = ( −1 1 ) Ln b Hitung nilai Log K L∞ = a 1−b Hitung nilai Log L∞ Log t0 = − 0,3922 − (0,2572 x Log L∞ ) − (1,038 x Log k) t0 = anti log. Log t0
  • 7. Lt = L∞ (1 − 𝑒−𝑘(𝑡𝑛 𝑖−𝑡0) ) -k (tni - t0) = x Maka : Lt = L∞ (1 − 𝑒 𝑥 )