= Ni[Regioll_I] /N_millus_N4
= Ni[Regioll_2] /N_millus_N4
Ni[Regioll_3] /N_millus_N4
0*Ni[Regioll_4]*N_milluS_N4
Di[Regioll_I]*E
6.3. Fishery Reserve
115
INFLOWS :
E_DOT = ALPHA*(P*V*E*N_millus_N4-J*E)
Ni[Regioll] (t) = Ni[Regioll] (t-dt) + (M[Regioll] +
Ni_DOT[Regioll]) * dt
INIT Ni[Regioll] = 5000
INFLOWS:
M[Regioll_l] =
Ni[Regioll_2]*Mi[Regioll_2]*RAND[P21] /RAND_N2
+ Ni[Regioll_3]*Mi[Regioll_3]*RAND[P31] /RAND_N3
+ Ni[Regioll_4]*Mi[Regioll_4]*RAND[P41] /RAND_N4
- Ni[Regioll_l] *Mi[Regioll_l] *RAND[PI2] /RAND_NI
- Ni[Regioll_l] *Mi[Regioll_l] *RAND[PI3] /RAND_NI
- Ni[Regioll_l] *Mi[Regioll_l] *RAND[PI4] /RAND_NI
M[Regioll_2] =
Ni[Region_I]*Mi[Region_I]*RAND[PI2] /RAND_NI
+ Ni[Region_3]*Mi[Region_3]*RAND[P32] /RAND_N3
+ Ni[Region_4]*Mi[Regioll_4]*RAND[P42] /RAND_N4
- Ni[Region_2] *Mi[Regioll_2] *RAND[P21] /RAND_N2
- Ni[Region_2] *Mi[Region_2] *RAND[P23] /RAND_N2
- Ni[Region_2]*Mi[Region_2]*RAND[P24] /RAND_N2
M[Region_3] =
Ni[Region_I]*Mi[Region_I]*RAND[PI3] /RAND_NI
+ Ni[Region_2]*Mi[Region_2]*RAND[P23] /RAND_N2
+ Ni[Regioll_4] *Mi[Region_4] *RAND[P43] /RAND_N4
- Ni[Region_3] *Mi[Region_3] *RAND[P31] /RAND_N3
- Ni[Region_3] *Mi[Region_3] *RAND[P32] /RAND_N3
- Ni[Region_3] *Mi[Region_3] *RAND[P34] /RAND_N3
M[Region_4] =
Ni[Region_l] *Mi[Region_l] *RAND[P14] /RAND_Nl
+ Ni[Regioll_2] *Mi[Region_2] *RAND[P24] /RAND_N2
+ Ni[Region_3] *Mi[Region_3] *RAND[P34] /RAND_N3
- Ni[Region_4] *Mi[Region_4] *RAND[P41] /RAND_N4
- Ni[Region_4] *Mi[Region_4] *RAND[P42] /RAND_N4
- Ni[Region_4] *Mi[Region_4] *RAND[P43] /RAND_N4
Ni_DOT[Region] = Ri[Region]*Ni[Region]*(INi[Region] /Ki[Region])-V*Ei[Region]*Ni[Region]
ALPHA = . 8
Di [Region_I]
Di[Region_2]
Di[Regioll_3]
Di[Region_4]
Ei[Region_l]