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13. Nile Perch Population Dynamics in Lake Victoria:
0)+(IF «.3*Fishwt[ll]»Fishwt[l7]) THEN (NP_mass[l7 ])
ELSE 0)+(IF«.3 *Fishwt[ll]»Fishwt[l8]) THEN
(NP_mass[l8]) ELSE 0)+(IF«.3*Fishwt[ll]»Fishwt[l9])
THEN (NP_mass[l9]) ELSE
0)+(IF«.3*Fishwt[ll]»Fishwt[20]) THEN (NP_mass[20])
ELSE 0) {quantity of biomass which is susceptible to
cannibalism}
sus_mass [l2] = (IF« .3*Fishwt[l2]»Fishwt[ l3]) THEN
(NP_mass[l3]) ELSE 0)+(IF«.3*Fishwt[l2]»Fishwt[l4])
THEN (NP_mass[l4]) ELSE
0)+(IF«.3*Fishwt[l2]»Fishwt[l5]) THEN (NP_mass[l5])
ELSE 0 ) + ( I F « . 3 *Fi s hwt [ l 2 ] » Fi s hwt [ l 6 ] ) THEN
(NP_mass[l6]) ELSE 0)+(IF«.3*Fishwt[l2]»Fishwt[l7])
THEN (NP_mass[l7]) ELSE
0)+(IF«.3*Fishwt[l2]»Fishwt[l8]) THEN (NP_mass[l8])
ELSE 0)+(IF«.3*Fishwt[l2]»Fishwt[l9]) THEN
(NP_mass[l9]) ELSE 0)+(IF«.3*Fishwt[l2]»Fishwt[20])
THEN (NP_mass[20]) ELSE 0) {quantity of biomass which is
susceptible to cannibalism}
sus_mass [l3] = (IF« .3 *Fishwt[l3]»Fishwt[l4]) THEN
(NP_mass[l4] ) ELSE 0)+(IF«.3*Fishwt[l3]»Fishwt[l5])
THEN (NP_mass[l5]) ELSE
0)+(IF « .3 *Fishwt[l3]»Fishwt[l6]) THEN (NP_ ma s s [ l 6 ] )
ELSE O)+(IF «. 3 *F ishwt [13]»Fishwt[17]) THEN
(NP_mass[l7]) ELSE 0)+(IF«.3*Fishwt[l3]»Fishwt[l8])
THEN (NP_mass[l8]) ELSE
0)+(IF«.3*Fishwt[l3]»Fishwt[l9]) THEN (NP_mass[l9])
ELSE 0)+(IF«.3*Fishwt[l3]»Fishwt[20]) THEN
(NP_mass[20]) ELSE 0) {quantity of biomass which is
susceptible to cannibalism}
sus_mass [l4] = (IF«.3*Fishwt[l4]»Fishwt[l5]) THEN
(NP_mass[l5]) ELSE 0)+(IF«.3*Fishwt[l4]»Fishwt[l6])
THEN (NP_mass[l6]) ELSE
0)+(IF«.3*Fishwt[l4]»Fishwt[l7]) THEN (NP_mass[l7])
ELSE 0)+(IF«.3*Fishwt[l4]»Fishwt[l8]) THEN
(NP_mass[l8]) ELSE 0)+(IF«.3*Fishwt[l4]»Fishwt[l9])
THEN (NP_mass[l9]) ELSE
0)+(IF«.3*Fishwt[l4]»Fishwt[20]) THEN (NP_mass[20])
ELSE 0) {quantity of biomass which is susceptible to
cannibalism}
sus_mass [l5] = (IF«.3 *Fishwt[l5]»Fishwt[l6]) THEN
(NP_mass[l6]) ELSE 0)+(IF« .3*Fishwt[l5]»Fishwt[l7])
THEN (NP_mass[l7]) ELSE