Table 2. Summary of the dynamics between age classes and turtle production in a conceptual model of freshwater turtle farming.

System of Interest	Conceptual Formula/Equation
Female hatchlings added to the green-house F 0(t)	IF (SR(t) ≤ SRo) THEN (F 6(t) * BR * ADJ * (1 − h H)) $\mathrm{ELSE}(\frac{1}{{\mathrm{SR}}_{\mathrm{o}}}*\mathrm{SR}(\mathrm{t})*F_6(\mathrm{t})*\mathrm{BR}*\mathrm{ADJ}*(1-h_H\left)\right)$
Female hatchling harvest H(t)	$F_0\left(\mathrm{t}\right)*h_H*\left(\frac{1}{{1-\mathrm{h}}_{\mathrm{H}}}\right)$
Male hatchlings added to the green-house M 0(t)	IF (SR(t) ≤ SRo) THEN (F 6(t) * BR * (1 − ADJ)) $\mathrm{ELSE}(\frac{1}{{\mathrm{SR}}_{\mathrm{o}}}*\mathrm{SR}(\mathrm{t})*F_6(\mathrm{t})*\mathrm{BR}*(1-\mathrm{ADJ}\left)\right)$
Female head-starts added to the stock g F(t)	IF(totalF(t − 1) ≥ maxF)THEN (0)ELSE IF (F 1(t − 1) * (1 − m Y)) ≥ (maxF − totalF(t − 1)) THEN (maxF − totalF(t − 1)) ELSE (F 1(t − 1) * (1 − m Y)))
Male head-starts added to the stock g M(t)	IF(totalM(t − 1) ≥ maxM)THEN (0)ELSE IF (M 1(t − 1) * (1 − m Y)) ≥ (maxM − totalM(t − 1)) THEN (maxM − totalM(t − 1)) ELSE (M 1(t − 1) * (1 − m Y)))
Female yearling harvest h F1(t)	F 1(t) − m Y − g F (t)
Male yearling harvest h M1(t)	M 1(t) − m Y − g M (t)
Female stock growth F i(t) (i = 3–6)	F i−1(t − 1) * s
Male stock growth M i(t) (i = 3–5)	M i−1(t − 1) * s
Adult harvest A F and A M	F 6 * h A and M 5 * h A