Age and Growth of Cyprinus carpio Linnaes in Upstream Reservoirs in Tarim River Basin

【Objective】 To research the age and growth of Cyprinus carpio Linnaes in upstream reservoirs in Tarim River Basin. 【Method】 From 2015 to 2016, through sampling observation, the age of Cyprinus Carpio Linnaes in upstream reservoirs in Tarim River Basin was determined and the growth characteristics was analyzed by traditional biological measurements. 【Result】 The average age of Cyprinus carpio Linnaes in upstream reservoirs in Tarim River Basin was 2.80±0.286⁺, whose structure did not conform to positive distribution; The dominant individual age was 1+; The correlation equation between body length and body weight was W=0.087,2 L^2.506(R²=0.878); The relationship of body length and intestinal length was L_I=3.091,3 L-50.588(R²=0.795 5). The progressive length was L∞=69.57 cm, and the coefficient of growth was k=0.12, W∞=3,610.79 g, t₀=－0.65, t_i=1.65⁺; The relationship of progressive length and weight growth of the population was L_t = 69.58 (1-e^{-0.12 (t + 0.65)} ) , W_t = 3,610.79 (1-e^{-0.12 (t + 0.65))2.506}. The maturity coefficient and fullness of the population was GSI＝(12.38±1.69), K=(2.851,8±0.210,8). 【Conclusion】 Cyprinus carpio Linnaes in the upstream reservoirs, which belongs to allometric growth, has strong adaptability and unstable growth characters. It plays a certain role in population dynamics and fishery ecological balance.