A STUDY ON THE AGE AND GROWTH OF SILVER CARP HYPOPHTHALMICHTHYS MOLITPIX (CUVIER ET VALENCIENNES) AND BIGHEAD ARISTICHTHYS NOBILIS (RICHARDSON) IN HEI MU MAN RESERVOIR AND THEIR RATIONAL STOCKING

• 黑屋湾水库鲢鳙鱼的生长及其合理放养的研究