Oxygen consumption and ammonia-N excretion rates of Chlamys farreri

Abstract

Abstract: The oxygen consumption and ammonia-Nexcretion rates of Chlamys farreri were studied from April to June,1999. The results showed that the oxygen consumption and ammonia-Nexcretion rates of Chlamys farreri were positively correlated with water temperature,and negatively correlated with its body weight under appropriate temperature conditions. Under the test temperature (8～28 ℃),the oxygen consumption rate ranged from 0.48 to 9.09 mg·g^-1·h^-1, and the ammonia-Nexcretion rate ranged from 0.05 to 1.01 mg·g^-1 ·h^-1. With the raising water temperature, the oxygen consumption rate reached peak value at 23 ℃,and began to decrease at 28 ℃. The ammonia-Nexcretion rate continuously increased from 8 to 28 ℃. The routine metabolism of Chlamys farreri under treatment was obvious higher than the standard metabolism,and the oxygen consumption and ammonia-Nexcretion rates increased by 35.8% and 75.9%,respectively.

CLC Number:

Q178.53

WANG Jun, JIANG Zuhui, TANG Qisheng . Oxygen consumption and ammonia-N excretion rates of Chlamys farreri[J]. Chinese Journal of Applied Ecology, 2002, (9): 1157-1160.

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