Budget of organic carbon in shrimp polyculture ecosystems

LIU Guo-cai; LI De-shang; DONG Shuang-lin; CHENG Zhao-bo; LU Jing

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LIU Guo-cai, LI De-shang, DONG Shuang-lin, CHENG Zhao-bo, LU Jing. Budget of organic carbon in shrimp polyculture ecosystems[J]. Haiyang Xuebao, 2002, 24(6): 84-91.

Citation:

LIU Guo-cai, LI De-shang, DONG Shuang-lin, CHENG Zhao-bo, LU Jing. Budget of organic carbon in shrimp polyculture ecosystems[J]. Haiyang Xuebao, 2002, 24(6): 84-91.

LIU Guo-cai, LI De-shang, DONG Shuang-lin, CHENG Zhao-bo, LU Jing. Budget of organic carbon in shrimp polyculture ecosystems[J]. Haiyang Xuebao, 2002, 24(6): 84-91.

Citation:

LIU Guo-cai, LI De-shang, DONG Shuang-lin, CHENG Zhao-bo, LU Jing. Budget of organic carbon in shrimp polyculture ecosystems[J]. Haiyang Xuebao, 2002, 24(6): 84-91.

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Budget of organic carbon in shrimp polyculture ecosystems

Received Date: 1998-12-20
Rev Recd Date: 1999-12-26

Abstract

Abstract

The organic carbon budget of shrimp polyculture ecosystems is studied with five experimental enclosures. The results show that:(1)The total income of organic carbon fluctuated between 4 847.46 and 6 154.67 g, averaging 5 646.94g.The average ratio of this income to its components(total organic carbon income:phytoplankton production:periphyte production:feed casted)is 1:0.73:0.11:0.16.(2)The total outcome of organic carbon fluctuated between 3 310.28 and 3 974.79 g,averaging(3 644.21±281.44)g.The average ratio of this outcome to its components(total organic carbon outcome to plankton community respiration to per iphyton respiration to benthal respiration to cultured animal production to cultured animal respiration)is 1:0.53:0.19:0.15:0.04:0.09.(3)The organic carbon accumulation fluctuated between 1 383.61 and 2 707.47 g,averaging(2 002.73±546.76)g perenclosure,which is 26%~44% of the total income of organic carbon.The sequence of the enclosures in organic carbon accumulation is Y5(Penaeus chinensis-Argoprcten irradians)greater than Y7 (Penaeus chinensis-O.niloticus)greater than Y4(O.mossambicus)g reater than Y4(Penaeus chinensis)greater t han Y5(Chinensis chinensis-O.niloticus-O.mossambicus-Sinonovacula constricta)greater than Y6 (Penaeus chinensis-Sinonovacula constricta).(4)The average transformation rate of organic carbon income to Penaeus chinensis is(1.77±0.62)%(Y6>T5>Y4>Y5>Y7),and that to total cultured animals is(2.18±0.79)%(T5>Y6>Y5>Y4>Y7).
- shrimp polyculture,
- organic carbon,
- budget,
- enclosure experiment

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References(8)

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