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IN SITU STUDY OF RESPIRATION AND EXCRETION OF THE MANILA CLAM RUDITAPES PHILIPPINARUM IN THE JIAOZHOU BAY

Xiao Wang

Open publisher page 2 citations

Abstract

Respiration and excretion of the Manila clam Ruditapes philippinarum were measured in situ in February,May,August,and November,2006 in the Jiaozhou Bay.The highest rates of oxygen consumption(RO) and ammonia and phosphorus excretion(RN,RP) were found during spring or summer(May and August),and the lowest values were obtained in February and November.Furthermore,RO,RN,RP showed significant positive relationship with clam size.The allometric relationship between RO,RN,RP and dry tissue weight(DW) were established using the formula:Rx = a×DWb.As an important benthic cultured species in the Jiaozhou Bay,R.philippinarum in large-scale aquaculture may play an important role in nutrient cycling and energy flow in the Jiaozhou Bay ecosystem.

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What this paper is about

Respiration and excretion of the Manila clam Ruditapes philippinarum were measured in situ in February,May,August,and November,2006 in the Jiaozhou Bay.The highest rates of oxygen consumption(RO) and ammonia and phosphorus excretion(RN,RP) were found during spring or summer(May and August),and the lowest values were obtained in February and November.Furthermore,RO,RN,RP showed significant positive relationship with clam size.The allometric relationship between RO,RN,RP and dry tissue weight(DW) were established using the formula:Rx = a×DWb.As an important benthic cultured species in the Jiaozhou Bay,R.philippinarum in large-scale aquaculture may play an important role in nutrient cycling and energy flow in the Jiaozhou Bay ecosystem.

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Available abstract

Respiration and excretion of the Manila clam Ruditapes philippinarum were measured in situ in February,May,August,and November,2006 in the Jiaozhou Bay.The highest rates of oxygen consumption(RO) and ammonia and phosphorus excretion(RN,RP) were found during spring or summer(May and August),and the lowest values were obtained in February and November.Furthermore,RO,RN,RP showed significant positive relationship with clam size.The allometric relationship between RO,RN,RP and dry tissue weight(DW) were established using the formula:Rx = a×DWb.As an important benthic cultured species in the Jiaozhou Bay,R.philippinarum in large-scale aquaculture may play an important role in nutrient cycling and energy flow in the Jiaozhou Bay ecosystem.

Key concepts: Ruditapes, Bay, Benthic zone, Respiration, Excretion, Aquaculture, Fishery, Estuary

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IN SITU STUDY OF RESPIRATION AND EXCRETION OF THE MANILA CLAM RUDITAPES PHILIPPINARUM IN THE JIAOZHOU BAY — Research Paper | ScholarLens