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Causes of variation in the haemoglobin content of Daphnia (Crustacea: Cladocera) in nature
Author(s) -
Chandler Ann
Publication year - 1954
Publication title -
proceedings of the zoological society of london
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.915
H-Index - 96
eISSN - 1469-7998
pISSN - 0370-2774
DOI - 10.1111/j.1469-7998.1954.tb07803.x
Subject(s) - daphnia , cladocera , crustacean , branchiopoda , biology , ecology , water body , zoology , environmental science , environmental engineering
S ummary.1 The haemoglobin content of Daphnia in the ponds studied was found to vary inversely with the oxygen concentration in the water, but not to be proportional to the iron content of the water. 2 In six ponds Daphnia was found to have a greater haemoglobin concentration in winter than in summer, whereas in one body of water the haemoglobin concentration was greater in summer than in winter. 3 Haemoglobin may be more concentrated in the blood of one pond‐dwelling species of Daphnia than of another species in the same water.