Abstract
BIOCHEMICAL analysis of zooplankton at sea presents many difficulties so specimens caught during a voyage are preserved until analysis can be performed in a land-based laboratory. The literature1–3 indicates that two methods of preservation are generally used—deep-freezing3,4 and preservation in formalin1,4. Most analyses have been carried out on material preserved thus, with no direct comparison with fresh material, and so there must be some doubt as to the accuracy of the values obtained. I have investigated several different methods of preservation in order to assess their suitability for use before chemical analysis of zooplankton.
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References
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Raymont, J. E. G., Austin, J., and Linford, E., J. Cons. Intern. Explor. Mer., 28, 354 (1964).
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FUDGE, H. Biochemical Analysis of Preserved Zooplankton. Nature 219, 380–381 (1968). https://doi.org/10.1038/219380a0
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DOI: https://doi.org/10.1038/219380a0
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