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The relationship between length, mass and preservation time for three species of freshwater leeches (Hirudinea)

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Abstract:

We present body length to wet mass, dry mass and ash-free dry mass equations for three common species of Northern European leeches. We quantified the effects of preservation in alcohol on specimens of these species and found important reductions in both body length and wet mass. However, effects on length-mass relationships were minimal. We found no clear pattern across species between the rates of loss of length and mass and either water or inorganic content, though larger specimens of all three species were less affected by these losses. We recommend specimens are preserved in alcohol for a least a month for the rate of loss to stabilise.

Keywords: ASH FREE DRY MASS; BIOMASS; DRY MASS; ERPOBDELLA OCTOCULATA L; GLOSSIPHONIA COMPLANATA L; HELOBDELLA STAGNALIS L; HIRUDINEA; LENGTH-MASS RELATIONSHIPS; PRESERVATION

Document Type: Research Article

DOI: https://doi.org/10.1127/1863-9135/2009/0173-0321

Publication date: 2009-01-01

More about this publication?
  • Fundamental and Applied Limnology is an international journal for freshwater research in the widest sense, including problems of marine biology and brackish water research. Papers dealing with ecological topics are especially welcome in association with experimental or physiological studies. All papers published in this journal are subject to peer review.

    Archiv für Hydrobiologie, now Fundamental and Applied Limnology has been published continuously since 1906.

    Volumes prior to vol. 168 were published under the previous title Archiv für Hydrobiologie.
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